CN109333036A - A kind of pin pulling device - Google Patents
A kind of pin pulling device Download PDFInfo
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- CN109333036A CN109333036A CN201811586013.6A CN201811586013A CN109333036A CN 109333036 A CN109333036 A CN 109333036A CN 201811586013 A CN201811586013 A CN 201811586013A CN 109333036 A CN109333036 A CN 109333036A
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- axis
- bevel gear
- pin
- driving
- lifting device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
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Abstract
The invention discloses a kind of pin pulling devices, belong to field of tooling equipment.The device includes: outer housing, has a containing cavities；Lifting device comprising promote axis and lifting device, lifting device is arranged on outer housing, for driving promotion axis to move up and down；Grabbing device comprising several along promoting the grabbing claws that are arranged circumferentially of axis, grabbing claw is integrally in the shape of the letter V structure, and one end is hinged on the lower end for promoting axis, the other end is provided with inwardly protruded hook part, and hook part tilts upward setting.The present invention can be promoted by electric power or pneumatic realize, the problem of being easy to cause thread abrasion to cause device to scrap can be used for a long time to avoid the dynamic lifting of thread belt while promoting working efficiency, reduce manpower；It realizes adaptive with external force suffered by pin, avoids the problem that be easy to causeing grabbing claw to fall off with pin when the external force as suffered by pin is larger, structure is relatively simple, may be implemented directly to clamp and is promoted, and operates more convenient, it can be achieved that one man operation.
Description
Technical field
The present invention relates to field of tooling equipment, in particular to a kind of pin pulling device.
Background technique
In machinery field, pin is widely used in various molds, in equipment, can play the role of positioning or connection,
Straight pin is a kind of common pin, and multi-pass is crossed interference fit and is mounted on components, and straight pin can be divided into threaded hole
Straight pin and straight pin not with threaded hole, wherein with threaded hole straight pin can use with threaded hole be adapted spiral shell
Bolt removes, and for straight pin not with threaded hole, due to the difference of the mounting hole of straight pin, dismounting mode is also different,
On different components, since design needs the mounting hole of straight pin to have two class of through-hole and blind hole, the installation for through-hole type
For hole, punching pin can be used and go out straight pin from one end of through-hole, and for the mounting hole of blind-hole type, due to straight pin
The exposed part outside components is very short, does not exceed 5mm generally, is difficult to extract straight pin using tools such as pliers, mesh
Before, for the extraction for solving the problems, such as the straight pin in blind hole, a bolt often is welded in the exposed part of straight pin, by stirring spiral shell
Bolt pulls out straight pin, operation and its complicated, low efficiency, and can cause in the welding process to the components of installation straight pin
Certain damage.
Pin lesser for some diameters, is still removed by the way of traditional, but for some large scale equipments and greatly
Pattern tool, positioning accuracy request is high, and minor diameter pin is difficult to ensure the stability of positioning and connection, for such pin, by
It is relatively large in diameter in it, it is big with the contact area of pin hole under interference fit state, just seem particularly difficult to the dismounting of pin.
Especially to some long-time services after, pin or equipment generate corrosion, and the frictional force between pin and pin hole increases, and remove more tired
It is difficult, it is often necessary to which that pin could be removed by expending a large amount of manpower and material resources or even destructive procedure.
Application No. is 201710365256.6 patents of invention to disclose a kind of pin taking-out device, relates generally to mechanical technique
Field.Including outer housing, inner housing is equipped in the outer housing, one end of the outer housing is equipped with opens with what inner housing was adapted
Mouthful, the inner housing is equipped with support tube far from one end of opening, and the outer housing is equipped with and support tube phase far from one end of opening
The through-hole of adaptation, the support tube is interior to be equipped with screw rod, and one end of the screw rod is equipped with handwheel, and the other end is equipped with support rod, described
Support rod is equipped with supporting block, and the supporting block is equipped with articulated shaft far from the side of support rod, and the articulated shaft is equipped with first
Templin chuck, the second templin chuck, thread bush is arranged on the support tube, and the outer wall of the thread bush is equipped with cursor.
