CN215853824U - Battery pack transportation device - Google Patents

Abstract

The utility model provides a battery pack transportation device, which comprises: a first support frame; the X-axis moving mechanism drives the first support frame to move along the X-axis direction; the battery pack clamping jaw comprises a supporting device, two clamping jaws, a first driving device and two straightening mechanisms; the supporting device is movably connected to the first supporting frame along the Z-axis direction; the first driving device drives the two clamping jaws to synchronously open or clamp; the Z-axis moving mechanism drives the battery pack clamping jaw to move along the Z-axis direction; the battery pack push-pull mechanism comprises a main body frame, a second driving device, a claw mechanism and a transmission mechanism; the hook claw mechanism comprises a second support frame, a battery pack positioning module and a battery pack protection module. The battery pack is placed and clamped through the battery pack clamping jaw; adjusting the X-axis coordinate of the battery pack by an X-axis moving mechanism; adjusting the Z-axis coordinate of the battery pack by a Z-axis moving mechanism; the battery pack is hooked by the battery pack pushing and pulling mechanism and pushed or pulled to move along the Y axis.

Description

Battery pack transportation device

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of battery replacement of new energy automobiles, in particular to a transportation device for a battery pack.

[ background of the utility model ]

In the new energy automobile field, there are two main ways to charge the battery package: one method is that a charging pile is connected through a charging wire commonly in the market to directly charge a new energy automobile battery pack, but the new energy automobile needs to wait for a long time in the mode; therefore, a second battery replacement technology is available, namely, the battery pack is directly replaced, the battery pack which is about to run out is detached and placed in a charging warehouse for charging, and the new energy automobile is replaced by the fully charged battery pack, so that the waiting time of the new energy automobile is short.

For the second battery replacement technology, the detached battery pack needs to be placed in a charging warehouse for charging, and a transportation device needs to be designed for transporting the battery pack.

[ Utility model ] content

The utility model aims to provide a battery pack transportation device, which is used for transporting battery packs.

The utility model is realized by the following steps: a battery pack transport device comprising:

a first support frame;

the X-axis moving mechanism drives the first support frame to move along the X-axis direction;

the battery pack clamping jaw comprises a supporting device, two clamping jaws, a first driving device and two straightening mechanisms; the supporting device is movably connected to the first supporting frame along the Z-axis direction; the two clamping jaws are movably connected to the supporting device along the X direction and are symmetrically arranged; the first driving device is fixedly connected to the supporting device and drives the two clamping jaws to synchronously open or clamp; the straightening mechanisms are connected to the clamping jaws in a one-to-one correspondence manner and are symmetrically arranged;

the Z-axis moving mechanism drives the battery pack clamping jaw to move along the Z-axis direction;

the battery pack push-pull mechanism comprises a main body frame, a second driving device, a claw mechanism and a transmission mechanism; the main body frame is fixedly connected to the supporting device; the second driving device is fixedly connected to the main body frame; the hook claw mechanism comprises a second support frame, a battery pack positioning module and a battery pack protection module; the second support frame is movably connected to the main body frame along the Y-axis direction; the battery pack positioning module is connected to the second support frame; the battery pack protection module is connected to the second support frame; the transmission mechanism is respectively connected with the output ends of the claw mechanism and the second driving device.

Further, the supporting device includes:

a third support frame;

the two first guide rails are fixedly connected to the third support frame and are arranged along the X-axis direction;

four first sliding blocks;

wherein:

each clamping jaw is fixedly connected with the two first sliding blocks, and the two first sliding blocks are in one-to-one corresponding sliding connection with the two first guide rails;

the four first sliding blocks are arranged in a rectangular shape.

Further, each of the jaws comprises:

the clamping jaw seat is connected with the output end of the first driving device;

the conveying rollers are connected to the inner sides of the clamping jaw seats, are arranged in a row along the Y-axis direction, and have rotating axes arranged along the X-axis direction;

the guide wheel sets are connected to the clamping jaw seats, arranged in a row along the Y-axis direction, positioned on the outer side of the conveying roller, higher than the conveying roller, and arranged along the Z-axis along the rotation axis;

the first detection device is fixedly connected to the clamping jaw seat;

the first detection device is used for detecting whether the battery pack is ultrahigh or tilted.

Further, the battery pack clamping jaw further comprises:

the battery pack information identification or reading device is fixedly connected with the supporting device, the clamping jaw or the straightening mechanism;

the limiting protection pieces are at least two, are fixedly connected to the clamping jaws in a one-to-one correspondence manner, and are symmetrically arranged;

and the blocking piece is fixedly connected with the supporting device and is used for abutting against each limit protection piece.

Further, the straightening mechanism includes:

the bottom plate is fixedly connected to the clamping jaw;

the second guide rail is fixedly connected to the bottom plate along the X-axis direction;

the second sliding block is connected with the second guide rail in a sliding manner;

the sliding block connecting plate is fixedly connected to the second sliding block;

the push block is fixedly connected to the slide block connecting plate;

and the third driving device is fixedly connected to the clamping jaw, and the output end of the third driving device is connected to the sliding block connecting plate.

