CN109015512B - Bogie wheel set shaft sleeve and axle assembly device - Google Patents
Bogie wheel set shaft sleeve and axle assembly device Download PDFInfo
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- CN109015512B CN109015512B CN201810920457.2A CN201810920457A CN109015512B CN 109015512 B CN109015512 B CN 109015512B CN 201810920457 A CN201810920457 A CN 201810920457A CN 109015512 B CN109015512 B CN 109015512B
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- 230000000694 effects Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000004806 packaging method and process Methods 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
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Abstract
The invention provides a bogie wheel set shaft sleeve and axle assembly device which comprises a bogie support base, wherein an axle fixing device for limiting the position of an axle to be immovable and a shaft sleeve fixing device for supporting the shaft sleeve and enabling the shaft sleeve to rotate to be assembled with the axle are respectively fixed on the base. According to the assembling device for the bogie wheel set shaft sleeve and the axle, the shaft sleeve does not need to be manually held, and the assembling quality of the bogie wheel set shaft sleeve and the axle can be improved.
Description
Technical Field
The invention belongs to the technical field of railway vehicles, and particularly relates to an assembling device for a bogie wheel set shaft sleeve and an axle in the production process of the railway vehicles.
Background
The bogie wheel set is a key important part of a high-speed train, the assembly precision requirement of a shaft sleeve and an axle is very high, the assembly clearance is extremely narrow and small, and the control is generally about 0.1 mm. When the shaft sleeve is assembled with the axle, the shaft sleeve is limited by factors such as single piece manufacturing tolerance, assembly matching precision, poor adaptability after interference matching and the like, manual assembly is carried out by adopting assembly experience of operators for many years, and the main reason is that the quality problems of poor matching, interference assembly and the like which easily cause part surface damage in the assembly process are avoided by means of manual flexible adjustment. However, the manual assembly has the following problems: the axle sleeve installation is very difficult, needs artifical handheld axle sleeve to carry out adjustment many times in the assembling process, and stability is very poor when handheld installation, if artifical handheld skew, artifical experience are not enough easily to lead to the equipment by force, cause the assembling process axle sleeve card to die, lead to axletree surface damage, cause quality loss. The manual operation period of a single group of bogie wheel sets is 1 hour, and the working efficiency is low.
Disclosure of Invention
The invention mainly aims to solve the problems and the defects and provides the bogie wheel set shaft sleeve and axle assembly device which does not need to manually hold the shaft sleeve and improves the installation quality.
In order to achieve the purpose, the invention provides a device for assembling a bogie wheel set shaft sleeve and an axle, which adopts the technical scheme that:
the bogie wheel set shaft sleeve and axle assembling device comprises a bogie support base, wherein an axle fixing device for limiting the position of an axle to be immovable and a shaft sleeve fixing device for supporting the shaft sleeve and enabling the shaft sleeve to rotate to be assembled with the axle are respectively fixed on the base.
Furthermore, the axle fixing device comprises a supporting seat fixed with the base, an axle fixing seat and a pressing mechanism which enables the position of the axle to be limited to be immovable, wherein the bottom of the axle fixing seat and the top of the supporting seat are fixed through an adjusting and locking mechanism, and the fixing position of the axle fixing seat is adjustable.
Furthermore, the top of the axle fixing seat is provided with a V-shaped positioning surface for placing the axle.
Furthermore, hold-down mechanism includes activity pressure arm and pressure arm, the activity pressure arm is the U type roughly, two vertical sides of U type respectively with the pivotable dismantlement of both ends at the top of axletree fixing base is fixed, the other end passes through the pressure arm with the central point of the horizontal side of activity pressure arm puts the screw thread fastening to but screw thread adjustment fixed height.
Furthermore, the shaft sleeve fixing device comprises a shaft sleeve supporting device and a multi-degree-of-freedom adjusting mechanism which are fixed with each other, and the multi-degree-of-freedom adjusting mechanism is placed on the base and can adjust the position of the shaft sleeve in a multi-degree-of-freedom mode after being fixed relatively.
Furthermore, the shaft sleeve supporting device comprises a support, a plurality of rolling shafts and V-shaped supporting rollers, the cross section of the support is U-shaped, a sleeve matched with a bearing at the top of the multi-degree-of-freedom adjusting mechanism is arranged at the center of the bottom of the support, the plurality of rolling shafts are arranged in the support in a balanced mode, the V-shaped supporting rollers are fixed at the same positions of the rolling shafts, and the shaft sleeve moves on the V-shaped supporting rollers under the driving of the rolling shafts so as to be fixed with the axle.
