CN217654762U

CN217654762U - Vehicle running track tracking device

Info

Publication number: CN217654762U
Application number: CN202221153277.4U
Authority: CN
Inventors: 吴兰锋; 金鑫; 韩俊; 薛现振; 牛善田; 连海根; 张赛; 吕绍昌; 王守方; 高文岭
Original assignee: Zhengzhou Yutong Heavy Industry Co Ltd
Current assignee: Zhengzhou Yutong Heavy Industry Co Ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-10-25
Anticipated expiration: 2032-05-13

Abstract

The utility model relates to a vehicle stability of traveling detects the instrument field, has especially related to a vehicle orbit tracking means that traveles. Vehicle track tracking means of traveling includes that mounting bracket, display agent warehouse and assembly are in drawing line mechanism on the mounting bracket, the mounting bracket is including being used for the connecting seat with the automobile body coupling of vehicle, drawing line mechanism include with the setting-out executive member that the display agent warehouse is connected, be equipped with the display agent delivery port on the setting-out executive member, the display agent delivery port with display agent warehouse intercommunication. The utility model discloses in, the display agent that the drawing mechanism will show in the agent storage storehouse in the in-process that the automobile-mounted body removed spouts the mouth through its display agent and spills subaerial, through the offset of the orbit that two devices were drawn around the contrast, can know the offset between trailer and the tractor, whole setting-out process need not artifical the participation to the setting-out is even controllable, thereby has solved the dangerous problem high, that the precision is poor of measurement to trailer wheel trace offset.

Description

Vehicle running track tracking device

Technical Field

The utility model relates to a vehicle stability of traveling detects the instrument field, has especially related to a vehicle orbit tracking means that traveles.

Background

The tracking ability/wheel track offset is an important index for considering and evaluating the running stability of the trailer, and the measurement data of the wheel track offset needs to be accurate to millimeter.

At present, in order to measure the tracking capability of a trailer, a method for measuring the track offset is generally adopted, and particularly, water is poured on the tread of a running tire for measurement. The above method is extremely dangerous since the running speed of the vehicle can reach 30-40km/h when the test is carried out. On the other hand, due to the irregularity of the tire, the accuracy of the measured data is poor, and the driving stability of the vehicle cannot be accurately reflected.

If the form track of the vehicle can be tracked by adopting the satellite positioning technology, the wheel track offset of the trailer can be safely and accurately obtained, but the satellite positioning technology in the current civil market cannot reach millimeter in precision, is high in cost and cannot meet the use requirement. Therefore, the problems of high danger and poor precision still exist in the measurement of the trailer wheel track offset at the present stage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vehicle orbit tracking means that traveles to solve the dangerous problem of high, the precision difference of measurement to trailer tracking ability.

In order to solve the above problem, the utility model discloses a vehicle track tracking means that traveles adopts following technical scheme: vehicle track tracking device that traveles, be in including mounting bracket, display agent warehouse and assembly drawing line mechanism on the mounting bracket, the mounting bracket is including being used for the connecting seat with the automobile body coupling of vehicle, drawing line mechanism include with the setting-out executive member that the display agent warehouse is connected, be equipped with the display agent exhalant on the setting-out executive member, the display agent exhalant with display agent warehouse intercommunication.

Has the advantages that: the utility model discloses according to the thinking of synchronous setting-out, the vehicle orbit tracking means that traveles has been proposed for the first time, when using the device to carry out trailer orbit offset measurement, can install the device on tractor and trailer respectively, through the mount pad is installed device integral erection on corresponding automobile body, and the display agent that the mechanism of setting-out will show in the agent storage storehouse through its display agent in the in-process that the automobile body removed spouts the mouth and spills subaerial, and through the offset of the orbit that two devices drawn around the contrast, can know the offset between trailer and the tractor, whole setting-out process need not artifical the participation to the setting-out is evenly controllable, thereby has solved the dangerous problem of precision difference of measurement to trailer wheel trace offset.

Furthermore, the setting-out executive component is a setting-out roller, the setting-out roller is provided with an opening, and the display agent discharge port is formed by the opening. The pipeline roller is used as a line drawing executing piece, and has the characteristics of accurate line drawing position and high reliability compared with a drop tube type line drawing executing piece and the like.

