CN107399339A - A kind of more changing device and replacing system - Google Patents
A kind of more changing device and replacing system Download PDFInfo
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- CN107399339A CN107399339A CN201710778570.7A CN201710778570A CN107399339A CN 107399339 A CN107399339 A CN 107399339A CN 201710778570 A CN201710778570 A CN 201710778570A CN 107399339 A CN107399339 A CN 107399339A
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- changing device
- axle box
- sleeve pipe
- attachment means
- box bearing
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- 230000003137 locomotive effect Effects 0.000 claims abstract description 40
- 230000008859 change Effects 0.000 abstract description 15
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- 239000000725 suspension Substances 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241000909536 Gobiesocidae Species 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
Abstract
The present invention provides a kind of more changing device and changes system.The more changing device is applied to the axle box bearing of railway traction locomotive, including：The T-shaped attachment means 1 being connected with the axle box bearing, the sleeve pipe 2 being set in the T-shaped attachment means 1, and the hoisting wirerope for connection, and the positioning element of clamp 4 set on the first precalculated position of described sleeve pipe 2.More changing device provided by the invention and change system, solve in the prior art be used for change locomotive axle box bearing tool structure volume it is larger and be not easy to the confined space locomotive section carry out operation and by manpower can not complete safely and effectively carry out axle box bearing replacing technical problem.
Description
Technical field
The present invention relates to railway traction locomotive technical field, more particularly to a kind of more changing device and replacing system.
Background technology
China railways traction locomotive mainly has easterly type series cab and Shaoshan type series cab at present, its EEF bogie axle box
Bearing uses domestic bearing, during locomotive traction utilization, can be sent out often because of reasons such as the heating of axle box bearing, vibrations
Raw alarm is, it is necessary to change bearing.
The existing method for changing axle box bearing has two kinds, and one kind is to utilize the aids such as manpower and hydraulic jack, and one
Kind is to use wheel drop mechanism equipment.But because lateral separation of the locomotive axle box assembly away from car body lateral surface reaches 550mm, axle box axle
Hold assembly to weigh 162kg, rushed to repair using manpower and hydraulic jack, not only without operating space, more without the possibility operated,
And it is easy to produce personal injury；Wheel drop mechanism equipment replacement bearing is such as used, then needs to remove motor wheel pair after wheel, so
Axle box bearing to be changed afterwards, and can only just have this equipment in the special place of overhaul producer and locomotive depot, limitation is very strong,
And need to dismount the other auxiliary devices such as the big line of locomotive, ventilator cowling, motor suspension (front overhang, rear overhang), it is more to involve personnel, work
Intensity is big, production cycle length.
Based on this, how fast and effective, simple and easy, the safe and reliable replacing axle box bearing of traction locomotive, have become
Railway use system in need badly to be solved all do not resolve this problem always.
The content of the invention
The present invention provides a kind of more changing device and changes system, to solve to be used to change locomotive axle box bearing in the prior art
Tool structure volume it is larger and be not easy to carry out operation and not completing safety by manpower in the locomotive section of the confined space
Effectively carry out the technical problem of cod replacing.
One aspect of the present invention provides a kind of more changing device, including：The T-shaped being connected with the axle box bearing is connected dress
Put, be set in the sleeve pipe of the T-shaped attachment means, and for connecting hoisting wirerope, and first in described sleeve pipe is pre-
The clamp positioning element of setting is put in positioning.
Alternatively, it is provided with the first positioning hole on the second precalculated position on the afterbody of the T-shaped attachment means；And
The second positioning hole is provided with the 3rd precalculated position of described sleeve pipe；Wherein, first positioning hole and the described second positioning
Hole is corresponding；
Then the more changing device also includes：For inserting first positioning hole and second positioning hole respectively, with reality
Existing described sleeve pipe is set in the alignment pin of the T-shaped attachment means.
