CN209175673U - A kind of axle sleeve extractor - Google Patents
A kind of axle sleeve extractor Download PDFInfo
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- CN209175673U CN209175673U CN201821750430.5U CN201821750430U CN209175673U CN 209175673 U CN209175673 U CN 209175673U CN 201821750430 U CN201821750430 U CN 201821750430U CN 209175673 U CN209175673 U CN 209175673U
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Abstract
The utility model discloses a kind of axle sleeve extractors.It is mainly characterized by: opposite assembly, straight-tooth A and straight-tooth the B intermeshing of the left arc rack and right arc rack that can open and close up, the lower end of the Inner arc end face of left arc rack and right arc rack is respectively provided with the zigzag left collet and right collet that axle sleeve is clamped and extracted in the inner hole of axle sleeve that insertion is mounted in the axle sleeve hole of body, and the outer end of left collet and right collet is respectively provided with clamping and the sharp left folder sword and right folder sword in the wall surface of the hole of the inner hole that is squeezed into axle sleeve when extracting axle sleeve；The preceding connecting plate of the front and rear end of circular arc pilot hole A and right arc rack on the arc rack body of left arc rack and the circular arc pilot hole B of rear connecting plate are flexibly connected with bolt, and bolt can move up and down in circular arc pilot hole A and circular arc pilot hole B.The utility model can easily and quickly extract the axle sleeve to be dismantled, shorten maintenance time, improve production and working efficiency, using flexible, conveniently.
Description
Technical field
The utility model relates to maintenance tool technical field, in particular to a kind of axle sleeve extractor.
Background technique
Axle sleeve in existing various machinery equipments is all vulnerable part, for the ease of replacement, the outer diameter and axle sleeve hole of axle sleeve
It is all to be assembled using transition fit.
One section of outer diameter is usually slightly smaller than small axis when replacing the little axle sleeve of various machinery equipments by existing maintenance personal
The one end for covering the round steel of outer diameter leans against on the annulus end face of the little axle sleeve one end to be dismantled, then in the other end iron hammer of round steel
It firmly tapping, is slowly knocked out little axle sleeve out of axle sleeve hole, the method for this disassembly little axle sleeve is not only worked hard, and
It is very slow, cause maintenance time long, influences to produce and work.
Existing maintenance personal when replacing the relatively large shaft sleeve of various machinery equipments, usually first by one section of width be greater than compared with
One end of the square steel of the wall thickness of large shaft sleeve leans against the left end on the annulus end face of the relatively large shaft sleeve one end to be dismantled, then in square steel
The other end with iron hammer firmly tap one, two under, one end of square steel is then leaned against to the annulus of the relatively large shaft sleeve one end to be dismantled
Right end on end face symmetrically taps larger axis then in the case where the other end of square steel firmly taps one, two with iron hammer repeatedly
The left and right end on the annulus end face of one end is covered, will be slowly knocked out out of axle sleeve hole compared with large shaft sleeve, this larger axis of disassembly
The method of set, not only works hard, and very slow, causes maintenance time long, influences to produce and work.
Utility model content
Technical problem to be solved by the utility model is: a kind of axle sleeve extractor is provided, when replacing axle sleeve, as long as both hands are held
Firmly left handle and right handles and left handle and right handles are opened, the upper end of left arc rack and right arc rack will open, left
The lower end of arc rack and right arc rack will close up, by the left collet and right folder of left arc rack and right arc rack lower end
Head is inserted into the inner hole of the axle sleeve to be dismantled, constantly agitates left handle above and below while being lifted up left handle and right handles
And right handles, the axle sleeve to be dismantled can be easily and quickly extracted, maintenance time is shortened, improves production and working efficiency.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is: by left arc rack, rear connection
A kind of axle sleeve extractor that plate, right arc rack, rivet, bolt, preceding connecting plate, bolt and nut of clip are constituted, opposite assembly, energy
Straight-tooth A and straight-tooth the B intermeshing of the left arc rack and right arc rack that enough open and close up, left arc rack and right circular arc
The lower end of the Inner arc end face of rack gear is respectively provided in the inner hole for the axle sleeve that insertion is mounted in the axle sleeve hole of body and clamps
And the zigzag left collet and right collet of axle sleeve are extracted, the outer end of left collet and right collet is respectively provided with clamping and extracts
The sharp left folder sword and right folder sword being squeezed into when axle sleeve in the wall surface of the hole of the inner hole of axle sleeve.
