WO2023035484A1

WO2023035484A1 - Robot frame

Info

Publication number: WO2023035484A1
Application number: PCT/CN2021/139866
Authority: WO
Inventors: 张笛; 张益通; 梁明强; 钟志鸣
Original assignee: 东莞市本末科技有限公司
Priority date: 2021-09-10
Filing date: 2021-12-21
Publication date: 2023-03-16
Also published as: CN113664799A

Abstract

A robot frame, comprising: a frame body (1), the frame body (1) comprising two mounting side plates (11) arranged opposite to each other and multiple sets of beam shafts (12) erected between the two mounting side plates (11); a connecting panel (2) mounted on the beam shafts (12) and located on the upper surface of the frame body (1); an induction mounting mechanism (3) mounted on the front end of the frame body (1); a control mounting mechanism (4) mounted on the frame body (1) and located on the upper side of the induction mounting mechanism (3), the control mounting mechanism (4) being mounted with a control plate (41); a front wheel assembly (5) mounted on the mounting side plates (11) and on the side close to the induction mounting mechanism (3); a rear wheel assembly (6) mounted on the frame body 1 and on the side distant from the induction mounting mechanism (3); and a battery assembly (7) mounted inside the frame body (1) and electrically connected to the control plate (41). The described robot frame integrates a plurality of structures on the frame body (1), the overall structural design is reasonable, and the structure is stable and reliable.

Description

A robot rack

Cross-references to related applications.

This application claims the priority of the Chinese patent application with the application number 202111063347.7 and the title of the invention "Robot Rack" filed with the China Patent Office on September 10, 2021, the entire contents of which are incorporated herein by reference.

technical field

The invention relates to the technical field of robots, in particular to a robot frame.

Background technique

A robot is an intelligent machine that can work semi-autonomously or fully autonomously. Robots have basic characteristics such as perception, decision-making, and execution. They can assist or even replace humans in completing dangerous, heavy, and complicated tasks, improve work efficiency and quality, and serve human life. Expand or extend the scope of human activities and abilities.

With the advancement of science and technology, the application of robots is becoming more and more common, such as cleaning robots, cargo robots, inspection robots, etc., which can realize intelligent control. Existing robots generally include racks and moving wheels, and some robots include The leg structure cooperates with the moving wheel set to realize various actions, and the auxiliary wheels are needed to cooperate with the movement of the robot body during the action process, so the robot body has auxiliary wheels, generally the auxiliary wheels are universal transmission wheels.

technical problem

The frame of the robot is a necessary structure of the structure. The existing robot and its structure are single, and the stability is relatively poor, which affects the robot to make various actions.

technical solution

In order to solve the above problems, the present invention provides a robot frame that integrates multiple structures on the frame body, the overall structure design is reasonable, and the structure is stable and reliable.

Above-mentioned purpose can adopt following technical scheme to realize.

A robot frame includes a frame body, the frame body includes two opposite installation side plates, and multiple sets of beam shafts erected between the two installation side plates; a connecting panel is installed on the beam shaft and located on the The upper surface of the frame body; the induction installation mechanism is installed on the front end of the frame body; the control installation mechanism is installed on the frame body and is located on the upper side of the induction installation mechanism, and the control installation mechanism is equipped with a control panel; the front wheel assembly , installed on the side where the side plate is installed and close to the induction installation mechanism; the rear wheel assembly is installed on the side of the rack body away from the induction installation mechanism; the battery assembly is installed inside the rack body and is electrically connected to the control board.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below. Other features, objects and advantages of the invention will be apparent from the description, drawings and claims.

Beneficial effect

Compared with the ordinary robot frame, the present invention integrates multiple structures on the frame body, the overall structure design is reasonable, the structure is stable and reliable, and the connection panels are respectively set for the connection of the load, and different loads can be replaced arbitrarily. The installation mechanism is used for the installation of robot sensing components, and the control installation mechanism is used for the installation of structures such as control boards. The front wheel assembly and the rear wheel assembly ensure the overall stability of the robot when it moves horizontally. Power supply, good structural stability. Specifically, a frame body is provided, and the frame body includes two opposite installation side plates and multiple sets of beam shafts erected between the two installation side plates; the connecting panel is installed on the beam shaft and is located on the frame The upper surface of the body; the induction installation mechanism is installed on the front end of the frame body; the control installation mechanism is installed on the frame body and is located on the upper side of the induction installation mechanism, and the control installation mechanism is equipped with a control panel; the front wheel assembly is installed The side plate is installed on the side close to the induction installation mechanism; the rear wheel assembly is installed on the side of the frame body away from the induction installation mechanism; the battery assembly is installed inside the frame body and electrically connected to the control board. The overall structure is simple, the design is reasonable, the operation is stable, it is suitable for the robot to make various actions, and the structure is rigid.

