CN206455608U - Bearing withdrawing device - Google Patents

Abstract

The utility model provides a kind of bearing withdrawing device, including：Pulling claw is combined, combination pulling claw is used to clamp bearing；Pulling claw set, pulling claw set is removably secured connection with combining pulling claw；Push rod, push rod is located in pulling claw and put, and is moved along the axial-rotation that pulling claw covers.Bearing withdrawing device of the present utility model easily can easily dismantle all kinds of minicomputer electrical device small gap bearings；Small volume and less weight, it is economic and practical, the time is saved, efficiency is improved；It is simple in construction, it is easy to operate, can extensive use in small-sized electromechanical industries.

Description

Bearing withdrawing device

Technical field

The utility model is related to bearing disassembling device technical field, in particular to a kind of bearing withdrawing device.

Background technology

Because current various types of electromechanical equipments are not only more and more and less and less.Therefore each of equipment is caused Position is more and more compacter, and the gap at each position is also less and less, and especially the main easily worn part bearing of electromechanical equipment is with connecting Parts clearance it is very narrow and small.

Again because current bearing pulling force existing on the market cannot be introduced into bearing because the pulling claw of pulling force is excessive or blocked up With the gap of adjacent component, so can not complete bearing remove operation.If taking the method for the corresponding pulling force pulling claw of reconditioning to dismantle During bearing, pulling claw is deformed because lifting surface area is too small, bearing is not removed not only, former pulling force has been damaged on the contrary.If using Sharpening machine method for grinding or other method can cause equipment rotor or bearing to be connected parts damages when removing bearing.

Utility model content

Main purpose of the present utility model is to provide a kind of bearing withdrawing device for being easy to remove bearing.

To achieve these goals, the utility model provides a kind of bearing withdrawing device, including：Pulling claw is combined, combination is drawn Pawl is used to clamp bearing；Pulling claw set, pulling claw set is removably secured connection with combining pulling claw；Push rod, push rod is located in pulling claw set On, and moved along the axial-rotation that pulling claw covers.

Further, combination pulling claw is included along same at least two pulling claw half blocks circumferentially, and the of each pulling claw half block One end is provided with hooking structure.

Further, pulling claw, which is put, is provided with screwed hole, one end relative with hooking structure of at least two pulling claw half blocks It is provided with external screw thread.

Further, bearing withdrawing device also includes expansion sleeve, and expansion sleeve is arranged in screwed hole with by least two pulling claws Half block tensioner is arranged in screwed hole, and expansion sleeve is set on push rod.

Further, the end of expansion sleeve has the conical surface for being provided with and coordinating with conehead on conehead, pulling claw half block.

Further, bearing withdrawing device also includes adjusting set, and adjusting set is detachably attached in screwed hole, and is set in The periphery of push rod.

Further, it is connected through a screw thread between push rod and pulling claw set, and the axis of push rod and the axis of screwed hole are consistent.

Further, one end of the close combination pulling claw of push rod is provided with locating cone.

Further, one end of the remote combination pulling claw of push rod is provided with six prisms.

Further, it is provided with six prisms and pulls thick stick hole.

Using the technical solution of the utility model, during dismantling bearing using bearing withdrawing device of the present utility model, Combination pulling claw, which is arranged on, first has on the bearing of rotor or other structures part, for example, clamp the bearing of rotor one end, Then pulling claw external threading is connected and fastened with combining the screw thread of pulling claw, push rod then is located in into pulling claw puts, and caused The top of push rod is connected on rotor, then rotates push rod so that effect of the push rod to rotor applying power, in the mistake of rotation push rod Cheng Zhong, the oriented trend away from rotor motion of pulling claw tackling, and then drive combination pulling claw to take out bearing.This bearing withdrawing device knot Structure is simple, easy to disassemble.Bearing withdrawing device of the present utility model easily can easily dismantle all kinds of minicomputer electrical device small gaps Bearing；Small volume and less weight, it is economic and practical, the time is saved, efficiency is improved；It is simple in construction, it is easy to operate, can be wide in small-sized electromechanical industries General application.

