CN214213637U - Auxiliary tool for dismounting side bearing body - Google Patents

Abstract

The utility model discloses an auxiliary tool for dismounting a side bearing body, which comprises a base, and a fixing piece, a fulcrum seat, a split lever and an assembling lever which are arranged on the base; the fixing piece is used for positioning the side bearing seat, the fulcrum seat is arranged beside the fixing piece along the longitudinal direction of the side bearing body, and one of the split lever and the assembling lever can be hinged to the fulcrum seat. The scheme is applied to press mounting and splitting of the side bearing body, matching conditions such as wind energy and electric energy are not needed in actual operation, the gap between the upper plane of the wear plate of the side bearing body and the upper plane of the roller shaft can be adjusted by utilizing the cam principle, and the side bearing body wear plate has good construction operation convenience. Meanwhile, the device has the characteristics of simple structure, small size and light weight, can meet the batch production tasks of vehicle newly-built maintenance and the like, can also meet the maneuvering repair of gaps formed by side bearing bodies in the running and temporary repair processes of vehicles, and has better application prospect.

Description

Auxiliary tool for dismounting side bearing body

Technical Field

The utility model relates to a track traffic technical field, concretely relates to side bearing body dismouting is with assisting utensil.

Background

In the whole service life of the vehicle, such as new construction, application and maintenance, the clearance between the side bearing roller and the upper side bearing is required to be ensured. In order to guarantee the vehicle operation in-process, can effectively restrain the vehicle snakelike motion of shaking the head and the shake of rolling on one's side, improve the stability stationarity of freight train high-speed operation, reduce the impact of vehicle to the track.

The side bearing body forms the size of the gap between the upper plane of the wearing plate and the roller, directly influences the change of the gap of the side bearing, and even causes the over-tolerance of the gap of the side bearing to be incapable of being adjusted. At present, the distance from the plane on the wearing plate to the radial bottommost end of the roller is specified by new technical conditions and maintenance regulations. For the composition of the over-tolerance side bearing body, the adjustment can be carried out by additionally arranging an adjusting base plate between the side bearing seat and the side bearing body.

In the prior art, during press mounting or dismounting of the side bearing body, professional dismounting equipment is adopted for press mounting and dismounting. The device is limited by the working mechanism, has the defects of high manufacturing cost, complex structure and large occupied area, and the corresponding device needs a corresponding energy interface and does not have the capability of mechanical action industry.

In view of the above, a new approach is needed to provide an innovative solution for the dismounting operation of the side bearing body to solve the above-mentioned drawbacks of the existing dismounting device.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a side bearing body dismouting is with assisting utensil on the basis that need not wind energy, electric energy condition, can realize the split and the installation of side bearing body simply reliably.

The utility model provides an auxiliary tool for dismounting a side bearing body, which comprises a base, and a fixing piece, a fulcrum seat, a split lever and an assembling lever which are arranged on the base; the fixing piece is used for positioning the side bearing seat, the fulcrum seat is arranged beside the fixing piece along the longitudinal direction of the side bearing body, and one of the split lever and the assembling lever can be hinged to the fulcrum seat; wherein the resistance end of the split lever has a first force application portion configured to: the device can pass through an end face opening of the side bearing seat and press against an end face of a side bearing body, a resistance arm constructed by the first force application part is larger than the horizontal distance from the end face of the side bearing body to a hinge center before disassembly and assembly, the first force application part positioned at a disassembly initial working position is lower than the hinge center, and the disassembly lever longitudinally compresses the side bearing body to generate deformation when rotating along a first direction from the disassembly initial working position; wherein the resistance end of the assembly lever has a second force application portion and a third force application portion, the second force application portion being configured to: the assembly lever can penetrate through an end face opening of the side bearing seat and press against the end face of a side bearing body, a resistance arm constructed by the second force application part is larger than the horizontal distance from the end face of the side bearing body to a hinge center after installation, the second force application part positioned at an installation initial working position is higher than the hinge center, and the assembly lever longitudinally compresses the side bearing body to generate deformation when rotating along a second direction from the installation initial working position; the third force application portion is configured to: when the pressing position of the end surface of the side bearing body and the second force application part rotates to be flush with the hinge center or rotates to a position before being flush with the hinge center, the third force application part penetrating through the end surface opening of the side bearing seat can press the upper surface of the side bearing body and form a pressing acting force.