It can quickly finish the dismounting work of blind hole inside pin, easy to operate, easy to use, can be improved working efficiency, can
The components to straight pin and installation straight pin are avoided to cause to damage.
Above scheme can still be removed without generating corrosion or the lesser pin of some diameters for some, but for straight
The biggish pin of diameter drives the first wedge block so that the first templin chuck and the second wedge in pull-up by then passing through turn handwheel
Clevis head clamps pin, and clamping force is limited, and since pin is larger by the reaction force of pin hole, when pull-up easily generates pine
It is dynamic, make to fall off between the first templin chuck, the second templin chuck and pin, since pin exposed parts are shorter, can clamp
Distance is smaller, so that above scheme has generated corrosion or when some pins being relatively large in diameter in face of some, it still can not be effective
Pin is removed；In addition, due to being needed when it is lifted up by outer housing top on the support surface, just when positioning, just when positioning outside
Shell can block the first templin chuck and the second templin chuck, cause easily make the first templin chuck and the second wedge grip
Head clamps pin, if first promoting shell, again screws off outer housing after to be clamped, can be made by the way of helicitic texture lifting
Low at removal efficiency, one can not operate, and need support staff and assist, using being more troublesome.
Summary of the invention
The present invention provides a kind of pin pulling device, can solve pin pulling device in the prior art for diameter compared with
It can not effectively be removed when leading to the problem of corrosion between big pin or pin and pin hole to generate biggish resistance.
A kind of pin pulling device, comprising:
Outer housing has a containing cavities；
Lifting device comprising promote axis and lifting device, the lifting device is arranged on the outer housing, is used for band
The promotion axis is moved to move up and down；
Grabbing device comprising several grabbing claws being arranged circumferentially along the promotion axis, the grabbing claw is integrally in V
Character form structure, one end is hinged on the lower end for promoting axis, the other end is provided with inwardly protruded hook part, the hook part inclination
It sets up.
It more preferably, further include grinding attachment and inner housing, the inner housing is fixed in the outer housing, the mill
Turning device includes motor, driving bevel gear, the first connecting shaft, the second connecting shaft, promotes connecting rod, promotes splined shaft and several drivings
Ring, the hook part are provided with cutter, and the lifting device is for driving the motor to move up and down, the promotion axis transmission setting
In the output end of the motor, the center of the driving bevel gear offers driving internal spline, offered on the promotion axis with
The driving external splines that the driving internal spline matches, the driving bevel gear are rotatably arranged on the inner housing, institute
It states the first connecting shaft and second connecting shaft is rotatably arranged on the inner housing, the both ends of first connecting shaft
It is respectively arranged with the first connection bevel gear and the second connection bevel gear, the first connection bevel gear and the driving bevel gear phase
Engagement, the both ends of second connecting shaft are respectively arranged with third connection bevel gear and the 4th connection bevel gear, and described second connects
It connects bevel gear and connect bevel gear with the third and be meshed, described one end for promoting splined shaft, which is provided with, promotes bevel gear, described
It promotes bevel gear to connect bevel gear with the described 4th to be meshed, offers propulsion internal spline, the propulsion on the propulsion connecting rod
Splined shaft is matched with the propulsion internal spline, and threaded hole is offered on the side wall of the inner housing, is opened on the propulsion connecting rod
Equipped with the external screw thread closed with the corresponding threaded holes, the propulsion connecting rod and the drive ring are corresponded, the propulsion connecting rod
Far from one end ball-joint for promoting splined shaft on the drive ring, several drive rings are circumferentially equal along the promotion axis
Even distribution, the resigning sliding slot for accommodating the drive ring is offered on the grabbing claw, and the Internal periphery of the resigning sliding slot is big
In the outer profile of the drive ring, to form the activity space of drive ring, the drive ring is for driving the grabbing claw along it
It is rotated with the hinged place for promoting axis so that the grabbing claw is opposite draws close or expand.
