CN106638753A - Central hinging spacer, central hinging device, mechanical equipment and spacer disassembling method - Google Patents
Central hinging spacer, central hinging device, mechanical equipment and spacer disassembling method Download PDFInfo
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- CN106638753A CN106638753A CN201510443018.3A CN201510443018A CN106638753A CN 106638753 A CN106638753 A CN 106638753A CN 201510443018 A CN201510443018 A CN 201510443018A CN 106638753 A CN106638753 A CN 106638753A
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- spacer
- central
- hinged
- central authorities
- articulated mounting
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Abstract
The invention discloses a central hinging spacer, a central hinging device, mechanical equipment and a spacer disassembling method, relates to the field of engineering machinery, and aims to solve the problem that a conventional central hinging spacer is difficult to disassemble. The central hinging spacer disclosed by the invention comprises a spacer body, wherein an inward-concave part used for mounting of a pressing part is formed in the inner wall of the spacer body. According to the central hinging spacer provided by the above technical scheme, the own inward-concave part of a central hinging pin shaft can be utilized for being combined with an elastic baffle ring, thereby achieving the disassembling process; the inward-concave part formed in the inner wall of the spacer body is easy to machine; and accordingly, the central hinging spacer is convenient to disassemble and easy to maintain.
Description
Technical field
The present invention relates to engineering machinery field, and in particular to a kind of central authorities are hinged spacer, central authorities' hinge
Connection device, plant equipment and disassembling spacer bush method.
Background technology
The front frame and Rear frame of loading machine and underground carry scraper constitutes pivotally connected frame, and central authorities are hinged
Device is unique attachment means between front frame and Rear frame.In overall operation and operation,
Central articulated mounting is born before being produced by operating modes such as acceleration, operation, braking, operation, steerings
The load such as rear direction, second direction, rotation, the operation characteristic with low speed, heavy duty.Central authorities
Articulated mounting is by the bearing on central hinging pin shaft, spacer, hinging pin shaft and by swivel pin
Front frame hinged seat and Rear frame hinged seat composition that axle is coupled to each other.This structure both can hold
By radial load, axial force can be born again, bearing wear certain limit internal clearance is adjustable, keep
In front and back frame be articulated and connected it is in good condition, improve equipment dependability, application it is very extensive.At present this
Planting the axial restraint of central articulated mounting needs to be fixed by spacer, to improve bearing life,
Spacer effect is very big, and because of the reason such as stress during use, spacer is easily deformed, in maintenance
Dismantle this central articulated mounting spacer to be difficult to dismantle
Specifically, it is in terms of central articulated structure at present to adopt taper roll bearing formula and ball more
Hinge formula, as depicted in figs. 1 and 2.In both articulated structures, front frame 7 is hinged plate hole
Built with the effect that bearing 2, bearing cap 5,8 pass through bolt 4, bearing 2 is fixed on and is hinged
In hole, bearing clearance can be adjusted by adjusting pad 6.Bolt 4 passes through front frame 7.For
Effectively prevent external dust from entering Bearing inner, sealing ring 3 is housed in bearing upper and lower ends, under
Cover plate 9 is by the effect of bolt 10 by the inner ring of bearing 2, spacer 11 and the upper plate of Rear frame 1
Lower plane tightly fits together.The role in central articulated structure of spacer 11 is mainly fixed
Position bearing inner race, prevents bearing axial float, and its structure is referring to the spacer 11 in Fig. 3.Producing
In product maintenance, when dismounting central authorities articulated structure is needed, need to take out spacer 11.Because using
The reason such as stress in journey, spacer 11 is easily deformed, and is typically difficult to pull down.Existing technology be
The end face thread mill drilling of spacer 11, is dismantled using disassembling spacer bush device.