Preferably, the fixing part comprises a pressing plate which is arranged along the longitudinal direction of the side bearing body and opposite to the fulcrum seat, and the pressing plate is provided with a longitudinal limiting surface which is matched with the end surface of the side bearing seat.

Preferably, the pressure plate is also provided with a vertical limiting surface which is matched with the upper surface of the side bearing seat.

Preferably, the longitudinal limiting surface is formed on the end surface of the body of the pressing plate, and the vertical limiting surface is formed on the lower surface of a projection extending longitudinally from the body of the pressing plate.

Preferably, the fixing member further comprises: and the two transverse positioning blocks are respectively arranged on two sides relative to the longitudinal center line of the side bearing seat, and each transverse positioning block is provided with a transverse limiting surface adapted to the side surface of the side bearing seat.

Preferably, the number of the transverse positioning blocks is four, and the transverse positioning blocks are symmetrically arranged on two sides of the longitudinal center line of the side bearing seat.

Preferably, the fulcrum seat comprises two fulcrum seat plates arranged at intervals, and pin shafts are detachably inserted in the two fulcrum seat plates and hinged to the split lever or the assembly lever.

Preferably, the first force application part is an outer convex cambered surface.

Preferably, the second force application portion is a first protrusion extending laterally from the resistance end body of the assembly lever, and the third force application portion is a second protrusion extending in the same direction along the resistance end body of the assembly lever.

Preferably, the disassembly lever and the assembly lever are each configured to: the power arm is larger than the resistance arm.

To current side bearing, the utility model discloses creatively provided and need not conditions such as wind energy, electric energy can accomplish the pressure equipment of side bearing body constitution and the supplementary utensil of split work. Specifically, the disassembling lever and the assembling lever of the assistive device can be alternatively hinged with the fulcrum seat; the first force application part of the split lever can penetrate through an end face opening of the side bearing seat to press against the end face of the side bearing body, a resistance arm constructed by the first force application part is larger than the horizontal distance from the end face of the side bearing body to a hinge center before disassembly and assembly, the first force application part located at the initial working position of the split is lower than the hinge center, when the split lever is disassembled, the force application end of the split lever is pressed downwards to rotate along the first direction (anticlockwise direction), the side bearing body can be longitudinally compressed to deform so as to be separated from the side bearing body seat, the split lever is continuously pressed downwards to rotate at the moment, and the friction force between the first force application part and the end face of the side bearing body is utilized to drive the side bearing body to be completely separated from the side bearing seat. The second force application part of the assembly lever can pass through the end surface opening of the side bearing seat to press the end surface of the side bearing body, a resistance arm constructed by the second force application part is larger than the horizontal distance from the end surface of the side bearing body to a hinge center after installation, the second force application part positioned at an initial installation working position is higher than the hinge center, and during installation operation, the force application end of the assembly lever is lifted up to rotate along a second direction (clockwise direction) so as to longitudinally compress the side bearing body to generate deformation and press the side bearing body into the side bearing body seat; and at the moment, the assembling lever is continuously lifted up to rotate, and the upper surface of the side bearing body is pressed down by using the third force application part until the side bearing body is completely embedded in the side bearing seat. Compared with the prior art, the scheme has the following beneficial effects:

firstly, the scheme is applied to press mounting and splitting of the side bearing body, matching conditions such as wind energy and electric energy are not needed in actual operation, the gap between the upper plane of the wear plate of the side bearing body and the upper plane of the roller shaft can be adjusted by utilizing the cam principle, and the construction operation convenience is better.