More preferably, support arm is provided on the outer housing, is provided with lifting plate on the promotion axis, the lifting plate with
The lifting device can relatively rotate in the plane perpendicular to the axial line for promoting axis, and the two sides of the motor are provided with
Supporting slider, one end of the supporting slider is fixedly connected on the motor, the other end can be along the extension side for promoting axis
It is arranged on the support arm to sliding up and down to.
More preferably, the annular groove concentric with the promotion axis is offered on the lifting plate, the lifting device
Output end is provided with the promotion sliding block matched with the annular groove, and the promotion sliding block is slidably disposed on the annular
In sliding slot.
More preferably, the lifting device is electric telescopic rod.
More preferably, the lifting device is cylinder.
More preferably, the lower end of the driving bevel gear is provided with driving sliding block, and driving sliding slot is offered on the inner housing,
The driving sliding block is slidably disposed in the driving sliding slot.
More preferably, the cross section of the driving sliding slot and the driving sliding block is in T font.
More preferably, the lifting device is several, and several lifting devices are arranged circumferentially along the promotion axis.
More preferably, the bottom end of the grabbing claw has curved portion, the center of circle of the curved portion and grabbing claw and promotes axis
Hinged center of rotation coincides.
The present invention provides a kind of pin pulling device, and lifting device can be promoted by electric power or pneumatic realize, promotes work
It can be used for a long time while making efficiency, reduce manpower to avoid the dynamic lifting of thread belt and be easy to cause thread abrasion to cause device
The problem of scrapping；The grabbing claw of V-shaped structure cooperates inwardly protruded hook part, so that promoting generated pulling force meeting when axis rises
Inside thrust is generated to hook part, lifting force is bigger, and hook part is bigger to the clamping force of pin, realizes and external force suffered by pin
Adaptively, it avoids the problem that be easy to causeing grabbing claw to fall off with pin when the external force as suffered by pin is larger, and said effect is
It is formed by the structure of grabbing claw itself, provides auxiliary without other component, therefore structure is relatively simple, then without clamping
The operation of two steps as being promoted again may be implemented directly to clamp promotion, and operation is more convenient, and efficiency is higher, it can be achieved that single
People's operation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram one of pin pulling device provided by the invention；
Fig. 2 is partial enlarged view at A in Fig. 1；
Fig. 3 is partial enlarged view at B in Fig. 1；
Fig. 4 is the structural schematic diagram of grabbing device in Fig. 1；
Fig. 5 is partial enlarged view at C in Fig. 4；
Fig. 6 is the attachment structure schematic diagram of grabbing claw and drive ring in Fig. 4；
Fig. 7 is a kind of structural schematic diagram two of pin pulling device provided by the invention；
Fig. 8 is partial enlarged view at D in Fig. 7；
Fig. 9 is the force analysis figure of grabbing claw.
Description of symbols:
10, outer housing, 20, inner housing, 30, grinding attachment, 31, motor, 32, promotion axis, 321, driving bevel gear,
3211, internal spline is driven, 322, driving sliding block, 33, grabbing claw, 331, cutter, 332, curved portion, 333, resigning sliding slot, 34, the
One connecting shaft, the 341, first connection bevel gear, the 342, second connection bevel gear, the 35, second connecting shaft, 351, third connection cone tooth
Wheel, the 352, the 4th connection bevel gear, 36, promote bevel gear, 37, promote splined shaft, 38, promote connecting rod, 39, drive ring, 40, mention
Rise device, 41, electric telescopic rod, 42, lifting plate, 43, promotion sliding block, 44, support arm, 45, supporting slider.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection scope be not limited by the specific implementation.