As shown in figure 3, patent No. CN202726837U discloses a kind of disassembling spacer bush device,
It includes steel plate 14, fixing bolt 15 and rises to pull out bolt 16.It in steel plate 14 in the heart
Be provided with one rise pull out bolt 16, rise pull out bolt 16 outside it is symmetrical be provided with two fixed spiral shells
Bolt 15, spacer 11 is enclosed within spindle nose 12, and spacer 11 is provided with two screw holes and steel plate 14
Upper two fixing bolts 15 are engaged.When spacer 11 is unloaded down from spindle nose 12, need
To bore on spacer 11 two with the corresponding screw hole of fixing bolt 15, by steel plate 14 with fix
Bolt 15 is fixed on spacer 11, has then been rotated and has been pulled out bolt 16 so as to top to spindle nose 12
On, make two fixing bolts 15 produce the power for being pulled outwardly workpiece, rise and pull out bolt 16 and produce inwards
The power of apical axis head, realizes smoothly tearing open so as to spindle nose 12 and spacer 11 form a reciprocal power
Unload.
Inventor has found at least there are following problems in prior art：
(1), this shaft sleeve detaching device requires spacer appearance and size higher, it is desirable to spacer
Wall thickness must be fulfilled for thread mill drilling.If spacer profile is larger, central articulated mounting size
Can therewith become big, thus there is huge structure, the shortcomings of service clearance is narrow and small.
(2) special dismounting frock need to be made when, axle sleeve is dismantled, tool structure is relative complex, deposits
The shortcomings of difficulty, storage inconvenience is disassembled.
The content of the invention
One of purpose of the present invention be propose a kind of central authorities be hinged spacer, central articulated mounting,
Plant equipment and disassembling spacer bush method, the dismounting of spacer is hinged to simplify central authorities.
For achieving the above object, the invention provides technical scheme below：
The invention provides a kind of central authorities are hinged spacer, including spacer body, the spacer body
Inwall on offer female parts for installing pressing piece.
Central authorities as above are hinged spacer, it is preferred that the female parts are cannelure.
Central authorities as above are hinged spacer, it is preferred that the edge of the reversing groove is arranged
There is chamfering.
Central authorities as above are hinged spacer, it is preferred that the cannelure is located at the spacer
The middle of body axial direction.
Central authorities as above are hinged spacer, it is preferred that the pressing piece is circlip.
The present invention also provides a kind of central articulated mounting, and it includes arbitrary technical scheme institute of the invention
The central authorities of offer are hinged spacer.
The present invention provides again a kind of plant equipment, and it includes that arbitrary technical scheme of the invention is provided
Central articulated mounting.
The present invention provides a kind of disassembling spacer bush method again, and the spacer is on central articulated mounting
Central authorities are hinged spacer, and its method comprises the steps：
The lower cover dismantled on the central articulated mounting；
The central hinging pin shaft sling on the central articulated mounting, until exposing central authorities' hinge
Connect the female parts inside spacer；
Pressing piece is installed in the female parts；
The central hinging pin shaft is pressed on the pressing piece, until the central authorities are hinged spacer
It is displaced downwardly to and front frame and Rear frame is departed from；
Remove the central authorities and be hinged spacer.
Disassembling spacer bush method as above, it is preferred that the central authorities of slinging are hinged dress
The central hinging pin shaft put, until exposing the inner fovea part subpackage that the central authorities are hinged inside spacer
Include：
Disassemble the bolt on the upper cover plate of the central articulated mounting；
While the sling upper cover plate and the central hinging pin shaft, until exposing central authorities' hinge
Connect the female parts inside spacer.
Based on above-mentioned technical proposal, the embodiment of the present invention can at least produce following technique effect：
The central authorities that above-mentioned technical proposal is provided are hinged spacer, can utilize central hinging pin shaft itself
Female parts, are dismantled with reference to circlip；Female parts are easy to process so that spacer side
Just dismounting, for ease of maintenaince.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application
A part, the schematic description and description of the present invention is used to explain the present invention, not structure
Into inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation one of underground carry scraper central authorities articulated mounting in prior art；
Fig. 2 is the structural representation two of underground carry scraper central authorities articulated mounting in prior art；
Fig. 3 is the structural representation of the shaft sleeve detaching device disclosed in prior art；
Fig. 4 is hinged the structural representation of spacer for the central authorities that one embodiment of the invention is provided；
Fig. 5 is hinged signal of the spacer in installment state for the central authorities that one embodiment of the invention is provided
Figure；
The schematic flow sheet of the disassembling spacer bush method that Fig. 6 is provided for another embodiment of the present invention.