The left arc rack and right arc rack are made of alloy tool steel, left arc rack and right arc rack
The length of arc rack body is respectively greater than by the arc radius and tooth top of the Inner arc end face of left arc rack and right arc rack
The a quarter of the length of the annulus gear body for the annulus external tooth wheel that round arc radius is constituted, left arc rack and right circle-arc tooth
The tooth face hardness of the straight-tooth A and straight-tooth B of item are HRC42~48, the left collet and right folder of left arc rack and right arc rack
The hardness of head is HRC50~55.
Smooth circular arc pilot hole A is equipped with along circular arc direction on the arc rack body of the left arc rack.
The left upper end of the left arc rack is equipped with the cylindrical left handle of integral structure, the radial surface of left handle
Border is equipped with uniformly distributed anti-skidding annular knurl A.
5~7 uniformly distributed riveted holes A, right circle are equipped with along circular arc direction on the arc rack body of the right arc rack
The radial outer end of the front and rear end of arc rack is respectively equipped with preceding connecting plate and rear connecting plate.
The preceding connecting plate and rear connecting plate are made of No. 45 steel steel plates, the circular arc plate body of preceding connecting plate and rear connecting plate
Radial outer end smooth circular arc pilot hole B, the circle-arc tooth of circular arc pilot hole B and left arc rack are respectively equipped with along circular arc direction
The shape and size of circular arc pilot hole A on body are identical but direction is on the contrary, the outer wall surface of the hole B of the circular arc of circular arc pilot hole B is being pressed from both sides
It can be pushed when mandrel covers with the outer wall surface of the hole A cooperation of the circular arc of circular arc pilot hole A and be located at circular arc pilot hole A and circular arc pilot hole B
Interior bolt moves up.
The radial inner end of the circular arc plate body of the preceding connecting plate and rear connecting plate is respectively equipped with integrated knot along circular arc direction
The circular arc protrusive board A protrude backward and forwardly convex of structure and the protrusion height of circular arc protrusive board B, circular arc protrusive board A and circular arc protrusive board B
H is the arc radius R2 of the external arc end face of 0.3~0.5mm, circular arc protrusive board A and circular arc protrusive board B than left arc rack and the right side
Small 0.5~the 1.0mm of radius R1 of the root circle of the straight-tooth A and straight-tooth B of arc rack.
The radial inner end and circular arc protrusive board A of the circular arc plate body of the preceding connecting plate and rear connecting plate and circular arc protrusive board B's
Widthwise central is respectively equipped with 5~7 uniformly distributed rivetings on 5~7 arc rack bodies with right arc rack along circular arc direction
The pitch-row of hole A and the identical riveted holes B in aperture, 5~7 rivets are each passed through 5~7 on preceding connecting plate and rear connecting plate
Preceding connecting plate and rear connecting plate are riveted respectively after 5~7 uniformly distributed riveted holes A on the riveted holes B and right arc rack of cloth
On the radial outer end of the front and rear end of right arc rack.
The front end face of the circular arc plate body of the rear end face and rear connecting plate of the circular arc plate body of the preceding connecting plate is formed by
The groove width of arc groove is 0.6~1.0mm bigger than the thickness of left arc rack and the arc rack body of right arc rack, right circle-arc tooth
Whole straight-tooth B of item are set in the circular arc groove, when the straight-tooth B of the straight-tooth A of left arc rack and right arc rack is intermeshed,
At the part straight-tooth A of left arc rack in the circular arc groove.
The upper right side of the right arc rack is equipped with the cylindrical right handles of integral structure, the radial surface of right handles
Border is equipped with uniformly distributed anti-skidding annular knurl B.
The screw rod of the bolt front end is each passed through circular arc pilot hole B, left circular arc on the circular arc plate body of rear connecting plate
After circular arc pilot hole A on the arc rack body of the rack gear and circular arc pilot hole B on the circular arc plate body of preceding connecting plate with nut lock
Tight the screw rod of nut front end is radially equipped with pin hole together, the split pin for preventing nut loosening is equipped in pin hole, bolt will
Left arc rack and right arc rack link together.