Alternatively, be respectively arranged with the both sides on the head of the T-shaped attachment means the first symmetrical screwed hole and
Second screwed hole.
Alternatively, in addition to：
For coordinating with first screwed hole and the second screwed hole, to connect the T-shaped attachment means and the axle
Two bolts of axle box bearing.
Alternatively, the bolt is M20 bolts.
Alternatively, the length of described sleeve pipe is 2000mm.
Alternatively, the cross-sectional diameter of described sleeve pipe is 50mm.
Alternatively, second precalculated position is the at the head 500mm of the T-shaped attachment means the described 3rd
Precalculated position is at the head 500mm of described sleeve pipe.
Alternatively, first precalculated position is at described sleeve pipe left end 550mm.
Another aspect of the present invention provides a kind of replacing system, applied to the axle box bearing of railway traction locomotive, including：More than
Described more changing device, and by the hoisting wirerope, the lifting of more changing device described in the clamp positioning element control
Device.
More changing device provided by the invention and replacing system, applied to the axle box bearing of railway traction locomotive, it includes：With
The T-shaped attachment means that the axle box bearing is connected, the sleeve pipe being set in T-shaped attachment means, and for connecting
The steel wire rope hung, and clamp positioning element is provided with the first precalculated position of the sleeve pipe, thus, connected by the T-shaped
Device is connected with axle box bearing, and by the sleeve pipe being set in the T-shaped attachment means, and the sleeve pipe and the T-shaped
The global facility that attachment means are formed, by the suspension hook hoisting wirerope of hanging apparatus, to realize T-shaped attachment means and
Sleeve pipe is hung to horizontal level, and its entirety is exerted a force, so as to complete the replacing of axle box bearing.Due to the more changing device
It is not only simple in structure, additionally it is possible to realized fast and effeciently by the more changing device, and safety is replaced to axle box bearing, therefore effectively
Ground solve be used to change in the prior art locomotive axle box bearing tool structure volume it is larger and be not easy in the confined space
Locomotive section carries out operation and can not complete safely and effectively to carry out the technical problem of axle box bearing replacing by manpower.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
The structural representation for the more changing device that Fig. 1 is provided by the embodiment of the present invention one；
The structural representation for the more changing device that Fig. 2 is provided by the embodiment of the present invention two；
The structural representation of T-shaped attachment means in the more changing device that Fig. 3 is provided by the embodiment of the present invention three；
The more changing device tee T attachment means and the connected mode signal of sleeve pipe that Fig. 4 is provided by the embodiment of the present invention four
Figure；
The structural representation of upper clip positioning element in the more changing device that Fig. 5 is provided by the embodiment of the present invention five；
The more changing device stress balance schematic diagram that Fig. 6 is provided by the embodiment of the present invention six.
Description of reference numerals：
1- tee T attachment means；
11- tee T attachment means head；
12- tee T attachment means afterbodys；
2- sleeve pipes；
3- hoisting wireropes；
4- clamp positioning elements；
The positioning holes of 5- first；
The positioning holes of 6- second；
7- alignment pins；
The screwed holes of 8- first；
The screwed holes of 9- second
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Wherein, the term on " head ", " afterbody ", "left", "right" etc., it is for describing each structure in the accompanying drawings relative
Position relationship, only understanding for ease of narration, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or
Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable category of the present invention, specifically, " head " is used for representing
The part that T-shaped attachment means connect with assembly of axle box bearings body；" afterbody " is used for representing that T-shaped attachment means and sleeve pipe connect
The part connect；" left side " is used for representing on sleeve pipe close to axle box bearing one end to be replaced；" right side " is used for representing to be set in T-shaped
One end that sleeve pipe exposes in attachment means, or for representing the right orientation of locomotive direction of advance.
In the prior art, in order to change locomotive axle box bearing, mainly using two methods.