Furthermore, the multi-degree-of-freedom adjusting mechanism comprises a height adjusting mechanism, a horizontal adjusting mechanism and a vertical adjusting mechanism which are connected with each other and respectively provided with a locking device.
Furthermore, the height adjusting mechanism comprises an upper guide shaft, a lower guide shaft and a guide sleeve, wherein the upper guide shaft and the lower guide shaft can slide in an inner cavity of the guide sleeve and are positioned through a locking device.
Furthermore, the tops of the upper guide shaft and the lower guide shaft are connected through a connecting plate, a lower fixing seat is arranged at the center of the connection, adjusting screws are arranged on two sides of the lower fixing seat respectively, two ends of each adjusting screw are fixed to the bottoms of the connecting plate and the support respectively and are limited through adjusting nuts, an upper fixing seat which is connected with the fixing seat in a pivoting mode is arranged at the bottom of the bearing, and the support is adjusted to be at a fixed angle with the connecting plate.
Furthermore, the bottom of the shaft sleeve fixing device is provided with a linear rail, and the position of the whole shaft sleeve fixing device on the base is moved left and right along the rail of the base.
In summary, compared with the prior art, the bogie wheel set shaft sleeve and axle assembly device provided by the invention has the following advantages: through with the axletree, the axle sleeve is arranged fixing device in and is carried out initial positioning, carry out the pre-installation through accurate mechanical mechanism, it is poor to have avoided artifical handheld equipment positioning accuracy, the packaging efficiency that adjustment leads to is adjusted repeatedly is low, problem such as assembling process unstability, the accurate positioning of axletree and axle sleeve assembling process has been realized, carry out the meticulous adjustment to axletree and axle sleeve position through multi freedom guiding mechanism, size error in axletree and the axle sleeve assembling process has been compensated to the flexibility, positional deviation and angular deviation, the quick location of axle sleeve and axletree assembling process has been realized, flexible adjustment and accurate equipment.
Description of the drawings:
FIG. 1: the invention discloses a schematic diagram of a bogie wheel set shaft sleeve and axle assembly device;
FIG. 2: the invention relates to a front view of an axle fixing device of a bogie wheel set shaft sleeve and axle assembling device;
FIG. 3: the invention relates to a side view of an axle fixing device of a bogie wheel set shaft sleeve and axle assembling device;
FIG. 4: the invention relates to a front view of a shaft sleeve fixing device of a bogie wheel set shaft sleeve and axle assembly device;
FIG. 5: the invention relates to a side view of a shaft sleeve fixing device of a bogie wheel set shaft sleeve and axle assembly device
FIG. 6: the invention relates to a side view of a shaft sleeve supporting device of a bogie wheel set shaft sleeve and axle assembly device;
FIG. 7: the invention relates to a top view of a shaft sleeve supporting device of a bogie wheel set shaft sleeve and axle assembly device;
the axle assembly comprises an axle assembly 1, an axle fixing device 2, a shaft sleeve fixing device 3, a base 4, a pressing mechanism 5, a movable pressing arm 6, a V-shaped positioning surface 7, an adjusting and locking mechanism 8, a movable bolt 9, a supporting roller 10, a rolling shaft 11, a support 12, a sleeve 13, a stop mechanism 14, a bearing 15, a lower fixing seat 16, an upper guide shaft 17, a lower guide shaft 17, a locking device 18, a linear rail 19, an axle 20, a wheel 21, a shaft sleeve 22, a supporting seat 23, a pressing arm 24, a shaft sleeve supporting device 25, a multi-degree-of-freedom adjusting mechanism 26, an upper fixing seat 27, a guide sleeve 28, an axle fixing seat 29, a bottom plate 30, a connecting plate 31, a height locking device 32, a connecting piece 33, a wrench 34, an adjusting.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description.
A bogie wheelset axle sleeve and axle assembly device comprises a bogie support base 4, and an axle fixing device 2 and an axle sleeve fixing device 3 which are used for limiting the position of an axle 20 to be immovable and supporting an axle sleeve 22 and enabling the axle sleeve 22 to rotate to be assembled with the axle 20 are respectively fixed on the base 4.