Description of drawings

In order to better describe and illustrate embodiments and/or examples of the inventions disclosed herein, reference may be made to one or more of the accompanying drawings. Additional details or examples used to describe the drawings should not be considered limitations on the scope of any of the disclosed inventions, the presently described embodiments and/or examples, and the best mode of these inventions currently understood.

Fig. 1 is a schematic diagram of the three-dimensional structure of the robot frame of the present invention.

Fig. 2 is a schematic diagram of the exploded structure of the robot rack in Fig. 1 .

Fig. 3 is a schematic diagram of an exploded structure from another perspective of the robot rack in Fig. 1 .

FIG. 4 is a schematic structural diagram of the front wheel assembly of the robot rack in FIG. 1 .

Fig. 5 is a structural schematic diagram of the rear wheel assembly of the robot rack in Fig. 1 .

FIG. 6 is a schematic diagram of the exploded structure of the battery assembly of the robot rack in FIG. 1 .

Explanation of reference numerals: rack body 1, installation side plate 11, rubber outer edge 111, weight reduction groove 112, grip groove 113, driving installation position 114, first slot 115, first expansion slot 115a, second insertion slot Slot 116, second expansion slot 116a, beam axis 12, fixing element 121, connection panel 2, first connection panel 21, second installation panel 22, installation area 23, induction installation mechanism 3, beam lower plate 31, first insertion Connecting part 311, crossbeam upper plate 32, second socket part 321, fixed connection seat 33, protective cover 34, induction mounting plate 35, front bottom bracket 36, control mounting mechanism 4, control board 41, mounting panel 42, upper end connection Part 43, connecting hinge 431, opening and closing cover plate 44, lower end connecting part 45, front wheel assembly 5, front wheel bracket 51, front wheel connecting column 511, front wheel connecting plate 512, reinforcing rib 513, front wheel shaft 514, universal Wheel set 52, front wheel frame 521, front transverse groove 522, front wheel transverse roller 523, rear wheel assembly 6, rear wheel support 61, rear wheel axle 62, wheel axle connecting seat 621, rear universal wheel set 63, rear wheel frame 631 , rear transverse groove 632, rear wheel transverse roller 633, rear end plate 64, bottom plate 65, battery assembly 7, installation frame 71, frame bottom plate 711, frame side plate 712, frame front end plate 713, extension 713a, frame rear End plate 714, frame top plate 715, weight reducing heat sink 716, battery module 72, power switch 73, connecting assembly 74, upper connecting seat 741, first connecting shaft 741a, lower connecting seat 742, second connecting shaft 742a.

Embodiments of the present invention

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

As shown in Figures 1 to 6, a robot frame includes a frame body 1, and the frame body 1 includes two oppositely arranged installation side plates 11, and a plurality of groups erected between the two installation side plates 11. The beam shaft 12; the connecting panel 2 is installed on the beam shaft 12 and is located on the upper surface of the frame body 1; the induction installation mechanism 3 is installed on the front end of the frame body 1; the control installation mechanism 4 is installed on the frame body 1 and Located on the upper side of the induction installation mechanism 3, the control installation mechanism 4 is equipped with a control panel 41; the front wheel assembly 5 is installed on the installation side plate 11 and is close to the side of the induction installation mechanism 3; the rear wheel assembly 6 is installed on the machine The side of the frame body 1 away from the induction installation mechanism 3 ; the battery assembly 7 is installed inside the frame body 1 and electrically connected to the control board 41 .

