CN207345848U - A kind of more changing device and replacement system - Google Patents
A kind of more changing device and replacement system Download PDFInfo
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- CN207345848U CN207345848U CN201721114354.4U CN201721114354U CN207345848U CN 207345848 U CN207345848 U CN 207345848U CN 201721114354 U CN201721114354 U CN 201721114354U CN 207345848 U CN207345848 U CN 207345848U
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Abstract
The utility model provides a kind of more changing device and replaces system.The more changing device is applied to the axle box bearing of railway traction locomotive, including：The T-shaped attachment device 1 being connected with the axle box bearing, the casing 2 being set in the T-shaped attachment device 1, and the hoisting wirerope for connection, and 4 positioning element of clamp set on the first precalculated position of described sleeve pipe 2.More changing device provided by the utility model and replace system, solve in the prior art be used for replace 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 replacement technical problem.
Description
Technical field
Railway traction locomotive technical field is the utility model is related to, more particularly to a kind of more changing device and replacement 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 fever of axle box bearing, vibrations
Raw alarm is, it is necessary to replace bearing.
The existing method for replacing axle box bearing has two kinds, and one kind is to utilize the auxiliary tools such as manpower and hydraulic jack, and one
Kind is to use wheel drop mechanism equipment.But since lateral separation of the locomotive axle box assembly away from car body lateral surface reaches 550mm, axle box axis
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 replaced 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 practicable, the safe and reliable replacement axle box bearing of traction locomotive, has become
This problem is not all resolved always there is an urgent need for solution in railway uses system.
Utility model content
The utility model provides a kind of more changing device and replaces system, to solve to be used to replace locomotive axle box in the prior art
The tool structure volume of bearing is larger and is not easy to carry out operation in the locomotive section of the confined space and can not be completed by manpower
Safely and effectively carry out the technical problem of cod replacement.
On the one hand the utility model provides a kind of more changing device, including：The T-shaped being connected with the axle box bearing is even
Connection device, is set in the casing of the T-shaped attachment device, and for connecting hoisting wirerope, and the of described sleeve pipe
The clamp positioning element set on one precalculated position.
Alternatively, it is provided with the first location hole on the second precalculated position on the afterbody of the T-shaped attachment device；And
The second location hole is provided with the 3rd precalculated position of described sleeve pipe；Wherein, first location hole and the described second positioning
Hole is corresponding；
Then the more changing device further includes：For being inserted into first location hole and second location hole respectively, with reality
Existing described sleeve pipe is set in the positioning pin of the T-shaped attachment device.
Alternatively, be respectively arranged with the both sides on the head of the T-shaped attachment device the first symmetrical threaded hole and
Second threaded hole.
Alternatively, further include：
For coordinating with first threaded hole and the second threaded hole, to connect the T-shaped attachment device and the axis
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 device 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.
On the other hand the utility model provides a kind of replacement system, applied to the axle box bearing of railway traction locomotive, including：
Above-described more changing device, and by the hoisting wirerope, more changing device described in the clamp positioning element control
Hanging apparatus.
More changing device provided by the utility model and replacement system, applied to the axle box bearing of railway traction locomotive, it is wrapped
Include：The T-shaped attachment device being connected with the axle box bearing, the casing being set in T-shaped attachment device, and for even
The steel wire rope hung is picked up, and clamp positioning element is provided with the first precalculated position of the casing, thus, by the T-shaped
Attachment device is connected with axle box bearing, and by the casing being set in the T-shaped attachment device, and the casing and the fourth
The global facility that font attachment device is formed, by the suspension hook hoisting wirerope of hanging apparatus, is filled T-shaped connection with realizing
Put and hung with casing to horizontal level, exerted a force to its entirety, so as to complete the replacement of axle box bearing.Due to the replacement
Device is not only simple in structure, additionally it is possible to realized fast and effeciently by the more changing device, and safety replaces axle box bearing, therefore
Efficiently solve be used to replace in the prior art locomotive axle box bearing tool structure volume it is larger and be not easy in limited sky
Between locomotive section carry out operation and by manpower can not complete safely and effectively carry out axle box bearing replacement technical problem.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
Put, other attached drawings can also be obtained according to these attached drawings.
