CN215435882U

CN215435882U - Chassis suspension structure

Info

Publication number: CN215435882U
Application number: CN202121212339.XU
Authority: CN
Inventors: 易金涛; 李新熠
Original assignee: Chongqing Ruipu Robot Research Institute Co ltd
Current assignee: Chongqing Ruipu Robot Research Institute Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-01-07
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a chassis suspension structure, wherein a transmission rod is movably connected with a connecting plate and is positioned on the side surface of the connecting plate, rotating wheels are fixedly connected with the transmission rod and are positioned on one side of the connecting plate far away from the transmission rod, a lower hinged rod is detachably connected with the connecting plate and is positioned below the connecting plate, the number of the upper hinged rods is two, the two upper hinged rods are fixedly connected with the connecting plate and are positioned above the connecting plate, two ends of a damping rod are respectively detachably connected with the two upper hinged rods and are positioned between the two upper hinged rods, through the structure, the connecting plate is kept in a suspension state, impact force applied to the rotating wheels is transmitted to the connecting plate, and the impact force is eliminated through the damping rods, so that a vehicle body is protected.

Description

Chassis suspension structure

Technical Field

The utility model relates to the technical field of mobile inspection robots, in particular to a chassis suspension structure.

Background

A mobile inspection robot is provided with an electromagnetic or optical automatic guide device, a carrying vehicle which can run along a specified guide path, generally takes a rechargeable storage battery as a power source, is widely applied to the fields of industrial transportation, information acquisition, mechanical automation and the like, and can be widely applied to the fields of uneven road surfaces of vehicle bodies in complex terrains such as mountainous regions, hills, deserts and the like, no corresponding buffer structure exists between wheels and a chassis, and a driving part on the chassis and the vehicle bodies are directly impacted to cause the damage of parts in the vehicles.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a chassis suspension structure, and aims to solve the technical problem that parts in a trolley are damaged due to the fact that a driving part on a chassis and a trolley body are directly impacted because a corresponding buffer structure is not arranged between wheels and the chassis when the trolley body runs on an uneven road surface in the prior art.

In order to achieve the purpose, the utility model provides a chassis suspension structure which comprises a rotating wheel, a connecting plate, a lower hinged rod, an upper hinged rod, a transmission rod and a shock absorption rod, wherein the transmission rod is movably connected with the connecting plate and is positioned on the side face of the connecting plate, the rotating wheel is fixedly connected with the transmission rod and is positioned on one side of the connecting plate far away from the transmission rod, the lower hinged rod is detachably connected with the connecting plate and is positioned below the connecting plate, the number of the upper hinged rods is two, the two upper hinged rods are both fixedly connected with the connecting plate and are both positioned above the connecting plate, and two ends of the shock absorption rod are respectively detachably connected with the two upper hinged rods and are positioned between the two upper hinged rods.

Wherein, the hinge bar includes head rod, first rotation round pin and bottom connector down, the one end of head rod is provided with the screw hole, the other end of head rod is provided with first through-hole, the head rod with connecting plate screw connection, and be located the below of connecting plate, first rotation round pin with head rod swing joint, and be located the inside of first through-hole, the bottom connector with first rotation round pin fixed connection, and be located the side of first rotation round pin.

The hinge rod comprises a second connecting rod, a second rotating pin and a first connecting head, a threaded hole is formed in one end of the second connecting rod, a second through hole is formed in the other end of the first connecting rod, the second connecting rod is connected with the connecting plate through screws and located below the connecting plate, the second rotating pin is movably connected with the second connecting rod and located inside the second through hole, and the first connecting head is fixedly connected with the second rotating pin and located on the side face of the second rotating pin.

Wherein, the shock attenuation pole includes spring beam, link, third rotating pin and second connector, the both ends of spring beam are provided with the third through-hole respectively, the both ends of link respectively with two the connection can be dismantled to the second connecting rod, and lie in two between the second connecting rod, the quantity of third rotating pin is two, two the third rotating pin respectively with spring beam swing joint, and lie in respectively corresponding the inside of third through-hole, the link with the second connector respectively with correspond third rotating pin fixed connection, and lie in respectively the both ends of spring beam.

The transmission rod comprises a universal coupling and a rotating shaft, the rotating shaft is fixedly connected with the rotating wheel and is positioned on the side face of the rotating wheel, one end of the universal coupling is fixedly connected with the rotating shaft, and the other end of the universal coupling is fixedly connected with an output shaft of the driving motor and is positioned between the rotating shaft and the output shaft.

The top end of the bottom connector is provided with a connecting hole, and the side walls of the first connector and the second connector are provided with connecting holes.

