CN107399339B - Replacement device and replacement system - Google Patents
Replacement device and replacement system Download PDFInfo
- Publication number
- CN107399339B CN107399339B CN201710778570.7A CN201710778570A CN107399339B CN 107399339 B CN107399339 B CN 107399339B CN 201710778570 A CN201710778570 A CN 201710778570A CN 107399339 B CN107399339 B CN 107399339B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- axle box
- box bearing
- shaped connecting
- replacement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003137 locomotive effect Effects 0.000 claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group 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 claims description 3
- 238000000034 method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 230000008439 repair process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 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
- 229910000975 Carbon steel Inorganic materials 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
- 230000009467 reduction 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention provides a replacement device and a replacement system. The replacement device is applied to an axle box bearing of a railway traction locomotive and comprises: the device comprises a T-shaped connecting device 1 connected with the axle box bearing, a sleeve 2 sleeved on the T-shaped connecting device 1, a hoisting steel wire rope used for connection, and a clip 4 positioning component arranged at a first preset position of the sleeve 2. The replacing device and the replacing system provided by the invention solve the technical problems that the tool structure for replacing the axle box bearing of the locomotive in the prior art has larger volume, is inconvenient to operate on a locomotive road section with limited space, and can not safely and effectively replace the axle box bearing by manpower.
Description
Technical Field
The invention relates to the technical field of railway traction locomotives, in particular to a replacement device and a replacement system.
Background
At present, the rail traction locomotives in China mainly comprise an east wind type series locomotive and a shaoshan type series locomotive, the axle box bearings of the running part of the rail traction locomotives are all domestic bearings, and in the traction application process of the locomotives, alarming is often carried out due to the heating, vibration and other reasons of the axle box bearings, so that the bearings need to be replaced.
There are two existing methods for replacing the axle box bearing, one is to use auxiliary tools such as manpower and hydraulic jacks, and the other is to use a turbine dropping device. However, as the transverse distance between the locomotive axle box assembly and the outer side surface of the locomotive body is 550mm, the weight of the axle box bearing assembly is 162kg, and the locomotive axle box assembly is salvaged by using manpower and hydraulic jacks, so that the locomotive axle box assembly has no operation space, has no possibility of operation and is easy to cause personal injury; if the wheel dropping machine is used for replacing the bearing, the motor wheel set is moved out after the wheel dropping, then the bearing of the shaft box is replaced, the device can only be used in the special sites of major repair factories and service sections, the limitation is strong, and other auxiliary devices such as a locomotive large wire, a ventilation hood, a motor suspension (front suspension and rear suspension) and the like are required to be disassembled, so that more personnel are involved, the labor intensity is high, and the production period is long.
Based on the above, how to quickly, effectively, simply, easily, safely and reliably replace axle box bearings of a traction locomotive has become an urgent need to be solved in a railway application system, and the problem has not been solved yet.
Disclosure of Invention
The invention provides a replacement device and a replacement system, which are used for solving the technical problems that in the prior art, the tool structure for replacing the axle box bearing of a locomotive is large in size, the operation on a locomotive road section with a limited space is inconvenient, and the axial bearing replacement cannot be completed safely and effectively by manpower.
In one aspect, the present invention provides a replacement device comprising: the T-shaped connecting device is connected with the axle box bearing, the sleeve is sleeved on the T-shaped connecting device, and the clip positioning component is used for connecting a hoisting steel wire rope and is arranged at a first preset position of the sleeve.
Optionally, a first positioning hole is arranged at a second preset position on the tail part of the T-shaped connecting device; a second positioning hole is formed in a third preset position of the sleeve; wherein the first positioning hole corresponds to the second positioning hole;
the replacing device further includes: the sleeve is used for being respectively inserted into the first positioning hole and the second positioning hole so as to realize that the sleeve is sleeved on the positioning pin of the T-shaped connecting device.
Optionally, a first threaded hole and a second threaded hole which are symmetrical are respectively arranged on two sides of the head of the T-shaped connecting device.