As shown in fig. 1, for the bogie wheel set axle sleeve and axle assembly device provided by the invention, an axle assembly 1 and an axle sleeve 22 to be assembled are both placed on a bogie support base 4, the axle assembly 1 comprises an axle 20 and wheels 21 which are assembled, the axle assembly is supported by an axle fixing device 2, as shown in fig. 1 to 3, the axle fixing device 2 comprises a support seat 23, axle fixing seats 29 and a pressing mechanism 5, the cross section of the support seat 23 is in an i shape, a bottom plate is fixed with the base 4, a top plate is used for supporting and fixing the axle fixing seats 29, a plurality of axle fixing seats 29 can be fixed on each support seat 23 according to the specific structure of the axle assembly, and the pressing mechanism 5 is arranged on the top plate of each axle fixing seat 29. The bottom of the axle fixing seat 29 is fixed with the top plate of the supporting seat 23 by the adjusting and locking mechanism 8, for example, a mounting groove (not shown in the figure) and a bolt hole (not shown in the figure) which are matched with each other can be respectively arranged on the top plate of the supporting frame 23 and the bottom of the axle fixing seat 29, the axle fixing seat 29 is fixed with the supporting seat 23 by a T-shaped bolt, when the bolt is not locked, the T-shaped bolt can drive the axle fixing seat 29 to slide in the mounting groove, and the fixing position is adjusted, or as shown in figures 2 and 3, a fixing plate which faces to the center direction of the supporting frame 23 is arranged on the bottom of the axle fixing seat 29, the fixing plate is fixed with the bottom of the top plate of the supporting seat 23 by adjusting and locking mechanism 8, the fixing plate is generally L-shaped, the transverse edge is fixed with the bottom of the plate of, the bottom of axletree fixing base 29 can slide on the roof of supporting seat 23 in order to adjust fixed position, when adjustment locking mechanism 8 was in the locking state, axletree fixing base 29 and supporting seat 23 relatively fixed, can not remove, the top of axletree fixing base 29 has V type locating surface 7 for place and effectively support axletree 20, prevent that axletree 20 from rolling at the top of axletree fixing base 29, simultaneously, on two V-arrangement sides of V type locating surface 7, all be provided with the elastic rubber pad, in order to prevent that axletree 20 is by the fish tail at unexpected the removal. In order to prevent the axle 20 from rotating relatively when being fixed with the shaft sleeve 22, the axle fixing device 2 further comprises a pressing mechanism 5 which plays a role of pressing the axle 20 after the axle is placed on the V-shaped positioning surface 7, as shown in fig. 2, the pressing mechanism 5 comprises a movable pressing arm 6 and a pressing arm 24, the cross section of the movable pressing arm 6 is approximately inverted U-shaped, two vertical side edges are movably connected with the side edge at the top of the axle fixing seat 7 through a movable bolt 9 and can pivot around a fixing point, the two vertical side edges and the transverse edge are respectively vertically connected, or the connecting angle is an obtuse angle, a threaded hole is arranged at the central position of the transverse edge, the pressing arm 24 penetrates through the threaded hole, is fixed with the movable pressing arm 6 through threads and can adjust the fixing height up and down, an arc-shaped pressing surface is arranged at the bottom of the pressing arm 24 (the end pressed with the axle) and is in surface contact with the axle 20, similarly, to avoid scratching the axle 20 in the event of an accident, a scratch pad is provided on the outer side of the pressed surface (the surface that contacts the axle). The main structure of the pressing arm 24 can be a screw rod, and when the pressing arm 24 is rotated, the pressing surface can be driven to move up and down linearly, and the pressing surface does not rotate. The both sides of activity pressure arm 6 all adopt movable bolt 9 fixed with the top of axletree fixing base 7, after the equipment is finished, can all take off the activity bolt 9 of both sides, take off whole hold-down mechanism 5, remove the suppression effect to axletree 20, or as required, take off the activity bolt 9 of one side, promote activity pressure arm 6 around the pivot of the activity bolt 9 of opposite side, press arm 6 with the activity and press arm 24 to lift, take out axletree 20 from axletree fixing base 29. In practical application, one side of the movable pressure arm 6 and the axle fixing seat 7 can be fixed by adopting structures such as a bearing, a fixing pin and the like and can pivot around a fixed point, and the other side of the movable pressure arm is fixed by adopting any other existing structures such as a movable bolt 9, a clamping and the like. The hold-down mechanism 5 may also be of other configurations, such as two pressure arms fixed to the two sides of the axle holder 29, respectively, the pressure arms may rotate about fixed points, and a locking mechanism may be provided at the fixed points to fix the positions of the pressure arms, and the pressure arms may be rotated to positions to hold down the axle 20.