First method：Using wheel drop mechanism equipment replacement.Wheel drop mechanism equipment replacement bearing is such as used, can only be in overhaul producer
Just there is this equipment with the special place of locomotive depot, limitation is very strong, and using wheel drop mechanism equipment replacement axle box bearing, it is necessary to same
When to two width wheel pair disengagement wheels of locomotive after, other auxiliary dresses such as the big line of dismounting locomotive, ventilator cowling, motor suspension (front overhang, rear overhang)
Just extensible motor wheel pair is put, then axle box bearing is changed, such mode involves that personnel are more, and labor intensity is big, raw
Cycle length is produced, is not suitable for railway emergency relief.
Second method：Changed using aids such as manpower and hydraulic jacks.Usually, locomotive axle box assembly away from
The lateral separation of car body lateral surface reaches 550mm, can not directly utilize crane gear during dismounting, make assembly of axle box bearings body from axletree
On hang out and hang in, in order to race against time in railway breakdown, the aid such as manpower and hydraulic jack can only be used to be emitted
Dangerous operation, still, because assembly of axle box bearings body weight reaches 162kg, only there is no operating space not only by manpower dismounting, do not have more
The possibility of operation, personnel are easy to produce personal injury in operation.
And more changing device provided by the invention and replacing system, its is simple in construction, easy to operation, therefore, can be effectively
Solve be used to change in the prior art locomotive axle box bearing tool structure volume it is larger and be not easy to the machine in the confined space
Bus or train route section carries out operation and can not complete safely and effectively to carry out the technical problem of axle box bearing replacing by manpower.
Technical scheme is described in detail with specific embodiment below.These specific implementations below
Example can be combined with each other, and may be repeated no more for same or analogous concept or process in some embodiments.
The structural representation for the more changing device that Fig. 1 is provided by the embodiment of the present invention one, as shown in figure 1, the more changing device
Applied to the axle box bearing of railway traction locomotive, it includes：
Tee T attachment means 1, sleeve pipe 2 and clamp positioning element 4.The T-shaped attachment means 1 and the axle box bearing phase
Connection, sleeve pipe 2 are set in T-shaped attachment means.And it is provided with clamp positioning element 4 on the first precalculated position of sleeve pipe 2.
In the present embodiment, more changing device is connected by the T-shaped attachment means in this more changing device with axle box bearing
Connect, and by being set in the T-shaped attachment means sleeve pipe, and the global facility that the sleeve pipe is formed with the T-shaped attachment means,
To realize the suspension hook hoisting wirerope by hanging apparatus, T-shaped attachment means and sleeve pipe are hung to horizontal position with realizing
Put, its entirety is exerted a force, so as to complete the replacing of axle box bearing, more changing device is not only simple in structure due to this, also
It can be realized by the more changing device fast and effeciently, and safety is replaced to axle box bearing, therefore efficiently solve existing skill
The tool structure volume for being used to change locomotive axle box bearing in art is larger and be not easy to be made in the locomotive section of the confined space
Industry and the technical problem that safely and effectively progress cod replacing can not be completed by manpower.
The structural representation for the more changing device that Fig. 2 is provided by the present embodiment two, on the basis of above-mentioned embodiment illustrated in fig. 1
On, as shown in Fig. 2 alternatively, the T-shaped attachment means 1 include head 11 and afterbody 12, and by T-shaped attachment means 1
Head 11 is fastened on assembly of axle box bearings outside in end bolt holes.Sleeve pipe 2 is set in the afterbody of T-shaped attachment means 1
On 12, hoisting wirerope 3 is fixed on sleeve pipe 2 with clamp positioning element 4.
In the present embodiment, the T-shaped attachment means 1 can use 45# Steel materials, need what is changed to ensure to sling
Required rigidity during axle box bearing.In addition, sleeve pipe 2 can use any rigid material, it is alternatively possible to using ordinary steel, with
It is effectively reduced cost of manufacture.
