CN111825006A

CN111825006A - Elevator and battery pack

Info

Publication number: CN111825006A
Application number: CN202010572725.3A
Authority: CN
Inventors: 于述
Original assignee: Bmz Co ltd
Current assignee: Bmz Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-10-27
Anticipated expiration: 2040-06-22
Also published as: CN111825006B

Abstract

The application provides a lift and battery package. The elevator comprises a frame, a lifting guide rod, a sliding frame, a movable hanging piece, a first rotating shaft, a second rotating shaft, a belt transmission assembly and a driving mechanism; both ends of the lifting guide rod are connected with the frame; the sliding frame is sleeved on the lifting guide rod and is in sliding connection with the lifting guide rod; the movable hanging piece is arranged on the sliding frame; the first rotating shaft is rotatably connected to the frame; the second rotating shaft is rotatably connected to the rack and is arranged in parallel with the first rotating shaft; the belt transmission assembly is sleeved on the first rotating shaft and the second rotating shaft respectively and is connected with the sliding frame; the driving mechanism is arranged on the frame. The link of battery package can be hung and is located the activity pendant, makes the activity pendant can drive the battery package and go up the descending motion in vertical direction, need not that the technical staff moves manually, has improved the maintenance convenience of battery package, has solved the battery package simultaneously and has wasted time and energy the problem in the maintenance process.

Description

Elevator and battery pack

Technical Field

The invention relates to the technical field of power batteries, in particular to a lifter and a battery pack.

Background

The battery pack adopts a plurality of battery cores of the same model and is formed by connecting modules in series. For a more powerful battery pack, the volume and weight of the battery pack are also larger, especially for a powerful power battery. Although the battery pack has a battery management system therein to monitor and manage various parameters in the battery pack, including functions of short-circuit protection, fault diagnosis, and SOC calculation, technicians are also required to perform maintenance on the battery pack periodically, such as periodic detection.

Due to the heavy weight of the battery pack and the high location where it is installed, technicians cannot directly perform maintenance, and the battery pack needs to be removed from the installation location and moved to the ground or to a maintenance platform or other lower location. However, the conventional battery pack needs a plurality of technicians to assist in moving, so that the maintenance convenience of the battery pack is poor, and the battery pack is time-consuming and labor-consuming in the maintenance process.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a lifter and a battery pack.

The purpose of the invention is realized by the following technical scheme:

an elevator, comprising:

a frame;

the two ends of the lifting guide rod are connected with the rack;

the sliding frame is sleeved on the lifting guide rod and is in sliding connection with the lifting guide rod;

the movable hanging piece is arranged on the sliding frame;

the first rotating shaft is rotatably connected to the rack;

the second rotating shaft is rotatably connected to the rack and is arranged in parallel with the first rotating shaft;

the belt transmission assembly is sleeved on the first rotating shaft and the second rotating shaft respectively and is connected with the sliding frame; and

the driving mechanism is arranged on the rack, a power output end of the driving mechanism is connected with the first rotating shaft, and the driving mechanism drives the first rotating shaft to rotate relative to the rack.

In one embodiment, the driving mechanism includes a motor, a driving wheel, a driven wheel and a transmission belt, the motor is installed on the frame, the driving wheel is installed on a power shaft of the motor, the driven wheel is sleeved on the first rotating shaft, and the transmission belt is respectively sleeved on the driving wheel and the driven wheel.

In one embodiment, the number of the first rotating shafts and the number of the second rotating shafts are two, the two first rotating shafts are arranged in parallel, and the driven wheel is sleeved on one of the first rotating shafts; the two second rotating shafts are arranged in parallel; the power output end of the driving mechanism is connected with one of the first rotating shafts;

the number of the belt transmission components is at least two, one of the belt transmission components is respectively sleeved on one of the first rotating shafts and one of the second rotating shafts, and the other belt transmission component is respectively sleeved on the other one of the first rotating shafts and the other one of the second rotating shafts; the lifter further comprises synchronous transmission assemblies, and the synchronous transmission assemblies are respectively sleeved on the two first rotating shafts.