Secondly, this scheme simple structure, small and exquisite light can satisfy vehicle newly make batch production tasks such as maintenance, also can satisfy the vehicle operation, the in-process of repairing, the motor-driven repair in clearance is constituteed to the side bearing body, has better application prospect.

Thirdly, in the preferred scheme of the utility model, the pressing plate and the transverse positioning baffle are respectively utilized to provide longitudinal and transverse positioning in the operation process, and the side bearing is convenient to take and place; this can further improve the workability of the attaching and detaching operation of the side bearing body.

Drawings

FIG. 1 illustrates an initial disassembled state of the side bearing body attaching and detaching auxiliary tool according to the embodiment;

FIG. 2 is a view showing a state where the side bearing body attaching/detaching auxiliary according to the embodiment is completely detached;

FIG. 3 is an axial schematic view of the disassembled initial state shown in FIG. 1;

FIG. 4 is an axial schematic view of the completed disassembly shown in FIG. 2;

FIG. 5 shows an initial state of the side bearing body attaching/detaching auxiliary tool according to the embodiment;

FIG. 6 shows a state in which the side bearing body attaching/detaching auxiliary tool according to the embodiment is completely attached;

FIG. 7 is an axial schematic view of the initial installation condition shown in FIG. 5;

FIG. 8 is an axial schematic view of the installation shown in FIG. 6;

FIG. 9 shows a schematic view of a split lever according to an embodiment;

fig. 10 shows a schematic view of an assembled lever according to an embodiment.

In the figure:

the device comprises a base 1, a fulcrum seat 2, a split lever 3, a first force application part 31, an assembly lever 4, a second force application part 41, a third force application part 42, a pin shaft 5, a pressure plate 6, a longitudinal limiting surface 61, a vertical limiting surface 62 and a transverse positioning baffle 7;

a side bearing body A and a side bearing seat B.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Without loss of generality, the present embodiment uses the side bearing shown in the drawings as a description main body, and describes an auxiliary tool for dismounting the side bearing in detail. It should be understood that the main bodies of the side bearing, such as the side bearing body a and the side bearing seat B, constitute the core points of the invention other than the present application, and do not substantially limit the technical solution claimed in the present application.

The auxiliary tool for dismounting the side bearing body comprises a base 1, the base 1 is used as a basic bearing and supporting functional structure, fixing pieces (6 and 7) used for positioning a side bearing seat B are arranged on the base 1, and a fulcrum seat 2 used for installing a split lever 3 and an assembly lever 4, wherein the split lever 3 and the assembly lever 4 can be selectively hinged on the fulcrum seat 2 and are respectively used for splitting or assembling the side bearing. That is, the lever needs to be replaced by the pin 5 disposed on the fulcrum seat 2 during disassembly and assembly.

Referring to fig. 1 and 2, fig. 1 shows an initial state of the side bearing body mounting/dismounting aid according to the present embodiment, and fig. 2 shows a completed state of the side bearing body mounting/dismounting aid.

In the scheme, the fulcrum seat 2 is arranged beside the fixing parts (6 and 7) along the longitudinal direction of the side bearing body, so that a split force application lever (a split lever 3 and an assembly lever 4) is configured beside the positioned side bearing to be processed. As shown in the figure, the resistance end of the splitting lever 3 has a first urging portion 31, and the first urging portion 31 is configured to: the end face opening that can pass side bearing seat B presses and supports side bearing body A terminal surface, and resistance arm L1 that first application of force portion 31 founded is greater than before the dismouting side bearing body A terminal surface to the horizontal distance L of articulated center (based on the lever fulcrum that round pin axle 5 formed), as shown in fig. 1, the first application of force portion 31 that is located split initial work position is less than articulated center, when the split lever rotated along first direction (the direction that the arrow in fig. 1) from split initial work position, based on the effect of the resistance arm that first application of force portion 31 founded, utilize cam principle vertical compression this side bearing body A to produce deformation to break away from side bearing body seat B. At this time, the detaching lever 3 is pressed down continuously to rotate, and as shown in fig. 2, the first force application portion 31 and the end surface of the side bearing body a are used to drive the side bearing body a to be separated from the side bearing seat B completely. Please refer to fig. 3 and fig. 4 together, wherein fig. 3 is an axial view before the detachment shown in fig. 1, and fig. 4 is an axial view after the detachment shown in fig. 2.