Brief description of the drawings

The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model. In the accompanying drawings：

Fig. 1 diagrammatically illustrates sectional view when bearing withdrawing device of the present utility model takes bearing；

Fig. 2 diagrammatically illustrates the half sectional view of combination pulling claw of the present utility model；

Fig. 3 diagrammatically illustrates the half sectional view of pulling claw set of the present utility model；And

Fig. 4 diagrammatically illustrates the front view of push rod of the present utility model.

Wherein, above-mentioned accompanying drawing is marked including the following drawings：

10th, pulling claw is combined；11st, pulling claw half block；12nd, hooking structure；20th, pulling claw set；21st, screwed hole；30th, push rod；31st, it is fixed Position cone；32nd, six prism；33rd, thick stick hole is pulled；40th, expansion sleeve；41st, conehead；50th, adjusting set；60th, bearing；70th, rotor；80th, fan Leaf.

Embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.

It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, " Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using Data can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except herein Order beyond those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that Be to cover it is non-exclusive include, for example, containing process, method, system, product or the equipment of series of steps or unit not Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side The intrinsic other steps of method, product or equipment or unit.

For the ease of description, space relative terms can be used herein, such as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure Outside different azimuth in use or operation.If for example, the device in accompanying drawing is squeezed, be described as " in other devices It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and " in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and And respective explanations are made to the relative description in space used herein above.

Referring to shown in Fig. 1 to 4, according to embodiment of the present utility model there is provided a kind of bearing withdrawing device, the present embodiment Bearing withdrawing device includes：Combine pulling claw 10, pulling claw set 20 and push rod 30.

Wherein, combination pulling claw 10 is used to clamp bearing；Pulling claw set 20 is removably secured connection with combining pulling claw 10；Push rod 30 are located on pulling claw set 20, and the axial-rotation for covering 20 along pulling claw is moved.

During bearing withdrawing device dismounting bearing using the present embodiment, first will combination pulling claw 10 from being provided with bearing Structure, such as one end of rotor 70 clamps bearing 60, and pulling claw then is covered into the 20 screw thread phases for being connected to combination pulling claw 10 Connect and fasten, then push rod 30 is located on pulling claw set 20, and cause push rod 30 is top to be connected on rotor 70, Ran Houxuan Turn push rod 30 so that effect of the push rod 30 to the applying power of rotor 70, during push rod 30 is rotated, pulling claw set 20 has to remote The trend moved from rotor 70, and then drive combination pulling claw 10 to take out bearing 60, it is simple in construction, it is easy to disassemble.This practicality is new Type holds extractor, easily can easily dismantle all kinds of minicomputer electrical device small gap bearings；Small volume and less weight, economic and practical, section Save time, improve efficiency；It is simple in construction, it is easy to operate, can extensive use in small-sized electromechanical industries.

Specifically, the combination pulling claw 10 in the present embodiment is included along same at least two pulling claw half blocks circumferentially 11, the first end of each pulling claw half block 11 is provided with hooking structure 12.Preferably, the combination pulling claw 10 in the present embodiment has two Pulling claw half block 11, when use, the periphery of two pulling claw half blocks 11 from bearings 60 is drawn close, and causes each pulling claw half block 11 Hooking structure 12 be inserted into the gap between fan leaf 80 or other parts and bearing 60, then combination pulling claw 10 it is another One end is arranged pulling claw set 20, finally just can be taken off bearing 60 from rotor 70 using the effect of push rod 30.

For the ease of pulling claw set 20 and combination pulling claw 10 are fixed together, set on the pulling claw set 20 in the present embodiment Screwed hole 21 is equipped with, one end relative with hooking structure 12 of at least two above-mentioned pulling claw half blocks 11 is provided with external screw thread.It is logical The externally threaded mating connection relation crossed on screwed hole 21 and combination pulling claw 10, combination pulling claw 10 is fixedly connected with pulling claw set 20 Together, it is simple in construction, it is convenient and fast connection.

In other embodiment of the present utility model, pulling claw 10 can also will be combined using structures such as screw, bolts and will be drawn Pawl set 20 is fixed together, as long as other modes of texturing under design of the present utility model, in the utility model Protection domain within.

During the bearing withdrawing device of actual processing the present embodiment, each pulling claw half block 11 is not provided with hooking knot The other end of structure 12 is set to) structure of inner conical, it is ensured that multiple pulling claw half blocks 11 can form one when combining Cylinder structure, be easy to be connected through a screw thread be fixed on pulling claw set 20 on.