Further, the battery pack push-pull mechanism further comprises:

the third guide rail is fixedly connected to the main body frame along the Y-axis direction;

the third sliding block is connected to the third guide rail in a sliding manner and is fixedly connected to the second supporting frame;

two limiting pieces are fixedly connected to the main body frame and positioned at two ends of the motion direction of the claw mechanism;

wherein:

the transmission mechanism includes:

two synchronous belt wheels are provided, wherein one synchronous belt wheel is fixedly connected with the output end of the second driving device; the other synchronous pulley is rotationally connected with the main body frame;

the synchronous belt is sleeved on the two synchronous belt wheels;

and the synchronous belt clamping plate is fixedly connected with the claw mechanism and clamps the synchronous belt.

Further, the battery pack protection module includes:

the overload protection assembly is movably connected to the second support frame and connected to the transmission mechanism;

the overvoltage protection component is fixedly connected to the battery pack positioning module;

the battery pack positioning module is movably connected to the second support frame along the Z-axis direction.

Further, the overload protection assembly includes:

the fixed block is provided with a groove and is fixedly connected with the second support frame;

the optical axis is fixedly connected to the fixed block and penetrates through the groove;

the connecting piece is sleeved on the optical axis in a sliding manner, is positioned in the groove and is fixedly connected to the transmission mechanism;

the first spring is sleeved on the optical axis, one end of the first spring is propped against the inner side wall of the groove, the other end of the first spring is propped against the connecting piece, and the first spring is sleeved at two ends of the connecting piece, which are positioned on the same optical axis, respectively;

two first induction sheets are respectively and fixedly connected to the connecting piece;

and the two second detection devices are respectively fixedly connected to the second support frame and used for detecting the first induction sheet.

Further, the battery pack positioning module comprises two positioning pins;

each positioning pin comprises a conical positioning part at the top end, a limiting part in the middle and a smooth shaft part at the bottom;

the outer diameter of the limiting part is larger than that of the optical shaft part.

Further, the overvoltage protection component comprises:

an adapter;

two second springs;

the connecting plate is provided with two vertical step through holes; each vertical step perforation comprises an upper large hole part and a lower small hole part; the diameter of the large hole part is larger than the outer diameter of the second spring; the outer diameter of the light shaft part is less than the diameter of the small hole part and is greater than the outer diameter of the second spring; the connecting plate is fixedly connected to the second support frame;

the second induction sheet is fixedly connected to the adapter piece;

the third detection device is fixedly connected to the second support frame and used for detecting the second induction sheet;

wherein:

the optical shaft parts correspondingly penetrate through the vertical step through holes one by one and then are fixedly connected to the adapter piece;

the limiting part is positioned in the large hole part;

the conical positioning part protrudes out of the top end of the connecting plate;

the second springs are sleeved on the light shaft part in a one-to-one correspondence mode and respectively abut against the bottom end of the limiting part and the bottom surface of the large hole part.

The utility model has the advantages that: a battery pack transport device comprising: a first support frame; the X-axis moving mechanism drives the first support frame to move along the X-axis direction; the battery pack clamping jaw comprises a supporting device, two clamping jaws, a first driving device and two straightening mechanisms; the supporting device is movably connected to the first supporting frame along the Z-axis direction; the first driving device drives the two clamping jaws to synchronously open or clamp; the Z-axis moving mechanism drives the battery pack clamping jaw to move along the Z-axis direction; the battery pack push-pull mechanism comprises a main body frame, a second driving device, a claw mechanism and a transmission mechanism; the hook claw mechanism comprises a second support frame, a battery pack positioning module and a battery pack protection module. The battery pack is placed and clamped through the battery pack clamping jaw; adjusting the X-axis coordinate of the battery pack by an X-axis moving mechanism; adjusting the Z-axis coordinate of the battery pack by a Z-axis moving mechanism; the battery pack is hooked by the battery pack pushing and pulling mechanism and pushed or pulled to move along the Y axis.

[ description of the drawings ]

The utility model will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 is a first perspective view of a transportation device according to the present invention.

Fig. 2 is a second perspective view of the transportation device of the present invention.

Fig. 3 is a side view of a transport device according to the utility model.

Fig. 4 is a top view of a transport device according to the present invention.

Fig. 5 is an assembly schematic diagram of the battery pack clamping jaw, the battery pack push-pull mechanism and the battery pack.

Fig. 6 is a perspective view of a battery pack gripping jaw of the present invention.

Figure 7 is a schematic view of the assembly of a jaw and battery pack of the present invention.

Fig. 8 is a first perspective view of the straightening mechanism according to the present invention.

Fig. 9 is a second perspective view of the straightening mechanism according to the present invention.

Fig. 10 is a first perspective view of the battery pack pulling and pushing mechanism of the present invention hooking the battery pack.

Fig. 11 is a second perspective view of the battery pack pulling and pushing mechanism of the present invention hooking the battery pack.