The outer diameter of the polished rod of the bolt rear end is oriented to than the circular arc on the circular arc plate body of preceding connecting plate and rear connecting plate
The hole of hole B is wide and 0.5~1.0mm of Kong Kuan little of the circular arc pilot hole A on the arc rack body of left arc rack, opens left hand
When handle and right handles, the upper end of left arc rack and right arc rack is opened, and the lower end of left arc rack and right arc rack is closed
Hold together, wall surface of the hole B is pushed away bolt outside the circular arc of wall surface of the hole A and circular arc pilot hole B outside the circular arc of the circular arc pilot hole A of bolt upper end
It is moved down in circular arc pilot hole A and circular arc pilot hole B under dynamic and under the gravity of itself, is lifted up left handle
When with right handles, the upper end of left arc rack and right arc rack closes up, and the lower end of left arc rack and right arc rack is opened,
The promotion of bolt wall surface of the hole B outside the circular arc of wall surface of the hole A and circular arc pilot hole B outside the circular arc of the circular arc pilot hole A of bolt lower end
Under moved up in circular arc pilot hole A and circular arc pilot hole B.
The beneficial effects of the utility model are: due to the left arc rack and right circle that assemble, can open in opposite directions and close up
The straight-tooth A and straight-tooth B of arc rack are intermeshed, and the lower end of the Inner arc end face of left arc rack and right arc rack is respectively equipped with
Zigzag left collet and the right side of axle sleeve are clamped and extracted in inner hole for being inserted into the axle sleeve being mounted in the axle sleeve hole of body
The outer end of collet, left collet and right collet is respectively provided with clamping and is squeezed into the wall surface of the hole of the inner hole of axle sleeve when extracting axle sleeve
Interior sharp left folder sword and right folder sword.Replace axle sleeve when, as long as both hands hold left handle and right handles and open left handle and
The upper end of right handles, left arc rack and right arc rack will open, and the lower end of left arc rack and right arc rack will
Close up, the left collet and right collet of left arc rack and right arc rack lower end be inserted into the inner hole of the axle sleeve to be dismantled,
Left handle and right handles are constantly agitated above and below while being lifted up left handle and right handles, can easily and quickly be extracted and be wanted
The axle sleeve of disassembly shortens maintenance time, improves production and working efficiency.
Since the straight-tooth A and straight-tooth B of the left arc rack and right arc rack that assemble, can open in opposite directions and close up are mutual
Engagement.When replacing axle sleeve, as long as both hands hold left handle and right handles and open left handle and right handles, left arc rack and the right side
The upper end of arc rack will open, and the intermeshing position of the straight-tooth B of the straight-tooth A and right arc rack of left arc rack will
It moves down, the lower end of left arc rack and right arc rack will close up, and left collet and right collet can be inserted into and to dismantle
Axle sleeve inner hole in；It is lifted up left handle and right handles, the straight-tooth B's of the straight-tooth A and right arc rack of left arc rack
Intermeshing position will up move, and the upper end of left arc rack and right arc rack will close up, left arc rack and the right side
The lower end of arc rack will open, and can clamp and extract the axle sleeve to be dismantled.The utility model is using the left circle-arc tooth of change
Left collet and right collet are opened and closed up in the intermeshing position of the straight-tooth B of the straight-tooth A and right arc rack of item, convenient for clamping
The axle sleeve to be dismantled in inner hole apertures different with extraction, using flexible, conveniently, the utility model utilizes phase according to lever principle
Supporting point of the contact surface of the straight-tooth A and straight-tooth B that mutually engage as power when replacing axle sleeve, can be clamped easily and be dismantled
The inner hole of axle sleeve shortens maintenance time convenient for easily and quickly extracting the axle sleeve to be dismantled, improves production and working efficiency.
