New energy automobile battery pack sub-packaging AGV trolley

Abstract

The utility model discloses a new energy automobile battery pack split charging AGV trolley which comprises an AGV trolley body, driving wheels are arranged at the bottom of the AGV trolley body, and a driving system is installed in the AGV trolley body. A bearing platen is installed on the top face of the AGV trolley body, and a lifting system is installed in the AGV trolley body and comprises a lifting telescopic cylinder and a positioning mechanism. The positioning mechanism comprises upper sleeves fixed to the four corners of the bottom face of the bearing platen and lower sleeves fixed to a bottom plate of the AGV trolley body, coaxial telescopic cavities are formed in the upper sleeves and the lower sleeves, positioning shaft rods are installed in the middles of the upper sleeves and the lower sleeves, and the upper ends and the lower ends of the positioning shaft rods are located in the upper telescopic cavities and the lower telescopic cavities correspondingly. When the bearing platen ascends and descends, the positioning shaft rod enables the upper sleeve to ascend and descend coaxially with the lower sleeve all the time, the positioning shaft rod can be hidden in the telescopic cavity when the upper sleeve descends, the positioning lifting height is increased when the upper sleeve ascends, and therefore arrangement in the small longitudinal space of the AGV trolley body can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to new energy automobile battery technology field, concretely relates to a new energy automobile battery package subpackaging AGV platform truck. BACKGROUND

[0002] The domestic automobile production line mostly adopts the multi-model mixed production mode, and the traditional fuel vehicle production mostly adopts the front and rear axle combined double-lifting AGV. In order to meet the needs of the development of new energy automobile production, the new energy automobile battery package AGV platform truck is researched and developed. The core technology of the pure electric vehicle is the battery package, and its production and assembly process directly affects the performance of the new energy automobile. Starting from the assembly process of the automobile assembly production line, the new battery package assembly process is used in the automobile assembly process, the battery package AGV platform truck is researched and developed, the automobile assembly efficiency is improved, the assembly quality is improved, and the design requirements are met.

[0003] The AGV platform truck is usually composed of six parts, a communication system, a control system, a safety system, a power system, a driving system and a guiding system. The AGV platform truck communicates with the upper system, so as to control the start and stop of the AGV and the walking route; in terms of the AGV control system, PLC control or single-chip microcomputer control can be selected; the safety system is a four-around protective sensing device; the power system is a built-in battery device, and a large-capacity battery pack is used to support the long endurance and high efficiency of the AGV platform truck in the industrial environment; the driving system is a built-in direct current servo motor of the AGV platform truck, which supports reasonable control of the forward speed of the whole AGV platform truck; the guiding system includes an electromagnetic guiding mode, which buries metal wires on the path of the AGV, uses an electromagnetic induction coil to sense the strength of the magnetic field, and identifies and tracks.

[0004] When the battery package AGV platform truck installs the battery package, the bearing platform plate needs to have high stability. Since the longitudinal space of the battery package AGV platform truck is limited, how to realize accurate longitudinal guidance in a small space is the key to accurately sending the battery package to the position and realizing efficient and accurate subpackaging with the vehicle body. Utility model content

[0005] The utility model provides a new energy automobile battery package subpackaging AGV platform truck, during the bearing platform plate lifting, the positioning axle rod makes the upper sleeve always keep coaxial lifting with the lower sleeve, and the positioning axle rod can hide in the telescopic cavity when the upper sleeve descends, and increases the positioning lifting height when the upper sleeve rises, thereby can realize the arrangement in the small AGV platform truck body longitudinal space, to solve the problem raised in the above background technique.

[0006] To achieve the above object, the utility model provides the following technical scheme: A new energy automobile battery package subpackaging AGV platform truck, including AGV platform truck body, the AGV platform truck body bottom is equipped with drive wheel, and is equipped with drive system in the inside drive drive wheel rotation, the AGV platform truck body top surface is equipped with bearing platform, and is equipped with lifting system in the inside drive bearing platform lifting, the lifting system includes lifting telescopic cylinder and the positioning mechanism of guiding bearing platform.