In one embodiment, the belt transmission assembly includes a first belt wheel, a second belt wheel and a lifting belt, the first belt wheel is sleeved on the first rotating shaft, the second belt wheel is sleeved on the second rotating shaft, and the lifting belt is sleeved on the first belt wheel and the second belt wheel respectively; the lifting belt is connected with the sliding frame.

In one embodiment, the sliding frame is provided with a mounting hole, and the lifting belt penetrates through the mounting hole and is connected with the sliding frame.

In one embodiment, the sliding frame comprises a sliding frame main body, a connecting plate and a sliding sleeve, wherein the connecting plate is connected with the sliding frame main body, a through hole is formed in the connecting plate, the sliding sleeve is arranged in the through hole in a penetrating mode and connected with the connecting plate, and the sliding sleeve is further sleeved on the lifting guide rod and connected with the lifting guide rod in a sliding mode; the connecting plate is also connected with the belt transmission assembly.

In one embodiment, the web is welded to the carriage body.

In one embodiment, the lifting guide rod comprises a guide rod body, a first fixing plate and a second fixing plate, two ends of the guide rod body are respectively connected with the first fixing plate and the second fixing plate, the first fixing plate is fixedly connected to the bottom of the rack, and the second fixing plate is fixedly connected to the top of the rack.

In one embodiment, the elevator further comprises a plurality of roller assemblies, and the plurality of roller assemblies are all mounted at the bottom of the frame.

A battery pack, the battery pack adopts the lift of any above-mentioned embodiment to go up and down, the battery pack is including casing and link that are connected, the link articulate in movable pendant.

Compared with the prior art, the invention has at least the following advantages:

1. because both ends of the lifting guide rod are connected with the frame, the sliding frame is sleeved on the lifting guide rod and is in sliding connection with the lifting guide rod, so that the sliding frame can lift and slide in the vertical direction relative to the frame; the movable hanging piece is arranged on the sliding frame, so that the movable hanging piece slides relative to the lifting guide rod along with the sliding frame, and the hanging ring of the battery pack can be hung on the movable hanging piece, so that the movable hanging piece can drive the battery pack to move up and down in the vertical direction, the battery pack does not need to be moved manually by technicians, the maintenance convenience of the battery pack is improved, the battery pack is light and fast in the maintenance process, and the problem that the battery pack wastes time and labor in the maintenance process is solved;

2. because first pivot and second pivot all rotate to be connected in the frame, first pivot and second pivot are located to the cover respectively of belt drive assembly, actuating mechanism drives first pivot and rotates for the frame, and first pivot is rotated and can be driven the second pivot and rotate for the frame, because belt drive assembly is connected with the carriage again, makes belt drive assembly drive the carriage and slide for the frame slides, realizes actuating mechanism and passes through belt drive assembly drive carriage and for the automatic rising and falling motion of frame, and then drive battery package in the vertical direction rising and falling motion.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of an embodiment of an elevator;

fig. 2 is a schematic structural view of a battery pack which is transported by the elevator shown in fig. 1;

FIG. 3 is an enlarged, fragmentary view of the elevator of FIG. 1 at A;

FIG. 4 is a partial schematic view of the hoist of FIG. 1;

FIG. 5 is another partial schematic view of the hoist of FIG. 1;

FIG. 6 is a further fragmentary schematic view of the hoist of FIG. 1;

fig. 7 is a partially enlarged schematic view of the elevator shown in fig. 1 at B.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, an elevator 10 of one embodiment is used to transport a battery pack 20 up and down from one location to another for servicing by a technician. In one embodiment, the elevator includes a frame 100, a lift guide 200, a carriage 300, a movable hanger 400, a first rotation shaft 500, a second rotation shaft 600, a belt drive assembly 700, and a drive mechanism 800. And the two ends of the lifting guide rod are connected with the rack. In this embodiment, the frame is a rectangular parallelepiped frame structure. One end of the lifting guide rod is connected with the top of the frame, and the other end of the lifting guide rod is connected with the bottom of the frame.