Due to being equipped with smooth circular arc pilot hole A along circular arc direction on the arc rack body of left arc rack；Right circle-arc tooth
5~7 uniformly distributed riveted holes A, the radial direction of the front and rear end of right arc rack are equipped with along circular arc direction on the arc rack body of item
Outer end is respectively equipped with preceding connecting plate and rear connecting plate；The radial outer end of the circular arc plate body of preceding connecting plate and rear connecting plate is along circular arc side
Circular arc pilot hole on the arc rack body for being respectively equipped with smooth circular arc pilot hole B, circular arc pilot hole B and left arc rack
The shape and size of A are identical but direction is on the contrary, the outer wall surface of the hole B of the circular arc of circular arc pilot hole B is oriented to when clamping axle sleeve with circular arc
The outer wall surface of the hole A cooperation of the circular arc of hole A can push the bolt being located in circular arc pilot hole A and circular arc pilot hole B to move up；Spiral shell
The screw rod of bolt front end is each passed through the arc rack body of circular arc pilot hole B on the circular arc plate body of rear connecting plate, left arc rack
On circular arc pilot hole A and preceding connecting plate circular arc plate body on circular arc pilot hole B after together with nut check, nut front end
Screw rod be radially equipped with pin hole, be equipped with the split pin that prevents nut loosening in pin hole, bolt is by left arc rack and right circle
Arc rack links together；The outer diameter of the polished rod of bolt rear end is led than the circular arc on the circular arc plate body of preceding connecting plate and rear connecting plate
To the hole of hole B is wide and the arc rack body of left arc rack on circular arc pilot hole A 0.5~1.0mm of Kong Kuan little.This is practical
It is novel in the circular arc pilot hole B of the circular arc pilot hole A of left arc rack and the preceding connecting plate of right arc rack and rear connecting plate
It is flexibly connected using the bolt that can be moved up and down, it is compact-sized, convenient for of left arc rack and right arc rack
Opening and closing are held together, using flexible, conveniently, can further shorten maintenance time, improve production and working efficiency.
Detailed description of the invention
The specific structure of the utility model is provided by embodiment below and its attached drawing.
Fig. 1 be according to the utility model proposes a kind of axle sleeve extractor concrete structure schematic diagram (C-C cross-sectional view).
Fig. 2 be according to the utility model proposes a kind of axle sleeve extractor specific structure A-A cross-sectional view.
Fig. 3 be according to the utility model proposes a kind of axle sleeve extractor specific structure B-B cross-sectional view.
Fig. 4 be according to the utility model proposes a kind of axle sleeve extractor specific structure K direction view.
Fig. 5 be according to the utility model proposes a kind of axle sleeve extractor specific structure N direction view.
Fig. 6 be according to the utility model proposes a kind of axle sleeve extractor specific structure preceding connecting plate main view.
Fig. 7 be according to the utility model proposes a kind of axle sleeve extractor specific structure preceding connecting plate D-D section view
Figure.
Fig. 8 be according to the utility model proposes a kind of axle sleeve extractor specific structure rear connecting plate main view.
Fig. 9 be according to the utility model proposes a kind of axle sleeve extractor specific structure rear connecting plate E-E section view
Figure.
Figure 10 be according to the utility model proposes a kind of axle sleeve extractor specific structure working state figure.
In figure: 1- left handle, the anti-skidding annular knurl A of 2-, 3- left arc rack connect after 4- straight-tooth A, 5- circular arc pilot hole A, 6-
Plate, the right arc rack of 7- circular arc pilot hole B, 8- straight-tooth B, 9-, 10- right handles, the anti-skidding annular knurl B of 11-, 12- riveted holes A, 13- riveting
It follows closely, the right folder sword of outer the wall surface of the hole B, 15- of 14- circular arc, the right collet of 16-, the left collet of 17-, the left folder sword of 18-, 19- bolt, outside 20- circular arc
Connecting plate before wall surface of the hole A, 21- circular arc protrusive board B, 22- circular arc protrusive board A, 23-, 24- nut, 25- screw rod, 26- pin hole, 27- opening
Pin, 28- arc groove, 29- riveted holes B, 30- inner hole, 31- axle sleeve, 32- axle sleeve hole, 33- body.
Specific embodiment
With reference to the accompanying drawing be described in detail according to the utility model proposes specific device details and working condition.
