CN214984771U - Rear drive axle device and road sweeper - Google Patents
Rear drive axle device and road sweeper Download PDFInfo
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- CN214984771U CN214984771U CN202121085645.1U CN202121085645U CN214984771U CN 214984771 U CN214984771 U CN 214984771U CN 202121085645 U CN202121085645 U CN 202121085645U CN 214984771 U CN214984771 U CN 214984771U
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- rear axle
- axle
- drive axle
- rear drive
- assembly
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Abstract
The utility model discloses a rear drive axle device and street sweeper. The utility model discloses a rear drive axle device includes vehicle body chassis, altitude mixture control subassembly, rear axle, sprocket and actuating mechanism. The two height adjusting assemblies are symmetrically arranged on the vehicle body chassis, the two ends of the rear axle penetrate through the two height adjusting assemblies respectively, the height of the rear axle is adjusted through the height adjusting assemblies, the two chain wheels are arranged, the two ends of the rear axle are fixedly connected with the two chain wheels respectively, and the driving mechanism is arranged on the rear axle. The utility model discloses a street sweeper includes foretell rear drive axle device. The utility model discloses a rear drive axle device passes through the height that height adjusting assembly adjusted the rear axle, realizes the adjustment to the chain tensioning for the drive chain operation that the sprocket can be better has improved the drive efficiency of sprocket, and the regulative mode is simple swift moreover.
Description
Technical Field
The utility model relates to an unmanned dolly technical field especially relates to a rear drive axle device and street sweeper.
Background
In recent years, the unmanned technology is developed vigorously, the unmanned sweeper comes along, and the rear drive axle structure is a main component of the unmanned sweeper. The existing rear drive axle structure of the unmanned trolley cannot feed back the rotating speed data of the chain wheel, and after the existing rear drive axle structure works for a long time, the chain is easy to loosen, so that the tensioning adjustment of the chain is troublesome.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a rear drive axle device that has the encoder and can also adjust rear axle height.
A rear drive axle assembly comprising:
a vehicle body chassis;
the two height adjusting assemblies are symmetrically arranged on the vehicle body chassis;
the two ends of the rear axle respectively penetrate through the two height adjusting components, and the height of the rear axle is adjusted through the height adjusting components;
two chain wheels are arranged, and two ends of the rear axle are fixedly connected with the two chain wheels respectively;
and the driving mechanism is arranged on the rear axle and is used for driving the rear axle to rotate.
The utility model discloses a rear drive axle device adjusts the height of rear axle through the altitude mixture control subassembly, realizes the adjustment to the chain tensioning for the drive chain operation that the sprocket can be better has improved the drive efficiency of sprocket, and the regulative mode is simple swift moreover.
Further preferably, the rear drive axle device further comprises a controller, wherein the controller is arranged on the height adjusting assembly and is in electric signal connection with the driving mechanism.
Further preferably, the height adjustment assembly comprises:
the rear axle support is arranged on the vehicle body chassis;
the mounting plate is connected with the rear axle and is in sliding connection with one side of the rear axle support;
the fixing plate is arranged right above the mounting plate and is fixedly mounted at the top of the rear axle support;
adjusting screw, adjusting screw follow the top of fixed plate pass downwards and with the top threaded connection of mounting panel, be provided with on the mounting panel with the screw hole of adjusting screw looks adaptation, through the rotation adjusting screw drives the rear axle reciprocates.
Further preferably, one side of the rear axle support, which is far away from the mounting plate, is provided with a vertically arranged waist hole, a fixing screw is arranged in the waist hole, and the fixing screw penetrates through the waist hole and is in threaded connection with the mounting plate.
Further preferably, a mounting frame is arranged on the rear axle support, and the controller is fixedly mounted on the mounting frame.
Further preferably, the driving mechanism is a rear axle motor, the rear axle motor is arranged on the rear axle, and the controller is electrically connected with the rear axle motor and used for controlling the start and stop of the rear axle motor.
Further preferably, an electromagnetic parking device is further arranged on the rear axle and connected with the rear axle motor, and when the rear axle motor is powered off, the electromagnetic parking device holds the motor shaft of the rear axle motor tightly.