When the axle sleeve 22 is assembled, the wheel 21 is already installed in place, and therefore, the combined height of the support seat 23 and the axle fixing seat 29 is greater than the radius of the wheel 21, so that the wheel 21 is in a suspended state on the base 4, the wheel 21 is prevented from being damaged in the assembling process, and reaction force is not generated in the assembling process. As shown in fig. 1, the entire width of the support base 23 is smaller than the distance between the two wheels 21, and protection pads are disposed on both sides of the support base 23 at positions opposite to the wheels 21 to prevent damage to the wheels 21.
It should be noted that, since the wheel 21 is already assembled with the axle 20 when the axle 20 is assembled with the bushing 22, the axle fixing device 2 is located between the two wheels 21, and at least two axle fixing seats 7 are fixed on the same supporting seat 23 between the two wheels, so as to provide sufficient supporting and fastening effects for the axle, prevent the axle from rotating during the assembly process, and at the same time, the position of the axle fixing seat 29 on the supporting seat 23 can be determined and fastened according to the specific component structural characteristics of the vehicle assembly 1, so as to adjust the supporting position for the axle 20. The specific structure of the adjusting and locking mechanism 8 is various, and only two of the embodiments provided by the invention can be realized, and other structures which are present or may appear in the future can be applied to the bogie wheelset sleeve and axle assembly device provided by the invention.
The axle sleeve is assembled on both sides of the axle assembly 1, so that after the axle assembly 1 is fixed on the base 4 by the axle fixing device 2, the axle sleeve 22 is respectively disposed on both sides of the axle 20 by the axle sleeve fixing device 3 and assembled. As shown in fig. 4 and 5, the sleeve fixing device 3 includes a sleeve support device 25 and a multiple degree of freedom adjustment mechanism 26 connected to each other. The multi-degree-of-freedom adjusting mechanism 26 can adjust the orientation of the shaft sleeve 22 in multiple directions, and comprises a height adjusting mechanism, a horizontal adjusting mechanism and a vertical adjusting mechanism which are connected with each other. As shown in fig. 4 and 5, the multi-degree-of-freedom adjusting mechanism includes a bottom plate 30, two linear rails 19 are evenly arranged at the bottom of the bottom plate, a rail is correspondingly arranged on the base 4, the linear rails 19 can move on the rail to adjust the left and right positions of the whole shaft sleeve fixing device 3 relative to the axle assembly 1, the linear rails 19 are provided with locking devices 18, and after the relative position of the shaft sleeve fixing device 3 and the axle assembly 1 is adjusted in place, the locking devices 18 are in a locking state, so that the shaft sleeve 22 is in a relatively stable position, and the multi-degree-of-freedom adjusting mechanism is free from being held and manually moved, thereby saving. The top surface of the bottom plate 30 is fixed with a height adjusting mechanism, the height adjusting mechanism comprises guide sleeves 28 which are fixed on two sides of the top surface of the bottom plate 30 and have a hollow structure, the bottoms of the upper and lower guide shafts 17 are inserted into the hollow part of the guide sleeves 28 and can move up and down in the hollow part of the guide sleeves 28, and a height locking device 32 is arranged between the tops of the two guide sleeves 28 and can fix the relative positions of the upper and lower guide shafts 17 and the guide sleeves 28, so that the stepless adjustment of the overall height of the shaft sleeve fixing device 3 is realized.