As shown in Figure 2, the outer edge of the installation side plate 11 is covered with a rubber outer edge 111; the installation side plate 11 is evenly distributed with several weight-reducing grooves 112, the overall use strength is high, the weight is light, and at the same time the outer edge after processing It is an acute angle, through the coating of the rubber outer edge 111, the acute angle is wrapped to ensure the safety factor of use, and there are several weight-reducing grooves 112 evenly distributed on the installation side plate 11; setting the weight-reducing groove 112 can further reduce the structure. weight, reducing the load on the robot.

The top of the installation side plate 11 is provided with a grip groove 113, and the underside of the installation side plate 11 is located at the grip groove 113 and is provided with a drive installation position 114, and the drive installation position 114 is provided with several drive connection holes; The groove 113 can be used to hold the handle for the structure, and the drive installation position 114 is used for the installation of the drive structure, and the drive connection hole is used for penetrating the screw and locking and fixing the drive structure, so that the structure is easy to install.

The two ends of the beam shaft 12 are provided with fixing elements 121 fixedly installed on the installation side plate 11, and the fixing elements 121 are screws or nuts; according to the processing conditions at the two ends of the beam shaft 12, the fixing elements 121 are nuts if they are selected as threaded columns. Screws are used for the threaded holes, and gaskets are generally provided for the connection between the two, so as to prevent damage to the installation side plate 11 while ensuring the stability of the structural connection.

Referring to Fig. 2, the connection panel 2 includes a first connection panel 2 installed on the beam shaft 12, and a second installation panel 22 detachably installed on the first connection panel 21, and the second installation panel 22 is provided with an installation area 23. Through the cooperation of the first connection panel 21 and the second installation panel 22, it is used to install different loads, and the second installation panel 22 can be replaced arbitrarily for installation. The installation area 23 can be designed arbitrarily according to the structure of the load, and has strong versatility .

Referring to Fig. 3, the inductive installation mechanism 3 includes a beam lower plate 31 and a beam upper plate 32 connected to the installation side plate 11, and a fixed connection seat 33 that connects the beam lower plate 31, the beam upper plate 32 and the installation side plate 11 fixedly. , the protective cover 34 sleeved on the upper beam 32 and the lower beam 31, the induction mounting plate 35 installed on the lower beam 31 and corresponding to the protective cover 34, and connected to the bottom of the induction mounting plate 35 and connected to the installation side plate 11 The front end bottom bracket 36 of the front end, through the beam upper plate 32 and the beam lower plate 31 combined with the fixed connection seat 33 so that the structure is fixedly connected with the installation side plate 11, while ensuring the structural rigidity of the frame body 1, it is also convenient for the protective cover 34 and After the installation of the induction mounting plate 35, the protective cover 34 plays a protective role to the internal structure after installation, and even if a collision occurs, the internal induction structure can also be protected.

The lower beam 31 is provided with a first insertion portion 311, the upper beam 32 is provided with a second insertion portion 321, and the installation side plate 11 is provided with a first slot 115 and a second slot 116. The first insertion part 311 is inserted into the first slot 115, the second insertion part 321 is inserted into the second slot 116, and the inner end of the first slot 115 is provided with a first expansion slot 115a, The inner end of the second slot 116 is provided with a second expansion slot 116a, through the mating connection between the socket part and the socket slot, the stability of the structure and the connection strength are further ensured. In addition, the expansion slot can play the role of expansion buffer , the impact force of the rack body 1 can be reduced when the rack body 1 is impacted or the like.

3, the control installation mechanism 4 includes a mounting panel 42 connected to the battery assembly 7, an upper connecting portion 43 provided on the frame body 1, an opening and closing cover plate 44 that can be opened and closed connected to the upper connecting portion 43, and Connected to the lower connecting portion 45 of the induction installation mechanism 3; the upper connecting portion 43 is provided with a connecting hinge 431, the opening and closing cover 44 is connected to the connecting hinge 431, and the opening and closing cover 44 is connected to the installation panel 42 There is a placement chamber, the control board 41 is placed in the placement chamber and connected to the installation panel 42, and the opening and closing cover plate 44 can be used to open and close the placement chamber, perform operations such as maintenance or writing data on the control board 41, and Connected by connecting hinge 431, the overall structure is simple and easy to use.