As shown in the picture, the utility model proposes specific device details be: by left arc rack (3), rear connecting plate
(6), the one of right arc rack (9), rivet (13), bolt (19), preceding connecting plate (23), nut (24) and split pin (27) composition
Kind axle sleeve extractor, the straight-tooth A(4 of the opposite left arc rack (3) and right arc rack (9) for assembling, capable of opening and closing up)
It is intermeshed with straight-tooth B(8), the lower end of the Inner arc end face of left arc rack (3) and right arc rack (9) is respectively provided with
It is inserted into the saw that axle sleeve (31) are clamped and extracted in the inner hole (30) for the axle sleeve (31) being mounted in the axle sleeve hole (32) of body (33)
The outer end of the left collet (17) and right collet (16) of tooth form, left collet (17) and right collet (16), which is respectively provided with, to clamp and pulls out
The sharp left folder sword (18) and right folder sword (15) being squeezed into when axle sleeve (31) in the wall surface of the hole of the inner hole (30) of axle sleeve (31) out.
Left arc rack (3) and right arc rack (9) are made of alloy tool steel, left arc rack (3) and right circle-arc tooth
The length of the arc rack body of item (9) is respectively greater than by the circle of the Inner arc end face of left arc rack (3) and right arc rack (9)
The a quarter of the length of the annulus gear body for the annulus external tooth wheel that the arc radius of arc radius and outside circle is constituted, left circle-arc tooth
The straight-tooth A(4 of item (3) and right arc rack (9)) and straight-tooth B(8) tooth face hardness be HRC42, left arc rack (3) and the right side
The left collet (17) of arc rack (9) and the hardness of right collet (16) are HRC52.
Smooth circular arc pilot hole A(5 is equipped with along circular arc direction on the arc rack body of left arc rack (3)).
The left upper end of left arc rack (3) is equipped with the cylindrical left handle (1) of integral structure, the radial direction of left handle (1)
Surface border is equipped with uniformly distributed anti-skidding annular knurl A(2).
5~7 uniformly distributed riveted holes A(12 are equipped with along circular arc direction on the arc rack body of right arc rack (9)), right circle
The radial outer end of the front and rear end of arc rack (9) is respectively equipped with preceding connecting plate (23) and rear connecting plate (6).
Preceding connecting plate (23) and rear connecting plate (6) are made of No. 45 steel steel plates, preceding connecting plate (23) and rear connecting plate (6)
The radial outer end of circular arc plate body is respectively equipped with smooth circular arc pilot hole B(7 along circular arc direction), circular arc pilot hole B(7) and Zuo Yuan
Circular arc pilot hole A(5 on the arc rack body of arc rack (3)) shape and size it is identical but direction is on the contrary, circular arc pilot hole B
(7) the outer wall surface of the hole B(14 of circular arc) cooperate when clamping axle sleeve (31) with the outer wall surface of the hole A(20 of the circular arc of circular arc pilot hole A(5))
Can push and be located at circular arc pilot hole A(5) and circular arc pilot hole B(7) in bolt (19) move up.
The radial inner end of the circular arc plate body of preceding connecting plate (23) and rear connecting plate (6) is respectively equipped with integrated knot along circular arc direction
The circular arc protrusive board A(22 protrude backward and forwardly convex of structure) and circular arc protrusive board B(21), circular arc protrusive board A(22) and circular arc it is convex
Plate B(21) protrusion height h be 0.35mm, circular arc protrusive board A(22) and circular arc protrusive board B(21) external arc end face circular arc half
Straight-tooth A(4 of the diameter R2 than left arc rack (3) and right arc rack (9)) and straight-tooth B(8) root circle radius R1 it is small
0.8mm。
The radial inner end and circular arc protrusive board A(22 of the circular arc plate body of preceding connecting plate (23) and rear connecting plate (6)) and circular arc it is convex
Plate B(21) widthwise central along circular arc direction be respectively equipped with 6 on 6 arc rack bodies with right arc rack (9) it is uniformly distributed
Riveted holes A(12) pitch-row and the identical riveted holes B(29 in aperture), 6 rivets (13) be each passed through preceding connecting plate (23) and
6 uniformly distributed riveted holes B(29 on connecting plate (6) afterwards) and right arc rack (9) on 6 uniformly distributed riveted holes A(12) after
On the radial outer end for the front and rear end that preceding connecting plate (23) and rear connecting plate (6) are riveted on right arc rack (9) respectively.