Fig. 12 is a perspective view of a finger mechanism according to the present invention.

Fig. 13 is a bottom view of the finger mechanism of the present invention.

Fig. 14 is a schematic structural view of an overvoltage protection assembly according to the present invention.

Description of reference numerals:

a first support frame 1;

the X-axis moving mechanism 2, a ground rail 21, a first gear rack transmission assembly 22, a first speed reducer 23, a second speed reducer 24, a third speed reducer 25, a first servo motor 26, a connecting rod 27, a fourth guide rail 28 and a fourth sliding block 29;

a battery pack clamping jaw 3, a supporting device 31, a third supporting frame 311, a first guide rail 312, a first slide block 313, a clamping jaw 32, a clamping jaw seat 321, a conveying roller 322, a guide wheel group 323, a first detection device 324, a first driving device 33, a centering mechanism 34, a bottom plate 341, a second guide rail 342, a second slide block 343, a slide block connecting plate 344, a push block 345, a third driving device 346, a battery pack information identification or reading device 35, a limit protection piece 36 and a blocking piece 37,

the Z-axis moving mechanism 4, a second servo motor 41, a fourth speed reducer 42, a fifth guide rail 43, a fifth slide block 44 and a second gear rack transmission component 45;

the battery pack pushing and pulling mechanism 5 comprises a main body frame 51, a second driving device 52, a claw mechanism 53, a second supporting frame 531, a fixed block 532, a groove 5321, an optical axis 533, a connecting piece 534, a first spring 535, a first sensing piece 536, a second detection device 537, a positioning pin 538, a conical positioning part 5381, a limiting part 5382, an optical axis part 5383, an adapter 539, a second spring 5310, a connecting plate 5320, a vertical step perforation 53201, a second sensing piece 5330 and a third detection device 5340; a transmission mechanism 54, a synchronous belt wheel 541, a synchronous belt 542, a synchronous belt clamping plate 543, a third guide rail 55, a third slide block 56, a limiting piece 57,

and a battery pack 6.

[ detailed description ] embodiments

In the description of the present invention, it is to be understood that the description indicating the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1 to 14. With optical axis 533 and alignment pin 538 in fig. 12 and 13 in an exploded state.

The utility model relates to a battery pack transportation device, which comprises:

a first support frame 1;

the X-axis moving mechanism 2 drives the first support frame 1 to move along the X-axis direction;

the battery pack clamping jaw 3 comprises a supporting device 31, two clamping jaws 32, a first driving device 33 and two straightening mechanisms 34; the supporting device 31 is movably connected to the first supporting frame 1 along the Z-axis direction; the two clamping jaws 32 are movably connected to the supporting device 31 along the X direction and are symmetrically arranged; the first driving device 33 is fixedly connected to the supporting device 31, and drives the two clamping jaws 32 to synchronously open or clamp, so as to clamp the battery pack 6; the aligning mechanisms 34 are connected to the clamping jaws 32 in a one-to-one correspondence and are symmetrically arranged; the two clamping jaws 32 are driven by the first driving device 33 to be opened synchronously to loosen the battery pack 6 or clamp the battery pack 6 synchronously to grab the battery pack 6, and then the battery pack 6 is aligned by the aligning mechanism 34 to avoid deflection, so that the battery pack 6 is conveniently and secondarily transported and put in storage in a follow-up mode.

The Z-axis moving mechanism 4 drives the battery pack clamping jaw 3 to move along the Z-axis direction;

the battery pack push-pull mechanism 5 comprises a main body frame 51, a second driving device 52, a claw mechanism 53 and a transmission mechanism 54; the main body frame 51 is fixedly connected to the supporting device 31; the second driving device 52 is fixedly connected to the main body frame 51; the claw mechanism 53 comprises a second support frame 531, a battery pack positioning module and a battery pack protecting module; the second support frame 531 is movably connected to the main body frame 51 along the Y-axis direction; the battery pack positioning module is connected to the second support frame 531; the battery pack protection module is connected to the second support frame 531; the transmission mechanisms 54 are respectively connected with the output ends of the claw mechanisms 53 and the second driving device 52.

In a specific implementation, the second driving device 52 may employ an actuator, for example, a motor.

The driving device 52 drives the transmission mechanism 54 to further drive the claw mechanism 53 to move according to a preset track, the battery pack positioning module is matched with the battery pack in a positioning mode to hook the battery pack, the battery pack is transported to a charging warehouse, mechanical operation is achieved, the battery pack is protected through the battery pack protection module, and damage to the battery pack in the transportation process is avoided.

In specific implementation, the X-axis moving mechanism 2 and the Z-axis moving mechanism 4 can both adopt existing linear sliding tables which are standard components and can be purchased directly.

