Triangular crawler wheel, passive guide system thereof and driving tooth guide device
Technical Field
The utility model belongs to the technical field of tracked vehicle, in particular to triangle athey wheel and passive form guidance system and drive tooth guider thereof.
Background
The high-speed track assembly can remarkably improve the capacity of the emergency rescue vehicle for dealing with complex geological and terrain conditions after disasters such as muddy and soft ground, and improve the efficiency of emergency rescue. However, the overheating problem of the triangular crawler is a major technical obstacle limiting the large-scale popularization of the triangular crawler.
In order to reduce the heat productivity of the triangular crawler belt, a set of guide system for the triangular crawler belt wheel needs to be developed.
SUMMERY OF THE UTILITY MODEL
The purpose is as follows: in order to overcome the not enough that exists among the prior art, the utility model provides a triangle athey wheel and passive form guidance system and drive tooth guider thereof leads to the rubber track in the course of the work, reduces the calorific capacity of triangle caterpillar drive flank, improves the life of rubber track.
The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme does:
according to the utility model discloses an aspect provides a drive tooth guider, including gyro wheel and gyro wheel installing support, gyro wheel movable mounting be in on the gyro wheel installing support, through the gyro wheel installing support is connected with triangle athey wheel support frame detachable, the gyro wheel body circumference outside sets up with rubber track drive tooth one side relatively for carry on spacingly and the direction to the movement track of rubber track drive tooth in the course of the work.
Furthermore, at least two parallel threaded pin mounting plates are arranged on the roller mounting bracket, long circular pin holes are correspondingly arranged on the threaded pin mounting plates respectively, the threaded pins sequentially penetrate through the central holes of the rollers and the two long circular pin holes and then are matched with nuts for locking, the rollers are movably mounted on the roller mounting bracket, and the rollers can rotate by taking the threaded pins as central axes;
the threaded pin is movable within the oblong pin hole along its length for adjusting the distance of the roller circumferential surface from the surface of the track drive teeth.
According to some embodiments of the present invention, the passive guide system further comprises a pin bolt, a flat plate, a rubber spring, and a guide block, wherein the roller mounting bracket is provided with a pin bolt mounting plate located between two adjacent screw pin mounting plates, the pin bolt mounting plate is perpendicular to the screw pin mounting plate, and the pin bolt mounting plate is provided with a threaded hole for mounting the pin bolt;
the guide block cover is established the screw round pin is located the part between two screw round pin mounting panels, and rubber spring and flat board set gradually between guide block and the ejector pin bolt mounting panel, the ejector pin bolt lower extreme compresses tightly at dull and stereotyped upper surface after passing the screw hole on the ejector pin bolt mounting panel to through the adjustment of the lock nut who is located outside the ejector pin bolt mounting panel the ejector pin bolt pushes down the displacement.
According to a second aspect of the present invention, a passive guiding system is provided, which is used for a v-track wheel, the v-track wheel comprises a rubber track, a driving wheel, a tensioning wheel and a guiding wheel, the driving wheel is located at the top of the v-track wheel, the tensioning wheel and the guiding wheel are respectively located at two sides of the bottom of the v-track wheel, so as to form a v-track wheel structure, wherein the portion of the rubber track corresponding to the driving wheel is a rubber track driving section, the portion corresponding to the tensioning wheel is a rubber track tensioning wheel section, the portion corresponding to the guiding wheel is a rubber track guiding wheel section, and the portion located between the driving section and the tensioning wheel section is a rubber track loose edge section; the method comprises the following steps:
the driving tooth guide device is positioned at the loose edge section of the rubber track, is arranged at two sides of the driving tooth of the track at the inner side of the rubber track and is used for limiting the lateral displacement of the loose edge section of the rubber track;
the track guide device is arranged at the top of the triangular crawler wheel and used for limiting the lateral displacement of the driving section of the rubber track;
and the guide side plate is arranged on the tensioning wheel section and the guide wheel section of the rubber track and used for limiting the lateral displacement of the tensioning wheel section and the guide wheel section.
According to the utility model discloses a some embodiments, the direction curb plate is installed in pairs in the both sides of take-up pulley, leading wheel, the direction curb plate be with take-up pulley, leading wheel matched with ring shaped structure, the direction curb plate includes link and spacing end, and wherein the link passes through connecting piece detachable to be connected in the take-up pulley, the leading wheel body outside, spacing end is provided with round outside flange structure along its radial outside extension for with rubber track restriction in outside flange is inboard.