Embodiment one:
As shown in Figure 1, a kind of pin pulling device provided in an embodiment of the present invention, comprising:
Outer housing 10 has the barrel shaped structure of opening in a column bottom, has a containing cavities；
Lifting device 40 comprising axis 32 and lifting device are promoted, the lifting device is arranged on the outer housing 10,
For driving the promotion axis 32 to move up and down, a reception hole is offered on outer housing 10, passes through for accommodating promotion axis 32, mentions
Rising device 40 is electric telescopic rod 41 or cylinder, and the present embodiment is by taking electric telescopic rod 41 as an example, the upper end of electric telescopic rod 41
It is connected with a lifting plate 42, promotes the connection of axis 32 on a mounting board, when electric telescopic rod 41 drives lifting plate 42 mobile, drive is mentioned
Lifting shaft 32 moves up and down；
Grabbing device comprising it is several along the grabbing claws 33 that are arranged circumferentially of promotion axis 32, the present embodiment with 6
For a grabbing claw 33, as shown in fig. 6, the grabbing claw 33 whole be in the shape of the letter V structure, including first arm of force and second arm of force,
One end of first arm of force is connected with one end of second arm of force and the two has angle, and one end is hinged on the promotion axis 32
Lower end, the other end are provided with inwardly protruded hook part, and the hook part tilts upward setting namely first arm of force far from second arm of force
End be hinged on promoted axis 32 on, end of second arm of force far from first arm of force is arranged in hook part, when 41 band of electric telescopic rod
When moving lifting plate 42 to move up, and then promotion axis 32 being driven to move up, promotes axis 32 and give the power that grabbing claw 33 is lifted up, grab at this time
Taking the suffered external force (hook part of grabbing claw 33 is resisted against on pin and not yet moves at this time) for promoting axis 32 of pawl 33 is along grabbing
The direction of first arm of force of pawl 33 is taken to extend, as shown in figure 9, external force suffered by entire grabbing claw 33 is upward, direction at this time
It promoting what 32 direction of axis extended, power F is decomposed into F1 and F2, F1 is the component in horizontal direction suffered by grabbing claw 33,
Namely grabbing claw 33 grabs the component of pin, from force analysis as can be seen that when F is bigger namely pin suffered by power it is bigger
When, F1 is also bigger, i.e. grabbing claw 33 is bigger to the grasp force of pin, can so make pin hole suffered by grasp force and pin
Frictional force is synchronised, and avoids the grasp force due to grabbing claw 33 certain, and frictional force difference suffered by different pins is to lead
It causes to be easy so that grabbing claw 33 and pin are detached from.
Embodiment two:
On the basis of example 1, as shown in figures 1 to 6, it is influenced due to certain pins by use occasion environment, is such as got rusty
Or magnitude of interference is bigger, causes the power between pin and pin hole bigger, is relied solely between grabbing claw 33 and pin at this time
Frictional force is still difficult to extract pin, therefore the present embodiment further includes grinding attachment 30 and inner housing 20, the inner housing 20
It is fixed in the outer housing 10, there is certain gap, the side of inner housing 20 between inner housing 20 and outer housing 10
It is fixedly connected by fixed block, as shown in Figure 1, the grinding attachment 30 includes motor 31, the connection of driving bevel gear 321, first
Axis 34, the second connecting shaft 35 promote connecting rod 38, splined shaft 37 and several drive rings 39, the hook part are promoted to be provided with cutter
331, hook part can be arranged in by dismountable mode in cutter 331, hook part directly can also be ground to cutter 331, motor
31 settings are fixed on lifting plate 42 in 10 outside of outer housing, motor 31, and reception hole, motor 31 are offered on lifting plate 42
Output shaft pass through reception hole and be connected to and promote axis 32, electric telescopic rod 41 drives motor 31 when moving up, and synchronous drive promotes axis
32 move up, and the center of the driving bevel gear 321 offers driving internal spline 3211, offer on the promotion axis 32 with it is described