Optionally, the method further comprises:
and two bolts for cooperating with the first threaded hole and the second threaded hole to connect the T-shaped connecting device and the axle box bearing.
Optionally, the bolt is an M20 bolt.
Optionally, the sleeve has a length of 2000mm.
Optionally, the sleeve has a cross-sectional diameter of 50mm.
Optionally, the second predetermined position is 500mm from the head of the tee coupling and the third predetermined position is 500mm from the head of the sleeve.
Optionally, the first predetermined position is 550mm from the left end of the sleeve.
Another aspect of the present invention provides a replacement system for an axle box bearing of a railroad traction vehicle, comprising: the replacing device is characterized in that the clip positioning component controls the lifting device of the replacing device through the lifting steel wire rope.
The invention provides a replacement device and a replacement system, which are applied to axle box bearings of a railway traction locomotive, and comprise: the T-shaped connecting device is connected with the axle box bearing, the sleeve is sleeved on the T-shaped connecting device, the steel wire rope for connecting and lifting is arranged on the first preset position of the sleeve, and the clip positioning component is arranged on the first preset position of the sleeve. Because this change device is simple structure not only, can also realize effectively fast with the help of this change device, and the safe axle box bearing replacement, consequently solved among the prior art be used for changing the frock structure volume of locomotive axle box bearing great and be inconvenient for carrying out the operation in the locomotive highway section in limited space, and can't accomplish the technical problem that the axle box bearing was changed effectively safely through the manpower.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a replacement device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a replacing device according to a second embodiment of the present invention;
fig. 3 is a schematic structural view of a t-shaped connection device in a replacement device according to a third embodiment of the present invention;
fig. 4 is a schematic diagram of a connection mode of a t-shaped connection device and a sleeve of a replacement device according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural view of an upper clip positioning member in a replacing device according to a fifth embodiment of the present invention;
fig. 6 is a schematic diagram of a force balance of a replacing device according to a sixth embodiment of the present invention.
Reference numerals illustrate:
a 1-T-shaped connection device;
11-t-shaped connector header;
the tail part of the 12-T-shaped connecting device;
2-a sleeve;
3-hoisting the steel wire rope;
4-clip positioning means;
5-a first positioning hole;
6-a second positioning hole;
7-locating pins;
8-a first threaded hole;
9-second threaded hole
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms "head", "tail", "left", "right", etc. are used to describe the relative positional relationship of the respective structures in the drawings, and are merely for convenience of description, and are not intended to limit the scope of the invention, in which the relative relationship is changed or adjusted, and without any substantial change in technical content, the term "head" is specifically used to designate the portion of the t-shaped connecting device connected to the axle box bearing assembly; "tail" is used to denote the portion of the tee coupling device that is coupled to the sleeve; "left" is used to denote the end of the sleeve adjacent the pedestal bearing to be replaced; "Right" is used to indicate the exposed end of a sleeve that is fitted over the tee attachment or to indicate the right orientation of the forward direction of the locomotive.
In the prior art, two methods are mainly adopted for replacing the bearing of the locomotive axle box.
The first method is as follows: and replacing by adopting a turbine dropping device. If the wheel dropping machine is used for replacing the bearing, the device is only available in the special sites of major repair factories and locomotive service sections, the limitation is strong, and the wheel dropping machine is used for replacing the axle box bearing, so that after two wheel sets of a locomotive are dropped, other auxiliary devices such as a locomotive large wire, a ventilation hood, a motor suspension (front suspension and rear suspension) and the like can be removed from the motor wheel set, and then the axle box bearing is replaced.
The second method is as follows: and auxiliary tools such as manpower, hydraulic jacks and the like are adopted for replacement. Generally, the lateral distance from the locomotive axle box assembly to the outer side surface of the locomotive body reaches 550mm, lifting equipment cannot be directly utilized during disassembly, so that the axle box bearing assembly can be lifted out of and lifted in from the locomotive axle, auxiliary tools such as manpower and hydraulic jacks can only be adopted for dangerous operation in railway rescue for time robbing, however, as the axle box bearing assembly is up to 162kg in weight, the operation space is not available only by manpower for disassembly and assembly, the possibility of operation is not available, and personnel injury is easily generated during operation.
