CN219406752U - Electric tricycle with heavy-duty underframe - Google Patents

Abstract

The utility model discloses an electric tricycle with a heavy-duty underframe, which comprises a first upper girder, wherein a second upper girder is arranged below the first upper girder, a plurality of upper girder rectangular pipes are arranged below the second upper girder, a fourth upper girder is arranged below the upper girder rectangular pipes, and a third upper girder is arranged below the fourth upper girder; the first auxiliary girder return bend that down installs the right side of first upper girder, the second auxiliary girder return bend is installed to the below of first auxiliary girder return bend down, the lower girder return bend is installed to the below of second auxiliary girder return bend down. The electric tricycle chassis with the heavy-duty chassis is reasonable in structure, uniform in stress and enhanced in weighing capacity. Under the condition of loading heavy goods, the product effectively disperses the weight, so that the bearing capacity of the frame is increased; stability is enhanced. Due to the gravity-resistant enhancement of the frame, the deformation of the frame is reduced, so that the stability of the vehicle in the running process is enhanced, and the service life is long.

Description

Electric tricycle with heavy-duty underframe

Technical Field

The utility model relates to the technical field of electric tricycles, in particular to an electric tricycle with a heavy-duty underframe.

Background

The electric tricycle is a three-wheel transport means for pulling goods or people, which uses a storage battery as power and a motor as a drive. The electric tricycle adopts a tubular high-capacity, left and right lining, deep discharge and traction type storage battery, can meet the requirement of continuous discharge during long-time work, and the storage battery is normally used for two years without reducing the inner capacity; the motor of the electric tricycle adopts a direct current series excited traction brush or brushless motor, and a speed and force adjusting device is arranged in the motor, so that the motor is not easy to damage in normal use, and the output power is ensured to be strong.

The existing electric tricycle is applicable to a double-beam structure, is very weak in load aspect, causes that the tricycle type is small in pulling goods and unstable in safety bottom chassis, cannot adapt to the existing heavy-load transportation requirement, and therefore, the electric tricycle with the heavy-load type bottom chassis is provided.

Disclosure of Invention

The utility model aims to provide an electric tricycle with a heavy-duty underframe, which aims to solve the problems that the existing electric tricycle is suitable for a double-beam structure in the prior art, is very weak in load aspect, causes small pulling of a tricycle type and unstable safety underframe, and cannot meet the existing heavy-duty transportation requirement.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the electric tricycle comprises a first upper main beam, a second upper main beam is arranged below the first upper main beam, a plurality of upper longitudinal beam rectangular pipes are arranged below the second upper main beam, a fourth upper main beam is arranged below the upper longitudinal beam rectangular pipes, and a third upper main beam is arranged below the fourth upper main beam;

the first auxiliary girder return bend that down, it installs the right side of first upper girder, the second auxiliary girder return bend is installed to the below of first auxiliary girder return bend down, the lower girder return bend is installed to the below of second auxiliary girder return bend down, the third auxiliary girder return bend is installed to the below of lower girder return bend.

Preferably, the second upper main beam is welded with the upper longitudinal beam rectangular pipe, and the upper longitudinal beam rectangular pipe is welded with the fourth upper main beam.

Preferably, the first upper girder is parallel to the second upper girder, the second upper girder is parallel to the fourth upper girder, and the fourth upper girder is parallel to the third upper girder.

Preferably, the first upper main beam is welded with the first lower auxiliary beam bent pipe, and the third upper main beam is welded with the third lower auxiliary beam bent pipe.

Preferably, the fourth upper main beam is further provided with:

the rectangular cylinder, it installs the inner wall of girder on the fourth, the below fixed mounting of rectangular cylinder has the bottom plate, accommodate the lead screw is worn to be equipped with in the inside middle part of rectangular cylinder, accommodate the lead screw's rear end and install splint, the internally mounted of splint has connecting bearing, the surface mounting of splint has the protection rubber pad, supplementary spacing hole has been seted up to the inside both sides of rectangular cylinder, supplementary gag lever post is worn to be equipped with in the inside of supplementary spacing hole.

Preferably, the rectangular cylinder is welded with the second upper main beam, and the shape and the size of the clamping plate are smaller than those of the inside of the rectangular cylinder.

Preferably, the adjusting screw is in threaded connection with the rectangular cylinder, the adjusting screw is movably connected with the clamping plate through a connecting bearing, the auxiliary limiting rod is fixedly connected with the clamping plate, meanwhile, the diameter size of the auxiliary limiting rod is identical with the shape size of the inside of the auxiliary limiting hole, and the auxiliary limiting rod moves in the auxiliary limiting hole.