Specific embodiment
The technical scheme that the present invention is provided is explained in more detail with reference to Fig. 4～Fig. 6
State.
One embodiment of the invention provides a kind of central authorities and is hinged spacer, or referred to as spacer.The spacer
The central authorities being specifically as follows on loading machine and underground carry scraper are hinged spacer.
The central authorities are hinged spacer including spacer body 20, offer on the inwall of spacer body 20
For installing the female parts 201 of pressing piece.
Female parts 201 are such as cannelure, semi-annular slot, counterbore etc., the structure of pressing piece
With the structure matching of female parts 201 so that pressing piece is installed in female parts 201
Afterwards, energy exposed portion structure, so that subsequently can be to pressing piece time pressure or pulling force.
The central authorities that above-mentioned technical proposal is provided are hinged spacer, can be using central hinging pin shaft 24 itself
Female parts 201, dismantled with reference to circlip 27；Female parts 201 are easy to process,
So that the convenient dismounting of spacer, for ease of maintenaince.
In the present embodiment specifically, female parts 201 are cannelure.
Pressing piece is specifically as follows circlip 27, and circlip 27 is easily installed cannelure
In.It should be noted that after circlip 27 is arranged in cannelure, should there is part-structure
Expose outside cannelure, so that subsequently can exert a force to circlip 27.Specifically, may be used
With the size of the annular section by arranging circlip 27 so that the ring part of circlip 27
The size divided is more than the depth of cannelure, to meet above-mentioned requirements.Certainly, it is not limited to above-mentioned reality
Existing mode.
Further, the edge of reversing groove is provided with chamfering, so that circlip 27 is more square
Just install, and central hinging pin shaft 24 acts on power on spacer evenly, guard block.
Cannelure is particularly located at the middle of the axial direction of spacer body 20.
The central authorities that above-mentioned technical proposal is provided are hinged axle sleeve, and structure is as shown in Figure 4.On the spacer
Processing cannelure, distance of the cannelure apart from spacer lower surface is moderate, and cannelure outside will fall
Seamed edge.The purpose of cannelure is processed in order to install circlip 27.The central jointed shaft set has
Following advantages：
(1), disassembling spacer bush operation is simple, reliable, to part of appliance not damaged, it is not necessary to volume
Outer increase instrument can be completed, and maintenance cost is low, relatively low to field requirement.
(2), spacer is extruded using the bearing pin and circlip 27 of central articulated mounting itself,
Shorten maintenance time, improve the maintenance efficiency of car load.
(3) when, dismantling axle sleeve, operate from the upper end of central articulated mounting, operating space is big.
(4), disassembling spacer bush operation is reliable, and to part of appliance not damaged, maintenance cost is low.
The embodiment of the present invention provides again a kind of central articulated mounting, and it includes arbitrary technology of the invention
The central authorities that scheme is provided are hinged spacer.
The embodiment of the present invention also provides a kind of plant equipment, and it includes arbitrary technical scheme of the invention
The central articulated mounting for being provided.
The plant equipment is specifically as follows loading machine, underground carry scraper.
Referring to Fig. 6, another embodiment of the present invention also provides a kind of disassembling spacer bush method, and spacer is
Central authorities on central articulated mounting are hinged spacer, and the spacer preferably adopts above-mentioned any technical scheme
The spacer for being provided.The disassembling spacer bush method comprises the steps：
Step S1, the lower cover dismantled on central articulated mounting.First disassemble the spiral shell on lower cover
Bolt, then takes away lower cover.