In order to ensure that the bearing in the connective stability between multiple pulling claw half blocks 11 and pulling claw set 20, the present embodiment takes out Device also includes expansion sleeve 40, and the expansion sleeve 40 is arranged in screwed hole 21, and the above-mentioned tensioner of at least two pulling claws half block 11 is installed In screwed hole 21, during use, the expansion sleeve 40 of the present embodiment is set on push rod 30, be easy to push rod 30 in rotary moving with Bearing 60 is taken off from the structures such as rotor 70.

Preferably, the end of the expansion sleeve 40 of the present embodiment has and is provided with and conehead on conehead 41, each pulling claw half block 11 41 conical surfaces coordinated.So, during the combination pulling claw 10 of the present embodiment is threadedly attached on pulling claw set 20, lead to The mating reaction of conehead 41 and the conical surface on pulling claw half block 11 is crossed, is easy to each tensioner of pulling claw half block 11 by pulling claw 10 is combined, And then effectively ensure connective stability and reliability between combination pulling claw 10 and pulling claw set 20.

Actual use process, sometimes the installation site of bearing 60 from the isostructural end of rotor 70 farther out, if If external screw thread on combination pulling claw 10 falls short of, expansion sleeve 40 is difficult to realize its tensioner function, therefore, the bearing of the present embodiment Extractor also includes adjusting set 50, and adjusting set 50 is removably mounted in screwed hole 21, during installation, and adjusting set 50 is arranged on The bottom of screwed hole 21, and the periphery of push rod 30 is set in, by the effect of adjusting set 50, it is easy to make expansion sleeve 40 with combining drawing Pawl 10 abuts to realize the tensioner function of expansion sleeve 40.

In the present embodiment, it is connected through a screw thread between push rod 30 and pulling claw set 20, and the axis and screwed hole of push rod 30 21 axis is consistent, when use so that one end that push rod 30 is extend into screwed hole 21 is connected to the end of rotor 70, so After screw push rod 30, now, pulling claw set 20 can be moved along the length direction of push rod 30, and then drive combination pulling claw 10 by bearing 60 Take out.

For the ease of positioning, one end of the close combination pulling claw 10 of the push rod 30 of the present embodiment is provided with locating cone 31, leads to The effect of locating cone 31 is crossed, is easy to abutting push rod 30 into the end for being positioned at rotor 70.

For the ease of rotation push rod 30, one end of the remote combination pulling claw 10 of the push rod 30 in the present embodiment is provided with six ribs Post 32, by the effect of six prisms 32, be easy to use other structures, and the structure such as spanner drives push rod 30 to rotate, and then Rapidly bearing 60 is taken out.Certainly, in other embodiment of the present utility model, six prisms 32 can also be set to four ribs The structure such as post or Rhizoma Sparganii or pentagonal prism.

Preferably, it is provided with six prisms 32 of the present embodiment and pulls thick stick hole 33, during use, thick stick hole 33 can be being pulled Inside assign and pull thick stick, and then be easy to rotate push rod 30.

It should be noted that the bearing withdrawing device of the present embodiment is mainly used in the minicomputer electrical device small gap of all kinds of models Bearing 60 is removed, and the predominant intermolecular forces due to the bearing withdrawing device in the present embodiment are combining the most thin position of pulling claw 10 foremost Place, the intensity of combination pulling claw 10 is the key in the unloading process of bearing 60, therefore to various combination pulling claw 10, is all drawn The calculating of force intensity and yield strength, carries out yield strength calculating, while to different rule to the screw thread of push rod 30 and pulling claw set 20 Frictional force between the bearing 60 and rotor 70 of lattice number is calculated, by calculating, the intensity of combination pulling claw 10 and push rod 30 Much larger than the frictional force between rotor 70 and bearing 60, by experiment, even if bearing 60 and rotor 70 are in the case of corrosion, still Bearing 60 easily can be dismantled into completion.

Preferably, in order to ensure that bearing withdrawing device has the bearing in good mechanical performance and durable tolerance, the present embodiment The entire infrastructure of extractor is made using 40# Fine Steel Casting irons.