The structure diagram for the more changing device that Fig. 1 is provided by the utility model embodiment one；
The structure diagram for the more changing device that Fig. 2 is provided by the utility model embodiment two；
The structure diagram of T-shaped attachment device in the more changing device that Fig. 3 is provided by the utility model embodiment three；
The more changing device tee T attachment device and the connection mode of casing that Fig. 4 is provided by the utility model embodiment four
Schematic diagram；
The structure diagram of upper clip positioning element in the more changing device that Fig. 5 is provided by the utility model embodiment five；
The more changing device stress balance schematic diagram that Fig. 6 is provided by the utility model embodiment six.
Description of reference numerals：
1- tee T attachment devices；
11- tee T attachment devices head；
12- tee T attachment device afterbodys；
2- casings；
3- hoisting wireropes；
4- clamp positioning elements；
The first location holes of 5-；
The second location holes of 6-；
7- positioning pins；
The first threaded holes of 8-；
The second threaded holes of 9-
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Wherein, the term on " head ", " afterbody ", "left", "right" etc., is for describing each structure in the accompanying drawings opposite
Position relationship, only understanding for ease of narration, and be not used to limit the enforceable scope of the utility model, its relativeness changes
Become or adjust, in the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model, specifically, " head "
For representing part that T-shaped attachment device is connected with assembly of axle box bearings body；" afterbody " is used for representing T-shaped attachment device
The part connected with casing；" left side " is used for representing on casing close to axle box bearing one end to be replaced；" right side " is used for representing to be arranged
One end that casing exposes in T-shaped attachment device, or for representing the right orientation of locomotive direction of advance.
In the prior art, in order to replace 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 replaced, 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：Replaced using auxiliary tools such as manpower and hydraulic jacks.Usually, locomotive axle box assembly away from
The lateral separation of car body lateral surface reaches 550mm, and when dismounting can not directly utilize lifting equipment, make assembly of axle box bearings body from axle
On hang out and hang in, in order to race against time in railway breakdown, the auxiliary tool such as manpower and hydraulic jack can only be used to be emitted
Dangerous operation, still, since assembly of axle box bearings weight reaches 162kg, does not only have operating space not only by manpower dismounting, does not have more
The possibility of operation, personnel are easy to produce personal injury in operation.
And more changing device provided by the utility model and replacement system, its is simple in structure, easy to operation, therefore, Ke Yiyou
Effect ground solves larger and be not easy in the confined space for replacing the tool structure volume of locomotive axle box bearing in the prior art
Locomotive section carry out operation and by manpower can not complete safely and effectively carry out axle box bearing replacement technical problem.
The technical solution of the utility model is described in detail with specific embodiment below.These are specific below
Embodiment can be combined with each other, and may be repeated no more for the same or similar concept or process in some embodiments.
The structure diagram for the more changing device that Fig. 1 is provided by the utility model embodiment one, as shown in Figure 1, the replacement
Device is applied to the axle box bearing of railway traction locomotive, it includes：
Tee T attachment device 1, casing 2 and clamp positioning element 4.The T-shaped attachment device 1 and the axle box bearing phase
Connection, casing 2 are set in T-shaped attachment device.And it is provided with clamp positioning element 4 on the first precalculated position of casing 2.
In the present embodiment, more changing device is connected by the T-shaped attachment device in this more changing device with axle box bearing
Connect, and by being set in the T-shaped attachment device casing, and the casing and the global facility of T-shaped attachment device composition,
To realize the suspension hook hoisting wirerope by hanging apparatus, T-shaped attachment device and casing are hung to horizontal position with realizing
Put, exert a force to its entirety, so as to complete the replacement 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 replaces axle box bearing, therefore efficiently solve existing skill
The tool structure volume for being used to replace 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 replacement can not be completed by manpower.
The structure diagram 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, which includes head 11 and afterbody 12, and by T-shaped attachment device 1
Head 11 is fastened on assembly of axle box bearings outside in end bolt holes.Casing 2 is set in the afterbody of T-shaped attachment device 1
On 12, the clamp positioning element 4 of hoisting wirerope 3 is fixed on casing 2.