The replacing device and the replacing system provided by the invention have the advantages that the structure is simple, the operation is convenient, and therefore, the technical problems that the tool structure for replacing the axle box bearing of the locomotive is large in size, the operation is inconvenient to be carried out on a locomotive road section with a limited space, and the axle box bearing can not be safely and effectively replaced by manpower in the prior art can be effectively solved.
The technical scheme of the invention is described in detail below by specific examples. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
Fig. 1 is a schematic structural diagram of a replacement device according to an embodiment of the present invention, as shown in fig. 1, the replacement device is applied to an axle box bearing of a railway traction locomotive, and includes:
a T-shaped connecting device 1, a sleeve 2 and a clip positioning component 4. The T-shaped connecting device 1 is connected with the axle box bearing, and the sleeve 2 is sleeved on the T-shaped connecting device. And a clip positioning member 4 is provided at a first predetermined position of the sleeve 2.
In this embodiment, the replacing device is connected with the axle box bearing by means of the tee connecting device in the replacing device, and by sleeving the sleeve of the tee connecting device, and the sleeve and the integral part formed by the tee connecting device are used for lifting the steel wire rope by the lifting hook of the lifting device, so that the tee connecting device and the sleeve are lifted to the horizontal position, and the whole is forced to complete the replacement of the axle box bearing.
Fig. 2 is a schematic structural view of a replacing device provided in the second embodiment, and as shown in fig. 2, based on the embodiment shown in fig. 1, the t-shaped connecting device 1 optionally includes a head 11 and a tail 12, and the head 11 of the t-shaped connecting device 1 is fastened in a bolt hole at an upper end of an outer side of the axle box bearing assembly. The sleeve 2 is sleeved on the tail 12 of the T-shaped connecting device 1, and the hoisting steel wire rope 3 is fixed on the sleeve 2 by the clip positioning component 4.
In this embodiment, the tee coupling 1 may be of 45# steel material to ensure the required rigidity for lifting the axle box bearing that needs replacement. In addition, the sleeve 2 may be made of any rigid material, alternatively, plain steel, to effectively reduce manufacturing costs.
In this embodiment, for example, the manner of replacing the axle box bearing by the replacing device may be: when the axle box bearing is replaced, the head 11 of the T-shaped connecting device 1 is fastened in a bolt hole at the upper end of the outer side surface of the axle box bearing assembly, the sleeve 2 is sleeved on the tail 12 of the T-shaped connecting device 1, and the hoisting steel wire rope 3 is fixed on the sleeve 2 by the clip positioning component 4. When the lifting hook (not shown) lifts the steel wire rope 3, and when the lifting hook lifts the sleeve 2 to a horizontal position, the lifting hook can apply force to the right end of the sleeve 2 vertically downwards by means of manpower, meanwhile, the sleeve 2 is slowly pulled to the right, and at the moment, the lifting hook also slowly moves to the right, so that the axle box bearing can be moved out, and then the lifting hook falls down, so that the replacement of the axle box bearing is realized.
The replacing device provided by the invention can be used for quickly, effectively, safely and reliably replacing the axle box bearing on a common line under the condition that the locomotive does not have turbine dropping equipment in emergency rescue or common temporary repair.
Furthermore, when the replacing device is adopted to detach the axle box bearing, the vertical distance between the locomotive frame and the axle box can be increased by 80-100mm in advance, the axle box and the side baffle of the frame can be staggered in the axial horizontal direction of the wheel set, and the axle box bearing assembly can be moved out towards the axial outer side surface, so that the axle box bearing can be detached conveniently and rapidly without detaching other auxiliary devices such as a locomotive large wire, a ventilation hood and the like.
On the basis of the first embodiment and the second embodiment, the present invention further provides a structure of the t-shaped connection device in the replacing device according to the third embodiment, please refer to fig. 3.