The front end face of the circular arc plate body of the rear end face and rear connecting plate (6) of the circular arc plate body of preceding connecting plate (23) is formed by
The groove width of arc groove (28) is 0.7mm bigger than the thickness of left arc rack (3) and the arc rack body of right arc rack (9), right
Whole straight-tooth B(8 of arc rack (9)) it is located in arc groove (28), as the straight-tooth A(4 of left arc rack (3)) and right circular arc
The straight-tooth B(8 of rack gear (9)) intermeshing when, the part straight-tooth A(4 of left arc rack (3)) be in arc groove (28).
The upper right side of right arc rack (9) is equipped with the cylindrical right handles (10) of integral structure, the diameter of right handles (10)
Uniformly distributed anti-skidding annular knurl B(11 is equipped with to surface border).
The screw rod (25) of bolt (19) front end is each passed through the circular arc pilot hole B on the circular arc plate body of rear connecting plate (6)
(7), the circular arc pilot hole A(5 on the arc rack body of left arc rack (3)) and the circular arc plate body of preceding connecting plate (23) on circle
Arc pilot hole B(7) it is locked together afterwards with nut (24), the screw rod (25) of nut (24) front end is radially equipped with pin hole
(26), it is equipped with the split pin (27) for preventing nut (24) from loosening in pin hole (26), bolt (19) is by left arc rack (3) He Youyuan
Arc rack (9) links together.
The outer diameter of the polished rod of bolt (19) rear end is than the circular arc on the circular arc plate body of preceding connecting plate (23) and rear connecting plate (6)
Pilot hole B(7) hole is wide and the arc rack body of left arc rack (3) on circular arc pilot hole A(5) Kong Kuan little 0.8mm,
When opening left handle (1) and right handles (10), the upper end of left arc rack (3) and right arc rack (9) is opened, left arc rack
(3) close up with the lower end of right arc rack (9), circular arc pilot hole A(5 of the bolt (19) in bolt (19) upper end) circular arc exit orifice
Wall surface A(20) and circular arc pilot hole B(7) the outer wall surface of the hole B(14 of circular arc) promotion under and under the gravity of itself
Circular arc pilot hole A(5) and circular arc pilot hole B(7) in move down, when being lifted up left handle (1) and right handles (10), Zuo Yuan
The upper end of arc rack (3) and right arc rack (9) closes up, and the lower end of left arc rack (3) and right arc rack (9) is opened, spiral shell
Circular arc pilot hole A(5 of the bolt (19) in bolt (19) lower end) the outer wall surface of the hole A(20 of circular arc) and circular arc pilot hole B(7) circular arc
Outer wall surface of the hole B(14) promotion under in circular arc pilot hole A(5) and circular arc pilot hole B(7) in move up.
The utility model proposes specific device working condition be: replacement axle sleeve when, both hands hold left handle and right handles
And open, the upper end of left arc rack and right arc rack is opened, at this moment, the straight-tooth A and right arc rack of left arc rack
The intermeshing position of straight-tooth B move down, the lower end of left arc rack and right arc rack closes up, by left collet and right folder
Head be inserted into the inner hole of the axle sleeve to be dismantled, be lifted up left handle and right handles, at this moment, the straight-tooth A of left arc rack and
The intermeshing position of the straight-tooth B of right arc rack is up moved, and the upper end of left arc rack and right arc rack closes up, Zuo Yuan
The left collet and right collet of arc rack and right arc rack lower end open, in the work for the external force for being lifted up left handle and right handles
Under, the sharp left folder sword in the outer end of left collet and right collet and the right wall surface of the hole for pressing from both sides sword and being squeezed into the inner hole of the axle sleeve to be dismantled
The axle sleeve of the critical disassembly of inner clip, constantly agitates left handle and right handles while being lifted up left handle and right handles above and below,
The axle sleeve to be dismantled can easily and quickly be extracted.
When opening left handle and right handles, the upper end of left arc rack and right arc rack is opened, left arc rack and the right side
The lower end of arc rack closes up, bolt wall surface of the hole A and circular arc pilot hole B outside the circular arc of the circular arc pilot hole A of bolt upper end
To moving down in circular arc pilot hole A and circular arc pilot hole B under the promotion of the outer wall surface of the hole B of circular arc and under the gravity of itself
It is dynamic；When being lifted up left handle and right handles, the upper end of left arc rack and right arc rack closes up, left arc rack and right circle
The lower end of arc rack is opened, the circle of bolt wall surface of the hole A and circular arc pilot hole B outside the circular arc of the circular arc pilot hole A of bolt lower end
It is moved up in circular arc pilot hole A and circular arc pilot hole B under the promotion of the outer wall surface of the hole B of arc.