In the present embodiment, for example, the mode of the replacing of axle box bearing is realized by above-mentioned more changing device to be：
When changing axle box bearing, the head 11 of T-shaped attachment means 1 is fastened on end bolt holes on assembly of axle box bearings outside
Interior, sleeve pipe 2 is set on the afterbody 12 of T-shaped attachment means 1, and hoisting wirerope 3 is fixed on into set with clamp positioning element 4
On pipe 2.Hoisting wirerope 3 (is not marked) in figure with suspension hook, can be by manpower when sleeve pipe 2 is hung horizontal level by suspension hook
While force downwards vertical to the right-hand member of sleeve pipe 2, pipe 2 of slowly helping pull a cart to the right, now, crampon moves also while slowly to the right
It is dynamic, so that axle box bearing removes, then suspension hook is fallen, so as to realize the replacing of axle box bearing.
More changing device provided by the invention so that locomotive rescue or it is common face repair, without wheel drop mechanism equipment
In the case of, fast and effective, safe and reliable replacing is carried out to axle box bearing on common line.
Further, can also be in advance by the vertical of locomotive bogie and axle box when dismantling axle box bearing using this more changing device
Distance increase 80-100mm, axle box are taking turns the distance that can stagger to the horizontal direction of axial direction, assembly of axle box bearings with framework side block
Body can remove to axially external face, be filled it is possible thereby to realize and completely dispense with other auxiliary such as the big line of dismounting locomotive and ventilator cowling
Put, it is possible to conveniently dismantle the axle box bearing.
On the basis of above-described embodiment one and embodiment two, present invention also offers the more changing device described in embodiment three
The structure of middle T-shaped attachment means, refer to Fig. 3.
In the present embodiment, the both sides on the head 11 of the T-shaped attachment means 1 are respectively arranged with symmetrical first screw thread
The screwed hole 9 of hole 8 and second.Further, the more changing device can also include two bolts, can be used for respectively by the first screw thread
T-shaped attachment means 1 are fastened on terminal bolt on the assembly of axle box bearings outside for needing to change by the screwed hole 9 of hole 8 and second
In hole so that T-shaped attachment means 1 are fastenedly connected with assembly of axle box bearings body.
Alternatively, the bolt is M20 bolts.
In the present embodiment, can be by a M20 bolt when more changing device is connected with assembly of axle box bearings outside
First screwed hole 8 on one end head 11 for passing through T-shaped attachment means 1 be fastened on the T-shaped attachment means 1 of more changing device
On, end bolt holes are fastened on the external side of assembly of axle box bearings on the assembly of axle box bearings outside that the other end is changed by needs
On face；Likewise, the of the head 11 that another M20 bolt is passed through into T-shaped attachment means 1 with above-mentioned same method, one end
Two screwed holes 9 are fastened in the T-shaped attachment means 1 of more changing device, the assembly of axle box bearings body that the other end is changed by needs
End bolt holes are fastened on assembly of axle box bearings outside on lateral surface.The T-shaped connection dress provided by the present embodiment
Put, when with lifting appliance will more changing device is sling when, can ensure that assembly of axle box bearings body follows more changing device vertical together
Certain altitude is sling, then move right a segment distance, smoothly to change bearing.
Fig. 4 is illustrated by tee T attachment means in more changing device that the embodiment of the present invention four provides and sleeve pipe connection mode
Figure, on the basis of above-described embodiment one to embodiment three, as shown in figure 4, the on the afterbody of the T-shaped attachment means
The first positioning hole 5 is provided with two precalculated positions.Correspondingly, it is provided with the second positioning on the 3rd precalculated position of the sleeve pipe 2
Hole 6, second positioning hole 6 are corresponding with first positioning hole 5.
Alternatively, the first positioning hole 5 opens up on the second precalculated position of the afterbody 12 of the T-shaped attachment means 1, the
Two positioning holes 6 open up on the 3rd precalculated position of the sleeve pipe 2, wherein, the aperture of the first positioning hole 5 and the second positioning hole 6 is big
It is small identical.