Furthermore, the inner side of the outer flange is provided with a circular arc transition structure, and the radius of the circular arc is not less than 5 mm.
According to some embodiments of the utility model, track guider includes pulley and first linking bridge, the pulley movable mounting be in on the first linking bridge, through first linking bridge with the support frame detachable of drive wheel is connected, the pulley wheel body circumference outside sets up with rubber track one side relatively, and the axial both sides are provided with limit baffle respectively.
Furthermore, the first connecting support is provided with a mounting part for mounting the pulley, and two ends of the central shaft of the pulley are respectively movably connected and mounted in mounting holes of the mounting part.
Furthermore, first linking bridge is Z type structure, wherein the bottom with the support frame of drive wheel passes through bolt fixed connection, and the installed part fixed connection of bolt nut and pulley is passed through to the top.
According to another aspect of the present invention, there is provided a track roller assembly, comprising the driven guide system.
Has the advantages that: compared with the prior art, the method has the following advantages: the triangular crawler wheel, the passive guide system and the driving tooth guide device thereof provided by the utility model are positioned at the loose edge section of the rubber crawler and are installed at the two sides of the driving tooth of the inner crawler in pairs for limiting the lateral displacement of the loose edge section of the rubber crawler; the track guide device is arranged at the top of the triangular crawler wheel and used for limiting the lateral displacement of the driving section of the rubber track; and the guide side plate is arranged on the tensioning wheel section and the guide wheel section of the rubber track and used for limiting the lateral displacement of the tensioning wheel section and the guide wheel section. The problem of overheating of the driving tooth side caused by rapid running of the triangular crawler is avoided.
Drawings
FIGS. 1 and 2 are schematic views illustrating installation of a passive guidance system in an example v-track wheel;
FIG. 3 is a perspective view of a guide side plate in the embodiment;
FIG. 4 is a sectional view of a guide side plate in the embodiment;
FIG. 5 is a block diagram of a track guide assembly in an embodiment;
FIG. 6 is an installation view of the track guide of the embodiment;
FIG. 7 is a block diagram of a drive tooth guide of an embodiment;
FIG. 8 is an exploded view of the drive tooth guide of the embodiment;
FIG. 9 is a cross-sectional view of the drive tooth guide of the embodiment;
FIG. 10 is a block diagram of a roller mounting bracket according to an embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may also include different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Example 1
A passive guide system is used for an V-belt wheel, the V-belt wheel comprises a rubber track, a driving wheel 401, a tension wheel 402 and a guide wheel 403, the driving wheel 401 is positioned at the top of the V-belt wheel, the tension wheel 402 and the guide wheel 403 are respectively positioned at two sides of the bottom of the V-belt wheel to form a V-belt wheel body structure, wherein the part of the rubber track corresponding to the driving wheel is a rubber track driving section 404, the part corresponding to the tension wheel is a rubber track tension wheel section 405, the part corresponding to the guide wheel is a rubber track guide wheel section 406, and the part positioned between the driving section 404 and the tension wheel section 405 is a rubber track loose edge section 407; the passive guidance system includes:
the track guide device 1 is arranged at the top of the triangular track wheel and used for limiting the lateral displacement of the rubber track driving section 404;
the driving tooth guide device 2 is positioned at the loose edge section of the rubber track, is arranged on two sides of the driving teeth of the track on the inner side of the rubber track in pairs and is used for limiting the lateral displacement of the loose edge section 407 of the rubber track;
and the guide side plate 3 is arranged on a tensioning wheel section and a guide wheel section of the rubber track and used for limiting the lateral displacement of the tensioning wheel section 405 and the guide wheel section 406.
Through passive form guide system realizes the four-point restriction of rubber track, realizes the stable even spacing of rubber track, avoids the too serious problem of local friction that single-point restriction leads to.
In some embodiments, as shown in fig. 3 and 4, the guiding side plate 3 is a circular ring structure matched with the tensioning wheel and the guiding wheel, the guiding side plate 3 includes a connecting end 301 and a limiting end 302, wherein the connecting end 301 is detachably connected to the outer side of the wheel body of the tensioning wheel and the guiding wheel through a connecting piece, and the limiting end 302 is provided with a circle of outer flange 303 extending outwards along the radial direction thereof for limiting the rubber track to the inner side of the outer flange. The inner side of the outer flange is provided with an arc transition structure, and the radius of the arc is not less than 5 mm. In some embodiments, as shown in fig. 1 to 2, a plurality of screw holes are uniformly distributed on the guide side plate 3, and the guide side plate 3 is installed on both sides of the tension wheel and the guide wheel in pairs by fixing bolts.