Claims (4)
1. a kind of axle sleeve extractor, by left arc rack (3), rear connecting plate (6), right arc rack (9), rivet (13), bolt
(19), preceding connecting plate (23), nut (24) and split pin (27) are constituted, it is characterised in that: opposite assembly can open and close up
Left arc rack (3) and right arc rack (9) straight-tooth A(4) and straight-tooth B(8) intermeshing, left arc rack (3) and the right side
The lower end of the Inner arc end face of arc rack (9) is respectively provided with the axis that insertion is mounted in the axle sleeve hole (32) of body (33)
Cover zigzag left collet (17) and the right collet (16) that axle sleeve (31) is clamped and extracted in the inner hole (30) of (31), left collet
(17) it is respectively provided with clamping with the outer end of right collet (16) and is squeezed into the inner hole of axle sleeve (31) when extracting axle sleeve (31)
(30) the sharp left folder sword (18) and right folder sword (15) in wall surface of the hole；
The left arc rack (3) and right arc rack (9) is made of alloy tool steel, left arc rack (3) and right circular arc
The length of the arc rack body of rack gear (9) is respectively greater than by the Inner arc end face of left arc rack (3) and right arc rack (9)
The a quarter of the length of the annulus gear body for the annulus external tooth wheel that the arc radius of arc radius and outside circle is constituted, left circular arc
The straight-tooth A(4 of rack gear (3) and right arc rack (9)) and straight-tooth B(8) tooth face hardness be HRC42~48, left arc rack
(3) and the hardness of the left collet (17) of right arc rack (9) and right collet (16) is HRC50~55.
2. a kind of axle sleeve extractor according to claim 1, it is characterised in that: the arc rack body of left arc rack (3)
On along circular arc direction be equipped with smooth circular arc pilot hole A(5)；
The left upper end of the left arc rack (3) is equipped with the cylindrical left handle (1) of integral structure, the diameter of left handle (1)
Uniformly distributed anti-skidding annular knurl A(2 is equipped with to surface border).
3. a kind of axle sleeve extractor according to claim 1, it is characterised in that: the arc rack body of right arc rack (9)
On along circular arc direction be equipped with 5~7 uniformly distributed riveted holes A(12), the radial outer end of the front and rear end of right arc rack (9) point
It She You not preceding connecting plate (23) and rear connecting plate (6)；
The preceding connecting plate (23) and rear connecting plate (6) is made of No. 45 steel steel plates, preceding connecting plate (23) and rear connecting plate (6)
The radial outer end of circular arc plate body smooth circular arc pilot hole B(7 is respectively equipped with along circular arc direction), circular arc pilot hole B(7) with it is left
Circular arc pilot hole A(5 on the arc rack body of arc rack (3)) shape and size are identical but direction on the contrary, circular arc is oriented to
Hole B(7) the outer wall surface of the hole B(14 of circular arc) when clamping axle sleeve (31) with the circular arc of circular arc pilot hole A(5) wall surface of the hole A(20 outside)
Cooperation can push is located at circular arc pilot hole A(5) and circular arc pilot hole B(7) in bolt (19) move up；
The radial inner end of the circular arc plate body of the preceding connecting plate (23) and rear connecting plate (6) is respectively equipped with one along circular arc direction
The circular arc protrusive board A(22 protrude backward and forwardly convex of structure) and circular arc protrusive board B(21), circular arc protrusive board A(22) and circular arc
Protrusive board B(21) protrusion height h be 0.3~0.5mm, circular arc protrusive board A(22) and circular arc protrusive board B(21) external arc end face
Straight-tooth A(4 of the arc radius R2 than left arc rack (3) and right arc rack (9)) and straight-tooth B(8) root circle radius R1
Small 0.5~1.0mm；
The radial inner end and circular arc protrusive board A(22 of the circular arc plate body of the preceding connecting plate (23) and rear connecting plate (6)) and circular arc
Protrusive board B(21) widthwise central along circular arc direction be respectively equipped on 5~7 arc rack bodies with right arc rack (9) 5~
7 uniformly distributed riveted holes A(12) pitch-row and the identical riveted holes B(29 in aperture), 5~7 rivets (13) connect before being each passed through
5~7 uniformly distributed riveted holes B(29 on fishplate bar (23) and rear connecting plate (6)) and right arc rack (9) on 5~7 it is uniformly distributed
Riveted holes A(12) after preceding connecting plate (23) and rear connecting plate (6) are riveted on to the front and rear ends of right arc rack (9) respectively
Radial outer end on；
The front end face of the circular arc plate body of the rear end face and rear connecting plate (6) of the circular arc plate body of the preceding connecting plate (23) is formed
Arc groove (28) groove width it is bigger by 0.6 than the thickness of left arc rack (3) and the arc rack body of right arc rack (9)~
1.0mm, whole straight-tooth B(8 of right arc rack (9)) it is located in arc groove (28), as the straight-tooth A(4 of left arc rack (3))
When being intermeshed with the straight-tooth B(8 of right arc rack (9)), the part straight-tooth A(4 of left arc rack (3)) it is in arc groove
(28) in；
The upper right side of the right arc rack (9) is equipped with the cylindrical right handles (10) of integral structure, right handles (10)
Radial surface border is equipped with uniformly distributed anti-skidding annular knurl B(11).