Of course, the embodiment shown in the drawings can also be adopted, and the X-axis moving mechanism 2 includes a ground rail 21, a first gear-rack transmission assembly 22, a first speed reducer 23, a second speed reducer 24, a third speed reducer 25, a first servo motor 26, a connecting rod 27, a fourth guide rail 28 and a fourth sliding block 29. The first servo motor 26 is connected with the first speed reducer 23, and the first speed reducer 23, the second speed reducer 24 and the third speed reducer 25 are connected through the connecting rod 27, so that unilateral stress can be avoided. The two sides of the ground rail 21 are respectively provided with a first gear rack transmission component 22, wherein the gear rack is fixed on the side surface of the ground rail along the X-axis direction, and the gear is connected with the output ends of a second speed reducer 24 and a third speed reducer 25. The fourth guide rail 28 is fixed to the ground rail 21 along the X-axis direction, and the fourth slider 29 is slidably connected to the fourth guide rail and fixedly connected to the first support frame 1. Therefore, the first servo motor 26 drives the first speed reducer 23 to drive the second speed reducer 24 and the third speed reducer 25 to move, and further drives the first rack-and-pinion transmission assembly 22 to operate, so that the first support frame 1 can move along the X axis.

In the embodiment shown in the drawings, the Z-axis moving mechanism 4 includes a second servo motor 41, a fourth reducer 42, a second rack and pinion assembly 45, a fifth guide rail 43, and a fifth slider 44. The second servo motor 41 is connected with the fourth speed reducer 42, the fourth speed reducer 42 is connected with a gear of the second gear rack transmission assembly 45, and a rack of the fourth speed reducer is fixed on the first support frame 1 along the Z axis; the fifth slider 44 is fixed to the third supporting frame 311 and is slidably connected to the fifth guide rail 43, and the fifth guide rail 43 is fixed to the first supporting frame 1 along the Z-axis. Therefore, the second servo motor 41 drives the fourth speed reducer 42 to drive the second gear rack transmission assembly 45 to operate, so that the third support frame 311 moves along the Z-axis direction, and finally the battery pack clamping jaw 3 and the battery pack pushing and pulling mechanism 5 are driven to move along the Z-axis direction.

In specific implementation, two ends of each guide rail can be respectively provided with a guide rail clamp or a limiting block or other limiting devices, so that corresponding equipment is prevented from falling off from the guide rails.

The support device 31 includes:

a third support frame 311;

two first guide rails 312 fixedly connected to the third support frame 311 and arranged along the X-axis direction;

four first sliders 313;

wherein:

each clamping jaw 32 is fixedly connected with two first sliding blocks 313, and the two first sliding blocks 323 are in one-to-one corresponding sliding connection with the two first guide rails 312;

the four first sliding blocks 313 are arranged in a rectangular shape.

Each of the jaws 32 comprises:

a jaw seat 321 connected to an output end of the first driving device 33;

a plurality of conveying rollers 322 connected to the inner side of the jaw seat 321, arranged in a row along the Y-axis direction, and having rotation axes arranged along the X-axis direction; the conveying roller 322 pockets the bottom of the battery pack 6 at the bottom of the battery pack 6. In a specific embodiment, the outer surface of each of the conveying rollers 322 has a layer of encapsulation, which can protect the bottom of the battery pack 6. Similarly, the outer surface of the guide wheel group 323 is also provided with a layer of rubber coating, which protects the side surface of the battery pack 6.

A guide wheel group 323 connected to the jaw base 321, arranged in a row along the Y-axis direction, located outside the conveying roller 322, higher than the conveying roller 322, and having a rotation axis arranged along the Z-axis; the guide wheel group 323 guides and protects the battery pack 6 at the side of the battery pack 6.

A first detecting device 324 fixedly connected to the jaw seat 321; the first detection device 24 functions to: the detection device is used for detecting whether the battery pack is tilted or ultrahigh.

The first detecting device 324 is a correlation sensor, and has two sensors, and is disposed along two crossing diagonals. As shown in fig. 6, each of the correlation sensors includes a transmitter and a receiver, and is arranged along a diagonal line, and the transmitters and the receivers of the two correlation sensors form a rectangle; only if both of the two correlation sensors are not blocked, the signal sent by the transmitter can be ensured to be received by the receiver, which represents that the battery pack is not over-height or tilted, otherwise, the receiver cannot receive the signal, and the signal of the correlation sensor is interrupted.

The first detecting device 324 is used for detecting whether the battery pack is ultrahigh or tilted.

When a battery pack is clamped, the clamping jaw 32 wraps the bottom of the battery pack, so that the bottom surface of the battery pack 6 is in full contact with the upper surface of the conveying roller 322, the battery pack 6 is conveyed stably, the auxiliary conveying effect is achieved when the battery pack 6 is put in storage, meanwhile, the friction force in the storage process of the battery pack 6 can be greatly reduced by selecting the conveying roller 322, and the roller rubber coating material can also protect the bottom of the battery pack; on the other hand, the guide wheel group 323 can ensure that the battery pack 6 does not collide with other parts in the conveying process, thereby protecting the battery pack and simultaneously guiding the battery pack.