As shown in fig. 6 and 7, the shaft sleeve supporting device includes an open box-shaped bracket 12, the cross section of which is U-shaped, two ends of the rolling shaft 11 are respectively fixed with two opposite side walls of the bracket 12, two ends of the rolling shaft 11, which are located at the outer side of the side walls of the bracket 12, are fixed by nuts to prevent the rolling shaft 11 from falling off the bracket 12, in the embodiment provided by the invention, a plurality of rolling shafts 11 are uniformly fixed in a bracket 12, a supporting roller 10 with a V-shaped structure is sleeved on the same position of each rolling shaft 11, the shaft hole of a shaft sleeve 22 faces to an axle 20, in order to avoid the shaft sleeve from tipping over, the pressing mechanism 5 as described in the axle fixing device 2 can be arranged on the top of the bracket 12, but the pressure is small, the anti-tipping effect is achieved, but the pressing mechanism can be driven by the rolling shaft 11 to move towards the axle 20, so that the shaft hole of the sleeve 22 is aligned with the axle 20, and the assembly of the sleeve 22 with the axle 20 is performed. The top of the two opposite side walls of the bracket 12, to which the rolling shaft 11 is not fixed, is respectively fixed with a stopping mechanism 14, such as a baffle, which can prevent the shaft sleeve 22 from falling off from the bracket 12, and the specific structure of the stopping mechanism 14 is not limited, and the stopping mechanism can play a role in preventing falling off.
As shown in fig. 4 to 7, a through hole is formed in the central position of the bottom plate of the bracket 12, a sleeve 13 is arranged at the through hole, the tops of the two upper and lower guide shafts 17 are connected through a connecting plate 31, a lower fixing seat 16 is fixed at the central position of the connecting plate 31, the lower fixing seat 16 can be fixed with the connecting plate 31 in a welding manner, the bottom of the upper fixing seat 27 is fixed with the lower fixing seat through a pin shaft, the upper fixing seat 27 can rotate around the pin shaft, and the relative angle between the upper fixing seat 27 and the connecting plate 31 can be adjusted. The bearing 15 is fixed on the top of the upper fixing seat 27, and the bearing 15 is inserted into the sleeve 13 and can rotate in the sleeve 13, so that the shaft sleeve supporting device 25 and the multi-degree-of-freedom adjusting mechanism 26 are fixed into an integral structure.
The sleeve 13 rotates around the bearing 15 to form a horizontal adjusting mechanism of the multi-degree-of-freedom adjusting mechanism 26, and the sleeve 13 drives the shaft sleeve supporting device 25 to rotate around the axis of the bearing 15, so that the horizontal direction of the shaft sleeve 22, especially the horizontal direction of the axis of the shaft sleeve 22, is adjusted. The upper fixing base 27 rotates relative to the fixing direction of the connecting plate 31 to form a vertical adjusting mechanism of the multi-degree-of-freedom adjusting mechanism 26, the upper fixing base 27 rotates around a pin fixed with the lower fixing base 16 to drive the shaft sleeve supporting device 25 to rotate forwards and backwards (the direction close to the axle 20 is the front direction), so that the adjustment of an included angle between the axis of the shaft sleeve 22 and the horizontal line, namely the adjustment of the axis of the shaft sleeve 22 in the vertical direction is driven, the axis of the shaft sleeve 22 is aligned with the axis of the axle 20, and the shaft sleeve 22 and the axle 20 are accurately installed on the same straight line. The upper and lower guide shafts 17 are matched with the guide bush 28 to form a height adjusting mechanism of the multi-degree-of-freedom adjusting mechanism 26, and the upper and lower guide shafts 17 are telescopic in the guide bush 28, and the connecting plate 31 at the top of the upper and lower guide shafts 17, the upper/lower fixed seats 16/28 fixed with each other, the sleeve 13 and the bearing 15 matched with each other are used for driving the height adjustment of the bracket 12 and the shaft sleeve 22, so that the shaft center of the shaft sleeve 22 is aligned with the shaft center of the axle 20. The movement of the linear rail 19 on the rail drives the whole shaft sleeve fixing device 3 to move on the base 4, and the linear rail adjustment is matched with the three adjusting mechanisms to be respectively adjusted according to requirements, so that the shaft center of the shaft sleeve 22 is aligned with the shaft of the axle 20 and is on the same straight line, and the automatic installation of the shaft sleeve 22 and the axle 20 is realized under the driving of the rolling shaft 11. The V-shaped supporting roller 10 of the shaft sleeve supporting device 25 can adapt to shaft sleeves 22 with different structures and sizes, and the V-shaped positioning surface of the axle fixing device 2 can adapt to axles with different diameters, so that self-adaptive and flexible precise assembly of the shaft sleeve and the axle of the bogie wheel pair is realized.