The utility model has the beneficial effects that: the lower hinged rod is connected with the bottom of the vehicle body chassis, the upper hinged rod is connected with the side wall of the vehicle body chassis, the shock absorption rod is respectively connected with the upper hinged rod and the chassis of the trolley body, when the trolley runs on an uneven road surface, the relative height of the connecting plate and the chassis of the vehicle body is changed, the lower hinged rod and the upper hinged rod continuously change the relative position to generate shaking, the damping rod buffers the shaking, thereby keeping the stability of the chassis of the vehicle body, the transmission rod adopts the universal coupling to carry out transmission, so that the rotating wheel does not need to be kept horizontal with the driving motor, the connecting plate can work under the condition of large-amplitude shaking, the connecting plate keeps a suspension state through the structure, the impact force applied to the rotating wheel is transmitted to the connecting plate and eliminated through the shock absorption rod, and therefore the vehicle body is protected.

Drawings

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

Fig. 1 is a schematic structural view of a chassis suspension structure of the present invention.

Fig. 2 is a schematic view of another angle of the suspension structure of the chassis of the present invention.

FIG. 3 is a side view of a chassis suspension structure of the present invention

1-rotating wheel, 2-connecting plate, 3-lower hinged rod, 4-upper hinged rod, 5-transmission rod, 6-shock-absorbing rod, 7-first connecting rod, 8-first rotating pin, 9-bottom connector, 10-first through hole, 11-second connecting rod, 12-second rotating pin, 13-first connector, 14-second through hole, 15-spring rod, 16-connecting frame, 17-third rotating pin, 18-second connector, 19-third through hole, 20-universal coupler, 21-rotating shaft and 22-connecting hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a chassis suspension structure, includes rotates wheel 1, connecting plate 2, lower hinge rod 3, goes up hinge rod 4, transfer line 5 and shock attenuation pole 6, transfer line 5 with 2 swing joint of connecting plate, and lie in the side of connecting plate 2, rotate wheel 1 with 5 fixed connection of transfer line, and lie in connecting plate 2 keeps away from one side of transfer line 5, lower hinge rod 3 with connecting plate 2 can dismantle the connection, and lie in the below of connecting plate 2, the quantity of going up hinge rod 4 is two, two go up hinge rod 4 all with 2 fixed connection of connecting plate, and all lie in the top of connecting plate 2, the both ends of shock attenuation pole 6 respectively with two go up hinge rod 4 can dismantle the connection, and lie in two go up between the hinge rod 4.

In the embodiment, the lower hinge rod 3 is connected with the bottom of the vehicle body chassis, the upper hinge rod 4 is connected with the side wall of the vehicle body chassis, the shock-absorbing rod 6 is respectively connected with the upper hinge rod 4 and the vehicle body chassis, when the trolley runs on an uneven road surface, the relative height of the connecting plate 2 and the vehicle body chassis changes, the lower hinge rod 3 and the upper hinge rod 4 continuously change relative positions to generate shake, the shock-absorbing rod 6 buffers the shake, so that the stability of the vehicle body chassis is kept, the transmission rod 5 adopts the universal coupling 20 to transmit, so that the rotating wheel 1 can work under the condition of large shake without keeping the rotating wheel horizontal with a driving motor, and by the structure, the connecting plate 2 keeps a suspension state, and the impact force applied to the rotating wheel 1 is transmitted to the connecting plate 2, and is eliminated by the shock-absorbing rod 6, thereby protecting the vehicle body.

Further, hinge bar 3 includes head rod 7, first rotation round pin 8 and bottom connector 9 down, the one end of head rod 7 is provided with the screw hole, the other end of head rod 7 is provided with first through-hole 10, head rod 7 with 2 screwed connection of connecting plate, and lie in the below of connecting plate 2, first rotation round pin 8 with head rod 7 swing joint, and lie in the inside of first through-hole 10, bottom connector 9 with first rotation round pin 8 fixed connection, and lie in the side of first rotation round pin 8.

In the present embodiment, when the vehicle travels on an uneven road surface, the first connecting rod 7 continuously rotates around the first rotating pin 8 to maintain the connection between the connecting plate 2 and the vehicle body chassis.

Further, two go up hinge rod 4 and all include second connecting rod 11, second rotating pin 12 and first connector 13, the one end of second connecting rod 11 is provided with the screw hole, the other end of first connecting rod 7 is provided with second through-hole 14, second connecting rod 11 with 2 screwed connection of connecting plate, and be located the below of connecting plate 2, second rotating pin 12 with second connecting rod 11 swing joint, and be located the inside of second through-hole 14, first connector 13 with second rotating pin 12 fixed connection, and be located the side of second rotating pin 12.