In one embodiment, the sliding frame is sleeved on the lifting guide rod and is connected with the lifting guide rod in a sliding mode, so that the sliding frame can move up and down relative to the rack along the axial direction of the lifting guide rod. The movable hanging piece is arranged on the sliding frame. As shown in fig. 2, in the present embodiment, the hanging ring 22 of the battery pack 20 is hung on the movable hanging member. The figure of activity pendant is a plurality of, and a plurality of activity pendant intervals set up in the carriage. The number of the hanging rings is multiple, and the hanging rings correspond to the movable hanging pieces one by one.

In one embodiment, the first rotating shaft is rotatably connected to the frame. The second rotating shaft is rotatably connected to the rack, and the second rotating shaft and the first rotating shaft are arranged in parallel. In this embodiment, the first rotating shaft is rotatably connected to the top of the frame, and the second rotating shaft is rotatably connected to the bottom of the frame. The first rotating shaft and the second rotating shaft are arranged in the same vertical direction of the rack side by side.

In one embodiment, the belt transmission assembly is respectively sleeved on the first rotating shaft and the second rotating shaft, so that the first rotating shaft and the second rotating shaft synchronously rotate. The belt transmission assembly is connected with the sliding frame, so that the belt transmission assembly drives the sliding frame to slide along the axial direction of the lifting guide rod. The driving mechanism is arranged on the rack. The power output end of the driving mechanism is connected with the first rotating shaft, and the driving mechanism drives the first rotating shaft to rotate relative to the rack.

In the elevator, because the two ends of the lifting guide rod are connected with the frame, the sliding frame is sleeved on the lifting guide rod and is in sliding connection with the lifting guide rod, so that the sliding frame can lift and slide in the vertical direction relative to the frame; and because the movable hanging piece is arranged on the sliding frame, the movable hanging piece slides relative to the lifting guide rod along with the sliding frame, and the hanging ring of the battery pack can be hung on the movable hanging piece, so that the movable hanging piece can drive the battery pack to move up and down in the vertical direction. Because first pivot and second pivot all rotate to be connected in the frame, first pivot and second pivot are located to the cover respectively to the belt drive assembly, actuating mechanism drives first pivot and rotates for the frame, first pivot is rotated and can is driven the second pivot and rotate for the frame, because the belt drive assembly is connected with the carriage again, make the belt drive assembly drive the carriage and slide for the frame, realize the carriage and slide on vertical direction for the lift guide arm, with transport battery package between the different high positions on vertical direction, be about to the battery package and carry higher position from lower position, or carry the battery package to lower position from higher position.

As shown in fig. 3, in one embodiment, the movable hanger includes a fixed member 410 and a hook 420, one end of the fixed member is connected to the sliding frame, the other end of the fixed member is movably connected to the hook, and the hanging ring is hung on the hook, so that the movable hanger is hung on the sliding frame. In this embodiment, fixed subassembly rotates with the couple to be connected, makes the couple have certain beat space for fixed subassembly, and the couple can be hung fast nimble like this and establish on the link, especially when the battery package is not on the carriage for frame lift slip direction, the couple can be for fixed subassembly beat certain angle, and the couple is for carriage beat certain angle promptly, has improved the convenient to use nature of lift. In other embodiments, the fixing component can also be connected with the hook in a sliding way.

As shown in fig. 3, in one embodiment, the fixing assembly includes a fixing base 412 and a hanging chain 414, the fixing base being fixedly mounted to the carriage. One end of the hanging chain is rotatably connected with the fixed seat, and the other end of the hanging chain is rotatably connected with the hook, so that the hook is rotatably connected with the fixed component, and the hook has a larger deflection angle relative to the sliding frame. In this embodiment, the suspension chain includes a chain main body 414a, a first bolt 414b and a second bolt 414c, and a first insertion hole 4142 and a second insertion hole 4144 are respectively formed at two ends of the chain main body. The hook is provided with a third jack (not shown), and the first bolt is respectively penetrated in the first jack and the third jack so that the hook is rotatably connected with the chain main body. The fixing seat is provided with a fourth jack (not shown), and the second bolt is respectively penetrated in the second jack and the fourth jack so as to ensure that the chain main body is rotatably connected with the fixing seat.