Further preferably, an encoder is arranged at the shaft end of the rear axle, and the encoder is in communication connection with the controller.
Further preferably, a protective cover mounted on a vehicle body chassis is provided on an outer side of the sprocket.
Further preferably, the encoder is provided on the protective cover.
Compared with the prior art, the rear drive axle device of the utility model adjusts the height of the rear axle through the height adjusting component, realizes the adjustment of chain tensioning, enables the chain wheel to better drive the chain to run, improves the driving efficiency of the chain wheel, and has simple and rapid adjusting mode; the tail end of the rear axle motor is provided with the electromagnetic parking device, so that the vehicle can be prevented from sliding in case of power failure, and the safety of the whole vehicle is higher; the controller is arranged at an idle position above the rear axle, so that the layout is reasonable, the structure is compact, the wiring is convenient, and wires are saved; and the shaft end of the rear axle is provided with an encoder to realize the rotating speed monitoring and closed-loop control of the rear axle. The utility model discloses a rear drive axle device has can adjust the rear axle height, and can realize characteristics such as rotational speed control.
The utility model also discloses a street sweeper, street sweeper includes foretell rear drive axle device.
The utility model discloses a street sweeper has the characteristics of rear drive axle device, no longer gives unnecessary details here.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the rear drive axle device of the present invention.
Fig. 2 is an enlarged schematic view of the point a in fig. 1 according to the present invention.
Fig. 3 is a front view of the rear drive axle assembly of the present invention.
In the figure: the device comprises a body chassis 1, a height adjusting assembly 2, a rear axle support 21, a waist hole 211, fixing screws 212, a mounting rack 213, a mounting plate 22, a fixing plate 23, adjusting screws 24, a rear axle 3, a chain wheel 4, a driving mechanism 5, a controller 6, an electromagnetic parking device 7, an encoder 8 and a protective cover 9.
Detailed Description
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.
The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1, the embodiment discloses a rear drive axle device, which includes a vehicle chassis 1, a height adjusting assembly 2, a rear axle 3, a sprocket 4 and a driving mechanism 5. Wherein, altitude mixture control subassembly 2 is provided with two, and two altitude mixture control subassemblies 2 symmetries set up on vehicle body chassis 1, and two altitude mixture control subassemblies 2 are passed respectively at the both ends of rear axle 3, and rear axle 3 adjusts its height through altitude mixture control subassembly 2, and sprocket 4 is provided with two, the both ends of rear axle 3 respectively with two sprocket 4 fixed connection, actuating mechanism 5 sets up on rear axle 3 for drive rear axle 3 rotates.
During the specific use, when the chain is lax, because the chain links together with sprocket 4, thereby can adjust the rate of tension of chain through 2 height control sprocket 4 of height control assembly to make the drive chain that sprocket 4 can be better operate, improved the drive efficiency of whole car, reduced energy loss, guaranteed sprocket 4's output effect.
Further preferably, the rear drive axle device further comprises a controller 6, and the controller 6 is disposed on the height adjusting assembly 2 and electrically connected to the driving mechanism 5. The movement process of the sweeper is automatically controlled through the controller 6, and the sweeper is convenient and quick.
Specifically, referring to fig. 2 and 3, the height adjustment assembly 2 may include a rear axle support 21, a mounting plate 22, a fixing plate 23, and an adjustment screw 24. The rear axle supports 21 are arranged on the vehicle body chassis 1, two groups of rear axle supports are specifically arranged, two groups of rear axle supports are symmetrically arranged on the vehicle body chassis 1 and are fixed through screws, and the two rear axle supports 21 in the same group are respectively connected with the edges of two sides of the mounting plate 22 in a sliding manner. The mounting plate 22 is connected to the rear axle 3 and slidably connected to one side of the rear axle support 21, so that it can slide up and down relative to the rear axle support 21. The fixed plate 23 is arranged right above the mounting plate 22 and is fixedly mounted at the top of the rear axle support 21, the adjusting screw 24 penetrates downwards from the upper part of the fixed plate 23 and is in threaded connection with the top of the mounting plate 22, a threaded hole matched with the adjusting screw 24 is formed in the mounting plate 22, and the rear axle is driven to move up and down by rotating the adjusting screw 24.
During specific installation, the rear axle support 21 is firstly installed at a designated position on the vehicle body chassis 1, then the installation plate 22 and the fixing plate 23 are respectively installed, specifically, the fixing plate 23 is fixed on the side surface of the rear axle support 21 through screws, then the installation plate 22 and the fixing plate 23 are connected through the adjusting screws 24, and when the height of the rear axle 3 needs to be adjusted, only the adjusting screws 24 need to be rotated. In this embodiment, clockwise turning adjusting screw 24 makes rear axle 3 rebound, and anticlockwise turning adjusting screw 24 makes rear axle 3 rebound, when the chain is lax, only need according to actual conditions anticlockwise or clockwise turning adjusting screw 24 can realize adjusting the rate of tension of chain, whole accommodation process convenient and fast, and the time that needs to spend is few, has improved regulation efficiency, and it is convenient to maintain.
Further preferably, a vertically arranged waist hole 211 is arranged on one side of the rear axle support 21 away from the mounting plate 22, a fixing screw 212 is arranged in the waist hole 211, and the fixing screw 212 penetrates through the waist hole 211 and is in threaded connection with the mounting plate 22. This allows the mounting plate 22 to always abut the rear axle support 21. Here, the length of the waist hole 211 defines the adjustment range of the height of the rear axle 3, and in actual operation, the length of the waist hole 211 on different devices can be specifically designed according to actual conditions. In an initial state, the fixing screw 212 is in a tightened state, and the fixing screw 212 in the tightened state can provide a supporting force for the fixing plate 22 and the rear axle 3, so that a part of load is shared by the adjusting screw 24, the service life of the adjusting screw 24 is prolonged, maintenance cost is saved, and stable operation of the sweeper is ensured. When the chain tension needs to be adjusted, the fixing screw 212 is first loosened until the fixing plate 22 can move relative to the rear axle support 41, and after the adjustment is completed, the fixing screw 212 is then tightened.
Further preferably, the rear axle support 21 is provided with a mounting bracket 213, and the controller 6 is fixedly mounted on the mounting bracket 213. The controller 6 is installed at the idle position of the whole device, the layout is reasonable, the structure is compact, the wiring is convenient, the wire rods are saved, and the cost is reduced.
Further preferably, the driving mechanism 5 is a rear axle motor, the rear axle motor is arranged on the rear axle 3, and the controller 6 is electrically connected with the rear axle motor and used for controlling the start and stop of the rear axle motor. Still be provided with electromagnetism parking ware 7 on the rear axle 3, electromagnetism parking ware 7 is connected with the rear axle motor, and when the rear axle motor loses the electricity, controller 6 can the electromagnetism parking ware 7 hold tightly the motor shaft of rear axle motor, prevents the swift current car, and whole car security is higher.
Further preferably, the shaft end of the rear axle 3 is provided with an encoder 8, and the encoder 8 is in communication connection with the controller. The encoder 8 can feed back the rotating speed data of the chain wheel 4 to the controller 6 in real time, and the rotating speed closed-loop control of the rear drive axle and the vehicle speed are conveniently controlled through the mutual matching of the controller 6, the encoder 8 and the rear axle motor.
Further preferably, a protective cover 9 mounted on the vehicle body chassis 1 is arranged on the outer side of the chain wheel 4, and the protective cover 9 can protect the chain wheel 4 on one hand and prevent the chain wheel 4 from accidentally injuring workers during rotation, so that the safety performance of the whole vehicle is improved. Encoder 8 sets up on safety cover 9, and the design makes the overall arrangement more reasonable like this, simple to operate.
Compared with the prior art, the rear drive axle device of the utility model adjusts the height of the rear axle 3 through the height adjusting component 2, so as to realize the adjustment of chain tensioning, so that the chain wheel 4 can drive the chain to run better, the driving efficiency of the chain wheel 4 is improved, and the adjusting mode is simple and rapid; the tail end of the rear axle motor is provided with the electromagnetic parking device 7, so that the vehicle can be prevented from sliding in case of power failure, and the safety of the whole vehicle is higher; the controller 6 is arranged at an idle position above the rear axle 3, so that the layout is reasonable, the structure is compact, the wiring is convenient, and wires are saved; the shaft end of the rear axle 3 is provided with an encoder 8, so that the rotating speed monitoring and the closed-loop control of the rear axle 3 are realized. The utility model discloses a rear drive axle device has can adjust the rear axle height, and can realize characteristics such as rotational speed control.
The utility model also discloses a street sweeper, street sweeper includes foretell rear drive axle device.
The utility model discloses a street sweeper has the characteristics of rear drive axle device, no longer gives unnecessary details here.
In addition, it should be noted that the rear drive axle device in the embodiment may be applied to not only a sweeper but also other vehicles requiring chain tension adjustment.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. A rear drive axle assembly characterized by: the method comprises the following steps:
a vehicle body chassis;
the two height adjusting assemblies are symmetrically arranged on the vehicle body chassis;
the two ends of the rear axle respectively penetrate through the two height adjusting components, and the height of the rear axle is adjusted through the height adjusting components;
two chain wheels are arranged, and two ends of the rear axle are fixedly connected with the two chain wheels respectively;
and the driving mechanism is arranged on the rear axle and is used for driving the rear axle to rotate.
2. The rear drive axle assembly of claim 1, wherein: the rear drive axle device further comprises a controller, wherein the controller is arranged on the height adjusting assembly and is in electric signal connection with the driving mechanism.
3. The rear drive axle assembly of claim 2, wherein: the height adjustment assembly includes:
the rear axle support is arranged on the vehicle body chassis;
the mounting plate is connected with the rear axle and is in sliding connection with one side of the rear axle support;
the fixing plate is arranged right above the mounting plate and is fixedly mounted at the top of the rear axle support;
adjusting screw, adjusting screw follow the top of fixed plate pass downwards and with the top threaded connection of mounting panel, be provided with on the mounting panel with the screw hole of adjusting screw looks adaptation, through the rotation adjusting screw drives the rear axle reciprocates.
4. The rear drive axle assembly of claim 3, wherein: one side of the rear axle support, which is far away from the mounting plate, is provided with a vertically-arranged waist hole, a fixing screw is arranged in the waist hole, and the fixing screw penetrates through the waist hole and is in threaded connection with the mounting plate.
5. The rear drive axle assembly of claim 3, wherein: the rear axle support is provided with a mounting rack, and the controller is fixedly mounted on the mounting rack.
6. The rear drive axle assembly of claim 2, wherein: the driving mechanism is a rear axle motor, the rear axle motor is arranged on the rear axle, and the controller is electrically connected with the rear axle motor and used for controlling the starting and stopping of the rear axle motor.
7. The rear drive axle assembly of claim 6, wherein: the rear axle is also provided with an electromagnetic parking device, the electromagnetic parking device is connected with the rear axle motor, and when the rear axle motor is powered off, the electromagnetic parking device holds the motor shaft of the rear axle motor tightly.
8. The rear drive axle assembly of claim 2, wherein: and an encoder is arranged at the shaft end of the rear axle and is in communication connection with the controller.
9. The rear drive axle assembly of claim 8, wherein: and a protective cover arranged on a chassis of the vehicle body is arranged on the outer side of the chain wheel.
10. The utility model provides a street sweeper which characterized in that: the sweeper truck comprising the rear drive axle assembly of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085645.1U CN214984771U (en) | 2021-05-19 | 2021-05-19 | Rear drive axle device and road sweeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085645.1U CN214984771U (en) | 2021-05-19 | 2021-05-19 | Rear drive axle device and road sweeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214984771U true CN214984771U (en) | 2021-12-03 |
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ID=79132154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121085645.1U Active CN214984771U (en) | 2021-05-19 | 2021-05-19 | Rear drive axle device and road sweeper |
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| Country | Link |
|---|---|
| CN (1) | CN214984771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633967A (en) * | 2022-03-21 | 2022-06-17 | 广东美房智高机器人有限公司 | Garbage bin and cleaning equipment |
-
2021
- 2021-05-19 CN CN202121085645.1U patent/CN214984771U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633967A (en) * | 2022-03-21 | 2022-06-17 | 广东美房智高机器人有限公司 | Garbage bin and cleaning equipment |
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