[0007] Preferably, the positioning mechanism includes upper sleeve fixed on the bottom surface of the bearing platform four corners and lower sleeve fixed on the bottom plate of the AGV platform truck body, the upper sleeve and the lower sleeve are provided with telescopic cavity with the same axis line, the upper sleeve and the lower sleeve are provided with positioning shaft in the middle, and the upper and lower ends of the positioning shaft are located in the upper and lower telescopic cavities respectively.

[0008] Preferably, the outer wall of the upper and lower ends of the positioning shaft is provided with a plurality of equally divided steel ball grooves, and the steel balls are partially exposed in the steel ball grooves, and the inner wall of the telescopic cavity is provided with a guide steel ball groove corresponding to the exposed part of the steel ball.

[0009] Preferably, the telescopic cavity is provided with a first compression spring located at the upper and lower ends of the positioning shaft.

[0010] Preferably, the elasticity of the lower first compression spring is greater than that of the upper first compression spring.

[0011] Preferably, the outer sleeve of the upper sleeve and the lower sleeve is further provided with an outer sleeve, the upper sleeve and the lower sleeve are provided with a second compression spring located at the two ends of the outer sleeve, and the outer sleeve is always sleeved on the outer sleeve of the upper sleeve and the lower sleeve when the upper sleeve is lifted.

[0012] Preferably, the elasticity of the lower second compression spring is greater than that of the upper second compression spring.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. During the lifting of the bearing platform, the positioning shaft keeps the upper sleeve and the lower sleeve coaxial lifting, and the positioning shaft can be hidden in the telescopic cavity when the upper sleeve is lowered, and the lifting height is increased when the upper sleeve is lifted, so that the arrangement in the smaller longitudinal space of the AGV platform truck body can be realized.

[0015] 2. The positioning shaft rolls along the guide steel ball groove through the steel ball, which provides accurate guidance while reducing the friction of the relative motion of the positioning shaft, the upper sleeve and the lower sleeve.

[0016] 3. The upper sleeve and the lower sleeve are further sleeved with an outer sleeve, so that the positioning is further strengthened, and the strength of the middle connecting position of the upper sleeve and the lower sleeve is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a perspective structural schematic view of the utility model;

[0018] Figure 2 is a top view structural schematic view of the utility model;

[0019] Figure 3 is a front view structural schematic view of the utility model;

[0020] Figure 4 is a lifting system structural schematic view of the utility model;

[0021] Figure 5 is a positioning mechanism sectional view structural schematic view of the utility model;

[0022] Figure 6 is a lower view structural schematic view of the upper sleeve of the utility model.

[0023] In the figure: 1, AGV trolley body; 2, driving wheel; 3, bearing table plate; 4, lifting telescopic cylinder; 5, upper sleeve; 6, lower sleeve; 7, telescopic cavity; 8, positioning shaft; 9, steel ball; 10, guide steel ball groove; 11, first extrusion spring; 12, outer sleeve; 13, second extrusion spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-6The utility model provides a new energy automobile battery package partial packing AGV platform truck, including AGV platform truck body 1, the AGV platform truck body 1 bottom is equipped with drive wheel 2, and is equipped with drive system in the inside drive drive wheel 2 rotation, the AGV platform truck body 1 top surface is equipped with bearing platform plate 3, and is equipped with the lifting system with drive bearing platform plate 3 lifting in the inside, the lifting system includes lifting telescopic cylinder 4 and the positioning mechanism of guiding bearing platform plate 3, when using, after manual setting parameter, press the start button, and AGV platform truck body 1 starts operation, after AGV platform truck body 1 loads battery package assembly in battery package partial packing line, runs to the specified position through drive wheel 2, when AGV platform truck body 1 reaches the position, AGV platform truck body 1 reaches another specified position through control system and drive system with the lifting appliance of automobile body with certain speed pursuit, then waits the next automobile body and lifting appliance reach synchronous position, AGV platform truck body 1 loads battery package and lifting appliance synchronous speed starts to move to the direction of production line, keeps AGV platform truck body 1 with the same speed of automobile body movement, when AGV platform truck body 1 positions relative to automobile body, operator presses lifting button, and lifting telescopic cylinder 4 drives bearing platform plate 3 and battery package to lift to the chassis position of automobile body, after battery package and automobile body complete tightening, operator presses another button and bearing platform plate 3 falls to the original position of AGV platform truck body 1, and AGV platform truck continues to run forward, reaches certain position and turns to carry out next loading and assembling cycle.