The driving external splines that driving internal spline 3211 matches, the driving bevel gear 321 are rotatably arranged in the inner housing 20
On, the lower end of the driving bevel gear 321 is provided with driving sliding block 322, offers driving sliding slot on the inner housing 20, described
Driving sliding block 322 is slidably disposed in the driving sliding slot, and driving bevel gear 321 can be in driving internal spline 3211 and drive
Under the drive of dynamic external splines, rotated with the rotation for promoting axis 32, but driving bevel gear 321 will not be generated and be moved up and down,
When promoting axis 32 and moving up and down, since driving internal spline 3211 and driving external splines can produce relative movement but still can be with
It is drivingly connected, therefore promotes moving up and down for axis 32 and will not influence the drive rotation of driving bevel gear 321, first connecting shaft
34 and second connecting shaft 35 be rotatably arranged on the inner housing 20, on inner housing 20 setting there are two support
Block, the first connecting shaft 34 are connected in a supporting block by bearing, and the second connecting shaft 35 is connected to another branch by bearing
On bracer, the both ends of first connecting shaft 34 are respectively arranged with the first connection bevel gear 341 and the second connection bevel gear 342,
The first connection bevel gear 341 is meshed with the driving bevel gear 321, and the both ends of second connecting shaft 35 are respectively set
There are third connection bevel gear 351 and the 4th connection bevel gear 352, the second connection bevel gear 342 connect cone with the third
Gear 351 is meshed, and the first connecting shaft 34 is arranged vertically with the second connecting shaft 35, and described one end for promoting splined shaft 37 is provided with
Bevel gear 36 is promoted, the propulsion bevel gear 36 connect bevel gear 352 with the described 4th and is meshed, opens on the propulsion connecting rod 38
Equipped with internal spline is promoted, the propulsion splined shaft 37 is matched with the propulsion internal spline, is opened on the side wall of the inner housing 20
It is described to promote the external screw thread for offering on connecting rod 38 and closing with the corresponding threaded holes equipped with threaded hole, when motor 31 rotates, band
The dynamic axis 32 that promoted rotates, and promotes axis 32 and drives driving bevel gear 321 to rotate by spline fitted, the drive of driving bevel gear 321 the
One connection bevel gear 341 rotates, and drives the second connection bevel gear 342 to rotate by the first connecting shaft 34, the second connection cone
Gear 342 drives third connection bevel gear 351 to rotate, and drives the 4th connection bevel gear 352 to rotate by second connecting rod, the 4th connects
Connecing bevel gear 352 drives propulsion bevel gear 36 to rotate, and bevel gear 36 is promoted to drive propulsion connecting rod 38 by spline fitted when rotating
Rotation promotes the rotation of connecting rod 38 to will not influence drive ring due to being ball-joint between propulsion connecting rod 38 and drive ring 39
39, the threaded hole cooperation on 20 side wall of external screw thread and inner housing on connecting rod 38 is promoted, drives and promotes connecting rod 38 towards drive ring
39 direction is mobile, the propulsions connecting rod 38 and the drive ring 39 one-to-one correspondence, and the propulsion connecting rod 38 is far from the propulsion
One end ball-joint of splined shaft 37 is on the drive ring 39, and circumferential uniform point along the promotion axis 32 of several drive rings 39
Cloth, offers the resigning sliding slot 333 for accommodating the drive ring 39 on the grabbing claw 33, the resigning sliding slot 333 it is interior
Profile is greater than the outer profile of the drive ring 39, to form the activity space of drive ring 39, due to promoting connecting rod 38 to pass through flexural pivot
When tape splicing moves drive ring 39 and then drives grabbing claw 33 inwardly to collapse and expand outwardly by drive ring 39, drive ring 39 passes through ball
It hingedly can produce overturning, but relative displacement to a certain extent can be generated between drive ring 39 and grabbing claw 33 at this time, i.e.,
Resigning sliding slot 333 can generate variation in height, by making the Internal periphery of resigning sliding slot 333 be greater than the outer profile of drive ring 39,