Step S2, the central hinging pin shaft sling on central articulated mounting, until exposing central hinge
Connect the female parts inside spacer.
In step s 2, central hinging pin shaft and upper cover plate can together be sling；Or first will
Upper cover plate is dismantled, central hinging pin shaft of then individually slinging.Comparatively former mode more saves
When.Its detailed process is as follows：Disassemble the bolt on the upper cover plate of central articulated mounting；
While sling upper cover plate and central hinging pin shaft, until expose central authorities being hinged inside spacer
Female parts.
Step S3, pressing piece is installed in female parts.The description of female parts and pressing piece can
See above, here is omitted.
Step S4, central hinging pin shaft is pressed on pressing piece, until central authorities are hinged spacer and move down
Extremely front frame and Rear frame are departed from.
Central hinging pin shaft is pressed on pressing piece, central authorities is hinged with spacer by pressing piece and applies pressure
Power, the pressure forces central authorities to be hinged spacer to come off, and so far completes the dismounting that central authorities are hinged spacer.
Hold above-mentioned, if upper cover plate and central hinging pin shaft are sling simultaneously, then pushing pressing
During part, also upper cover plate and central hinging pin shaft can be pressed on pressing piece under simultaneously, specifically
Step S4 includes：Upper cover plate and central hinging pin shaft are pressed on pressing piece simultaneously；Continue to push
Pressing piece, until central authorities are hinged spacer and move down into certain position, so that front frame and rear car
Frame can depart from.
Step S5, remove central authorities and be hinged spacer.After front frame and Rear frame are departed from, can be with
Downwards hit centre is hinged spacer to take any easily force-applying piece, until central authorities are hinged spacer and come off.
Said method is described in further detail with reference to Fig. 5 and Fig. 6.In to dismantle ball-and-socket hinge style
Centre is hinged as a example by spacer, and as shown in Figure 5 and Figure 6, demounting procedure is as follows：
First, bolt 21,26 and bottom end cover 25 are pulled down, is sling upper lid by hole for hoist 22
Plate 23 and central hinging pin shaft 24.
Secondly, when central hinging pin shaft 24 is sling to sufficiently high position, by circlip
27 are installed in the cannelure of spacer 20 from spacer lower end.
Finally, central hinging pin shaft 24 is pressed downward, forces spacer 20 to exit.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ",
" horizontal ", "front", "rear", "left", "right", " vertical ", " level ",
The orientation or position relationship of the instruction such as " top ", " bottom ", " interior ", " outward " is based on attached
Orientation or position relationship shown in figure is only for ease of the description present invention and simplifies description, and not
Be indicate or infer indication device or element must have specific orientation, for specific orientation
Construction and operation, thus it is not intended that the restriction to present invention protection content.
If the words such as " first ", " second " are used herein to limit parts,
Those skilled in the art should know：The use of " first ", " second " is just for the sake of just
In the description present invention and simplified description, such as without stating in addition, it is special that above-mentioned word does not have
Implication.
Finally it should be noted that:Above example only illustrating technical scheme and
It is non-that it is limited；It is affiliated although being described in detail to the present invention with reference to preferred embodiment
The those of ordinary skill in field should be understood：Still the specific embodiment of the present invention can be entered
Row modification carries out equivalent to some technical characteristics；Without deviating from technical solution of the present invention
Spirit, it all should cover in the middle of the technical scheme scope being claimed in the present invention.
Claims (9)
1. a kind of central authorities are hinged spacer, it is characterised in that including spacer body, the spacer sheet
The female parts for installing pressing piece are offered on the inwall of body.
2. central authorities according to claim 1 are hinged spacer, it is characterised in that the indent
Part is cannelure.
3. central authorities according to claim 2 are hinged spacer, it is characterised in that the commutation
The edge of groove is provided with chamfering.
4. the central authorities according to Claims 2 or 3 are hinged spacer, it is characterised in that described
Cannelure is located at the middle of the spacer body axial direction.