[0026] Specifically, the positioning mechanism includes upper sleeves 5 fixed on the bottom surface of the bearing platform plate 3 at four corners and lower sleeves 6 fixed on the bottom plate of the AGV platform truck body 1, the upper sleeves 5 and the lower sleeves 6 are provided with telescopic cavities 7 with the same center line, the upper sleeves 5 and the lower sleeves 6 are provided with positioning shafts 8 in the middle, and the upper and lower ends of the positioning shafts 8 are located in the upper and lower telescopic cavities 7 respectively; in this embodiment, the positioning shaft 8 keeps the upper sleeve 5 always coaxial with the lower sleeve 6 during the lifting of the bearing platform plate 3, and the positioning shaft 8 can hide in the telescopic cavity 7 when the upper sleeve 5 descends, and increase the lifting height when the upper sleeve 5 ascends, so that the arrangement in the smaller longitudinal space of the AGV platform truck body 1 can be realized.

[0027] Specifically, a plurality of equally divided steel ball grooves are arranged on the outer wall of the upper and lower ends of the positioning shaft 8, and steel balls 9 are partially exposed in the steel ball grooves, and the inner wall of the telescopic cavity 7 is provided with a guide steel ball groove 10 corresponding to the exposed part of the steel ball 9; in this embodiment, the positioning shaft 8 rolls along the guide steel ball groove 10 through the steel ball 9, which provides accurate guidance and reduces the friction of the relative motion of the positioning shaft 8, the upper sleeve 5 and the lower sleeve 6.

[0028] Specifically, the telescopic cavity 7 is provided with the first compression spring 11 at the upper and lower ends of the positioning shaft 8; in the embodiment, the first compression spring 11 in the upper and lower telescopic cavities 7 can always elastically position the positioning shaft 8 close to the middle position when the upper sleeve 5 is lifted, so as to avoid the positioning shaft 8 from being separated from the upper sleeve 5 and the lower sleeve 6.

[0029] Specifically, the elastic force of the lower first compression spring 11 is greater than that of the upper first compression spring 11; in the embodiment, the elastic force of the lower first compression spring 11 is greater than that of the upper first compression spring 11, so as to offset the weight of the positioning shaft 8 and facilitate the positioning shaft 8 to always keep balanced in the lifting process.

[0030] Specifically, the upper sleeve 5 and the lower sleeve 6 are further provided with the outer sleeve 12, the upper sleeve 5 and the lower sleeve 6 are provided with the second compression spring 13 at the two ends of the outer sleeve 12, and the outer sleeve 12 is always sleeved on the outer sleeve 5 and the lower sleeve 6 when the upper sleeve 5 is lifted; in the embodiment, the outer sleeve 12 is further sleeved on the outer sleeve 5 and the lower sleeve 6, and the outer sleeve 12 is always elastically positioned close to the middle position by the upper and lower second compression springs 13, so as to avoid the outer sleeve 12 from being separated from the upper sleeve 5 and the lower sleeve 6, and further improve the positioning and the strength of the middle connection position of the upper sleeve 5 and the lower sleeve 6.

[0031] Specifically, the elastic force of the lower second compression spring 13 is greater than that of the upper second compression spring 13; in the embodiment, the elastic force of the lower second compression spring 13 is greater than that of the upper second compression spring 13, so as to offset the weight of the outer sleeve 12 and facilitate the outer sleeve 12 to always keep elastically positioned close to the middle position.

[0032] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail.

[0033] Working principle: when in use, after setting parameters manually, press the start button, the AGV trolley body 1 starts to run; after the AGV trolley body 1 loads the battery pack assembly on the battery pack sub-packaging line, it runs to the designated position through the driving wheel 2; when the AGV trolley body 1 reaches the position, the AGV trolley body 1 chases the automobile body and the lifting tool at a certain speed through the control system and the driving system, reaches another designated position, and then waits for the next automobile body and the lifting tool to reach the synchronous position; the AGV trolley body 1 loads the battery pack and the lifting tool at the synchronous speed and starts to move to the production line direction, keeps the AGV trolley body 1 moving at the same speed as the automobile body; when the AGV trolley body 1 is positioned relative to the automobile body, the operator presses the lifting button, the lifting telescopic cylinder 4 drives the bearing platform 3 and the battery pack to be lifted to the position of the automobile body chassis; after the battery pack and the automobile body are tightened, the operator presses another button to lower the bearing platform 3 to the original position of the AGV trolley body 1, and the AGV trolley continues to run forward and turns at a certain position to perform the next loading and assembling cycle.