It can make up and change brought difference in height due to generating in 333 height of resigning sliding slot, as shown in Figure 4 and Figure 5, drive ring 39 is
The sliding block of one arc, one side are provided with link block, so that the cross section of entire drive ring 39 is in T shape, resigning sliding slot 333
Cross section is also in T shape, and the drive ring 39 is used to that the grabbing claw 33 to be driven to turn along it with the hinged place for promoting axis 32
It moves so that the grabbing claw 33 is drawn close or expanded relatively, in the present embodiment, grabbing claw 33 is 6, and drive ring 39 is 3, arbitrarily
When inscribe, any one drive ring 39 is at least connected with two grabbing claws 33 so that drive ring 39 act when be able to drive institute
There is grabbing claw 33 to synchronize inwardly to collapse or expand outwardly, due to having gap between two adjacent drive rings 39, this just gives drive
Rotating ring 39 comes closer or far from providing space, and similarly, due to also there is gap between grabbing claw 33, drive ring 39 can be with
It drives grabbing claw 33 to synchronize inwardly to collapse or expand outwardly, when promoting the rotation of axis 32, grabbing claw 33 is driven to rotate, on grabbing claw 33
Cutter cut pin, as shown in fig. 6, due to promoted axis 32 rotate when also pass through drive ring 39 drive grabbing claw 33 inwardly receive
Hold together, and grabbing claw 33 and promoted axis 32 hinge joint it is higher than the position of cutter, therefore grabbing claw 33 inwardly collapse when, cutter is to be in
The trend now moved upwards ultimately forms notch as shown in FIG. 6, and the notch tilted upward increases pin when can guarantee to draw high
To the barrier force of grabbing claw 33, namely make grabbing claw 33 to pin promoted when not only rely on frictional force, and be more according to
By grabbing claw 33 to the upward pulling force of pin, the possibility that grabbing claw 33 and pin are detached from so can be effectively further reduced
Property.
The bottom end of the grabbing claw 33 has curved portion 332, grabbing claw 33 and hinged center of rotation and the institute for promoting axis 32
The center of circle for stating curved portion 332 coincides, and grabbing claw 33 is resisted against on working face when due to pin positioning, and grabbing claw 33 is driving
When inwardly being collapsed under the drive of ring 39, if the bottom of grabbing claw 33 be non-curved portion, it will cause height difference by grabbing claw 33 to
Upper jack-up, to cause whole device unstable, influence using.And it is arranged to after curved portion 332, and the circle of curved portion 332
The hinged center of the heart and grabbing claw 33 and promotion axis 32 coincides, therefore not will cause height difference when the rotation of grabbing claw 33, therefore not
Whole device can be had an impact.
Embodiment three:
In another embodiment, when directly being promoted in order to prevent to motor 31, axis 32 is promoted to the pulling force of 31 main shaft of motor
Damage is generated to motor 31, therefore, as shown in Figure 7 and Figure 8, support arm 44, the promotion axis are provided on the outer housing 10
Lifting plate 42 is provided on 32, the lifting plate 42 can be along perpendicular to the axial line for promoting axis 32 with the lifting device
It is relatively rotated in plane, the two sides of the motor 31 are provided with supporting slider 45, and one end of the supporting slider 45 is fixedly connected
On the motor 31, the other end can along it is described promoted axis 32 extending direction slide up and down to be arranged in the support arm 44
On.
Specifically, the annular groove concentric with the promotion axis 32, the lifting dress are offered on the lifting plate 42
The output end set is provided with the promotion sliding block 43 matched with the annular groove, and the promotion sliding block 43 is slidably disposed on
In the annular groove.
When motor 31 rotates, the rotary freedom of motor 31 is limited due to the effect of supporting slider 45 at this time,
Motor 31 can drive lift lever rotation with normal rotation, when motor 31 rotates, and lift lever drives lifting plate 42 to rotate, lifting plate 42
On open up annular groove, therefore when lifting plate 42 rotates, electric telescopic rod 41 can still support lifting plate 42, and then keep electricity
Position in 31 height of machine is constant.