In addition, the device can further include the (not shown) of alignment pin 7, the alignment pin 7 is by the more changing device
T-shaped attachment means 1 and sleeve pipe 2 connect, it is convenient when being lifted sleeve pipe 2 with lifting appliance, connected together with T-shaped
Device 1 is sling in the lump.
Alternatively, the first positioning hole 5 on second precalculated position is at a distance of the head of the T-shaped attachment means
At 500mm.The second positioning hole 6 on 3rd precalculated position is at the left end 500mm of described sleeve pipe.The length of the sleeve pipe
For 2000mm, cross-sectional diameter 50mm.
Specifically, when more changing device is connected with assembly of axle box bearings outside, sleeve pipe 2 is set in the T-shaped even
On the afterbody 12 of connection device 1, alignment pin 7 is inserted in the first positioning hole 5 and the second positioning hole 6 simultaneously, so as to which T-shaped is connected
Device 1 and sleeve pipe 2 are connected, and clamp 4 is fixed on the first precalculated position of sleeve pipe 2.The set provided by the present embodiment
Pipe 2, when with lifting appliance will more changing device is sling when, can ensure that assembly of axle box bearings body follows more changing device vertical together
Certain altitude is sling, then move right a segment distance, smoothly to change bearing.
In the present invention, particular location of first positioning hole 5 on the T-shaped afterbody 12 of attachment means 1 does not limit
Fixed, correspondingly, particular location of second positioning hole 6 on the sleeve pipe 2 does not also limit, as long as the first positioning hole 5 is present in
On the T-shaped afterbody 12 of attachment means 1, the second positioning hole 6 is present on sleeve pipe 2, and the second positioning hole 6 and the first positioning hole 5
Position is corresponding, is easy to connect the tee T attachment means 1 of more changing device and sleeve pipe 2 by alignment pin.The set
The sectional area and length of pipe 2 are also not specifically limited, as long as the cross-sectional dimension of sleeve pipe 2, which can guarantee that, is set in T-shaped connection
On device 1, needing, the locomotive position space for changing axle box bearing is sufficiently large, forms the material abundance of sleeve pipe, the
On the premise of one precalculated position is fixed, the length of sleeve pipe 2 is longer, and changing axle box bearing with more changing device provided by the invention more saves
Power.
The structural representation of clamp positioning element in the more changing device that Fig. 5 is provided by the embodiment of the present invention five.
As shown in figure 5, clamp positioning element is provided with the first precalculated position of the more changing device sleeve pipe 2.Alternatively, should
First precalculated position is at sleeve pipe left end 550mm.
In the present invention, particular location of first precalculated position on the sleeve pipe 2 does not limit, as long as ensureing when replacing
When device is sling by lifting appliance, will not encounter needs to change on the outside of the side locomotive casing of axle box bearing, in other factors
When not changing, axle box is changed in the first precalculated position further away from replacing axle box bearing side is needed with more changing device provided by the invention
Bearing is more laborsaving.
Further, Fig. 6 gives the more changing device stress balance schematic diagram that the embodiment of the present invention six is provided, such as Fig. 6
Shown, lifting appliance will be illustrated in figure more to be sling changing device, each position stressing conditions of more changing device after sleeve pipe balance, this implementation
More changing device left end stress is concentrated and is illustrated in sleeve pipe left end by example, and therefore, A points represent more changing device left end stress point in figure；O points
Represent the first precalculated position point on sleeve pipe；B points represent the more changing device right-hand member point of application.
More changing device suspension shaft axle box bearing provided by the invention, and move it to realize using lever principle during right-hand member,
With reference to Fig. 6, the utilization of the present embodiment lever principle will be described in detail below.