Referring to fig. 5 and 6, fig. 5 shows an initial state of the side bearing body mounting/dismounting aid according to the present embodiment, and fig. 6 shows a completed state of the side bearing body mounting/dismounting aid.

As shown in the drawing, the resistance end of the assembly lever 4 has a second urging portion 41 and a third urging portion 42, and the second urging portion 41 is arranged such that: the end face opening of the side bearing seat B can be penetrated to press the end face of the side bearing body a, as shown in fig. 3, and the resistance arm L2 constructed by the second force application part 41 is larger than the horizontal distance L from the end face of the side bearing body a to the hinge center after installation, as shown in fig. 3, the second force application part 41 located at the installation initial working position is higher than the hinge center, when the assembly lever 4 rotates along the second direction (direction indicated by arrow in fig. 5) from the installation initial working position, the side bearing body a is longitudinally compressed by using the cam principle to generate deformation based on the effect of the resistance arm constructed by the second force application part 41, so as to be pressed into the side bearing body seat. At this time, the assembly lever 4 is continuously lifted upwards to rotate, the pressing position of the end surface of the side bearing body A and the second force application part 41 rotates to be flush with the hinge center, the third force application part 42 penetrating through the opening of the end surface of the side bearing B can press the upper surface of the side bearing body A to form a pressing force, the assembly lever 4 is continuously rotated, the third force application part 42 presses the upper surface of the side bearing body A downwards by utilizing the lever principle, the cam mechanism does not play a role in longitudinal compression gradually any more, and the pressing is continued until the side bearing body A is completely embedded in the side bearing B. Referring to fig. 7 and 8 together, fig. 7 is an axial view showing an initial state of the installation shown in fig. 5, and fig. 8 is an axial view showing a completed state of the installation shown in fig. 6.

Of course, the second biasing portion 41 and the third biasing portion 42 of the lever 4 may be assembled by adopting the following structural design along the second direction: when the pressing position of the end surface of the side bearing body a and the second force application part 41 is rotated to a position before being flush with the hinge center, the third force application part 42 can press and press the upper surface of the side bearing body a, that is, the working phases of the third force application part 42 and the second force application part 41 are overlapped, so as to ensure that the installation operation is smoothly performed.

The scheme is applied to press mounting and splitting of the side bearing body, matching conditions such as wind energy and electric energy are not needed in actual operation, the gap between the upper plane of the wear plate of the side bearing body and the upper plane of the roller shaft can be adjusted, and the construction operation convenience is good. Meanwhile, the auxiliary tool is simple in structure, small, exquisite and light, can meet the batch production tasks of vehicle newly-manufactured maintenance and the like, and can also meet the maneuvering repair of gaps formed by side bearing bodies in the running and temporary repair processes of vehicles.

In order to make the pressing friction during the detachment more reliable, the first force application portion 31 of the detachment lever 3 may preferably be an outward convex arc surface. Referring also to fig. 9, a schematic view of the split lever 3 is shown. Of course, the splitting lever 3 is designed to be integrally formed, so as to have good bearing performance.

Further, the structural form of the second urging portion 41 and the third urging portion 42 of the assembly lever 4 can be further optimized. Referring also to fig. 10, a schematic view of the assembly lever 4 is shown.

As shown in the figure, the second urging portion 42 is a first protrusion extending laterally (downward in the drawing) from the resistance end body of the assembly lever 4, and the third urging portion 43 is a second protrusion extending in the same direction along the resistance end body of the assembly lever 4. Similarly, the assembly lever 4 is designed to be integrally formed with a good bearing performance.