Compared with the prior art, the utility model provides an electric tricycle with a heavy-duty underframe, which has the following beneficial effects: this electric tricycle of heavy load formula chassis is through setting up first girder, second upper girder, third upper girder and fourth upper girder and multichannel roof beam such as first auxiliary girder return bend, second auxiliary girder return bend, third auxiliary girder return bend and lower girder return bend down for this electric tricycle chassis is rational in infrastructure, the atress is even, the weighing capability reinforcing. Under the condition of loading heavy goods, the product effectively disperses the weight, so that the bearing capacity of the frame is increased; stability is enhanced. Due to the gravity-resistant enhancement of the frame, the deformation of the frame is reduced, so that the stability of the vehicle in the running process is enhanced, and the service life is long.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the rectangular cylinder of the present utility model;

FIG. 3 is a schematic view of the connection structure of the clamping plate and the adjusting screw rod of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a first upper main beam; 2. a second upper main beam; 3. a bottom plate; 4. a clamping plate; 5. a first lower secondary beam elbow; 6. a second lower secondary beam elbow; 7. a third lower secondary beam elbow; 8. a lower girder elbow; 9. an auxiliary limit rod; 10. a protective rubber pad; 11. a third upper main beam; 12. a fourth upper main beam; 13. an upper longitudinal beam rectangular tube; 14. adjusting a screw rod; 15. a rectangular cylinder; 16. auxiliary limiting holes; 17. and connecting the bearings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, an electric tricycle with a heavy-duty chassis includes a first upper main beam 1, a second upper main beam 2 is installed below the first upper main beam 1, a plurality of upper longitudinal beam rectangular pipes 13 are installed below the second upper main beam 2, and a fourth upper main beam 12 is installed below the upper longitudinal beam rectangular pipes 13; the second upper girder 2 is welded with an upper longitudinal girder rectangular pipe 13, the upper longitudinal girder rectangular pipe 13 is welded with a fourth upper girder 12, and a third upper girder 11 is arranged below the fourth upper girder 12; the first upper girder 1 is parallel to the second upper girder 2, and the second upper girder 2 is parallel to the fourth upper girder 12, and the fourth upper girder 12 is parallel to the third upper girder 11; the first lower auxiliary beam bent pipe 5 is arranged on the right side of the first upper main beam 1, the second lower auxiliary beam bent pipe 6 is arranged below the first lower auxiliary beam bent pipe 5, the lower main beam bent pipe 8 is arranged below the second lower auxiliary beam bent pipe 6, and the third lower auxiliary beam bent pipe 7 is arranged below the lower main beam bent pipe 8; the first upper main beam 1 is welded with the first lower auxiliary beam bent pipe 5, and the third upper main beam 11 is welded with the third lower auxiliary beam bent pipe 7; through setting up multichannel roof beam such as first upper girder 1, second upper girder 2, third upper girder 11 and fourth upper girder 12 and first auxiliary girder return bend 5, second auxiliary girder return bend 6, third auxiliary girder return bend 7 and lower girder return bend 8 down for this electric tricycle chassis is rational in infrastructure, the atress is even, the weighing capability reinforcing. Under the condition of loading heavy goods, the product effectively disperses the weight, so that the bearing capacity of the frame is increased; stability is enhanced. Due to the gravity-resistant enhancement of the frame, the deformation of the frame is reduced, so that the stability of the vehicle in the running process is enhanced, and the service life is long.

Referring to fig. 1-4, an electric tricycle with a heavy-duty chassis includes a rectangular cylinder 15, which is mounted on an inner wall of a fourth upper main beam 12, a bottom plate 3 is fixedly mounted below the rectangular cylinder 15, an adjusting screw 14 is penetrated in the middle of the interior of the rectangular cylinder 15, and a clamping plate 4 is mounted at the rear end of the adjusting screw 14; the rectangular cylinder 15 is welded with the second upper main beam 2, the shape and the size of the clamping plate 4 are smaller than those of the inside of the rectangular cylinder 15, a connecting bearing 17 is arranged in the clamping plate 4, a protective rubber pad 10 is arranged on the outer surface of the clamping plate 4, auxiliary limiting holes 16 are formed in two sides of the inside of the rectangular cylinder 15, and auxiliary limiting rods 9 are arranged in the auxiliary limiting holes 16 in a penetrating mode; the adjusting screw rod 14 is in threaded connection with the rectangular cylinder 15, the adjusting screw rod 14 is movably connected with the clamping plate 4 through the connecting bearing 17, the auxiliary limiting rod 9 is fixedly connected with the clamping plate 4, meanwhile, the diameter size of the auxiliary limiting rod 9 is matched with the shape size of the inside of the auxiliary limiting hole 16, and the auxiliary limiting rod 9 moves in the inside of the auxiliary limiting hole 16; the clamping plate 4 is pushed to move by rotating the adjusting screw rod 14, so that the storage battery is fixed in the rectangular cylinder 15, the operation of installing the storage battery on the underframe becomes simple and convenient, and meanwhile, the storage batteries with different sizes and specifications are convenient to install.

