CN220220264U - Medium-heavy type ditch crossing wheel - Google Patents

Abstract

The utility model belongs to the technical field of ditch crossing wheels, and discloses a medium and heavy ditch crossing wheel, which comprises: an upper plate, a lower plate and a bracket; a first bearing is arranged between the upper plate and the lower plate; the upper plate is rotationally connected with the lower plate through the first bearing, and the brackets are uniformly arranged at the bottom of the lower plate; the brackets with the head ends adjacent to the tail ends are rotatably provided with outer wheels, and the brackets with the middle adjacent to the tail ends are rotatably provided with inner wheels; the inner wheel and the outer wheel are arranged in a front-back and up-down staggered way; the inner wheels and the outer wheels which are arranged in a staggered structure from front to back and up to down can enable the carrier to smoothly cross ravines, obstacles and the like, so that the wheel body is prevented from being blocked; the bearing is used as a node for the horizontal rotation of the ditch crossing wheel, so that a smoother and stable rotation effect can be realized, the service life is ensured, the fit clearance is smaller, and the problems of possibility of overturning, noise generation and the like are reduced.

Description

Medium-heavy type ditch crossing wheel

Technical Field

The utility model relates to the technical field of ditch crossing wheels, in particular to a medium and heavy ditch crossing wheel.

Background

Under the scenes of railway tracks and the like, the groove crossing wheels are required to be used, so that equipment provided with the groove crossing wheels can move smoothly on an uneven or large-clearance contact surface, and if railway staff need to carry equipment to overhaul the railway, the bearing equipment with the groove crossing wheels can be used for loading overhaul tools to move on the railway; the structural simplicity, environmental adaptability, control convenience and the like of the traditional ditch crossing wheel are still to be improved.

Most of the ditch crossing wheels adopt a steel ball structure to enable the wheel body to achieve the effect of horizontal rotation, the steel balls have large noise in the rotation process, and the fit clearance among the fixing piece, the rotating piece and the wheel body is large, so that the rotation process is not smooth enough.

For this purpose, a medium and heavy type wheel is provided to solve the above problems.

Disclosure of Invention

In order to solve the problems, the application provides a medium and heavy type ditch crossing wheel.

The medium and heavy type ditch crossing wheel provided by the application adopts the following technical scheme:

a medium and heavy duty road wheel comprising: an upper plate, a lower plate and a bracket; a first bearing is arranged between the upper plate and the lower plate; the upper plate is rotationally connected with the lower plate through the first bearing, and the brackets are uniformly arranged at the bottom of the lower plate;

the brackets with the head ends adjacent to the tail ends are rotatably provided with outer wheels, and the brackets with the middle adjacent to the tail ends are rotatably provided with inner wheels; the inner wheel and the outer wheel are arranged in a front-back and up-down staggered mode.

Through the technical scheme, the inner wheels and the outer wheels which are arranged in a front-back and up-down staggered structure can enable the carrier to smoothly pass through ravines, obstacles and the like, so that the wheel body is prevented from being clamped; the bearing is used as a node for the horizontal rotation of the ditch crossing wheel, so that a smoother and stable rotation effect can be realized, the service life is ensured, the fit clearance is smaller, and the problems of possibility of overturning, noise generation and the like are reduced.

Further, the front-back dislocation distance between the inner wheel and the outer wheel is 60mm; the inner wheel is higher than the outer wheel, and the vertical dislocation distance between the inner wheel and the outer wheel is 6mm.

Through the technical scheme, the contact area of the crossing wheel can be effectively enlarged by front-back dislocation, so that larger ravines and barriers can be ensured to be crossed; the design of dislocation from top to bottom can be when the level ground in the interior wheel not contact ground, has reduced the wearing and tearing of interior wheel like this to a certain extent, also can make interior wheel and the outer wheel cooperation laminating uneven face in the process of crossing to guarantee holding power.

Further, a bearing seat is arranged on the lower plate, the first bearing is arranged in the bearing seat, and the bearing seat and the top of the first bearing are attached to the bottom of the upper plate; and a second bearing is arranged at the bottom of the bearing seat.