In the present embodiment, the two sides of the head 11 of the tee coupling device 1 are provided with symmetrical first and second threaded holes 8, 9, respectively. Further, the replacing device may further comprise two bolts, which may be used to fasten the t-shaped connecting device 1 in the bolt holes at the upper end of the outer side of the axle box bearing assembly to be replaced through the first threaded hole 8 and the second threaded hole 9, respectively, so that the t-shaped connecting device 1 is fastened and connected with the axle box bearing assembly.
Alternatively, the bolt is an M20 bolt.
In this embodiment, when the replacement device is connected to the outer side surface of the axle box bearing assembly, one end of an M20 bolt can be fastened to the t-shaped connection device 1 of the replacement device through the first threaded hole 8 of the head 11 of the t-shaped connection device 1, and the other end of the M20 bolt can be fastened to the outer side surface of the axle box bearing assembly through the upper end bolt hole of the outer side surface of the axle box bearing assembly to be replaced; similarly, another M20 bolt is fastened to the T-shaped connecting device 1 of the replacing device through the second threaded hole 9 of the head 11 of the T-shaped connecting device 1 by the same method as the above, and the other end is fastened to the outer side surface of the axle box bearing assembly through the upper end bolt hole of the outer side surface of the axle box bearing assembly which needs to be replaced. Through the T-shaped connecting device provided by the embodiment, when the replacement device is lifted by using the lifting equipment, the axle box bearing assembly body can be vertically lifted to a certain height along with the replacement device, and then the axle box bearing assembly body moves rightwards for a certain distance so as to smoothly replace the bearing.
Fig. 4 is a schematic diagram of a t-shaped connection device and a sleeve connection manner in a replacement device according to a fourth embodiment of the present invention, and on the basis of the first to third embodiments, as shown in fig. 4, a first positioning hole 5 is provided at a second predetermined position on a tail portion of the t-shaped connection device. Correspondingly, a second positioning hole 6 is provided at a third predetermined position of the sleeve 2, the second positioning hole 6 corresponding to the first positioning hole 5.
Optionally, the first positioning hole 5 is formed at a second predetermined position of the tail portion 12 of the t-shaped connecting device 1, and the second positioning hole 6 is formed at a third predetermined position of the sleeve 2, wherein the diameters of the first positioning hole 5 and the second positioning hole 6 are the same.
In addition, the device may further comprise a positioning pin 7 (not shown in the figure), and the positioning pin 7 connects the tee connecting device 1 of the replacing device and the sleeve 2, so that the sleeve 2 can be lifted together with the tee connecting device 1 when the sleeve 2 is lifted by a lifting device.
Optionally, the first positioning hole 5 in the second predetermined position is 500mm from the head of the tee coupling. The second positioning hole 6 in the third predetermined position is 500mm from the left end of the sleeve. The length of the sleeve is 2000mm and the cross-sectional diameter is 50mm.
Specifically, when the replacement device is connected to the outer side surface of the axle box bearing assembly, the sleeve 2 is sleeved on the tail portion 12 of the T-shaped connection device 1, and the positioning pin 7 is inserted into the first positioning hole 5 and the second positioning hole 6 at the same time, so that the T-shaped connection device 1 and the sleeve 2 are connected, and the clip 4 is fixed at a first preset position of the sleeve 2. Through the sleeve 2 provided by the embodiment, when the replacement device is lifted by the lifting equipment, the axle box bearing assembly can be vertically lifted by a certain height along with the replacement device, and then the axle box bearing assembly can be moved rightwards for a certain distance so as to smoothly replace the bearing.
In the present invention, the specific position of the first positioning hole 5 on the tail portion 12 of the t-shaped connecting device 1 is not limited, and correspondingly, the specific position of the second positioning hole 6 on the sleeve 2 is not limited, so long as the first positioning hole 5 exists on the tail portion 12 of the t-shaped connecting device 1, the second positioning hole 6 exists on the sleeve 2, and the position of the second positioning hole 6 corresponds to the position of the first positioning hole 5, so that the t-shaped connecting device 1 of the replacement device can be conveniently connected with the sleeve 2 through the positioning pin. The cross-sectional area and the length of the sleeve 2 are not particularly limited, as long as the cross-sectional area of the sleeve 2 can be ensured to be sleeved on the T-shaped connecting device 1, the sleeve is made of sufficient materials on the premise that the space of the locomotive where the axle box bearing needs to be replaced is large enough, and the first preset position is fixed, the longer the length of the sleeve 2, the more labor-saving the axle box bearing is replaced by the replacing device provided by the invention.