In a specific implementation, there are two first driving devices 33, and the output ends are connected to the clamping jaws 32 in a one-to-one correspondence. The first driving device 33 may employ an actuator, such as a cylinder.

The battery pack clamping jaw 3 further comprises:

a battery pack information recognition or reading device 35 fixedly connected to the supporting device 31, the clamping jaw 32 or the aligning mechanism 34; the battery pack information recognition or reading device 35 is used for recognizing and reading the battery pack information, so that the automatic management is facilitated, and the tracking of the battery pack is realized. The battery pack information recognition or reading device 35 can select the corresponding device according to the information setting mode on the battery pack, such as RFID, barcode, visual device, etc. For example, the battery pack information recognition or reading device 35 is fixed to the jaw seat 321 by a fixing piece.

At least two limiting protection pieces 36 are fixedly connected to the clamping jaws 32 in a one-to-one correspondence manner and are symmetrically arranged;

and the stop piece 37 is fixedly connected to the supporting device 31 and is used for abutting against each limit protection piece 36.

Under the normal working condition, the clamping action of the two clamping jaws 32 can be controlled by the first driving device 33, and when the first driving device 33 fails to control the two clamping jaws 32, the limit protection piece 36 abuts against the blocking piece 37 to play a hard limiting role, so that the battery pack 6 is prevented from being clamped and damaged or even clamped and exploded by the two clamping jaws 32 which clamp the battery pack 6 too tightly. Therefore, the limit protection member 36 can limit the minimum distance between the two clamping jaws 32, protect the battery pack 6 and eliminate potential safety hazards.

The squaring mechanism 34 includes:

a base plate 341 fixedly connected to the jaw 32;

a second guide rail 342 fixedly connected to the base plate 341 in the X-axis direction;

a second slider 343 slidably connected to the second rail 342;

a slider connecting plate 344 fixedly connected to the second slider 343;

a push block 345 fixedly connected to the slider connecting plate 344;

and a third driving device 346 fixedly connected to the clamping jaw 32, and having an output end connected to the slider connecting plate 344.

The third driving device 346 drives the slider connecting plate 344 to move, the pushing block 345 is fixedly connected with the slider connecting plate 344, and the pushing block 345 can straighten the battery pack under the driving of the third driving device 346. The slider connecting plate 344 slides along the second guide rail 342 to guide the sliding direction of the push block 345, thereby ensuring the movement accuracy.

The battery pack push-pull mechanism 5 further comprises:

a third guide rail 55 fixedly connected to the main body frame 51 in the Y-axis direction;

a third slider 56 slidably connected to the third rail 55 and fixedly connected to the second support frame 531; the second support frame 531 is slidably connected to the main body frame 1 via the third guide rail 55 and the third slider 56, so that the movement of the hook mechanism 53 in the Y-axis direction is realized.

Two limiting members 57 fixedly connected to the main frame 51 and located at two ends of the movement direction of the hook mechanism 53; the limiting members 57 limit the hook mechanisms 53 at two ends, so that the hook mechanisms 53 are prevented from falling off from the main body frame 51, and a safety protection effect is achieved.

Wherein:

the transmission mechanism 54 includes:

two synchronous pulleys 541, wherein one of the synchronous pulleys 541 is fixedly connected to the output end of the second driving device 52; the other synchronous pulley 541 is rotatably connected to the main body frame 51;

a synchronous belt 542 sleeved on the two synchronous pulleys 541;

and a timing belt clamping plate 543 fixedly connected to the hook mechanism 53 and clamping the timing belt 542.

In a specific embodiment, the second driving device 52 employs a motor, and an output shaft thereof is connected with the synchronous pulley 541 through a key; a bearing is embedded in the other synchronous belt wheel 541, an inner ring of the bearing is embedded in a rotating shaft, and the rotating shaft is fixed on the main body frame 51, so that the synchronous belt wheel 541 and the main body frame 51 are rotatably connected.

The second driving device 52 drives the synchronous pulley 541 connected to the output end thereof to rotate, and then drives another synchronous pulley 541 to rotate through the synchronous belt 542. The synchronous belt 542 moves to drive the synchronous belt clamping plate 543 to move, and further drive the hook mechanism 53 to move.

The battery pack protection module includes:

the overload protection component is movably connected to the second support frame 531 and connected to the transmission mechanism 54; the overload protection assembly can protect the hook mechanism 53, i.e. prevent overload, in case the second driving device 52 is overloaded.

The overvoltage protection component is fixedly connected to the battery pack positioning module; when the claw mechanism 53 grabs the battery pack 6, the overvoltage protection component plays an overvoltage protection role when the battery pack positioning module and the battery pack are positioned inaccurately, so that the battery pack is prevented from being damaged.

The battery pack positioning module is movably connected to the second support frame 531 along the Z-axis direction.