As shown in fig. 6, O is the first precalculated position on sleeve pipe, it is balance pivot；F1 is the people that more changing device right-hand member is subject to
It is power for pressure；F is the pulling force that more changing device is provided by lifting appliance；F2 is the axle box axle that more changing device left end is subject to
Bearing capacity, it is resistance；OA is resistance arm, is represented with L2；OB is power arm, is represented with L1.After more changing device lifting balance, entirely
It is zero that device is made a concerted effort in vertical direction, and stress equation is：
F1+F2=F
Equilibrium equation during lever balance is：
F1*L1=F2*L2
It can be obtained by equilibrium equation deformation so that the power of sleeve pipe balance：
F1=(F2*L2)/L1
Wherein, the axle box bearing pressure F2 that more changing device left end is subject to immobilizes, and fulcrum O position is constant, increase set
The length of the length of pipe, i.e. power arm OB increases a variable, is changed into L1+a, then above-mentioned lever balance equation is changed into：
F1 ' * (L1+a)=F2*L2
It can be obtained by equilibrium equation deformation, after the length for increasing sleeve pipe so that the power of sleeve pipe balance：
F1 '=F2*L2/ (L1+a)
Compare the length of sleeve pipe 2 increase before and after so that sleeve pipe balance needed for power F1 and F1 ' value, it is possible to find, in axle box axle
When bearing capacity F2 and fulcrum O position immobilize, increase the length of sleeve pipe 2, that is, increase the value of power arm, change axle box axle
It can reach when holding and save effect firmly.
More changing device provided by the invention so that locomotive rescue or it is common face repair, without wheel drop mechanism equipment
In the case of, fast and effective, safe and reliable replacing is carried out to axle box bearing on common line, further, is more changed the outfit using this
Put, by increasing the length of sleeve pipe, can reach when changing axle box bearing and save effect firmly.
It refer to more changing device stress balance schematic diagram provided by the invention in Fig. 6.
When fulcrum O position is to moving to left a variable a (a>0), then resistance arm OA length is changed into L2-a, power arm OB's
Length is changed into L1+a, then above-mentioned lever balance equation is changed into：
F1 ' * (L1+a)=F2* (L2-a)
It can be obtained by equilibrium equation deformation, after reducing resistance arm so that the power of sleeve pipe balance：
F1 '=[F2* (L2-a)]/(L1+a)
Compare resistance arm reduce before and after so that sleeve pipe balance needed for power F1 and F1 ' value, it is possible to find, in axle box bearing
When pressure F2 is fixed, by fulcrum O position to moving to left, that is, reduce the value of resistance arm, increase the value of power arm, change axle box axle
It can reach when holding and save effect firmly.
More changing device provided by the invention so that locomotive rescue or it is common face repair, without wheel drop mechanism equipment
In the case of, fast and effective, safe and reliable replacing is carried out to axle box bearing on common line, further, is more changed the outfit using this
Put, by moving to left position of first precalculated position on sleeve pipe, can reach when changing axle box bearing and save firmly
Effect.
Present invention also offers the replacing system described in embodiment seven, and it includes the replacing described in above-described embodiment one to six
Device, the more changing device describe similar with above-described embodiment, and here is omitted.
By more changing device provided by the present invention and system is changed, when carrying out axle box bearing replacing especially by following
Several steps are implemented：
Step 1：It is oil-pressure damper, upper and lower pull bar, journal box front cover, positioning seat, axle report line connection spiral shell on lower spring to remove one
Bolt, and remove shock absorber and journal box front cover；
Step 2：Primary spring is compressed, with clamp fixed spring distance；
Step 3：Select the position (locomotive homonymy) of the mandrel seat under framework to push framework with two top pick, make on framework
When rising 100mm, with another 10T oil pressure top pick, spring abutment bottom position pushes axle box under axle box, enables spring when axle box turns to
When enough removing, upper spring is removed from axle box seating, while removes lower pull bar, top pick of coming up, top pick is moved on to spring on axle box
Seat bottom, then axle box is pushed with same method with top pick, axle box is rotated in the opposite direction, instantly lid and positioning seat on spring
Distance when reaching 70-80mm, activity orientation seat and upper connecting rod, positioning seat and lower spring on lower spring are taken out, axle box upper connecting rod mandrel
Pounded out from pedestal jaw with sledgehammer, the line centered on drag link body length direction, mandrel lateral surface upwardly direction, rotating tension bar
90 °, then using two mandrel axis as plane, 90 degree of rotating tension bar body, take out upper connecting rod；
Step 4：By the suspension hook hoisting wirerope of hanging apparatus, T-shaped attachment means and sleeve pipe are hung with realizing
To horizontal level, its entirety is exerted a force, so as to complete the replacing of axle box bearing
Step 5：After more finishing changing bearing, the method reverse according to axle box is hung out, axle box assembly, upper connecting rod, lower spring are pacified
Dress seat, lower spring, upper spring, lower pull bar etc. are assembled successively, and connect all bolts of fastening, and bearing replacing is completed.