As further shown, the split lever 3 and the assembly lever 4 are each configured to: the power arm is larger than the resistance arm so as to reasonably control the operation intensity of an operator.

It should be noted that the fixing member for positioning the side bearing seat B may be implemented by different specific structures, and it is within the scope of the present application as long as the reliable positioning during the dismounting operation can be satisfied.

For example, but not limited to, the fixing member includes a pressing plate 6 disposed opposite to the fulcrum seat 2 along the longitudinal direction of the side bearing body, the pressing plate 6 has a longitudinal limiting surface 61 adapted to the end surface of the side bearing seat a, and a vertical limiting surface 62 adapted to the upper surface of the side bearing seat a may be further provided. Specifically, the longitudinal stopper surface 61 is formed by a body end surface of the pressing plate 6, and the vertical stopper surface 62 is formed by a lower surface of a projection extending longitudinally from the body thereof.

The fixing element furthermore comprises a transverse detent 7 with a transverse limiting surface (not shown) adapted to the side of the side bearing. In the scheme, the four transverse positioning baffles 7 are symmetrically arranged on two sides of the longitudinal central line of the side bearing seat B. Of course, the number of the lateral positioning blocks 7 is not limited to the single-side two arrangement shown in the figure, and the lateral limit of the side bearing seat B can be formed by using other plurality of lateral positioning blocks 7.

Therefore, the pressing plate 6 and the transverse positioning block 7 are respectively utilized to provide longitudinal and transverse positioning in the operation process, the side bearing is convenient to take and place, and the operability of the side bearing body dismounting operation can be further improved.

In order to facilitate the lever quick replacement, the fulcrum seat 2 can adopt two fulcrum seat plates arranged at intervals, and the pin shaft 5 is detachably inserted and arranged on the two fulcrum seat plates to be hinged with the split lever 4 or the assembly lever 4. By the arrangement, on the basis of quickly replacing the lever, the stability of the operation of the corresponding lever can be improved,

on the whole, this scheme other side holds body dismouting and adopts following theory of operation with assisting:

1. the cam working principle is realized by utilizing a lever mechanism.

The height of the fulcrum seat for fixing the lever corresponds to the center height of the side notch of the side bearing seat, so that when the lever is disassembled or assembled, the elastic side bearing is longitudinally compressed by utilizing the cam principle when the working end surface reaches the same height as the fulcrum seat until the side metal plate formed by the side bearing body is completely separated from the side bearing seat.

2. The assembling lever mechanism is designed with a double-head lever mechanism, and realizes the pressing action while completing the longitudinal compression of the cam mechanism.

When the side bearing body assembly is installed, the assembly lever mechanism is utilized to assemble, the assembly lever is pulled from bottom to top, when the working end face of the lever reaches the same height as the fulcrum seat, the elastic side bearing is longitudinally compressed by utilizing the cam principle, at the moment, the lower side face of the other end of the lever mechanism is contacted with the upper end face of the metal plate of the side bearing body, the lever principle is utilized to press down, when the lever continues to rotate downwards, the working end face of the lever is lower than the center height of the side gap of the side bearing seat, the cam mechanism does not gradually play a role of longitudinal compression any more, and the lever continues to press down the side bearing body assembly until the metal plate of the side bearing body enters the installation position, so that the assembly is completed.

3. The link mechanism is realized by utilizing the side bearing seat structure and the friction force between the side bearing body assembly and the lever.

When the side bearing is disassembled and assembled, the side metal plate formed by the side bearing body and the installation position of the side bearing seat are regarded as fixed points (far away from the lever end), and after the side bearing body is compressed to the minimum length by the lever, the working surface of the lever and the side bearing body (including friction force) are regarded as hinged points, so that the transient connecting rod works.