Fig. 5 is a schematic structural diagram of a clip positioning member in a replacing device according to a fifth embodiment of the present invention.
As shown in fig. 5, a clip positioning member is provided at a first predetermined position of the replacement device sleeve 2. Optionally, the first predetermined position is 550mm from the left end of the sleeve.
In the present invention, the specific position of the first predetermined position on the sleeve 2 is not limited, as long as it is ensured that the side locomotive box body outer side of the axle box bearing to be replaced is not touched when the replacing device is lifted by the lifting device, and when other factors are not changed, the more the first predetermined position is far from the side of the axle box bearing to be replaced, the more labor is saved when the axle box bearing is replaced by the replacing device provided by the present invention.
Further, fig. 6 shows a force balance schematic diagram of the replacing device provided by the sixth embodiment of the present invention, as shown in fig. 6, in which a lifting device lifts the replacing device, and after the sleeve is balanced, the force conditions of each part of the replacing device are shown, in this embodiment, the force on the left end of the replacing device is concentrated and shown on the left end of the sleeve, so a point a in the figure represents the force bearing point on the left end of the replacing device; o-point represents a first predetermined location point on the cannula; point B represents the point of application of force at the right end of the changer.
The replacement device provided by the invention lifts the axle box bearing and moves the axle box bearing to the right end by utilizing the lever principle, and the application of the lever principle of the embodiment is specifically described below with reference to fig. 6.
As shown in fig. 6, O is a first predetermined position on the sleeve, which is a fulcrum; f1 is artificial pressure applied to the right end of the replacing device and is power; f is the tension provided by the lifting equipment for the replacement device; f2 is the axle box bearing pressure applied to the left end of the replacing device and is the resistance; OA is a resistance arm, denoted by L2; OB is a power arm, denoted by L1. After the replacement device is lifted and balanced, the resultant force of the whole device in the vertical direction is zero, and the stress equation is as follows:
F1+F2＝F
the balance equation at the time of lever balance is:
F1*L1＝F2*L2
the power to balance the casing is made available by the balance equation deformation:
F1＝(F2*L2)/L1
the axle box bearing pressure F2 received by the left end of the replacing device is fixed, the position of the fulcrum O is unchanged, the length of the sleeve is increased, namely, the length of the power arm OB is increased by a variable, and is changed into l1+a, so that the lever balance equation is changed into:
F1′*(L1+a)＝F2*L2
the power for balancing the sleeve after increasing the length of the sleeve is obtained by deformation of the balance equation:
F1′＝F2*L2/(L1+a)
comparing the values of the power F1 and F1' required by sleeve balancing before and after the length of the sleeve 2 is increased, it can be found that when the positions of the axle box bearing pressure F2 and the pivot O are fixed, the length of the sleeve 2 is increased, that is, the value of the power arm is increased, and the effect of saving force can be achieved when the axle box bearing is replaced.
The replacing device provided by the invention can be used for quickly, effectively, safely and reliably replacing the axle box bearing on a common line under the condition that the locomotive does not have turbine dropping equipment in emergency rescue or common temporary repair, and further, the replacing device can achieve the effect of saving force when replacing the axle box bearing by increasing the length of the sleeve.
Referring to fig. 6, a force balance diagram of a replacing device according to the present invention is shown.
When the position of the fulcrum O is shifted leftward by a variable a (a > 0), the length of the resistance arm OA becomes L2-a, the length of the power arm OB becomes l1+a, and the above lever balance equation becomes:
F1′*(L1+a)＝F2*(L2-a)
the dynamic force for balancing the sleeve is obtained by deformation of a balance equation and is obtained by reducing the resistance arm:
F1′＝[F2*(L2-a)]/(L1+a)
comparing the values of the power F1 and F1' required by sleeve balancing by the resistance arm before and after the reduction, the position of the fulcrum O is moved leftwards when the axle box bearing pressure F2 is fixed, namely the value of the resistance arm is reduced, the value of the power arm is increased, and the effect of saving force can be achieved when the axle box bearing is replaced.