The overload protection assembly includes:

the fixed block 532 is provided with a groove 5321 and is fixedly connected with the second support frame 531;

an optical axis 533 fixedly connected to the fixing block 532 and passing through the groove 5321;

the connecting member 534 is slidably sleeved on the optical axis 533, is located in the groove 5321, and is fixedly connected to the transmission mechanism 54; in a specific embodiment, the connecting member 534 is L-shaped, and a vertical plate thereof is fixedly connected to the timing belt clamp 543, and a horizontal plate thereof is disposed in the groove 5321.

The first spring 535 is sleeved on the optical axis 533, one end of the first spring is abutted against the inner side wall of the groove 5321, the other end of the first spring is abutted against the connecting member 534, and the first spring 535 is sleeved on the two ends of the optical axis 533, which are positioned on the connecting member 534, respectively;

in a specific implementation, the second driving device 52 controls the start, stop and movement of the claw mechanism 53, when the second driving device 52 is abnormal and fails, a situation that the claw mechanism 53 cannot be controlled may occur, taking fig. 12 as an example, if the claw mechanism 53 moves to the left, the claw mechanism 53 drives the connecting piece 534 to move to the left at this time, so as to compress the first spring 535 on the left side, and the first spring 535 on the left side plays a role in buffering and blocking protection for the connecting piece 534, so as to realize a role in buffering and blocking protection for the claw mechanism 53, and avoid the equipment damage caused by hard collision; on the contrary, the right first spring 535 is compressed, and the hook mechanism 53 is protected by the right first spring 535 in a buffering and limiting manner.

Two first sensing pieces 536 fixedly connected to the connection member 534, respectively;

the second detecting devices 537, two are respectively and fixedly connected to the second supporting frame 531, and are configured to detect the first sensing plate 536, and correspond to the overload warning points preset on two sides of the connecting member 534.

In a specific embodiment, the second detecting device 537 may be a sensor, such as a grating sensor. As shown in fig. 13, two first sensing pieces 536 are respectively fixed to the bottom of the connecting member 534. The second support frame 531 is provided with an avoidance opening at the fixed block 532; the two second detecting devices 537 are fixed at the bottom of the device fixing block 532 and located in the avoiding opening.

In a specific implementation, the second driving device 52, the second detecting device 537, and the control device may be communicatively connected, such as a PLC. The positions of the first sensing piece 536 and the second sensing device 537 can be preset, and when the second sensing device 537 does not detect the first sensing piece 536, it indicates that the second driving device 52 is working normally; otherwise, it indicates that the second driving device 52 is abnormal and the claw mechanism 53 cannot be controlled, and at this time, the second detecting device 537 feeds back a signal to the control device, and the control device controls the second driving device 52 to stop working.

The battery pack positioning module includes two positioning pins 538;

each positioning pin 538 comprises a conical positioning part 5381 at the top end, a limiting part 5382 at the middle part and an optical axis part 5383 at the bottom part; the conical positioning portion 5381 has a conical shape, and can guide the positioning.

The outer diameter of the limiting portion 5382 is larger than the outer diameter of the optical axis portion 5383.

The overvoltage protection component comprises:

an adaptor 539;

two second springs 5310;

a connecting plate 5320 provided with two vertical step through holes 53201; each of the vertical stepped through holes 53201 includes an upper large hole portion and a lower small hole portion; the diameter of the large hole portion is larger than the outer diameter of the second spring 5310; the outer diameter of the light shaft portion 5383 < the diameter of the small hole portion is greater than < the outer diameter of the second spring 5310; the connecting plate 5320 is fixedly connected to the second support frame 531;

the second induction sheet 5330 is fixedly connected to the adaptor 5320;

a third detecting device 5340 fixedly connected to the second supporting frame 531 for detecting the second sensing piece 5330;

wherein:

the light shaft portions 5383 correspondingly penetrate through the vertical step through holes 53201 one by one and then are fixedly connected to the adapter 539;

the limiting part 5382 is positioned in the large hole part;

the conical positioning part 5381 protrudes out of the top end of the connecting plate 5320;

the second springs 5310 are sleeved on the optical axis portions 5383 in a one-to-one correspondence manner and respectively abut against the bottom end of the limiting portion 5382 and the bottom surface of the large hole portion.

The working principle of the overvoltage protection component is as follows:

the third detection means 5340 is also communicatively connected to the control means.

In the normal working process, the battery pack positioning module moves according to a preset track and is positioned with the positioning hole at the end part of the battery pack, the conical positioning part 5381 of the positioning pin 538 is inserted into the positioning hole, at the moment, the battery pack does not apply pressure on the positioning pin 538 in the vertical direction, and the battery pack is only hooked and limited by the positioning pin 38 on the side wall of the positioning hole. At this time, the third detecting device 5340 does not detect the second sensing piece 5330.

If the abnormity happens, the positioning is inaccurate, such as: the positioning pin 538 is not aligned with the positioning hole at the end of the battery pack, or the positioning pin 538 abuts against other surfaces of the battery pack, so that the battery pack can press the positioning pin 538, vertical pressure is applied to the positioning pin 538, the positioning pin 538 moves downwards to drive the adapter 539 and the second induction sheet 5330 to move downwards and compress the second spring 5310, when the third detection device 5340 detects the second induction sheet 5330, a signal is fed back to the control device by the third detection device 5340, the control device immediately stops the equipment to act, the equipment is prevented from damaging the battery pack, and the overpressure prevention effect is achieved.