Through the technical scheme, the second bearing has the function of enhancing the smoothness in the process of convenient rotation; friction and vibration caused by unbalanced load are reduced, and abrasion and heat generation are reduced.

Furthermore, the bearing seat is also communicated with an oil filling nozzle.

Through above-mentioned technical scheme, the setting of glib can be after long-time use through glib injection lubricating oil etc. lubrication medium, lubricate in order to guarantee the rotation effect to the bearing inside.

Further, the device also comprises a main rivet, wherein the main rivet penetrates through the upper plate, the first bearing and the bearing seat to be finally fixedly connected with the lower plate, and the upper plate is rotatably connected with the main rivet; and a tightening nut in threaded connection with the main rivet is arranged in the lower plate.

Further, the outer wheel and the inner wheel have the same structure and are sequentially provided with a locknut, a telescopic rod screw, an anti-winding cover, an aluminum core polyurethane wheel body, a bearing III, a bearing pad pipe and a middle pipe from outside to inside.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) The inner wheels and the outer wheels which are arranged in a staggered structure from front to back and up to down can enable the carrier to smoothly cross ravines, obstacles and the like, so that the wheel body is prevented from being blocked;

(2) The bearing is used as a node for the horizontal rotation of the ditch crossing wheel, so that a smoother and stable rotation effect can be realized, the service life is ensured, the fit clearance is smaller, and the problems of possibility of overturning, noise generation and the like are reduced.

Drawings

FIG. 1 is a front view of the present application;

FIG. 2 is a left side view of itself;

fig. 3 is a partial cross-sectional view of fig. 2.

The reference numerals in the figures illustrate: 1. an upper plate; 2. a lower plate; 3. a bracket; 4. a first bearing; 5. an outer wheel; 6. an inner wheel; 7. a bearing seat; 8. a second bearing; 9. a fueling nozzle; 10. tightening the nut; 11. a locknut; 12. a rod retracting screw; 13. an anti-winding cover; 14. an aluminum core polyurethane wheel body; 15. a third bearing; 16. a bearing pad tube; 17. a middle tube; 18. and (5) a main rivet.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is apparent that the described embodiments are only a part of the embodiments of the present application, not all of the embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the scope of protection of the present application.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Examples:

the present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses medium and heavy type ditch crossing wheel includes: an upper plate 1, a lower plate 2 and a bracket 3; a first bearing 4 is arranged between the upper plate 1 and the lower plate 2; the upper plate 1 is rotationally connected with the lower plate 2 through a first bearing 4, and brackets 3 are uniformly arranged at the bottom of the lower plate 2;

the brackets 3 with the head ends adjacent to the tail ends are rotatably provided with outer wheels 5, and the brackets 3 with the middle adjacent to the tail ends are rotatably provided with inner wheels 6; the inner wheel 6 and the outer wheel 5 are arranged in a front-back and up-down staggered way.

Referring to fig. 1, 2 and 3, the front-rear offset distance between the inner wheel 6 and the outer wheel 5 is 60mm; the inner wheel 6 is higher than the outer wheel 5, and the vertical dislocation distance between the inner wheel 6 and the outer wheel 5 is 6mm; the contact area of the crossing wheel can be effectively enlarged by front-back dislocation, so that larger ravines and barriers can be ensured to be crossed; the design of dislocation from top to bottom can be when the level ground in interior wheel 6 not contact ground, has reduced the wearing and tearing of interior wheel 6 like this to a certain extent, also can make interior wheel 6 and the outer wheel 5 cooperation laminating uneven face in the process of crossing to guarantee holding power.

Referring to fig. 1, 2 and 3, the lower plate 2 is provided with a bearing seat 7, the first bearing 4 is arranged in the bearing seat 7, and the bearing seat 7 is attached to the top of the first bearing 4 at the bottom of the upper plate 1; the bottom of the bearing seat 7 is also provided with a second bearing 8; the second bearing is used for enhancing the smoothness in the process of convenient rotation; friction and vibration caused by unbalanced load are reduced, and abrasion and heat generation are reduced.