[0034] During the lifting of the bearing platform 3, the positioning shaft 8 keeps the upper sleeve 5 always coaxial with the lower sleeve 6 during lifting, and the positioning shaft 8 can hide in the telescopic cavity 7 when the upper sleeve 5 is lowered, and increase the positioning lifting height when the upper sleeve 5 is lifted, so that the arrangement in the smaller longitudinal space of the AGV trolley body 1 can be realized; the first extrusion spring 11 in the upper and lower telescopic cavities 7 can always elastically position the positioning shaft 8 close to the middle position during the lifting of the upper sleeve 5, so as to avoid the positioning shaft 8 from being separated from the upper sleeve 5 and the lower sleeve 6; at the same time, the positioning shaft 8 rolls along the guide steel ball groove 10 through the steel ball 9, which provides accurate guidance while reducing the friction of the relative motion of the positioning shaft 8 and the upper sleeve 5 and the lower sleeve 6; at the same time, the upper sleeve 5 and the lower sleeve 6 are further sleeved with the outer sleeve 12, and the outer sleeve 12 is always elastically positioned close to the middle position through the upper and lower second extrusion springs 13, so as to avoid the outer sleeve 12 from being separated from the upper sleeve 5 and the lower sleeve 6, which can further strengthen the positioning while improving the strength of the middle connection position of the upper sleeve 5 and the lower sleeve 6.

[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle battery pack disassembly AGV trolley, comprising an AGV trolley body (1), characterized in that, The AGV trolley body (1) is provided with a drive wheel (2) at the bottom and is equipped with a drive system inside to drive the drive wheel (2) to rotate; the AGV trolley body (1) is equipped with a support plate (3) on the top surface and is equipped with a lifting system inside to drive the support plate (3) to rise and fall. The lifting system includes a lifting telescopic cylinder (4) and a positioning mechanism to guide the support plate (3).

2. The new energy vehicle battery pack disassembly AGV trolley according to claim 1, characterized in that, The positioning mechanism includes an upper sleeve (5) fixed at the four corners of the bottom surface of the bearing platform (3) and a lower sleeve (6) fixed on the bottom plate of the AGV trolley body (1). The upper sleeve (5) and the lower sleeve (6) are provided with telescopic cavities (7) with coaxial center lines. The upper sleeve (5) and the lower sleeve (6) are equipped with positioning shafts (8) in the middle. The upper and lower ends of the positioning shafts (8) are respectively located in the upper and lower telescopic cavities (7).

3. The new energy vehicle battery pack disassembly AGV trolley according to claim 2, characterized in that, The positioning shaft (8) has multiple equally spaced steel ball grooves on the outer walls of both ends, and partially exposed steel balls (9) are installed in the steel ball grooves. The inner wall of the telescopic cavity (7) is provided with guide steel ball grooves (10) corresponding to the exposed parts of the steel balls (9).

4. The new energy vehicle battery pack disassembly AGV trolley according to claim 3, characterized in that, The telescopic cavity (7) contains a first compression spring (11) located at the upper and lower ends of the positioning shaft (8).

5. The new energy vehicle battery pack disassembly AGV trolley according to claim 4, characterized in that, The elastic force of the lower first compression spring (11) is greater than that of the upper first compression spring (11).

6. The new energy vehicle battery pack disassembly AGV trolley according to claim 5, characterized in that, The upper sleeve (5) and the lower sleeve (6) are also covered by an outer sleeve (12). The upper sleeve (5) and the lower sleeve (6) are covered by second compression springs (13) located at both ends of the outer sleeve (12). The outer sleeve (12) is always covered outside the upper sleeve (5) and the lower sleeve (6) when the upper sleeve (5) is raised and lowered.

7. The new energy vehicle battery pack disassembly AGV trolley according to claim 6, characterized in that, The elastic force of the lower second compression spring (13) is greater than that of the upper second compression spring (13).

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