Furthermore, the opening is formed in the outer peripheral surface of the line drawing roller. When the opening is arranged on the peripheral surface of the line drawing roller, the influence of factors such as centrifugal force and the like when the vehicle turns in the advancing process can be avoided, and the authenticity of the line drawing position is ensured.

Furthermore, the axle of the line drawing roller is a hollow shaft, one end of the hollow shaft is connected with the display agent storage bin, and a communication port communicated with the opening in the line drawing roller is arranged on the outer peripheral surface of the hollow shaft. The hollow shaft facilitates the connection between the display agent storage bin and the display agent discharge port, so that the structure of the whole device is more compact.

Further, the line marking roller is rotatably engaged with the wheel shaft thereof. Under the condition that the line drawing roller is in running fit with the wheel shaft, the line drawing roller rotates, the wheel shaft does not rotate, and the line drawing roller is more conveniently connected with the display agent storage bin.

Furthermore, the line drawing roller comprises at least two wheel discs which are arranged at intervals in the axial direction, two adjacent wheel discs are connected through supporting columns which are arranged along the circumference, and the opening is formed by the interval between the outer edges of the two adjacent wheel discs. The line drawing roller formed by the two wheel discs and the supporting columns is naturally provided with the opening, the structure is simple, the opening area is large, and the continuity of line drawing is guaranteed.

Furthermore, the mounting bracket is still including locating the telescopic link between setting-out executor and the mount pad, the telescopic link includes the dead lever of being connected with the mount pad and the movable rod of being connected with the setting-out executor. The telescopic link can make the setting-out gyro wheel can adapt to unevenness's bottom surface, can make the utility model discloses a device is applicable to unevenness road surface.

Furthermore, an elastic piece for driving the movable rod to extend is arranged between the fixed rod and the movable rod. The elastic piece can keep the pretightening force between the line drawing roller and the ground, so that the line drawing roller does not leave the ground all the time, and the accuracy of a line drawing position is ensured.

Furthermore, one of the movable rod and the fixed rod is provided with a slide rail, the other one is provided with a slide groove corresponding to the slide rail, and the movable rod and the fixed rod are matched through the slide rail and the slide groove. The slide rail is matched with the sliding groove, so that the reliability of the telescopic rod structure is ensured.

Furthermore, the sliding groove is a dovetail groove, the sliding rail is clamped in the dovetail groove, and the movable rod and the fixed rod are in clearance fit. Through establishing the spout into the dovetail, realized clearance fit between movable rod and the dead lever, can make the resistance between the two littleer, avoid appearing the jamming.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of a vehicle travel track following device according to the present invention;

FIG. 2 is a schematic view of a portion of the telescoping pole of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 2;

fig. 4 is an enlarged view of a portion of fig. 1 at the position of the line drawing roller.

In the figure: 101. a mounting frame; 102. a line drawing mechanism; 11. a pin bush; 12. a connecting bolt; 13. fixing the rod; 14. a movable rod; 141. a slide rail; 103. a lubricant filling nozzle; 15. an elastic member; 21. drawing a line roller; 211. a wheel disc; 212. a support pillar; 22. a wheel carrier; 23. a wheel axle; 24. a seal ring; 25. a bearing; 26. locking the nut; 27. a pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, which may be present, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" or the like does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model discloses a vehicle travel trajectory tracking means's embodiment 1:

as shown in fig. 1 to 4, the vehicle travel track following apparatus includes a mounting frame 101, a line drawing mechanism 102, and a display agent storage tank.