Working principle: when the heavy-duty chassis is used, firstly, a storage battery is placed on the bottom plate 3, then the adjusting screw rod 14 is rotated, the adjusting screw rod 14 is moved through threads, the clamping plate 4 is driven to approach the storage battery, the storage battery is clamped and fixed by matching with the rectangular cylinder 15, secondly, when the electric tricycle runs under load, the first upper main beam 1, the second upper main beam 2, the third upper main beam 11, the fourth upper main beam 12, the first lower auxiliary beam bent pipe 5, the second lower auxiliary beam bent pipe 6, the third lower auxiliary beam bent pipe 7, the lower main beam bent pipe 8 and other multiple beams bear weight firstly when the multiple beams are acted by gravity, the weight is well dispersed on the four beams, and the force is also well dispersed when the gravity borne by the upper four beams is transmitted to the lower five beams, so that the frame is stressed uniformly, the load capacity is greatly improved, the efficiency and the safety are greatly improved when the load capacity is improved, and the principle is that the heavy-duty chassis is used for the electric tricycle.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. An electric tricycle with a heavy-duty chassis, comprising:

the first upper main beam (1), a second upper main beam (2) is arranged below the first upper main beam (1), a plurality of upper longitudinal beam rectangular pipes (13) are arranged below the second upper main beam (2), a fourth upper main beam (12) is arranged below the upper longitudinal beam rectangular pipes (13), and a third upper main beam (11) is arranged below the fourth upper main beam (12);

the first auxiliary girder return bend (5) down, it is installed the right side of first upper girder (1), second auxiliary girder return bend (6) are installed to the below of first auxiliary girder return bend (5), main girder return bend (8) are installed to the below of second auxiliary girder return bend (6), third auxiliary girder return bend (7) are installed to the below of main girder return bend (8) down.

2. The heavy-duty underframe electric tricycle of claim 1 characterized in that the second upper main beam (2) is welded with an upper longitudinal beam rectangular pipe (13), and the upper longitudinal beam rectangular pipe (13) is welded with a fourth upper main beam (12).

3. The heavy-duty undercarriage electric tricycle of claim 1 wherein the first upper main beam (1) is parallel to the second upper main beam (2), the second upper main beam (2) is parallel to the fourth upper main beam (12), and the fourth upper main beam (12) is parallel to the third upper main beam (11).

4. The heavy-duty underframe electric tricycle of claim 1 characterized in that the first upper main beam (1) is welded with the first lower auxiliary beam elbow (5), and the third upper main beam (11) is welded with the third lower auxiliary beam elbow (7).

5. The heavy-duty undercarriage electric tricycle of claim 1 wherein the fourth upper main beam (12) is further provided with:

rectangular cylinder (15), it is installed the inner wall of girder (12) on the fourth, the below fixed mounting of rectangular cylinder (15) has bottom plate (3), accommodate the lead screw (14) are worn to be equipped with in the inside middle part of rectangular cylinder (15), accommodate the lead screw (14), splint (4) are installed to the rear end of accommodate the lead screw (14), the internally mounted of splint (4) has connecting bearing (17), the surface mounting of splint (4) has protection rubber pad (10), supplementary spacing hole (16) have been seted up to the inside both sides of rectangular cylinder (15), supplementary gag lever post (9) are worn to be equipped with in the inside of supplementary spacing hole (16).

6. The heavy-duty underframe electric tricycle of claim 5 characterized in that the rectangular cylinder (15) is welded with the second upper main beam (2), and the shape and size of the clamping plate (4) are smaller than the shape and size of the inside of the rectangular cylinder (15).

7. The electric tricycle with the heavy-duty underframe according to claim 5 is characterized in that the adjusting screw rod (14) is in threaded connection with the rectangular cylinder (15), the adjusting screw rod (14) is movably connected with the clamping plate (4) through the connecting bearing (17), the auxiliary limiting rod (9) is fixedly connected with the clamping plate (4), meanwhile, the diameter size of the auxiliary limiting rod (9) is matched with the shape size of the inside of the auxiliary limiting hole (16), and the auxiliary limiting rod (9) moves in the inside of the auxiliary limiting hole (16).