With reference to above-described embodiment bearing withdrawing device structure specifically introduce the present embodiment bearing withdrawing device use process It is as follows：

First, it is first determined the model and external diameter of bearing 60, the bearing 60 for needing to dismantle is determined after electromechanical equipment is disintegrated Model, outside dimension and bearing 60 and adjacent component gap；

Second, bearing 60 is chosen with combining supporting the use for the model of pulling claw 10 and combines pulling claw accordingly with removing bearing 60 10, will 10 points of pulling claw of combination up and down or left and right fastening bearing 60, then will be equipped with the pulling claw set 20 of expansion sleeve 40 by screw thread and The screw thread of combination pulling claw 10 is attached and screwed；

3rd, the active force of combination pulling claw 10 and push rod 30, the effect that the screw thread for covering 20 by push rod 30 and pulling claw is produced Power and combination pulling claw 10 are wrapped in the dismounting of the active force completion bearing 60 of bearing 60.

With reference to the above embodiments, bearing withdrawing device of the present utility model has reached following technique effect：

Bearing withdrawing device of the present utility model is easy to use to be repaired in electric tool repairing unit and pincers worker electric tool Cheng Zhong, in the case of small gap bearing, dismantles success rate 100%, using effect is very good.Repaired in electric tool Industry, the repairing efficiency and quality of equipment can be improved by using bearing withdrawing device of the present utility model, reduce spillage of material, Cost is reduced, the miscellaneous part for having prevented to occur in repair procedures completely is damaged or scrapped, it is to avoid personnel's injury accident Generation.Create good economic benefit and social benefit.It compensate for not dismantling small gap bearing combination broach instrument Blank.

It can be seen that, it is of the present utility model to hold extractor, it easily can easily dismantle all kinds of minicomputer electrical device small gap bearings； Small volume and less weight, it is economic and practical, the time is saved, efficiency is improved；It is simple in construction, it is easy to operate, it can be answered extensively in small-sized electromechanical industries With.

Preferred embodiment of the present utility model is these are only, the utility model is not limited to, for this area Technical staff for, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within, Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.

Claims (10)

1. a kind of bearing withdrawing device, it is characterised in that including：

Pulling claw (10) is combined, the combination pulling claw (10) is used to clamp bearing (60)；

Pulling claw set (20), the pulling claw set (20) is removably secured connection with the pulling claw (10) that combines；

Push rod (30), the push rod (30) is located on the pulling claw set (20), and along the axial-rotation of the pulling claw set (20) It is mobile.

2. bearing withdrawing device according to claim 1, it is characterised in that the combination pulling claw (10) is included along same circumference At least two pulling claw half blocks (11) of arrangement, the first end of each pulling claw half block (11) is provided with hooking structure (12).

3. bearing withdrawing device according to claim 2, it is characterised in that be provided with screwed hole on the pulling claw set (20) (21), one end relative with the hooking structure (12) of at least two pulling claws half block (11) is provided with external screw thread.

4. bearing withdrawing device according to claim 3, it is characterised in that the bearing withdrawing device also includes expansion sleeve (40), the expansion sleeve (40) is arranged in the screwed hole (21) to install at least two pulling claws half block (11) tensioner In the screwed hole (21), the expansion sleeve (40) is set on the push rod (30).

5. bearing withdrawing device according to claim 4, it is characterised in that the end of the expansion sleeve (40) has conehead (41) conical surface coordinated with the conehead (41), is provided with the pulling claw half block (11).

6. bearing withdrawing device according to claim 4, it is characterised in that the bearing withdrawing device also includes adjusting set (50), the adjusting set (50) is detachably attached in the screwed hole (21), and is set in the periphery of the push rod (30).

7. bearing withdrawing device according to claim 3, it is characterised in that the push rod (30) and the pulling claw set (20) it Between be connected through a screw thread, and the axis of the push rod (30) is consistent with the axis of the screwed hole (21).

8. bearing withdrawing device according to claim 1, it is characterised in that the close combination pulling claw of the push rod (30) (10) one end is provided with locating cone (31).

9. bearing withdrawing device according to claim 1, it is characterised in that the remote combination pulling claw of the push rod (30) (10) one end is provided with six prisms (32).

10. bearing withdrawing device according to claim 9, it is characterised in that be provided with six prism (32) and pull thick stick hole (33)。