The mounting bracket 101 is used for mounting the device on a vehicle body of a corresponding vehicle, and comprises a connecting seat and an expansion link, wherein the connecting seat is used for being connected with the vehicle body, in the embodiment, the connecting seat specifically adopts two pin sleeves 11, a connecting bolt 12 is arranged in the two pin sleeves in a penetrating manner, and when the mounting bracket is used, the connecting bolt 12 is connected with a corresponding part of the vehicle body, so that the connecting seat can be fixed on the vehicle body. The telescopic rod includes a fixed rod 13 and a movable rod 14, and the pin sleeves 11 are arranged on the rear side of the fixed rod 13 at intervals, and extend in the left-right direction. The fixing rod 13 is a hollow rod, the cross section of the fixing rod is rectangular, sliding grooves are formed in the inner wall surfaces of the left side and the right side of the fixing rod 13, and the sliding grooves are formed through convex ribs on the inner side surfaces of the sliding rails and are of a dovetail groove structure. The movable rod 14 is also a hollow rod, the size of the outer contour of the movable rod is smaller than that of the corresponding position of the inner contour of the fixed rod 13, so that clearance fit is formed between the movable rod and the fixed rod, the slide rails 141 corresponding to the slide grooves are arranged on the left side wall and the right side wall of the movable rod 14, the slide rails 141 are clamped in the slide grooves, so that the sliding fit between the movable rod 14 and the fixed rod 13 can be realized, and the lubricant filling nozzle 103 is arranged on the back surface of the slide grooves for lubricating the slide rails and the slide grooves. An elastic member 15 is disposed in the inner hole of the fixed rod 13, and the elastic member 15 presses the movable rod 14 downward to provide a force required for the extension of the movable rod 14, in this embodiment, the elastic member 15 is a compression spring.

The line drawing mechanism 102 includes a line drawing actuator that functions to perform a line drawing operation. In this embodiment, the line drawing executing member is specifically a line drawing roller 21, and the line drawing roller 21 is mounted at the lower end of the movable rod 14 through a wheel frame 22, and can closely contact with the ground to travel under the action of the elastic member 15. As shown in fig. 4, the wheel frame 22 is formed of two vertical plates arranged in parallel left and right at a spacing at the lower end of the movable bar 14. The axle 23 of the line marking roller 21 is fixedly mounted on the wheel frame 22, and the line marking roller 21 is rotatably engaged with the axle 23, and the engagement structure will be described in detail below.

The wheel shaft 23 is a hollow wheel shaft, and in the embodiment, is specifically composed of a screw rod with a blind hole drilled from the head end of a bolt, and a communication port communicated with an inner hole of the wheel shaft 23 is arranged on the outer peripheral surface of the wheel shaft; the line drawing roller 21 is composed of two disks 211 arranged at an interval, the two disks 211 are connected through a support column 212 to form a structure with a hollow inner part, the interval between the outer edges of the two disks 211 forms a display agent discharge port, and after the display agent enters the line drawing roller 21 through a communication port of the wheel shaft 23, the display agent is discharged from the display agent discharge port, thereby completing the line drawing operation. A sealing ring 24 is arranged between the opposite side of each wheel disc 211 and the wheel shaft 23, and a bearing 25 is arranged between the opposite side of each wheel disc 211 and the wheel shaft. When the line drawing roller is installed, the line drawing roller 21 is installed on the wheel shaft 23, then the wheel shaft 23 is clamped into lower openings arranged at the lower ends of the two vertical plates of the wheel frame 22 from bottom to top, and the wheel shaft 23 is fixed on the wheel frame 22 through the locking nut 26.

The developer storage bin (not shown) is used as a developer container, and any structure can be adopted, which is not described herein. The display agent can be liquid, powder and the like, and the details are not repeated here. The display agent storage bin is connected with the wheel shaft 23 through a pipeline 27, the pipeline 27 is a hose, when the display agent storage bin is used, the display agent storage bin can be installed at a position higher than the wheel shaft 23, the display agent can automatically fall into the wheel shaft 23 under the action of gravity, and then the display agent is sprayed on the ground through a display agent outlet of the line drawing roller 21, so that the display of the driving track of a vehicle can be realized.

When the device is used for measuring the deviation of the trailer track, the device can be respectively installed on the tractor and the trailer, the mounting seat is used for integrally installing the device on a corresponding vehicle body (for example, on a chassis of the vehicle body), the line drawing mechanism sprays the display agent (such as water, lime powder, paint and the like) in the display agent storage bin on the ground through the display agent discharge opening in the process of moving along with the vehicle body, and the deviation between the trailer and the tractor can be known by comparing the deviation of the tracks drawn by the front device and the rear device.

The utility model discloses a vehicle travel trajectory tracking means's embodiment 2:

in the utility model discloses a vehicle travel track tracking means's embodiment 1, the mounting bracket include the telescopic link. In this embodiment, the telescopic rod may also be a rod of a fixed length, in which case the device may be used on a level road surface. Of course, in other embodiments, the telescopic rod can be omitted, and the line drawing mechanism can be directly installed on the connecting seat.