Specifically, the cross section of the driving sliding slot and the driving sliding block 322 is in T font.
Disclosed above is only several specific embodiments of the invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (10)
1. a kind of pin pulling device characterized by comprising
Outer housing has a containing cavities；
Lifting device comprising promote axis and lifting device, the lifting device is arranged on the outer housing, for driving
Promotion axis is stated to move up and down；
Grabbing device comprising several grabbing claws being arranged circumferentially along the promotion axis, the grabbing claw are integrally in the shape of the letter V
Structure, one end is hinged on the lower end for promoting axis, the other end is provided with inwardly protruded hook part, and the hook part tilts upward
Setting.
2. a kind of pin pulling device as described in claim 1, which is characterized in that further include grinding attachment and inner housing, institute
It states inner housing to be fixed in the outer housing, the grinding attachment includes motor, driving bevel gear, the first connecting shaft,
Two connecting shafts promote connecting rod, splined shaft and several drive rings, the hook part are promoted to be provided with cutter, and the lifting device is used for
The motor is driven to move up and down, it is described to promote axis transmission the output end of the motor is set, in the driving bevel gear
The heart offers driving internal spline, and the driving external splines matched with the driving internal spline is offered on the promotion axis, described
Driving bevel gear is rotatably arranged on the inner housing, and first connecting shaft and second connecting shaft are rotationally
It is arranged on the inner housing, the both ends of first connecting shaft are respectively arranged with the first connection bevel gear and the second connection cone tooth
Wheel, the first connection bevel gear are meshed with the driving bevel gear, and the both ends of second connecting shaft are respectively arranged with the
Three connection bevel gears and the 4th connection bevel gear, the second connection bevel gear connect bevel gear with the third and are meshed, institute
It states and one end of splined shaft is promoted to be provided with propulsion bevel gear, the propulsion bevel gear connect bevel gear with the described 4th and is meshed,
Propulsion internal spline is offered on the propulsion connecting rod, the propulsion splined shaft is matched with the propulsion internal spline, the inner casing
Threaded hole is offered on the side wall of body, offers the external screw thread closed with the corresponding threaded holes on the propulsion connecting rod, it is described to push away
It is corresponded into connecting rod and the drive ring, it is described to promote connecting rod far from one end ball-joint for promoting splined shaft in the drive
On rotating ring, several drive rings are circumferentially uniformly distributed along the promotion axis, are offered on the grabbing claw described for accommodating
The resigning sliding slot of drive ring, the Internal periphery of the resigning sliding slot is greater than the outer profile of the drive ring, to form the work of drive ring
Dynamic space, the drive ring are used to that the grabbing claw to be driven to rotate with the hinged place for promoting axis so that the grabbing claw along it
It is opposite to draw close or expand.
3. a kind of pin pulling device as claimed in claim 1 or 2, which is characterized in that be provided with support on the outer housing
Arm is provided with lifting plate on the promotion axis, and the lifting plate and the lifting device can be along perpendicular to the axis for promoting axis
It is relatively rotated in the plane of heart line, the two sides of the motor are provided with supporting slider, and one end of the supporting slider is fixedly connected
On the motor, the other end can along it is described promoted axis extending direction slide up and down to be arranged on the support arm.
4. a kind of pin pulling device as claimed in claim 3, which is characterized in that offer on the lifting plate and mentioned with described
The concentric annular groove of lifting shaft, it is sliding that the output end of the lifting device is provided with the promotion matched with the annular groove
Block, the promotion sliding block are slidably disposed in the annular groove.
5. a kind of pin pulling device as claimed in claim 4, which is characterized in that the lifting device is electric telescopic rod.
6. a kind of pin pulling device as claimed in claim 4, which is characterized in that the lifting device is cylinder.
7. a kind of pin pulling device as claimed in claim 2, which is characterized in that the lower end of the driving bevel gear is provided with
Sliding block is driven, offers driving sliding slot on the inner housing, the driving sliding block is slidably disposed in the driving sliding slot.