The replacing device provided by the invention can be used for quickly, effectively, safely and reliably replacing the axle box bearing on a common line under the condition that the locomotive does not have turbine dropping equipment in emergency rescue or common temporary repair, and further, the effect of saving force can be achieved when the axle box bearing is replaced by moving the position of the first preset position on the sleeve left by adopting the replacing device.
The present invention also provides a replacement system according to the seventh embodiment, which includes the replacement device according to the first to sixth embodiments, and the replacement device is similar to the description of the foregoing embodiments, and is not repeated herein.
The replacement device and the replacement system provided by the invention are specifically implemented by the following steps when the axle box bearing is replaced:
step one: removing a first hydraulic shock absorber, an upper pull rod, a lower pull rod, an axle box front cover, a lower sprung positioning seat and an axle wire connecting bolt, and removing the shock absorber and the axle box front cover;
step two: compressing a primary spring, and fixing the spring distance by a clip;
step three: when the frame rises by 100mm, another 10T oil pressure jacking pick is used for jacking a movable shaft box at the bottom of a spring seat under the shaft box, when the shaft box rotates to enable a spring to be moved out, an upper spring is moved out of the shaft box seat, a lower pull rod is removed at the same time, the jacking pick is slowly loosened, the jacking pick is moved to the bottom of the spring seat on the shaft box, the shaft box is jacked by the jacking pick by the same method, the shaft box rotates in the opposite direction, when the distance between a lower spring upper cover and the positioning seat reaches 70-80mm, the positioning seat and the upper pull rod are moved, the lower spring upper positioning seat and the lower spring are taken out, the shaft box upper pull rod mandrel is hammered out from a shaft box notch, the length direction of the pull rod body is taken as a central line, the outer side of the mandrel faces upwards, the pull rod is rotated by 90 degrees, the two mandrel axes are taken as planes, and the pull rod body is rotated by 90 degrees, and the upper pull rod is taken out;
step four: the steel wire rope is lifted by the lifting hook of the lifting device so as to realize that the T-shaped connecting device and the sleeve are lifted to the horizontal position and apply force to the whole body, thereby completing the replacement of the axle box bearing
Step five: after the bearing is replaced, the axle box assembly, the upper pull rod, the lower spring mounting seat, the lower spring, the upper spring, the lower pull rod and the like are assembled in sequence according to a reverse method of hanging the axle box, all bolts are connected and fastened, and the bearing replacement is completed.
The replacement device and the replacement system provided by the invention are suitable for all locomotives except DF5 and SS4 locomotive types, only one side of a primary shock absorber, a primary spring, a primary axle box pull rod and an alarm device are required to be disassembled when axle box bearing replacement is carried out, the locomotive large wire, a ventilation hood and a hanging device (front and back) are not required to be disassembled, the time for disassembling the bearing is reduced from 8-10 hours of the original process to 3-4 hours, the required personnel is reduced from 5 persons of the original process to 3 persons, the units involved in the process are reduced from the original locomotive workshop, an electrical appliance workshop and a bogie workshop to only a bogie workshop, the investment is reduced from 200 ten thousand (a turbine) of the original process to 500 yuan, and the safety is provided with 100%. The technical problems that in the prior art, the tooling structure for replacing the locomotive axle box bearing is large in size, the locomotive axle box bearing is inconvenient to operate on a locomotive road section with limited space, and the axial bearing replacement cannot be safely and effectively completed by manpower are solved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (3)
1. A replacement device for an axle box bearing of a railroad traction locomotive, comprising:
the sleeve is sleeved on the T-shaped connecting device, and is used for connecting a hoisting steel wire rope, and a clip positioning component is arranged at a first preset position of the sleeve, the length of the sleeve is 2000mm, and the diameter of the cross section of the sleeve is 50mm; the first preset position is 550mm away from the left end of the sleeve, and the left end of the sleeve represents one end, close to the axle box bearing to be replaced, of the sleeve;
a first positioning hole is arranged at a second preset position on the tail part of the T-shaped connecting device, and the tail part of the T-shaped connecting device represents the connecting part of the T-shaped connecting device and the sleeve; a second positioning hole is formed in a third preset position of the sleeve; wherein the first positioning hole corresponds to the second positioning hole;
the replacing device further includes: the positioning pin is used for being respectively inserted into the first positioning hole and the second positioning hole so as to realize that the sleeve is sleeved on the T-shaped connecting device;
the two sides of the head of the T-shaped connecting device are respectively provided with a first threaded hole and a second threaded hole which are symmetrical;
the replacing device further includes: two bolts for cooperating with the first and second threaded bores to connect the tee connection and the pedestal bearing;
the second predetermined position is 500mm from the head of the tee coupling representing the portion of the tee coupling that is coupled to the pedestal bearing and the third predetermined position is 500mm from the left end of the sleeve.