In some embodiments, as shown in fig. 5, the track guiding device 1 includes a pulley 101 and a first connecting bracket 102, the pulley 101 is movably mounted on the first connecting bracket 102, and is detachably connected to the support frame of the driving wheel through the first connecting bracket 102, a circumferential outer side of a pulley body is disposed opposite to one side of the rubber track, and two axial sides of the pulley body are respectively provided with a limit baffle 103 for limiting the rubber track between the two limit baffles 103.
The first connecting bracket 102 is provided with a mounting part 104 for mounting the pulley, and two ends of a central shaft of the pulley 101 are respectively movably connected and mounted in mounting holes of the mounting part. The pulley 101 can rotate along the circumferential direction of the central shaft, so that the friction between the circumferential outer side of the pulley body and the side surface of the rubber track is reduced.
As shown in fig. 5 and 6, the first connecting bracket 102 is a Z-shaped structure, wherein the bottom end of the first connecting bracket is fixedly connected with the supporting frame of the driving wheel through a bolt, and the top end of the first connecting bracket is fixedly connected with the mounting member 104 of the pulley through a bolt and a nut. In some embodiments, in order to improve the overall support strength of the first connecting bracket 102, a plurality of reinforcing ribs 105 are disposed on the back side of the first connecting bracket 102. In this embodiment, track guider 1 is through three group's bolts and support frame fixed connection, connects fixed apron simultaneously, avoids repeated outfit connecting device.
In some embodiments, as shown in fig. 7, 8, 9 and 10, the driving tooth guiding device 2 includes a roller 201 and a roller mounting bracket 202, the roller 201 is movably mounted on the roller mounting bracket 202, and the roller mounting bracket 202 is detachably connected with an v-wheel support frame, and the circumferential outer side of the roller body is arranged opposite to one side of the driving tooth of the rubber track.
As shown in fig. 10, two parallel threaded pin mounting plates 203 are arranged on the roller mounting bracket 202, the threaded pin mounting plates 203 are respectively and correspondingly provided with oblong pin holes 204, and the roller is movably mounted on the roller mounting bracket by sequentially passing through a central hole of the roller 201 and the two oblong pin holes 204 through a threaded pin 205 and then locking the two oblong pin holes with a nut 211 and a gasket, wherein the roller can rotate by taking the threaded pin as a central axis; the threaded pin 205 is movable within the oblong pin bore 204 along its length for adjusting the distance of the roller circumferential surface from the track drive tooth surface. The other end of the roller mounting bracket 202 is provided with a mounting hole 212 for connecting with a triangular crawler wheel support frame.
As shown in fig. 8 and 9, the roller mounting bracket 202 further includes a jack bolt 207, a flat plate 208, a rubber spring 209 and a guide block 210, the jack bolt mounting plate 206 located between the two threaded pin mounting plates is disposed on the roller mounting bracket 202, the jack bolt mounting plate 206 is perpendicular to the threaded pin mounting plate 203, and the jack bolt mounting plate 206 is provided with a threaded hole for mounting the jack bolt 207;
the guide block 210 cover is established the part that threaded pin 205 is located between two threaded pin mounting panels is established, and rubber spring 209 and flat board 209 set gradually between guide block 210 and ejector pin bolt mounting panel 206, ejector pin bolt 207 lower extreme compresses tightly after passing the screw hole on the ejector pin bolt mounting panel dull and stereotyped 209 upper surface to through the adjustment of the lock nut that is located outside the ejector pin bolt mounting panel the ejector pin bolt pushes down the displacement.
The flat plate 208, the rubber spring 209 and the guide block 210 are positioned in a square groove of the roller mounting bracket 202, and the ejector rod bolt 207 pushes the roller mounting bracket to move along the square groove formed by the two threaded pin mounting plates and the side wall; the guiding extrusion force of the driving tooth guiding device 2 and the rubber track can be adjusted by adjusting the tightening torque of the ejector bolt 207, and meanwhile, the rubber spring 209 can buffer the impact in the driving process, so that the guiding stability is kept, and the driving noise is reduced.
As shown in fig. 1 to 2, a triangular track wheel includes the passive steering system.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting with respect to the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.