The utility model discloses a vehicle travel trajectory tracking means's embodiment 3:

in embodiment 1 of the vehicle travel track following device of the present invention, the line drawing actuator employs a line drawing roller. In the embodiment, the line drawing executing part adopts a self-flowing pipe, and the display agent can flow to the ground through the self-flowing pipe to realize the purpose of drawing lines.

The utility model discloses a vehicle travel trajectory tracking means's embodiment 4:

the utility model discloses an among vehicle travel trajectory tracking means's embodiment 1, realize flexible direction cooperation through slide rail and spout between movable rod and the dead lever. In the embodiment, the two are in telescopic guide fit directly through the fit of the inner wall surface and the outer wall surface.

The utility model discloses a vehicle travel trajectory tracking means's embodiment 5:

the utility model discloses an in vehicle orbit tracking means's embodiment 1, the setting-out gyro wheel has adopted the rim plate to add the structure of support column, in this embodiment, can also adopt ordinary gyro wheel, processes radial through-hole on it and can realize same function.

The utility model discloses a vehicle travel trajectory tracking means's embodiment 6:

the utility model discloses an in this vehicle travel track tracking means's embodiment 1, adopted the shaft to fix, setting-out gyro wheel pivoted structure. In this embodiment, a structure that the wheel shaft rotates and the line drawing roller rotates along with the wheel shaft is adopted, and a rotary joint is arranged between the pipeline and the wheel shaft.

The utility model discloses a vehicle travel trajectory tracking means's embodiment 7:

in embodiment 1 of the vehicle travel track following device of the present invention, the indicator discharge port is provided on the tread surface of the line drawing roller. In the present embodiment, the display agent discharge port is provided on the side surface of the line drawing roller, which can achieve the object of drawing the line as well.

Claims

1. Vehicle track tracking means that traveles, its characterized in that is in including mounting bracket (101), display agent warehouse and assembly drawing line mechanism (102) on mounting bracket (101), mounting bracket (101) are including being used for the connecting seat with the body coupling of vehicle, drawing line mechanism (102) include with the setting-out executive member that the display agent warehouse is connected, be equipped with the display agent delivery port on the setting-out executive member, the display agent delivery port with display agent warehouse intercommunication.

2. The vehicle travel track following device according to claim 1, wherein the line marking actuator is a line marking roller (21), an opening is provided in the line marking roller (21), and the display agent discharge port is constituted by the opening.

3. The vehicle travel track following device according to claim 2, wherein the opening is provided on an outer peripheral surface of the line marking roller (21).

4. The vehicle driving track tracking device according to claim 2, characterized in that the axle (23) of the line drawing roller (21) is a hollow shaft, one end of the hollow shaft is connected with the display agent storage bin, and a communication port communicated with the opening on the line drawing roller (21) is arranged on the outer peripheral surface.

5. A vehicle travel track following device according to claim 3, wherein said line marking roller (21) is rotatably fitted to its wheel shaft (23).

6. The vehicle travel track following device according to any one of claims 2 to 5, wherein the line marking roller (21) comprises at least two axially spaced wheels (211) connected by circumferentially spaced support posts (212), and the opening is formed by a space between outer edges of the two adjacent wheels (211).

7. The vehicle travel track following device according to any one of claims 2 to 5, wherein the mounting frame (101) further comprises a telescopic rod provided between the line marking actuator and the mounting base, the telescopic rod comprising a fixed rod (13) connected to the mounting base and a movable rod (14) connected to the line marking actuator.

8. The vehicle travel locus tracking device according to claim 7, wherein an elastic member (15) for urging the movable lever (14) to elongate is provided between the fixed lever (13) and the movable lever (14).

9. The vehicle travel track following device according to claim 8, wherein one of the movable bar (14) and the fixed bar (13) is provided with a slide rail (141), and the other is provided with a slide groove corresponding to the slide rail, and the movable bar (14) and the fixed bar (13) are engaged through the slide rail and the slide groove.

10. The vehicle driving track tracking device according to claim 9, wherein the sliding groove is a dovetail groove, the sliding rail (141) is clamped in the dovetail groove, and the movable rod (14) and the fixed rod (13) are in clearance fit.