2. The changing device of claim 1, wherein the bolt is an M20 bolt.
3. A replacement system for an axle box bearing of a railroad traction locomotive, comprising: the exchange device according to claim 1 or 2, and the clip positioning member controls a hoisting device of the exchange device by the hoisting wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778570.7A CN107399339B (en) | 2017-09-01 | 2017-09-01 | Replacement device and replacement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778570.7A CN107399339B (en) | 2017-09-01 | 2017-09-01 | Replacement device and replacement system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107399339A CN107399339A (en) | 2017-11-28 |
| CN107399339B true CN107399339B (en) | 2023-11-21 |
Family
ID=60396932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710778570.7A Active CN107399339B (en) | 2017-09-01 | 2017-09-01 | Replacement device and replacement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107399339B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2721475Y (en) * | 2004-07-09 | 2005-08-31 | 武汉钢铁(集团)公司 | Assembled and disassembled sling of coupler buffer for railway vehicle |
| CN202131010U (en) * | 2011-06-24 | 2012-02-01 | 浙江吉润汽车有限公司 | Locking lifting appliance |
| JP3178943U (en) * | 2012-07-09 | 2012-10-11 | 稔 渡邉 | Luggage crane |
| CN203959653U (en) * | 2014-06-24 | 2014-11-26 | 肇庆宏旺金属实业有限公司 | A kind of for changing the hanger structure of furnace roller |
| CN204873435U (en) * | 2015-07-08 | 2015-12-16 | 青岛四方庞巴迪铁路运输设备有限公司 | Rail vehicle floor hoist |
| CN105347176A (en) * | 2015-11-11 | 2016-02-24 | 平高集团有限公司 | Lifting appliance |
| US9452911B1 (en) * | 2015-08-12 | 2016-09-27 | Michael J. Tipton | Adjustable fixture for holding a part on a hoist/crane |
| CN206171484U (en) * | 2016-10-31 | 2017-05-17 | 中车兰州机车有限公司 | Core pin draw gear |
| CN206288853U (en) * | 2016-11-30 | 2017-06-30 | 振石集团东方特钢有限公司 | A kind of more changing device suitable for vertical miller reduction box high speed tooth bottom end bearing |
| CN206336284U (en) * | 2016-11-28 | 2017-07-18 | 鞍山钢铁集团公司 | A kind of railway freight-car plain bearing bush |
| CN207345848U (en) * | 2017-09-01 | 2018-05-11 | 中车兰州机车有限公司 | A kind of more changing device and replacement system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6578892B2 (en) * | 2000-10-31 | 2003-06-17 | Valery Tsimmerman | Articulated lifting devices for lifting objects under overhangs |
| DE10258028B3 (en) * | 2002-12-12 | 2004-01-29 | Daimlerchrysler Ag | Connection between a steering gear and a steering column of a motor vehicle steering |
| US9938117B2 (en) * | 2013-07-24 | 2018-04-10 | Fritel & Associates, LLC | Mobile conductor lift |
-
2017
- 2017-09-01 CN CN201710778570.7A patent/CN107399339B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2721475Y (en) * | 2004-07-09 | 2005-08-31 | 武汉钢铁(集团)公司 | Assembled and disassembled sling of coupler buffer for railway vehicle |
| CN202131010U (en) * | 2011-06-24 | 2012-02-01 | 浙江吉润汽车有限公司 | Locking lifting appliance |
| JP3178943U (en) * | 2012-07-09 | 2012-10-11 | 稔 渡邉 | Luggage crane |