As shown in FIG. 3, in one embodiment, the holder includes a connection post 412a, a press block assembly 412b, and a lock nut 412 c. The connecting column is rotationally connected with the hanging chain. The briquetting subassembly is connected in the carriage. The pressing block component is provided with a through hole (not shown), and the connecting column is arranged in the through hole in a penetrating way. The outer wall of the connecting column is provided with threads, and the locking nut is sleeved on the connecting column and is in threaded connection with the connecting column, so that the connecting column is reliably connected to the sliding frame. In this embodiment, the pressing block assembly includes a first pressing block 4122 and a second pressing block 4124, which abut against two sides of the sliding frame respectively. The first pressing block is provided with a first connecting hole, the second pressing block is provided with a second connecting hole, and the connecting column penetrates through the first connecting hole and the second connecting hole respectively. The number of the locking nuts is two, the two locking nuts are all sleeved on the connecting column, one of the locking nuts abuts against one surface, deviating from the second pressing block, of the first pressing block, the other locking nut abuts against one surface, deviating from the first pressing block, of the second pressing block, and the pressing block assembly is reliably connected to the sliding frame.

As shown in fig. 4, in one embodiment, the carriage includes a carriage body 310 and a support frame 320 coupled together. The sliding frame main body is connected with the lifting guide rod in a sliding mode, the sliding frame main body is connected with the belt transmission assembly, the belt transmission assembly is connected with the sliding frame, and the sliding frame is connected with the lifting guide rod in a sliding mode. The first pressing block and the second pressing block are respectively abutted against two surfaces of the bracket. In this embodiment, a hollow area exists in the middle area of the carriage body, and the bracket is located in the hollow area and connected to the carriage body.

In one embodiment, the first pressing block comprises a first pressing block body and two first positioning blocks connected to the same surface of the first pressing block body. Two first locating blocks and first briquetting body form first constant head tank jointly, and the support is located first constant head tank and with first briquetting butt. The first connecting hole is arranged on the first pressing block body. The second pressing block comprises a second pressing block body and two second positioning blocks connected to the same surface of the second pressing block body. The two second positioning blocks and the second pressing block body jointly form a second positioning groove, and the support is located in the second positioning groove and is abutted to the second pressing block. The second connecting hole is formed in the second pressing block body. The first pressing block and the second pressing block are respectively abutted against two surfaces of the support, so that the pressing block assembly is connected with the sliding frame. Two lock nuts respectively with first briquetting body and second briquetting body butt.

As shown in fig. 1 and 5, in one embodiment, the bracket is provided with a through groove 322, and the connection posts are respectively inserted into the first connection hole, the through groove and the second connection hole, so that the connection posts are more reliably connected to the bracket, and the first pressing block body and the second pressing block body are better abutted against two sides of the bracket. In this embodiment, wear to establish the groove and extend along the length direction of support, make spliced pole and leg joint's position adjustable, improved the flexibility that the movable hanging piece was installed in the carriage, make spliced pole and support reliably be connected simultaneously.

As shown in fig. 1 and 5, in one embodiment, the carriage body and the bracket are detachably connected, so that the relative connection position of the carriage body and the bracket can be adjusted. In one embodiment, the carriage further includes a slack adjuster 330. Installation adjusting groove 312 has been seted up to the carriage main part, and the tight regulation piece wears to locate the installation adjusting groove respectively and wears to establish the groove, and the tight regulation piece respectively with carriage main part and leg joint, makes the hookup location of carriage main part and support adjustable. In this embodiment, the slack adjuster includes a locking member (not shown), a positioning block 332, and a slack nut (not shown). The elasticity hole is worn to be equipped with by the locating piece, and the retaining member wears to locate the elasticity hole respectively and wears to establish the inslot, locating piece and support butt. The elastic nut is abutted against one surface of the positioning block, which is far away from the support, so that the elastic adjusting piece locks and positions the relative position of the sliding frame main body and the support. Because the elasticity adjusting part can be adjusted in the installation adjusting groove in a flexible way, the relative connecting position of the sliding frame main body and the support can be adjusted, and the use convenience of the elevator is improved.