Referring to shown in Figure 4, the front wheel assembly 5 includes a front wheel bracket 51 connected to the installation side plate 11, and a front universal wheel group 52 installed on the front wheel bracket 51, and the front wheel bracket 51 includes a front wheel bracket connected to the installation side plate 11 front wheel connecting column 511, the front wheel connecting plate 512 that is connected to the front wheel connecting column 511, the reinforcing rib 513 that is connected between the front wheel connecting plate 512 and the installation side plate 11, and erects between the front wheel connecting plate 512 and the The front wheel shaft 514 between the side plates 11 is installed, and the front universal wheel group 52 is rotatably mounted on the front wheel shaft 514; the front wheel bracket 51 is used for the installation of the front universal wheel group 52, and the overall stability is structurally matched. Good, easy to install, high support strength, and set reinforcement rib 513 connection, high impact strength.

The front universal wheel set 52 includes a front wheel frame 521, a front transverse groove 522 circumferentially opened on the front wheel frame 521, and a front wheel transverse roller 523 installed in the front transverse groove 522. There are two groups, and the front transverse grooves 522 of the two groups are alternately arranged, and the front wheel transverse rollers 523 are provided to realize lateral movement, and the movement stability is good.

5, the rear wheel assembly 6 includes a rear wheel bracket 61, a rear wheel shaft 62 mounted on the mounting side plate 11 and connected to the rear wheel bracket 61, and a rear universal wheel group 63 mounted on the rear wheel shaft 62. The rear wheel support 61 includes a rear end plate 64 connected to the rear wheel shaft 62 and a bottom bracket 65, the rear wheel shaft 62 is centered with a wheel shaft connection seat 621, and the wheel shaft connection seat 621 is connected to the rear end plate 64 and the bottom bracket 65. Connection; the rear end plate 64 and the bottom support plate 65 are used to connect and fix the rear wheel shaft 62, which facilitates the transmission of the rear universal wheel set 63 and keeps moving stably.

The rear universal wheel set 63 includes a rear wheel frame 631, a rear transverse groove 632 circumferentially opened on the rear wheel frame 631, and a rear wheel transverse roller 633 installed in the rear transverse groove 632. There are two groups, and the rear transverse grooves 632 of the two groups are alternately arranged, and the rear transverse rollers are set to realize lateral movement, and the movement stability is good.

6, the battery assembly 7 includes a mounting frame 71, a battery module 72 installed in the mounting frame 71, a power switch 73 located on one side of the mounting frame 71, and a connection assembly 74 connected to the mounting frame 71. The battery module 72 is covered with a flexible plate, the flexible plate is attached to the installation frame 71, and the connection assembly 74 includes an upper connection seat 741 located at the top of the installation frame 71 and a lower end located at the bottom of the installation frame 71 The connecting seat 742, the installation frame 71 is fixedly installed through the upper connecting seat 741 and the lower connecting seat 742, The protection effect on the battery module 72 is good, and the flexible plate is covered on the battery module 72 to reduce the vibration during the working process of the robot and further improve the protection effect of the structure.

The mounting frame 71 includes a frame bottom plate 711, two groups of frame side plates 712 erected on both sides of the frame bottom plate 711, a frame front end plate 713 and a frame rear end plate 714 respectively connected to the frame side plate 712 and the frame bottom plate 711 two ends, and The frame top plate 715 that is arranged on the front end plate 713 of the frame and the rear end plate 714 of the frame and is connected with the frame side plate 712, the upper end connection seat 741 is installed on the frame top plate 715, and the lower end connection seat 742 is installed on the frame bottom plate 711; The installation frame 71 formed by processing the plate has a good protection effect on the battery module 72, and the battery module 72 is covered with a flexible plate to reduce the vibration during the robot's work and further improve the protection effect of the structure. In addition, a connecting component 74 is provided It is used to connect the installation frame 71 with the body structure of the robot, and the structure is easy to install, stable and reliable.

The frame bottom plate 711, the frame side plate 712, the frame front end plate 713 and the frame rear end plate 714 are all provided with a weight-reducing heat dissipation groove 716; Snap together to form a rectangular placement cavity, the battery module 72 is placed in the rectangular placement cavity; two sets of frame side plates 712 are connected with each other by connecting columns; two sets of frame side plates 712 are provided with connecting columns They are connected to each other and adopt the assembly method of interlocking, which is convenient for assembly and reliable in structure, and a connecting column is set for fixed connection, which further ensures the stability and reliability of the structure.