It should be noted that, the three adjusting mechanisms, such as the height adjusting mechanism, have a locking function, and have a height locking device 32, as shown in fig. 4, the height locking device includes a connecting member 33 and an adjusting screw 35, two ends of the connecting member 33 are fixed to the upper and lower guide shafts 17, and a rubber pad is disposed at the fixing position, so that damage to the two components due to hard contact between the fixing position of the connecting member 33 and the guide sleeve 28 is avoided. The top of adjustment lead screw 35 is fixed with the bottom at the central point of connecting plate 31, screw-nut 36 has been cup jointed on connecting piece 33, connecting piece 33 passes the shaft hole on screw-nut 36 and adjusts lead screw 35 threaded connection, screw-nut 36 all is equipped with spanner 34 on the surface that is located the upper and lower both ends of connecting piece 33, promote spanner 34, screw-nut 36 drives connecting piece 33 along adjustment lead screw 35 straight-line rising or decline, connecting piece 33 drives upper and lower guide shaft 17 and goes up and down in guide pin bushing 28, realize the regulation of axle sleeve fixing device 3 overall height, when the adjustment is in place, no longer promote spanner 34, then can realize the fixed of high position. The connecting piece 33 is matched with the adjusting screw rod 35, the screw rod nut 36 and the wrench 34 to realize the height adjusting and locking functions, and simultaneously, the two upper guide shafts 17 and the lower guide shafts 17 are connected, so that the functions of enhancing the integral strength of the height adjusting mechanism and preventing deformation and deformation are further realized. An adjusting rod 37 is connected between the bottom plate of the support 12 and the connecting plate 31, two ends of the adjusting rod are respectively fixed at opposite positions with the support 12 and the connecting plate 31 through nuts, when the angle between the axis of the shaft sleeve 22 and the horizontal plane needs to be adjusted, two nuts fixed with the support 12 are loosened, the support 12 is pushed, the lower fixing seat 27 rotates around the fixing pin shaft, after the vertical angle is adjusted in place, the two nuts are fixed again, the locking effect is achieved, namely the adjusting rod 37 is matched with the nuts, and the locking function in the vertical direction is achieved. Since the horizontal adjustment is performed by the relative rotation of the bearing 15 and the sleeve 13, arc-shaped guide grooves (not shown) are respectively formed on the bottom plate of the bracket 12 and the connecting plate 31, so that the adjusting rod 37 can slide in the guide grooves when the sleeve support device 25 rotates relative to the connecting plate 31 to perform the horizontal adjustment, so that the adjusting rod 37 does not hinder the horizontal adjustment. The bearing 15 and the sleeve 13 can be provided with a locking piece commonly used in the prior art, and can realize the functions of adjusting and locking in the horizontal direction and the vertical angle simultaneously through the matching of the adjusting rod 37 and a nut. In practical applications, the locking structure in the height direction, the horizontal direction and the vertical angle may adopt any structure in the prior art, and the embodiment provided by the invention only provides a specific structure, but is not taken as a limitation on the structural form.
In the process of assembling the bogie wheel set shaft sleeve and the axle, the fixing positions and the fixing intervals of two or more axle fixing seats 27 in the axle fixing device 2 on the supporting seat 23 are reasonably determined according to the specific structure, the size and the mounting positions of other components of the axle assembly, the axle 20 of the axle assembly 1 is placed on the V-shaped positioning surface of the axle fixing seat 27 by using a crown block and other devices for quick initial positioning, and the axle 20 is fastened by using the pressing mechanism 5 after the position is confirmed to be correct to prevent the axle from moving relatively. The axle sleeve 22 is placed on the V-shaped supporting roller 10 of the axle sleeve supporting device 25, the V-shaped supporting roller 10 is used for positioning and supporting, the position of the axle sleeve 22 is ensured to be consistent relative to the assembling direction, the angle deviation in the assembling process is avoided, the axle sleeve 22 is prevented from tipping by the pressing mechanism, the line rail 19 moves on the track of the base 4, the precise adjustment of the left and right positions of the axle sleeve fixing device 3 relative to the axle assembly 1 is realized, the line rail 19 has a locking function, the stepless adjustment is realized, and the positioning precision reaches +/-0.02 mm; promote spanner 34, drive axle sleeve 22 and rise or descend, realize the precision adjustment of axle sleeve 22 upper and lower position, rotation of rethread bearing 15 in sleeve 13, go up fixing base 27 around the rotation of fixed pin axle, and lock, realize axle sleeve 22 at the horizontal direction and with vertical angle's meticulous fine setting, the adjustment back, thereby realize axle sleeve 22 for the multi-angle accurate positioning of axletree 20, and then under the drive of roll axis, accomplish quick precision assembly. The positioning precision can reach +/-0.02 mm through the precision adjustment, so that the high-precision assembly is realized.