The specific use mode is as follows:

the charging warehouse adopts a cabinet type structure, and a plurality of layers of battery pack accommodating cavities are arranged in the charging warehouse. A charging reservoir is located at the distal end of the jaws 32. The centerline of the battery pack receiving cavity and the centerlines of the two jaws 32 may be collinear.

The battery pack is temporarily stored in a preset transfer station in advance.

The X-axis moving mechanism 2, the Z-axis moving mechanism 4, the first driving device 33, the second driving device 52, the third driving device 346, the first detecting device 324, the second detecting device 537, the third detecting device 5340, and the battery pack information identifying or reading device 35 are respectively connected to a control device in a communication manner, and are controlled in a unified manner, and the control device may be a PLC.

And presetting a working program.

The control device firstly controls the first driving device 33 to drive the two clamping jaws to open synchronously;

then controlling the X-axis moving mechanism 2 and the Z-axis moving mechanism 4 to work, and moving the clamping jaws 32 and the battery pack pushing and pulling mechanism 5 to a preset position, so that the battery pack is positioned between the two clamping jaws 2, the conveying roller 322 is positioned below the bottom surface of the battery pack 6, and the positioning pin 538 is positioned right below the positioning hole of the battery pack 6;

then, controlling the first driving device 33 to drive the two clamping jaws 32 to clamp synchronously, then controlling the Z-axis moving mechanism 4 to lift, and packing the battery pack 6 at the bottom, wherein the battery pack is positioned on the clamping jaws 32, so that the bottom surface of the battery pack is clamped by the two clamping jaws 32 and the upper surface of the conveying roller 322; and the positioning pins 538 are inserted into the positioning holes of the battery pack 6 in a one-to-one correspondence manner;

at this time, the first detecting device 324 detects whether the battery pack is over-high or tilted, if the signal is not interrupted, it indicates that there is no over-high phenomenon, and the next action can be performed, otherwise, each electrical device is controlled to stop working;

then controlling the X-axis moving mechanism 2 and the Z-axis moving mechanism 4 to move, so that the conveying roller 322 moves to the inlet of a battery pack accommodating cavity of the charging warehouse;

then, the second driving device 52 is controlled to work, the claw mechanism 53 is driven to push the battery pack 6 to roll on the conveying roller 322, and finally, the battery pack is pushed into a battery pack accommodating cavity of the charging warehouse;

and then the Z-axis moving mechanism 4 is controlled to descend, the positioning pin 538 withdraws from the positioning hole, then the second driving device 52 is controlled to work, the claw hook mechanism 53 is driven to withdraw along the Y axis, and the next battery pack is grabbed.

In the working process, when the second detection device 537 detects the first sensing piece 536, a feedback signal is sent to the control device, and the control device controls each driving device to stop working, which indicates that the second driving device 52 is abnormal, and waits for the processing of a worker.

When the third detecting device 5340 detects the second sensing piece 5330, a signal is fed back to the control device, and the control device controls each driving device to stop working, indicating that the positioning is abnormal, and waiting for a worker to process.

Although specific embodiments of the utility model have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the utility model, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the utility model, which is to be limited only by the appended claims.

Claims (10)

1. A battery pack transportation device is characterized in that: the method comprises the following steps:

a first support frame;

the X-axis moving mechanism drives the first support frame to move along the X-axis direction;

the battery pack clamping jaw comprises a supporting device, two clamping jaws, a first driving device and two straightening mechanisms; the supporting device is movably connected to the first supporting frame along the Z-axis direction; the two clamping jaws are movably connected to the supporting device along the X direction and are symmetrically arranged; the first driving device is fixedly connected to the supporting device and drives the two clamping jaws to synchronously open or clamp; the straightening mechanisms are connected to the clamping jaws in a one-to-one correspondence manner and are symmetrically arranged;

the Z-axis moving mechanism drives the battery pack clamping jaw to move along the Z-axis direction;

the battery pack push-pull mechanism comprises a main body frame, a second driving device, a claw mechanism and a transmission mechanism; the main body frame is fixedly connected to the supporting device; the second driving device is fixedly connected to the main body frame; the hook claw mechanism comprises a second support frame, a battery pack positioning module and a battery pack protection module; the second support frame is movably connected to the main body frame along the Y-axis direction; the battery pack positioning module is connected to the second support frame; the battery pack protection module is connected to the second support frame; the transmission mechanism is respectively connected with the output ends of the claw mechanism and the second driving device.

2. A battery pack transport apparatus as claimed in claim 1, wherein: the support device includes:

a third support frame;

the two first guide rails are fixedly connected to the third support frame and are arranged along the X-axis direction;

four first sliding blocks;

wherein:

each clamping jaw is fixedly connected with the two first sliding blocks, and the two first sliding blocks are in one-to-one corresponding sliding connection with the two first guide rails;

the four first sliding blocks are arranged in a rectangular shape.