The front end plate 713 of the frame is provided with extensions 713a toward both sides, and the extensions 713a are evenly distributed with several connecting holes, which can be used for the control module of the robot to cooperate and install through the extensions 713a and the connecting holes, the structure is convenient for installation, and Multiple connection holes can be adjusted and installed according to the structure, and the application range is wide.

The upper connecting seat 741 is provided with a first connecting shaft 741a, and the first connecting shaft 741a is installed on the mounting frame 71. The upper connecting seat 741 is provided with two groups and is distributed on both sides of the mounting frame 71. The lower end is connected to Seat 742 is provided with second connecting shaft 742a, and described second connecting shaft 742a is installed on installation frame 71, and described lower end connecting seat 742 is provided with two groups, and is distributed in the both sides of installation frame 71; The connecting shaft 741a is connected with the second connecting shaft 742a, the structural connection is stable, and the installation is convenient.

The present invention integrates multiple structures on the frame body 1, the overall structure design is reasonable, the structure is stable and reliable, the connection panels 2 are respectively provided for the connection of loads, different loads can be replaced arbitrarily, and the induction installation mechanism 3 is provided for the robot The installation of the induction components, the control installation mechanism 4 is used for the installation of structures such as the control board 41, the front wheel assembly 5 and the rear wheel assembly 6 ensure the overall stability of the robot when it moves horizontally, in addition, the battery assembly 7 is set for the robot Power supply, good structural stability. Specifically, a frame body 1 is provided, and the frame body 1 includes two opposite installation side plates 11 and multiple sets of beam shafts 12 erected between the two installation side plates 11; the connecting panel 2 is installed on The beam shaft 12 is also located on the upper surface of the frame body 1; the induction installation mechanism 3 is installed on the front end of the frame body 1; the control installation mechanism 4 is installed on the frame body 1 and is located on the upper side of the induction installation mechanism 3. The control installation mechanism 4 is equipped with a control board 41; the front wheel assembly 5 is installed on the installation side plate 11 and close to the side of the induction installation mechanism 3; the rear wheel assembly 6 is installed on the frame body 1 and away from the side of the induction installation mechanism 3 ; The battery assembly 7 is installed inside the frame body 1 and is electrically connected to the control board 41 . The overall structure is simple, the design is reasonable, the operation is stable, it is suitable for the robot to make various actions, and the structure is rigid.

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims

A robot frame, characterized in that: comprising

The frame body, the frame body includes two opposite installation side plates, and multiple sets of beam shafts erected between the two installation side plates;

The connection panel is installed on the beam axis and located on the upper surface of the frame body;

The induction installation mechanism is installed on the front end of the rack body;

The control installation mechanism is installed on the frame body and is located on the upper side of the induction installation mechanism, and the control installation mechanism is equipped with a control panel;

The front wheel assembly is installed on the side where the side panel is installed and is close to the induction installation mechanism;

The rear wheel assembly is installed on the frame body and away from the side of the induction installation mechanism;

The battery assembly is installed inside the frame body and electrically connected with the control board.
The robot frame according to claim 1, characterized in that: the outer edge of the installation side plate is covered with a rubber outer edge; the installation side plate is evenly distributed with several weight-reducing grooves;

The top of the installation side plate is provided with a holding groove, and the installation side plate is located on the lower side of the holding groove to provide a drive installation position, and the drive installation position is provided with several drive connection holes;