5. spacer is hinged according to claim 1-3 arbitrary described central authorities, it is characterised in that institute
Pressing piece is stated for circlip.
6. a kind of central articulated mounting, it is characterised in that arbitrary described including claim 1-5
Central authorities be hinged spacer.
7. a kind of plant equipment, it is characterised in that be hinged including the central authorities described in claim 6
Device.
8. a kind of disassembling spacer bush method, the spacer be the central authorities on central articulated mounting be hinged every
Set, it is characterised in that comprise the steps：
The lower cover dismantled on the central articulated mounting；
The central hinging pin shaft sling on the central articulated mounting, until exposing central authorities' hinge
Connect the female parts inside spacer；
Pressing piece is installed in the female parts；
The central hinging pin shaft is pressed on the pressing piece, until the central authorities are hinged spacer
It is displaced downwardly to and front frame and Rear frame is departed from；
Remove the central authorities and be hinged spacer.
9. disassembling spacer bush method according to claim 8, it is characterised in that described to sling
Central hinging pin shaft on the central articulated mounting, until expose the central authorities being hinged in spacer
The female parts in portion include：
Disassemble the bolt on the upper cover plate of the central articulated mounting；
While the sling upper cover plate and the central hinging pin shaft, until exposing central authorities' hinge
Connect the female parts inside spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510443018.3A CN106638753B (en) | 2015-07-24 | 2015-07-24 | Central hinged spacer, central hinged device, mechanical equipment and spacer dismounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510443018.3A CN106638753B (en) | 2015-07-24 | 2015-07-24 | Central hinged spacer, central hinged device, mechanical equipment and spacer dismounting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106638753A true CN106638753A (en) | 2017-05-10 |
| CN106638753B CN106638753B (en) | 2022-08-12 |
Family
ID=58815092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510443018.3A Active CN106638753B (en) | 2015-07-24 | 2015-07-24 | Central hinged spacer, central hinged device, mechanical equipment and spacer dismounting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106638753B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1588540A1 (en) * | 1988-09-07 | 1990-08-30 | Сибирский Филиал Центрального Опытно-Конструкторского Технологического Бюро Государственного Всесоюзного Научно-Исследовательского Технологического Института Ремонта И Эксплуатации Машинно-Тракторного Парка | Arrangement for pressing out bushes |
| JP2001071279A (en) * | 1999-07-02 | 2001-03-21 | Makoto Niimi | Bush changing tool |
| CN202726837U (en) * | 2012-04-26 | 2013-02-13 | 咸阳际华新三零印染有限公司 | Withdrawal tool for shaft sleeve |
| CN202913445U (en) * | 2012-10-21 | 2013-05-01 | 广西柳工机械股份有限公司 | Hinge device of loader |
| CN205000387U (en) * | 2015-07-24 | 2016-01-27 | 徐工集团工程机械股份有限公司 | Central authorities articulated spacer, central articulated mounting and mechanical equipment |
-
2015
- 2015-07-24 CN CN201510443018.3A patent/CN106638753B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1588540A1 (en) * | 1988-09-07 | 1990-08-30 | Сибирский Филиал Центрального Опытно-Конструкторского Технологического Бюро Государственного Всесоюзного Научно-Исследовательского Технологического Института Ремонта И Эксплуатации Машинно-Тракторного Парка | Arrangement for pressing out bushes |
| JP2001071279A (en) * | 1999-07-02 | 2001-03-21 | Makoto Niimi | Bush changing tool |
| CN202726837U (en) * | 2012-04-26 | 2013-02-13 | 咸阳际华新三零印染有限公司 | Withdrawal tool for shaft sleeve |
| CN202913445U (en) * | 2012-10-21 | 2013-05-01 | 广西柳工机械股份有限公司 | Hinge device of loader |
| CN205000387U (en) * | 2015-07-24 | 2016-01-27 | 徐工集团工程机械股份有限公司 | Central authorities articulated spacer, central articulated mounting and mechanical equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106638753B (en) | 2022-08-12 |
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