8. a kind of pin pulling device as claimed in claim 7, which is characterized in that the driving sliding slot and the driving sliding block
Cross section be in T font.
9. a kind of pin pulling device as described in claim 1, which is characterized in that the lifting device is several, several
The lifting device is arranged circumferentially along the promotion axis.
10. a kind of pin pulling device as claimed in claim 2, which is characterized in that the bottom end of the grabbing claw has arc
Portion, the center of circle of the curved portion and grabbing claw and the hinged center of rotation for promoting axis coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586013.6A CN109333036B (en) | 2018-12-24 | 2018-12-24 | A kind of pin pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586013.6A CN109333036B (en) | 2018-12-24 | 2018-12-24 | A kind of pin pulling device |
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| Publication Number | Publication Date |
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| CN109333036A true CN109333036A (en) | 2019-02-15 |
| CN109333036B CN109333036B (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811586013.6A Active CN109333036B (en) | 2018-12-24 | 2018-12-24 | A kind of pin pulling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539280A (en) * | 2019-08-06 | 2019-12-06 | 南通理工学院 | dismounting roll-over stand for automobile |
| CN111805906A (en) * | 2020-06-03 | 2020-10-23 | 佛山市晗涵科技有限公司 | Printing bottom plate fixing device and 3D printing workbench |
| CN112193554A (en) * | 2020-09-25 | 2021-01-08 | 申惠琴 | Use method of nail nipping device for logistics container |
| CN114749865A (en) * | 2022-06-15 | 2022-07-15 | 南通特美特工具有限公司 | Motor rotor welding tool assembly with positioning function |
| CN117549034A (en) * | 2023-12-01 | 2024-02-13 | 航天科工空天动力研究院(苏州)有限责任公司 | Bearing dismounting device |
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| CN204525345U (en) * | 2015-03-30 | 2015-08-05 | 安徽江淮汽车股份有限公司 | The outer ball pin provision for disengagement of a kind of track rod |
| CN207027394U (en) * | 2017-07-31 | 2018-02-23 | 北京汽车研究总院有限公司 | A kind of jack shaft provision for disengagement |
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| GB136095A (en) * | 1919-05-15 | 1919-12-11 | Charles Perkins Beach | Improvements in and relating to Gear Removers. |
| CN203603917U (en) * | 2013-11-21 | 2014-05-21 | 德阳宏源机电工程有限责任公司 | Disassembly device for cutter of shield tunneling machine |
| CN204525345U (en) * | 2015-03-30 | 2015-08-05 | 安徽江淮汽车股份有限公司 | The outer ball pin provision for disengagement of a kind of track rod |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539280A (en) * | 2019-08-06 | 2019-12-06 | 南通理工学院 | dismounting roll-over stand for automobile |
| CN111805906A (en) * | 2020-06-03 | 2020-10-23 | 佛山市晗涵科技有限公司 | Printing bottom plate fixing device and 3D printing workbench |
| CN111805906B (en) * | 2020-06-03 | 2022-04-01 | 佛山市晗涵科技有限公司 | Printing bottom plate fixing device and 3D printing workbench |
| CN112193554A (en) * | 2020-09-25 | 2021-01-08 | 申惠琴 | Use method of nail nipping device for logistics container |
| CN114749865A (en) * | 2022-06-15 | 2022-07-15 | 南通特美特工具有限公司 | Motor rotor welding tool assembly with positioning function |
| CN114749865B (en) * | 2022-06-15 | 2022-09-02 | 南通特美特工具有限公司 | Motor rotor welding tool assembly with positioning function |
| CN117549034A (en) * | 2023-12-01 | 2024-02-13 | 航天科工空天动力研究院(苏州)有限责任公司 | Bearing dismounting device |
| CN117549034B (en) * | 2023-12-01 | 2024-05-07 | 航天科工空天动力研究院(苏州)有限责任公司 | Bearing dismounting device |
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