In the present embodiment, when the vehicle travels on an uneven road surface, the second connecting rod 11 continuously rotates around the second rotating pin 12 to maintain the connection between the connecting plate 2 and the vehicle body chassis.

Further, the shock absorbing rod 6 includes spring beam 15, link 16, third rotating pin 17 and second connector 18, the both ends of spring beam 15 are provided with third through hole 19 respectively, the both ends of link 16 respectively with two the connection can be dismantled to second connecting rod 11, and lie in two between the second connecting rod 11, the quantity of third rotating pin 17 is two, two third rotating pin 17 respectively with spring beam 15 swing joint, and be located respectively and correspond the inside of third through hole 19, link 16 with second connector 18 respectively with correspond third rotating pin 17 fixed connection, and be located respectively the both ends of spring beam 15.

In the present embodiment, the relative positions of the lower hinge rod 3 and the upper hinge rod 4 are continuously changed, and the shaking is generated and transmitted to the spring rod 15 through the connecting frame 16, and the spring rod 15 buffers the shaking by using the elastic deformation of the spring rod 15, so as to keep the stability of the vehicle body chassis.

Further, transfer line 5 includes universal joint 20 and pivot 21, pivot 21 with rotate 1 fixed connection of wheel, and be located rotate the side of wheel 1, universal joint 20's one end with pivot 21 fixed connection, universal joint 20's the other end and driving motor's output shaft fixed connection, and be located pivot 21 with between the output shaft.

In this embodiment, the transmission rod 5 is driven by the universal joint 20, so that the rotating wheel 1 does not need to be horizontal to the driving motor, and can work under the condition of large-amplitude shaking.

Further, the top end of the bottom connector 9 is provided with a connecting hole 22, and the side walls of the first connector 13 and the second connector 18 are both provided with the connecting hole 22.

In this embodiment, the bottom of the vehicle body chassis is connected to the connection hole 22 of the bottom connector 9, and the side wall of the vehicle body chassis is connected to the connection hole 22 of the second connector 18.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a chassis suspension structure, its characterized in that, is including rotating wheel, connecting plate, lower hinge rod, going up hinge rod, transfer line and shock attenuation pole, the transfer line with connecting plate swing joint, and be located the side of connecting plate, rotate the wheel with transfer line fixed connection, and be located the connecting plate is kept away from one side of transfer line, down the hinge rod with the connection plate can be dismantled and be connected, and be located the below of connecting plate, the quantity of going up hinge rod is two, two go up hinge rod all with connecting plate fixed connection, and all be located the top of connecting plate, the both ends of shock attenuation pole respectively with two go up hinge rod can dismantle and be connected, and be located two go up between the hinge rod.

2. The suspension structure of claim 1, wherein the lower hinge rod comprises a first connecting rod, a first rotating pin and a bottom connector, one end of the first connecting rod is provided with a threaded hole, the other end of the first connecting rod is provided with a first through hole, the first connecting rod is screwed with the connecting plate and is located below the connecting plate, the first rotating pin is movably connected with the first connecting rod and is located inside the first through hole, and the bottom connector is fixedly connected with the first rotating pin and is located at the side of the first rotating pin.

3. The chassis suspension structure according to claim 2, wherein each of the two upper hinge rods includes a second connecting rod, a second rotating pin and a first connecting joint, one end of the second connecting rod is provided with a threaded hole, the other end of the first connecting rod is provided with a second through hole, the second connecting rod is screwed with the connecting plate and is located below the connecting plate, the second rotating pin is movably connected with the second connecting rod and is located inside the second through hole, and the first connecting joint is fixedly connected with the second rotating pin and is located at a side of the second rotating pin.

4. The chassis suspension structure according to claim 3, wherein the shock absorbing rod comprises a spring rod, a connecting frame, a third rotating pin and a second connector, wherein third through holes are respectively formed at two ends of the spring rod, two ends of the connecting frame are detachably connected with two second connecting rods respectively and are located between the two second connecting rods, the number of the third rotating pins is two, the two third rotating pins are movably connected with the spring rod respectively and are located in the corresponding third through holes respectively, and the connecting frame and the second connector are fixedly connected with the corresponding third rotating pins respectively and are located at two ends of the spring rod respectively.

5. The chassis suspension structure according to claim 4, wherein the transmission rod includes a universal joint and a rotating shaft, the rotating shaft is fixedly connected to the rotating wheel and located at a side of the rotating wheel, one end of the universal joint is fixedly connected to the rotating shaft, and the other end of the universal joint is fixedly connected to an output shaft of the driving motor and located between the rotating shaft and the output shaft.

6. The suspension structure for a chassis according to claim 5, wherein the top end of the bottom connector is provided with a connecting hole, and the side walls of the first connector and the second connector are provided with connecting holes.