In the present embodiment, which can use 45# Steel materials, to ensure to sling what is needed replacing
Required rigidity during axle box bearing.In addition, casing 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 replacement of axle box bearing is realized by above-mentioned more changing device to be：
When replacing axle box bearing, the head 11 of T-shaped attachment device 1 is fastened on end bolt holes on assembly of axle box bearings outside
Interior, casing 2 is set on the afterbody 12 of T-shaped attachment device 1, and the clamp positioning element 4 of hoisting wirerope 3 is fixed on set
On pipe 2.Hoisting wirerope 3 (is not marked) in figure with suspension hook, can be by manpower when casing 2 is hung horizontal level by suspension hook
While force downwards vertical to 2 right end of casing, pipe 2 of slowly helping pull a cart to the right, at this time, 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 fulfill the replacement of axle box bearing.
More changing device provided by the utility model so that locomotive rescue or it is common face repair, no wheel drop mechanism is set
In the case of standby, fast and effective, safe and reliable replacement 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 axial horizontal direction, assembly of axle box bearings with framework side block
Body can be removed 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, the utility model additionally provides the replacement described in embodiment three
The structure of T-shaped attachment device, please refers to Fig.3 in device.
In the present embodiment, the both sides on the head 11 of the T-shaped attachment device 1 are respectively arranged with symmetrical first screw thread
8 and second threaded hole 9 of hole.Further, which can also include two bolts, can be used for respectively by the first screw thread
T-shaped attachment device 1 is fastened on terminal bolt on the assembly of axle box bearings outside needed replacing by 8 and second threaded hole 9 of hole
In hole so that T-shaped attachment device 1 is fastenedly connected with assembly of axle box bearings body.
Alternatively, which 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 threaded hole 8 on one end head 11 for passing through T-shaped attachment device 1 be fastened on the T-shaped attachment device 1 of more changing device
On, the other end is fastened on the external side of assembly of axle box bearings by end bolt holes on the assembly of axle box bearings outside that needs replacing
On face；Likewise, the of the head 11 that another M20 bolt is passed through into T-shaped attachment device 1 with above-mentioned same method, one end
Two threaded holes 9 are fastened in the T-shaped attachment device 1 of more changing device, and the other end passes through the assembly of axle box bearings body that needs replacing
End bolt holes are fastened on assembly of axle box bearings outside on lateral surface.The T-shaped connection dress provided through this 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 distance, smoothly to replace bearing.
Tee T attachment device and casing connection mode in the more changing device that Fig. 4 is provided by the utility model embodiment four
Schematic diagram, on the basis of above-described embodiment one to embodiment three, as shown in figure 4, on the afterbody of the T-shaped attachment device
The second precalculated position on be provided with the first location hole 5.Correspondingly, it is provided with second on the 3rd precalculated position of the casing 2
Location hole 6, second location hole 6 are corresponding with first location hole 5.
Alternatively, the first location hole 5 opens up on the second precalculated position of the afterbody 12 of the T-shaped attachment device 1, the
Two location holes 6 open up on the 3rd precalculated position of the casing 2, wherein, the aperture of the first location hole 5 and the second location hole 6 is big
It is small identical.
In addition, the device can further include 7 (not shown) of positioning pin, the positioning pin 7 is by the more changing device
T-shaped attachment device 1 and casing 2 connect, it is convenient when being lifted casing 2 with lifting appliance, connected together with T-shaped
Device 1 is sling in the lump.
Alternatively, the first location hole 5 on second precalculated position is at a distance of the head of the T-shaped attachment device
At 500mm.The second location hole 6 on 3rd precalculated position is at the left end 500mm of described sleeve pipe.The length of the casing
For 2000mm, cross-sectional diameter 50mm.
Specifically, when more changing device is connected with assembly of axle box bearings outside, casing 2 is set in the T-shaped even
On the afterbody 12 of connection device 1, positioning pin 7 is inserted into the first location hole 5 and the second location hole 6 at the same time, so as to which T-shaped is connected
Device 1 and casing 2 connect, and clamp 4 is fixed on the first precalculated position of casing 2.The set provided through this 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 distance, smoothly to replace bearing.