| CN203959653U (en) * | 2014-06-24 | 2014-11-26 | 肇庆宏旺金属实业有限公司 | A kind of for changing the hanger structure of furnace roller |
| CN204873435U (en) * | 2015-07-08 | 2015-12-16 | 青岛四方庞巴迪铁路运输设备有限公司 | Rail vehicle floor hoist |
| US9452911B1 (en) * | 2015-08-12 | 2016-09-27 | Michael J. Tipton | Adjustable fixture for holding a part on a hoist/crane |
| CN105347176A (en) * | 2015-11-11 | 2016-02-24 | 平高集团有限公司 | Lifting appliance |
| CN206171484U (en) * | 2016-10-31 | 2017-05-17 | 中车兰州机车有限公司 | Core pin draw gear |
| CN206336284U (en) * | 2016-11-28 | 2017-07-18 | 鞍山钢铁集团公司 | A kind of railway freight-car plain bearing bush |
| CN206288853U (en) * | 2016-11-30 | 2017-06-30 | 振石集团东方特钢有限公司 | A kind of more changing device suitable for vertical miller reduction box high speed tooth bottom end bearing |
| CN207345848U (en) * | 2017-09-01 | 2018-05-11 | 中车兰州机车有限公司 | A kind of more changing device and replacement system |
Non-Patent Citations (2)
| Title |
|---|
| 韶山系列机车轴箱轴承不落轮更换装置;张建军;张群福;;机车电传动(第06期);全文 * |
| 高炉液压泥炮部分设备改进实践;付江;;江西冶金(第04期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107399339A (en) | 2017-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103752616A (en) | Roller bearing block detacher | |
| CN201922365U (en) | Rotating clamp base | |
| CN103663063A (en) | Gearless traction machine and installation and maintenance device thereof | |
| CN107399339B (en) | Replacement device and replacement system | |
| CN203474263U (en) | Hoisting device and locomotive bogie | |
| CN201999622U (en) | Hoisting device for working roller or intermediate roller | |
| CN207345848U (en) | A kind of more changing device and replacement system | |
| CN206691257U (en) | Vehicle general assembly production line | |
| CN104229624A (en) | Sub-packaging rotary hanger of engine | |
| CN205011274U (en) | Automobile engine handling crane | |
| CN206169974U (en) | Instrument of quick assembly disassembly railroad locomotive axle box pull rod | |
| CN102060231A (en) | Hoisting method and device for work roller or middle roller | |
| CN201082850Y (en) | Crawler crane main boom head | |
| CN203711479U (en) | Roller bearing seat assembling and disassembling machine | |
| CN203212277U (en) | Hydraulic lifting equipment carrying and conveying vehicle components | |
| CN214456182U (en) | Wind-powered electricity generation blade web upset frock | |
| CN210062991U (en) | Dismounting device | |
| CN210081106U (en) | Aircraft undercarriage dismouting equipment | |
| CN104085796B (en) | Macrobending radius roller hoist cable protective device | |
| CN218403438U (en) | Auxiliary lifting appliance device for pneumatic tool for automobile tire assembly | |
| CN218226412U (en) | Be used for subway machineshop car transition coupling dismouting frock | |
| CN203922502U (en) | A kind of macrobending radius roller hoist cable fender guard | |
| CN211405794U (en) | Special tool for drawing rotor of variable-diameter motor | |
| CN216180237U (en) | Clamping bearing pad dismounting mechanism | |
| CN211249884U (en) | Dismounting device for hub bearing seat of tire crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |