CN213354183U

CN213354183U - Shock attenuation inspection vehicle

Info

Publication number: CN213354183U
Application number: CN202022380476.6U
Authority: CN
Inventors: 叶军
Original assignee: Shenzhen Xiaomo Intelligent Technology Co ltd
Current assignee: Shenzhen Xiaomo Intelligent Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-04
Anticipated expiration: 2030-10-22

Abstract

The utility model is suitable for a robot field provides a shock attenuation inspection van, including the shell body, the both sides end of shell body is equipped with the wheel, be equipped with the transmission that is used for driving the wheel in the shell body, transmission includes the motor, the cover is equipped with shock attenuation bearing on the output shaft of motor, the front end of the output shaft of motor is equipped with waterproof extension shaft, and waterproof extension shaft locates the place ahead of shock attenuation bearing, waterproof extension shaft stretches out the shell body and is connected with wheel fixed connection; when the wheel produces violent vibrations when moving or falling, the impact force that the instantaneous vibrations of wheel produced transmits for waterproof extension axle, and the damping bearing who tightly matches on the output shaft of retransmission for the motor passes through damping bearing on with the impact force transmission shell body to reduce the impact to the inside output shaft of motor, decompose the impact force effectively, avoid the too big risk that makes the motor appear breaking the axle of impact force, improve life.

Description

Shock attenuation inspection vehicle

Technical Field

The utility model belongs to the mobile robot field, concretely relates to shock attenuation inspection vehicle.

Background

With the rapid development of science and technology, the tendency of replacing manpower with robots is gradually rising, on one hand, 24-hour uninterrupted working time can be provided, on the other hand, working requirements can be accurately and quickly met, especially in the working field of patrol monitoring, a patrol vehicle capable of realizing automatic monitoring generally works for 24 hours uninterruptedly, overlong work has strict requirements on the performance of a driving device of the patrol vehicle, when wheels of the patrol vehicle move back and forth or fall on a rough ground, larger vibration and instant impact force can be generated, the fatal influence on a core mechanism of the patrol vehicle can be often caused by the overlong work, the service life of the patrol vehicle is greatly shortened, in addition, the traditional driving device reduces other performances due to the functional complexity of an implementation structure, and more auxiliary structures are added to realize other performances, so that the driving device is overlarge in volume, the cost is higher, and the mass production is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art, provide a low cost, the space is little, simple structure's tour car.

The utility model discloses a realize like this: the utility model provides a shock attenuation inspection vehicle, includes the shell body, the both sides end of shell body is equipped with the wheel, be equipped with in the shell body and be used for the drive the transmission of wheel, transmission includes the motor, the cover is equipped with shock-absorbing bearing on the output shaft of motor, the front end of the output shaft of motor is equipped with waterproof extension axle, and shock-absorbing bearing's the place ahead is located to waterproof extension axle, waterproof extension axle stretch out the shell body and with wheel fixed connection.

Furthermore, the shock absorption bearing comprises an inner shaft, balls and an outer shaft, the balls are arranged between the inner shaft and the outer shaft, the balls are respectively in rolling connection with the inner shaft and the outer shaft, and an output shaft of the motor penetrates through the shock absorption bearing and is fixedly connected with the inner shaft.

Further, the last cover of shock-absorbing bearing is equipped with the safety cover, be equipped with on the safety cover with the first through-hole of shock-absorbing bearing looks adaptation, the medial surface of first through-hole with be equipped with the gasket between the shock-absorbing bearing, shock-absorbing bearing's outer axle with the gasket tight fit is connected.

Furthermore, the front end of safety cover is equipped with waterproof piece, the front end of waterproof piece is located to waterproof extension axle, set up on the waterproof piece with the second through-hole of the output shaft looks adaptation of motor, the output shaft of motor pass the second through-hole with waterproof extension axle fixed connection.

The utility model provides a pair of shock attenuation inspection vehicle, adopt the mode that sets up waterproof extension axle and come the direct drive wheel on the motor, when the wheel produces violent vibrations when the motion or fall, the impact force transmission that the instantaneous vibrations of wheel produced is for waterproof extension axle, the damping bearing of tight fit on the output shaft of retransmission for the motor, through damping bearing with impact force transmission shell body on, thereby reduce the impact to the inside output shaft of motor, decompose the impact force effectively, avoid the too big risk that disconnected axle appears in motor that makes of impact force, and the service life is prolonged, and simultaneously, directly set up waterproof extension axle on the motor output shaft, waterproof extension axle keeps apart external and shell body inside, certain water-proof effects is played, moreover, the steam generator is simple in structure, make a shock attenuation inspection vehicle possess multinomial performance when can keep less volume, and is with low costs.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention.

Fig. 1 is a sectional view of the internal structure of the present invention.

Fig. 2 is a schematic structural diagram of the motor of the present invention.

Fig. 3 is a side sectional view of the motor of the present invention.

Fig. 4 is a schematic structural view of the middle shock-absorbing bearing of the present invention.

The reference numbers illustrate: 1. an outer housing; 2. a wheel; 3. a transmission device; 4. a motor; 5. a shock-absorbing bearing; 51. an inner shaft; 52. a ball bearing; 53. an outer shaft; 6. a waterproof extension shaft; 7. a protective cover; 71. a first through hole; 72. a gasket; 8. a waterproof sheet; 81. a second via.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, a shock absorption patrol vehicle disclosed by the utility model comprises an outer housing 1, wheels 2 are arranged at the two side ends of the outer shell 1, a transmission device 3 for driving the wheels 2 is arranged in the outer shell 1, the transmission device 3 comprises a motor 4, a damping bearing 5 is sleeved on an output shaft of the motor 4, as shown in fig. 4, the damper bearing 5 includes an inner shaft 51, balls 52, and an outer shaft 53, the balls 52 are provided between the inner shaft 51 and the outer shaft 53, the balls 52 are respectively connected with the inner shaft 51 and the outer shaft 53 in a rolling way, the output shaft of the motor 4 is fixedly connected with the inner shaft 51 through the shock absorption bearing 5, when the wheel 2 is severely vibrated during movement or falling, an impact force is applied from the inner shaft 51 of the damper bearing 5, through the balls 52 to the outer shaft 53 and through the outer shaft 53 to the outer housing 1. Preferably, the ball 52 is a spherical ball 52 made of steel material, the weighing capacity of the impact force is strong, most of the impact force transmitted to the output shaft of the motor 4 can be borne, and the part of the impact force is transmitted, so that the influence of the impact force on the inside of the motor 4 is effectively reduced, further, the shock absorbing bearing 5 is sleeved with a protective cover 7, the protective cover 7 is provided with a first through hole 71 matched with the shock absorbing bearing 5, a gasket 72 is arranged between the inner side surface of the first through hole 71 and the shock absorbing bearing 5, preferably, the impact toughness index value of the gasket 72 is large, so that the shock absorbing bearing 5 can resist a certain impact force, the outer shaft 53 of the shock absorbing bearing 5 is tightly matched and connected with the gasket 72, the protective cover 7 can avoid the direct exposure of the shock absorbing bearing 5, and reduce the damage of the external impurities entering the outer shell 1 to the shock absorbing bearing, thereby resulting in influencing the shock-absorbing effect, on the other hand, the gasket 72 in the protection cover 7 can effectively alleviate the damage that the impact force caused to the shock-absorbing bearing 5 to avoid the impact force from outer axle 53 to transmit to the interior of outer casing 1 and cause the damage to outer casing 1.

The front end of motor 4's output shaft is equipped with waterproof extension axle 6, and the place ahead of damper bearing 5 is located to waterproof extension axle 6, waterproof extension axle 6 stretch out shell body 1 and with 2 fixed connection of wheel, the front end of safety cover 7 is equipped with waterproof piece 8, waterproof extension axle 6 locates the front end of waterproof piece 8, set up on the waterproof piece 8 with the second through-hole 81 of motor 4's output shaft looks adaptation, the output shaft of motor 4 pass second through-hole 81 with waterproof extension axle 6 fixed connection is connected with wheel 2 through setting up waterproof extension axle 6, can make outside and shell body 1 inside separate mutually, thereby and thereby waterproof piece 8 and waterproof extension axle 6 set up simultaneously and can avoid outside moisture to get into to shell body 1 in and lead to whole drive arrangement impaired.

In conclusion, the transmission device 3 has a simple structure and low cost, and the effects of shock absorption, water resistance and fast heat dissipation can be realized without adding too many auxiliary structures in the outer shell 1, so that the transmission device is suitable for low-cost and small-size inspection vehicles or other similar robots.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a shock attenuation inspection vehicle, includes shell body (1), the both sides end of shell body (1) is equipped with wheel (2), be equipped with in shell body (1) and be used for the drive transmission (3) of wheel (2), its characterized in that: transmission (3) include motor (4), the cover is equipped with shock-absorbing bearing (5) on the output shaft of motor (4), the front end of the output shaft of motor (4) is equipped with waterproof extension axle (6), and the place ahead of shock-absorbing bearing (5) is located in waterproof extension axle (6), waterproof extension axle (6) stretch out shell body (1) and with wheel (2) fixed connection.

2. A shock absorbing patrol vehicle as defined in claim 1, wherein: the shock absorption bearing (5) comprises an inner shaft (51), balls (52) and an outer shaft (53), the balls (52) are arranged between the inner shaft (51) and the outer shaft (53), the balls (52) are respectively in rolling connection with the inner shaft (51) and the outer shaft (53), and an output shaft of the motor (4) penetrates through the shock absorption bearing (5) to be fixedly connected with the inner shaft (51).

3. A shock absorbing patrol vehicle according to claim 2, wherein: shock-absorbing bearing (5) are gone up the cover and are equipped with safety cover (7), be equipped with on safety cover (7) with first through-hole (71) of shock-absorbing bearing (5) looks adaptation, the medial surface of first through-hole (71) with be equipped with gasket (72) between shock-absorbing bearing (5), the outer axle (53) of shock-absorbing bearing (5) with gasket (72) tight fit is connected.

4. A shock absorbing patrol vehicle according to claim 3, wherein: the front end of safety cover (7) is equipped with waterproof sheet (8), the front end of waterproof sheet (8) is located in waterproof extension axle (6), waterproof sheet (8) go up seted up with second through-hole (81) of the output shaft looks adaptation of motor (4), the output shaft of motor (4) pass second through-hole (81) with waterproof extension axle (6) fixed connection.