3. A battery pack transport apparatus as claimed in claim 1, wherein: each of the jaws comprises:

the clamping jaw seat is connected with the output end of the first driving device;

the conveying rollers are connected to the inner sides of the clamping jaw seats, are arranged in a row along the Y-axis direction, and have rotating axes arranged along the X-axis direction;

the guide wheel sets are connected to the clamping jaw seats, arranged in a row along the Y-axis direction, positioned on the outer side of the conveying roller, higher than the conveying roller, and arranged along the Z-axis along the rotation axis;

the first detection device is fixedly connected to the clamping jaw seat;

the first detection device is used for detecting whether the battery pack is ultrahigh or tilted.

4. A battery pack transport apparatus as claimed in claim 1, wherein: the battery pack clamping jaw further comprises:

the battery pack information identification or reading device is fixedly connected with the supporting device, the clamping jaw or the straightening mechanism;

the limiting protection pieces are at least two, are fixedly connected to the clamping jaws in a one-to-one correspondence manner, and are symmetrically arranged;

and the blocking piece is fixedly connected with the supporting device and is used for abutting against each limit protection piece.

5. A battery pack transport apparatus as claimed in claim 1, wherein: the mechanism of ajusting includes:

the bottom plate is fixedly connected to the clamping jaw;

the second guide rail is fixedly connected to the bottom plate along the X-axis direction;

the second sliding block is connected with the second guide rail in a sliding manner;

the sliding block connecting plate is fixedly connected to the second sliding block;

the push block is fixedly connected to the slide block connecting plate;

and the third driving device is fixedly connected to the clamping jaw, and the output end of the third driving device is connected to the sliding block connecting plate.

6. A battery pack transport apparatus as claimed in claim 1, wherein: the battery pack push-pull mechanism further comprises:

the third guide rail is fixedly connected to the main body frame along the Y-axis direction;

the third sliding block is connected to the third guide rail in a sliding manner and is fixedly connected to the second supporting frame;

two limiting pieces are fixedly connected to the main body frame and positioned at two ends of the motion direction of the claw mechanism;

wherein:

the transmission mechanism includes:

two synchronous belt wheels are provided, wherein one synchronous belt wheel is fixedly connected with the output end of the second driving device; the other synchronous pulley is rotationally connected with the main body frame;

the synchronous belt is sleeved on the two synchronous belt wheels;

and the synchronous belt clamping plate is fixedly connected with the claw mechanism and clamps the synchronous belt.

7. A battery pack transport apparatus as claimed in claim 1, wherein: the battery pack protection module includes:

the overload protection assembly is movably connected to the second support frame and connected to the transmission mechanism;

the overvoltage protection component is fixedly connected to the battery pack positioning module;

the battery pack positioning module is movably connected to the second support frame along the Z-axis direction.

8. The battery pack transport apparatus according to claim 7, wherein: the overload protection assembly includes:

the fixed block is provided with a groove and is fixedly connected with the second support frame;

the optical axis is fixedly connected to the fixed block and penetrates through the groove;

the connecting piece is sleeved on the optical axis in a sliding manner, is positioned in the groove and is fixedly connected to the transmission mechanism;

the first spring is sleeved on the optical axis, one end of the first spring is propped against the inner side wall of the groove, the other end of the first spring is propped against the connecting piece, and the first spring is sleeved at two ends of the connecting piece, which are positioned on the same optical axis, respectively;

two first induction sheets are respectively and fixedly connected to the connecting piece;

and the two second detection devices are respectively fixedly connected to the second support frame and used for detecting the first induction sheet.

9. The battery pack transport apparatus according to claim 8, wherein: the battery pack positioning module comprises two positioning pins;

each positioning pin comprises a conical positioning part at the top end, a limiting part in the middle and a smooth shaft part at the bottom;

the outer diameter of the limiting part is larger than that of the optical shaft part.

10. A battery pack transport apparatus as claimed in claim 9, wherein: the overvoltage protection component comprises:

an adapter;

two second springs;

the connecting plate is provided with two vertical step through holes; each vertical step perforation comprises an upper large hole part and a lower small hole part; the diameter of the large hole part is larger than the outer diameter of the second spring; the outer diameter of the light shaft part is less than the diameter of the small hole part and is greater than the outer diameter of the second spring; the connecting plate is fixedly connected to the second support frame;

the second induction sheet is fixedly connected to the adapter piece;

the third detection device is fixedly connected to the second support frame and used for detecting the second induction sheet;

wherein:

the optical shaft parts correspondingly penetrate through the vertical step through holes one by one and then are fixedly connected to the adapter piece;

the limiting part is positioned in the large hole part;

the conical positioning part protrudes out of the top end of the connecting plate;

the second springs are sleeved on the light shaft part in a one-to-one correspondence mode and respectively abut against the bottom end of the limiting part and the bottom surface of the large hole part.

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