In the embodiment of the present invention, the components such as the component connecting plate 31, the connecting member 33, the upper and lower guide shafts 17, and the guide bush 28 may have any structure, and the structural form of the components may not be limited by names.
In the embodiment provided by the invention, in the process of assembling the bogie wheel set shaft sleeve and the axle, the shaft sleeve fixing device 3 is used for replacing manual holding to realize multi-degree-of-freedom precise adjustment, the installation process is stable, repeated adjustment is not needed, the problems of surface damage and quality loss caused by shaft sleeve blocking due to forced installation of workers when the stability of manual holding is poor and the axes of the axle 20 and the shaft sleeve 22 cannot be on the same straight line in the existing manual assembly process are solved, the adjustment times are few, the assembly operation period is short, and the working efficiency is high.
In summary, compared with the prior art, the bogie wheel set shaft sleeve and axle assembly device provided by the invention has the following advantages: through with the axletree, the axle sleeve is arranged fixing device in and is carried out initial positioning, carry out the pre-installation through accurate mechanical mechanism, it is poor to have avoided artifical handheld equipment positioning accuracy, the packaging efficiency that adjustment leads to is adjusted repeatedly is low, problem such as assembling process unstability, the accurate positioning of axletree and axle sleeve assembling process has been realized, carry out the meticulous adjustment to axletree and axle sleeve position through multi freedom guiding mechanism, size error in axletree and the axle sleeve assembling process has been compensated to the flexibility, positional deviation and angular deviation, the quick location of axle sleeve and axletree assembling process has been realized, flexible adjustment and accurate equipment.
Similar solutions can be derived as described above in connection with the given solution content. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a bogie wheel set axle sleeve and axletree assembly device, includes bogie support base, its characterized in that: the axle sleeve fixing device is used for limiting the position of the axle to be immovable and supporting the axle sleeve and enabling the axle sleeve to rotate to be assembled with the axle;
the shaft sleeve fixing device comprises a shaft sleeve supporting device and a multi-degree-of-freedom adjusting mechanism which are fixed with each other, the multi-degree-of-freedom adjusting mechanism is placed on the base, the position of the shaft sleeve is adjusted through multi-degree of freedom after the shaft sleeve is fixed, and the multi-degree-of-freedom adjusting mechanism comprises a height adjusting mechanism, a horizontal adjusting mechanism and a vertical adjusting mechanism which are connected with each other and respectively provided with a locking device;
the height adjusting mechanism comprises an upper guide shaft, a lower guide shaft and a guide sleeve, wherein the upper guide shaft and the lower guide shaft can slide in an inner cavity of the guide sleeve and are positioned through a locking device;
the center position of the bottom of the shaft sleeve supporting device is provided with a through hole, the through hole is provided with a sleeve, the tops of the two upper and lower guide shafts are connected through a connecting plate, the center position of the connecting plate is fixedly provided with a lower fixed seat, the bottom of the upper fixed seat is fixed with the lower fixed seat through a pin shaft, the upper fixed seat can rotate around the pin shaft to adjust the relative angle of the upper fixed seat and the connecting plate, the upper fixed seat rotates relative to the fixed direction of the connecting plate to form a vertical adjusting mechanism of the multi-freedom-degree adjusting mechanism, the top of the upper fixed seat is fixedly provided with a bearing, the bearing is inserted into the sleeve and can rotate in the sleeve, and the sleeve rotates around the bearing to form a horizontal adjusting mechanism of the multi-;
adjusting rods are respectively arranged on two sides of the lower fixing seat, and two ends of each adjusting rod are respectively fixed to the bottom of the connecting plate and the bottom of the shaft sleeve supporting device and are limited through nuts.