More changing device provided by the present invention and system is changed, suitable for all locomotives in addition to DF5 and SS4 vehicles,
It is shock absorber, primary spring, axlebox rod and warning device line to carry out only needing to dismantle side one during axle box bearing replacing, is not required to
The big line of locomotive, ventilator cowling, suspension arrangement (front and rear) are dismantled, the time for dismantling bearing is individual by the 8-10 of original technique
Hour be reduced to 3-4 hours, it would be desirable to personnel be reduced to 3 people by 5 people of original technique, the unit during which involved is by original machine
Between letter is saved only to need bogie car between car workshop, electrical equipment workshop, bogie car, inject capital into and (fall wheel by the 2000000 of original technique
Machine) 500 yuan are reduced to, and possess 100% security.Solve and be used for the frock for changing locomotive axle box bearing in the prior art
Structural volume is larger and is not easy to carry out operation in the locomotive section of the confined space and can not complete safely and effectively to enter by manpower
The technical problem that row cod is changed.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of more changing device, the axle box bearing applied to railway traction locomotive, it is characterised in that including：
The T-shaped attachment means being connected with the axle box bearing, the sleeve pipe of the T-shaped attachment means is set in, and
For connecting hoisting wirerope, and the clamp positioning element set on the first precalculated position of described sleeve pipe.
2. more changing device according to claim 1, it is characterised in that on the afterbody of the T-shaped attachment means
The first positioning hole is provided with two precalculated positions；And it is provided with the second positioning hole on the 3rd precalculated position of described sleeve pipe；Its
In, first positioning hole is corresponding with second positioning hole；
Then the more changing device also includes：For inserting first positioning hole and second positioning hole respectively, to realize
State the alignment pin that sleeve pipe is set in the T-shaped attachment means.
3. more changing device according to claim 1, it is characterised in that in the both sides on the head of the T-shaped attachment means
It is respectively arranged with symmetrical the first screwed hole and the second screwed hole.
4. the more changing device according to claim 1 or 3, it is characterised in that also include：For with first screwed hole and
Second screwed hole coordinates, to connect two bolts of the T-shaped attachment means and the axle box bearing.
5. more changing device according to claim 4, it is characterised in that the bolt is M20 bolts.
6. more changing device according to claim 1, it is characterised in that the length of described sleeve pipe is 2000mm.
7. more changing device according to claim 6, it is characterised in that the cross-sectional diameter of described sleeve pipe is 50mm.
8. more changing device according to claim 7, it is characterised in that second precalculated position is at a distance of the T-shaped
At the head 500mm of attachment means, the 3rd precalculated position is at the left end 500mm of described sleeve pipe.
9. more changing device according to claim 8, it is characterised in that first precalculated position is left at a distance of described sleeve pipe
Hold at 550mm.
10. a kind of replacing system, the axle box bearing applied to railway traction locomotive, it is characterised in that including：Such as claim 1-
More changing device described in 9 any one, and by the hoisting wirerope, more changing device described in the clamp positioning element control
Hanging apparatus.
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