4. a kind of axle sleeve extractor according to claim 1, it is characterised in that: the screw rod (25) of bolt (19) front end is respectively
Circular arc pilot hole B(7 on the circular arc plate body of rear connecting plate (6)), the circular arc on the arc rack body of left arc rack (3)
Pilot hole A(5) and the circular arc plate body of preceding connecting plate (23) on circular arc pilot hole B(7) be locked together afterwards with nut (24), spiral shell
The screw rod (25) of female (24) front end is radially equipped with pin hole (26), and the opening for preventing nut (24) from loosening is equipped in pin hole (26)
It sells (27), bolt (19) links together left arc rack (3) and right arc rack (9)；
The outer diameter of the polished rod of described bolt (19) rear end is than the circle on the circular arc plate body of preceding connecting plate (23) and rear connecting plate (6)
Arc pilot hole B(7) hole is wide and the arc rack body of left arc rack (3) on circular arc pilot hole A(5) Kong Kuan little 0.5
~1.0mm, when opening left handle (1) and right handles (10), the upper end of left arc rack (3) and right arc rack (9) is opened,
The lower end of left arc rack (3) and right arc rack (9) closes up, circular arc pilot hole A(5 of the bolt (19) in bolt (19) upper end)
The outer wall surface of the hole A(20 of circular arc) and circular arc pilot hole B(7) circular arc wall surface of the hole B(14 outside) promotion under and in itself weight
In circular arc pilot hole A(5 under power effect) and circular arc pilot hole B(7) it is interior move down, when being lifted up left handle (1) and the right hand
When handle (10), the upper end of left arc rack (3) and right arc rack (9) closes up, left arc rack (3) and right arc rack (9)
Lower end open, circular arc pilot hole A(5 of the bolt (19) in bolt (19) lower end) the outer wall surface of the hole A(20 of circular arc) and circular arc lead
In circular arc pilot hole A(5 under to the promotion of the outer wall surface of the hole B(14 of circular arc of hole B(7))) and circular arc pilot hole B(7) introversion moves up
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750430.5U CN209175673U (en) | 2018-10-27 | 2018-10-27 | A kind of axle sleeve extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750430.5U CN209175673U (en) | 2018-10-27 | 2018-10-27 | A kind of axle sleeve extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209175673U true CN209175673U (en) | 2019-07-30 |
Family
ID=67362262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821750430.5U Active CN209175673U (en) | 2018-10-27 | 2018-10-27 | A kind of axle sleeve extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209175673U (en) |
-
2018
- 2018-10-27 CN CN201821750430.5U patent/CN209175673U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230510 Address after: Room 3983, 7th Floor, Free Trade Building, No. 1 Dongting Road, Free Trade Zone, Dalian City, Liaoning Province, 116000 Patentee after: Dalian Zhenghe Pump Industry Co.,Ltd. Address before: 366200 unit 2, building 1, Nanmen community, Lianfeng Town, Liancheng County, Longyan City, Fujian Province Patentee before: Luo Yun |
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| TR01 | Transfer of patent right |