In the utility model, specific location of first location hole 5 on 1 afterbody 12 of T-shaped attachment device is not done
Limit, correspondingly, specific location of second location hole 6 on the casing 2 does not also limit, as long as the first location hole 5 exists
In on T-shaped 1 afterbody 12 of attachment device, the second location hole 6 is present on casing 2, and the second location hole 6 and the first location hole 5
Position it is corresponding, easy to which the tee T attachment device 1 of more changing device and casing 2 are connected by positioning pin.Should
The sectional area and length of casing 2 are also not specifically limited, as long as the cross-sectional dimension of casing 2, which can guarantee that, is set in the T-shaped even
It is sufficiently large in the locomotive position space for needing replacing axle box bearing on connection device 1, the material abundance of casing is formed,
On the premise of first precalculated position is fixed, the length of casing 2 is longer, and axle box axis is replaced with more changing device provided by the utility model
Hold more laborsaving.
The structure diagram of clamp positioning element in the more changing device that Fig. 5 is provided by the utility model embodiment five.
As shown in figure 5, clamp positioning element is equipped with the first precalculated position of the more changing device casing 2.Alternatively, should
First precalculated position is at casing left end 550mm.
In the utility model, specific location of first precalculated position on the casing 2 does not limit, as long as ensureing to work as
When more changing device is sling by lifting appliance, it will not encounter and need replacing on the outside of the side locomotive babinet of axle box bearing, at other
When factor does not change, the first precalculated position is further away from axle box bearing side is needed replacing, with more changing device provided by the utility model
It is more laborsaving to replace axle box bearing.
Further, Fig. 6 gives the more changing device stress balance schematic diagram that the utility model embodiment six is provided, such as
Lifting appliance will be illustrated shown in Fig. 6, in figure more to be sling changing device, each position stressing conditions of more changing device after casing balance, this
More changing device left end stress is concentrated and is illustrated in casing left end by embodiment, and therefore, A points represent more changing device left end stress in figure
Point；O points represent the first precalculated position point on casing；B points represent the more changing device right end point of application.
More changing device suspension shaft axle box bearing provided by the utility model, and move it to real using lever principle during right end
It is existing, 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 casing, it is balance pivot；F1 is the people that more changing device right end is subject to
It is power for pressure；F is the pulling force that more changing device is subject to lifting appliance to provide；F2 is the axle box axis that more changing device left end is subject to
Bearing capacity, 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 casing balance：
F1=(F2*L2)/L1
Wherein, the axle box bearing pressure F2 that more changing device left end is subject to immobilizes, and the position of fulcrum O 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 casing so that the power of casing balance：
F1 '=F2*L2/ (L1+a)
Compare 2 length of casing increase before and after so that casing balance needed for power F1 and F1 ' value, it is possible to find, in axle box axis
When the position of bearing capacity F2 and fulcrum O immobilize, increase the length of casing 2, that is, increase the value of power arm, replace axle box axis
It can reach when holding and save effect firmly.
More changing device provided by the utility model so that locomotive rescue or it is common face repair, no wheel drop mechanism is set
In the case of standby, fast and effective, safe and reliable replacement is carried out to axle box bearing on common line, further, using this more
Changing device, by increasing the length of casing, can reach when replacing axle box bearing and save effect firmly.
It refer to more changing device stress balance schematic diagram provided by the utility model in Fig. 6.
When the position of fulcrum O is to moving to left a variable a (a>0), then the length of resistance arm OA 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 casing balance：
F1 '=[F2* (L2-a)]/(L1+a)
Compare resistance arm reduce before and after so that casing balance needed for power F1 and F1 ' value, it is possible to find, in axle box bearing
When pressure F2 is fixed, by the position of fulcrum O to moving to left, that is, reduce the value of resistance arm, increase the value of power arm, replace axle box axis
It can reach when holding and save effect firmly.
More changing device provided by the utility model so that locomotive rescue or it is common face repair, no wheel drop mechanism is set
In the case of standby, fast and effective, safe and reliable replacement is carried out to axle box bearing on common line, further, using this more
Changing device, by moving to left position of first precalculated position on casing, saving can be reached when replacing axle box bearing and is used
The effect of power.