Referring to fig. 2 and 3, the bearing seat 7 is also provided with a fueling nozzle 9 in a communicating manner; the oil nozzle can be used for a long time, and lubricating oil and other lubricating media can be injected into the bearing seat 7 through the oil nozzle, so that the rotation effect can be ensured.

Referring to fig. 1 and 3, the device further comprises a main rivet 18, wherein the main rivet 18 penetrates through the upper plate 1, the first bearing 4 and the bearing seat 7 to be finally fixedly connected with the lower plate 2, and the upper plate 1 is rotatably connected with the main rivet 18; a tightening nut 10 is provided in the lower plate 2 in threaded connection with a main rivet 18.

Referring to fig. 1, 2 and 3, the outer wheel 5 and the inner wheel 6 have the same structure, namely a locknut 11, a telescopic screw 12, an anti-winding cover 13, an aluminum core polyurethane wheel body 14, a bearing three 15, a bearing pad tube 16 and a middle tube 17 from outside to inside.

The implementation principle of the medium-heavy type ditch crossing wheel provided by the embodiment of the application is as follows:

when the device is used, the upper plate 1 is fixed below the supporting body, and the ditch crossing wheel can assist the supporting body to normally run on the ground with gaps and unevenness when dragging the supporting body.

The inner wheel 6 and the outer wheel 5 which are arranged in a staggered structure from front to back and up to down can enable the carrier to smoothly cross ravines, obstacles and the like, so that the wheel body is prevented from being blocked; the bearing is used as a node for the horizontal rotation of the ditch crossing wheel, so that a smoother and stable rotation effect can be realized, the service life is ensured, the fit clearance is smaller, and the problems of possibility of overturning, noise generation and the like are reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (6)

1. A medium and heavy type road wheel, comprising: an upper plate (1), a lower plate (2) and a bracket (3); a first bearing (4) is arranged between the upper plate (1) and the lower plate (2); the upper plate (1) is rotationally connected with the lower plate (2) through the first bearing (4), and the brackets (3) are uniformly arranged at the bottom of the lower plate (2);

the support (3) with the head end adjacent to the tail end is rotatably provided with an outer wheel (5), and the support (3) with the middle adjacent to the head end is rotatably provided with an inner wheel (6); the inner wheel (6) and the outer wheel (5) are arranged in a front-back and up-down staggered way.

2. A medium and heavy type road wheel according to claim 1, characterized in that: the front-back dislocation distance between the inner wheel (6) and the outer wheel (5) is 60mm; the inner wheel (6) is higher than the outer wheel (5), and the vertical dislocation distance between the inner wheel (6) and the outer wheel (5) is 6mm.

3. A medium and heavy type road wheel according to claim 1, characterized in that: a bearing seat (7) is arranged on the lower plate (2), the first bearing (4) is arranged in the bearing seat (7), and the top of the bearing seat (7) and the top of the first bearing (4) are attached to the bottom of the upper plate (1); the bottom of the bearing seat (7) is also provided with a second bearing (8).

4. A medium and heavy type road wheel according to claim 3, characterized in that: the bearing seat (7) is also communicated with an oil filling nozzle (9).

5. A medium and heavy type road wheel according to claim 3, characterized in that: the device further comprises a main rivet (18), wherein the main rivet (18) penetrates through the upper plate (1), the first bearing (4) and the bearing seat (7) to be finally fixedly connected with the lower plate (2), and the upper plate (1) is rotationally connected with the main rivet (18); a tightening nut (10) in threaded connection with the main rivet (18) is arranged in the lower plate (2).

6. A medium and heavy type road wheel according to claim 1, characterized in that: the outer wheel (5) and the inner wheel (6) are identical in structure and sequentially provided with a locknut (11), a telescopic rod screw (12), an anti-winding cover (13), an aluminum core polyurethane wheel body (14), a bearing III (15), a bearing cushion tube (16) and a middle tube (17) from outside to inside.