It should be noted that the pressing plate and the lateral positioning stopper in the present embodiment are only one preferred implementation, and it should be understood that other modifications can be made based on the design concept of the present disclosure regarding positioning, and it is within the scope of the present application as long as reliable positioning can be obtained.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims (10)

1. Side bearing body dismouting is with assisting utensil, its characterized in that, including the base, and set up and be in on the base:

the fixing piece is used for positioning the side bearing seat;

the fulcrum seat is arranged beside the fixing piece along the longitudinal direction of the side bearing body;

the disassembling lever and the assembling lever can be hinged to the fulcrum seat;

wherein the resistance end of the split lever has a first force application portion configured to: the device can pass through an end face opening of the side bearing seat and press against an end face of a side bearing body, a resistance arm constructed by the first force application part is larger than the horizontal distance from the end face of the side bearing body to a hinge center before disassembly and assembly, the first force application part positioned at a disassembly initial working position is lower than the hinge center, and the disassembly lever longitudinally compresses the side bearing body to generate deformation when rotating along a first direction from the disassembly initial working position;

wherein the resistance end of the assembly lever has a second force application portion and a third force application portion, the second force application portion being configured to: the assembly lever can penetrate through an end face opening of the side bearing seat and press against the end face of a side bearing body, a resistance arm constructed by the second force application part is larger than the horizontal distance from the end face of the side bearing body to a hinge center after installation, the second force application part positioned at an installation initial working position is higher than the hinge center, and the assembly lever longitudinally compresses the side bearing body to generate deformation when rotating along a second direction from the installation initial working position; the third force application portion is configured to: when the pressing position of the end surface of the side bearing body and the second force application part rotates to be flush with the hinge center or rotates to a position before being flush with the hinge center, the third force application part penetrating through the end surface opening of the side bearing seat can press the upper surface of the side bearing body and form a pressing acting force.

2. The side bearing body attachment/detachment assistive device according to claim 1, wherein the fixing member includes:

and the pressing plate is arranged opposite to the fulcrum seat along the longitudinal direction of the side bearing body and is provided with a longitudinal limiting surface which is matched with the end surface of the side bearing seat.

3. The side bearing body auxiliary tool for disassembly and assembly of claim 2, wherein the pressure plate further comprises a vertical limiting surface adapted to the upper surface of the side bearing seat.

4. An auxiliary tool for dismounting and mounting a side bearing body according to claim 3, wherein the longitudinal limiting surface is formed on the end surface of the body of the pressure plate, and the vertical limiting surface is formed on the lower surface of the projection extending longitudinally from the body of the pressure plate.

5. The side bearing body attaching/detaching auxiliary tool according to any one of claims 2 to 4, wherein said fixing member further comprises:

and the two transverse positioning blocks are respectively arranged on two sides relative to the longitudinal center line of the side bearing seat, and each transverse positioning block is provided with a transverse limiting surface adapted to the side surface of the side bearing seat.

6. The auxiliary tool for dismounting and mounting a side bearing body according to claim 5, wherein the number of the transverse positioning blocks is four, and the transverse positioning blocks are symmetrically arranged on two sides of the longitudinal center line of the side bearing seat.

7. The auxiliary tool for dismounting and mounting a side bearing body according to claim 1, wherein the fulcrum seat comprises two fulcrum seat plates arranged at intervals, and a pin shaft is detachably inserted and arranged on the two fulcrum seat plates so as to be hinged with the splitting lever or the assembling lever.

8. The auxiliary tool for dismounting and mounting a side bearing body according to claim 1, wherein the first force application part is an outwardly convex cambered surface.

9. The side bearing body attachment/detachment auxiliary tool according to claim 8, wherein the second urging portion is a first projection extending laterally from the resistance end body of the assembly lever, and the third urging portion is a second projection extending in the same direction along the resistance end body of the assembly lever.

10. The side bearing body attaching/detaching auxiliary tool according to claim 1, wherein each of said detaching lever and said assembling lever is configured to: the power arm is larger than the resistance arm.

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