Both ends of the beam shaft are provided with fixing elements fixedly installed on the installation side plate, and the fixing elements are screws or nuts.
The robot frame according to claim 1, wherein the connection panel includes a first installation panel installed on the beam axis, and a second installation panel detachably installed on the first installation panel, and the second installation panel The panel has a mounting area.
The robot frame according to claim 1, characterized in that: the induction installation mechanism includes a beam lower plate and a beam upper plate connected to the installation side plate, and a device for fixedly connecting the beam lower plate, the beam upper plate and the installation side plate The fixed connection seat, the protective cover set on the upper plate of the beam and the lower plate of the beam, the induction mounting plate installed on the lower plate of the beam and corresponding to the protective cover, and the front end bracket connected to the bottom of the induction mounting plate and connected to the installation side plate.
The robot frame according to claim 4, wherein the lower plate of the beam is provided with a first insertion portion, the upper plate of the beam is provided with a second insertion portion, and the installation side plate is provided with a first insertion portion. a slot and a second slot, the first insertion part is inserted into the first slot, the second insertion part is inserted into the second slot, and the inner end of the first slot is provided with a second An expansion slot, the inner end of the second slot is provided with a second expansion slot.
The robot frame according to claim 1, wherein the control installation mechanism includes a mounting panel connected to the battery assembly, an upper connection part provided on the frame body, and an opening and closing part connected to the upper connection part. The cover plate and the lower connecting portion connected to the induction installation mechanism; the upper connecting portion is provided with a connecting hinge, the opening and closing cover is connected with the connecting hinge, and a placement cavity is provided between the opening and closing cover and the installation panel , the control board is placed in the installation cavity and connected with the installation panel.
The robot frame according to claim 1, wherein the front wheel assembly includes a front wheel bracket connected to the mounting side plate, and a front universal wheel set mounted on the front wheel bracket, and the front wheel bracket includes The front wheel connection column connected to the installation side plate, the front wheel connection plate connected to the front wheel connection column, the reinforcement rib connected between the front wheel connection plate and the installation side plate, and the erection between the front wheel connection plate and the installation side plate Between the front wheel shaft, the front universal wheel set can be rotatably mounted on the front wheel shaft; the front universal wheel set includes a front wheel frame, a front transverse groove circumferentially opened on the front wheel frame, and a front transverse groove installed on the front wheel frame The front wheel horizontal rollers, the front universal wheel set is horizontally provided with two groups, and the front horizontal grooves of the two groups are arranged alternately.
The robot frame according to claim 1, wherein the rear wheel assembly comprises a rear wheel bracket, a rear wheel shaft erected on the installation side plate and connected with the rear wheel bracket, and a rear universal wheel mounted on the rear wheel shaft The rear wheel bracket includes a rear end plate and a bottom support plate connected to the rear wheel shaft, and a wheel shaft connection seat is provided in the center of the rear wheel shaft, and the wheel shaft connection seat is connected to the rear end plate and the bottom support plate; The universal wheel set includes a rear wheel frame, a rear transverse groove circumferentially opened on the rear wheel frame, and a rear wheel transverse roller installed in the rear transverse groove. The rear universal wheel set is horizontally provided with two groups, and two groups of The rear transverse grooves are arranged alternately.
The robot frame according to claim 1, wherein the battery assembly includes a mounting frame, a battery module installed in the mounting frame, a power switch disposed on one side of the mounting frame, and a power switch connected to the mounting frame The connection assembly; the battery module is covered with a flexible board, the flexible board is attached to the installation frame, and the connection assembly includes an upper connection seat at the top of the installation frame and a lower connection seat at the bottom of the installation frame, The installation frame is fixedly installed through the upper connecting seat and the lower connecting seat.
The robot frame according to claim 9, wherein the installation frame comprises a frame bottom plate, two sets of frame side plates erected on both sides of the frame bottom plate, and frames respectively connected to the two ends of the frame side plate and the frame bottom plate The front end plate and the frame rear end plate, and the frame top plate arranged on the frame front end plate and the frame rear end plate and connected to the frame side plate, the upper end connecting seat is installed on the frame top plate, and the lower end connecting seat is installed on the frame bottom plate; The frame bottom plate, frame side plate, frame front end plate and frame rear end plate are all provided with weight-reducing heat dissipation grooves; the frame bottom plate, frame side plates, frame front end plate and frame rear end plate are engaged with each other to form a rectangular placement cavity, The battery module is placed in a rectangular placement cavity; connecting columns are provided between the frame side plates of the two groups to connect with each other; the front end plate of the frame is provided with extensions on both sides, and several Connecting holes, the upper connecting seat is provided with a first connecting shaft, the first connecting shaft is installed on the mounting frame, the upper connecting seat is provided with two groups and distributed on both sides of the mounting frame, the lower connecting seat A second connection shaft is provided, and the second connection shaft is installed on the installation frame, and two sets of the lower end connection seats are arranged and distributed on both sides of the installation frame.