The utility model additionally provides the replacement system described in embodiment seven, it is included described in above-described embodiment one to six
More changing device, the more changing device describe similar with above-described embodiment, and details are not described herein again.
By more changing device provided by the utility model and replace system, when carrying out axle box bearing replacement especially by
Following steps are implemented：
Step 1：It is oil-pressure damper, upper and lower pull rod, journal box front cover, positioning seat, axis report line connection spiral shell on lower spring to remove one
Bolt, and remove damper 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 rod, top pick, is moved on to spring on axle box by top pick of coming up
Seat bottom, then axle box is pushed with same method with top pick, axle box is rotated in the opposite direction, instantly spring upper cover and positioning seat
Distance when reaching 70-80mm, activity orientation seat and upper connecting rod, take out positioning seat and lower spring on lower spring, 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, takes out upper connecting rod；
Step 4：By the suspension hook hoisting wirerope of hanging apparatus, T-shaped attachment device and casing are hung with realizing
To horizontal level, exert a force to its entirety, so as to complete the replacement of axle box bearing
Step 5：After more finishing changing bearing, the method reverse according to axle box is hung out, pacifies axle box assembly, upper connecting rod, lower spring
Dress seat, lower spring, upper spring, lower pull rod etc. assemble successively, and connect all bolts of fastening, and bearing replacing is completed.
More changing device provided by the utility model and replacement system, it is organic suitable for the institute in addition to DF5 and SS4 vehicles
Car, it is that damper, primary spring, axlebox rod and warning device connect that dismounting side one is only needed when carrying out axle box bearing replacement
Line, it is not necessary to dismantled to the big line of locomotive, ventilator cowling, suspension arrangement (front and rear), the time of bearing will be dismantled by original technique
8-10 hour be reduced to 3-4 it is small when, it would be desirable to personnel be reduced to 3 people by 5 people of original technique, the unit during which involved by
Between letter is saved only to need bogie car between original locomotive workshop, electric appliance workshop, bogie car, inject capital into by original technique
2000000 (wheel drop mechanisms) are reduced to 500 yuan, and possess 100% security.Solve and be used to replace locomotive axle box in the prior art
The tool structure volume of bearing is larger and is not easy to carry out operation in the locomotive section of the confined space and can not be completed by manpower
Safely and effectively carry out the technical problem of cod replacement.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
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 device being connected with the axle box bearing, is set in the casing of the T-shaped attachment device, 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 the on the afterbody of the T-shaped attachment device
The first location hole is provided with two precalculated positions；And it is provided with the second location hole on the 3rd precalculated position of described sleeve pipe；Its
In, first location hole is corresponding with second location hole；
Then the more changing device further includes：For being inserted into first location hole and second location hole respectively, to realize
State the positioning pin that casing is set in the T-shaped attachment device.
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 device
It is respectively arranged with symmetrical the first threaded hole and the second threaded hole.
4. the more changing device according to claim 1 or 3, it is characterised in that further include：For with first threaded hole and
Second threaded hole coordinates, to connect two bolts of the T-shaped attachment device 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 2, it is characterised in that second precalculated position is at a distance of the T-shaped
At the head 500mm of attachment device, 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 replacement system, the axle box bearing applied to railway traction locomotive, it is characterised in that including：Such as claim 1-
9 any one of them more changing device, and by the hoisting wirerope, more changing device described in the clamp positioning element control
Hanging apparatus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721114354.4U CN207345848U (en) | 2017-09-01 | 2017-09-01 | A kind of more changing device and replacement system |
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| CN201721114354.4U CN207345848U (en) | 2017-09-01 | 2017-09-01 | A kind of more changing device and replacement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399339A (en) * | 2017-09-01 | 2017-11-28 | 中车兰州机车有限公司 | A kind of more changing device and replacing system |
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2017
- 2017-09-01 CN CN201721114354.4U patent/CN207345848U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399339A (en) * | 2017-09-01 | 2017-11-28 | 中车兰州机车有限公司 | A kind of more changing device and replacing system |
| CN107399339B (en) * | 2017-09-01 | 2023-11-21 | 中车兰州机车有限公司 | Replacement device and replacement system |
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