2. A truck wheelset cup and axle assembly as defined in claim 1 wherein: the axle fixing device comprises a supporting seat fixed with the base, an axle fixing seat and a pressing mechanism limiting the position of the axle to be immovable, wherein the bottom of the axle fixing seat and the top of the supporting seat are fixed through an adjusting locking mechanism, and the fixing position is adjustable.
3. A truck wheelset cup and axle assembly as defined in claim 2 wherein: the top of axletree fixing base is equipped with the V-arrangement locating surface that is used for placing the axletree.
4. A truck wheelset cup and axle assembly as defined in claim 2 wherein: the pressing mechanism comprises a movable pressing arm and a pressing arm, the movable pressing arm is U-shaped, two vertical sides of the U-shaped are respectively pivoted with two ends of the top of the axle fixing seat and can be detachably fixed, and the other end of the U-shaped is in threaded fixation with the center of the transverse side of the movable pressing arm through the pressing arm and can be adjusted in fixed height through threads.
5. A truck wheelset cup and axle assembly as defined in claim 1 wherein: the shaft sleeve supporting device comprises a support, a plurality of rolling shafts and V-shaped supporting rollers, the cross section of the support is U-shaped, the rolling shafts are evenly arranged in the support, the V-shaped supporting rollers are fixed at the same positions of the rolling shafts, and the shaft sleeve moves on the V-shaped supporting rollers and is fixed with the axle under the driving of the rolling shafts.
6. A truck wheelset cup and axle assembly as defined in claim 1 wherein: the bottom of the shaft sleeve fixing device is provided with a linear rail, and the position of the whole shaft sleeve fixing device on the base is moved left and right along the rail of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920457.2A CN109015512B (en) | 2018-08-14 | 2018-08-14 | Bogie wheel set shaft sleeve and axle assembly device |
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| CN201810920457.2A CN109015512B (en) | 2018-08-14 | 2018-08-14 | Bogie wheel set shaft sleeve and axle assembly device |
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| CN109015512A CN109015512A (en) | 2018-12-18 |
| CN109015512B true CN109015512B (en) | 2020-09-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110834188A (en) * | 2019-10-28 | 2020-02-25 | 中车青岛四方机车车辆股份有限公司 | Variable-track-pitch wheel-to-axle box bearing assembling device and assembling method |
| CN111300303A (en) * | 2020-02-24 | 2020-06-19 | 泉州市鑫鼎合德技术服务有限公司 | Fine adjustment type supporting frame for large-scale pipeline installation |
| CN113997068B (en) * | 2021-10-31 | 2024-02-20 | 中车南京浦镇车辆有限公司 | Frame suspension type direct-drive steering frame hub disc, motor and shaft coupling mounting assembly and method |
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| JP2014240103A (en) * | 2013-06-11 | 2014-12-25 | コータキ精機株式会社 | Wheel temporary insertion device |
| CN204171589U (en) * | 2014-09-30 | 2015-02-25 | 凯迈（洛阳）测控有限公司 | Workpiece docking facilities and workpiece posture adjustment rack thereof |
| CN105280416A (en) * | 2015-10-30 | 2016-01-27 | 河南平高电气股份有限公司 | T-shaped arc extinguishing chamber component butt-joint tool |
| CN205271306U (en) * | 2015-12-28 | 2016-06-01 | 广东富华重工制造有限公司 | Axletree mount support |
| CN206811440U (en) * | 2017-04-25 | 2017-12-29 | 北京新联铁集团股份有限公司 | Bearing press mounting dismounting machine for wheel pair |
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| JP2014240103A (en) * | 2013-06-11 | 2014-12-25 | コータキ精機株式会社 | Wheel temporary insertion device |
| CN204171589U (en) * | 2014-09-30 | 2015-02-25 | 凯迈（洛阳）测控有限公司 | Workpiece docking facilities and workpiece posture adjustment rack thereof |
| CN105280416A (en) * | 2015-10-30 | 2016-01-27 | 河南平高电气股份有限公司 | T-shaped arc extinguishing chamber component butt-joint tool |
| CN205271306U (en) * | 2015-12-28 | 2016-06-01 | 广东富华重工制造有限公司 | Axletree mount support |
| CN206811440U (en) * | 2017-04-25 | 2017-12-29 | 北京新联铁集团股份有限公司 | Bearing press mounting dismounting machine for wheel pair |
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