Further, the tightness adjusting piece further comprises a limiting block, a limiting hole is formed in the limiting block, and the locking piece is further arranged in the limiting hole in a penetrating mode. The limiting block is abutted against one surface of the support, which is far away from the positioning block. The limiting block is positioned in the installation adjusting groove and is in sliding connection with the sliding frame main body, so that the tightness adjusting piece plays a limiting role, and meanwhile, the sliding frame main body is reliably positioned and connected with the support. In this embodiment, the mounting adjustment slot extends in a direction parallel to the width of the carriage body, and the through-slot extends in a direction parallel to the length of the carriage body.

As shown in fig. 1 and 6, in one embodiment, the driving mechanism includes a motor 810, a driving pulley 820, a driven pulley 830, and a driving belt 840. The motor is mounted to the frame. The action wheel is located the power shaft of motor, in this embodiment, the power shaft of motor is located to the action wheel cover. The driven wheel is sleeved on the first rotating shaft. The transmission belt is respectively sleeved on the driving wheel and the driven wheel. When a power shaft of the motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the transmission belt, the driven wheel drives the first rotating shaft to rotate relative to the rack as the driven wheel is sleeved on the first rotating shaft, and the first rotating shaft synchronously rotates with the second rotating shaft through the belt transmission assembly, so that the sliding frame is driven to slide relative to the lifting guide rod, and the sliding frame is lifted and lowered. In this embodiment, the motor and the first rotating shaft are both mounted on the top of the frame. The driving wheel and the driven wheel are both in a belt wheel structure, so that the driving wheel, the driven wheel and the transmission belt synchronously move.

It will be appreciated that in other embodiments, the motor may be replaced by a rotary cylinder. The driving wheel and the driven wheel can be chain wheels. The transmission belt can be replaced by a chain, so that the driving wheel or the driven wheel can be better prevented from being washed in a slipping mode relative to the chain, and the driving wheel and the driven wheel can be better ensured to rotate synchronously.

In one embodiment, the number of the first rotating shaft and the second rotating shaft is two. The two first rotating shafts are arranged in parallel, and the two second rotating shafts are arranged in parallel. Because the first rotating shafts and the second rotating shafts are arranged in parallel, the two first rotating shafts and the two second rotating shafts are arranged in parallel. And the power output end of the driving mechanism is connected with one of the first rotating shafts, so that the driving mechanism drives one of the first rotating shafts to rotate relative to the frame. The driven wheel is sleeved on one of the first rotating shafts. The number of the belt transmission components is at least two. One of the belt transmission components is respectively sleeved on one of the first rotating shafts and one of the second rotating shafts, and the other belt transmission component is respectively sleeved on the other one of the first rotating shafts and the other one of the second rotating shafts. The elevator further includes a synchronous transmission assembly 900, which is respectively sleeved on the two first rotating shafts to enable the two first rotating shafts to rotate synchronously. In this embodiment, the two belt drive assemblies are arranged in parallel. The two first rotating shafts are arranged at the top of the rack in parallel, and the two second rotating shafts are arranged at the bottom of the rack in parallel. Each first rotating shaft and the corresponding second rotating shaft are positioned in the same vertical direction. The belt transmission assemblies are distributed along the sliding lifting direction of the sliding frame.

In one embodiment, the synchronous drive assembly is disposed on the top of the frame. When the driving mechanism drives one of the first rotating shafts to rotate relative to the rack, the first rotating shaft drives the other first rotating shaft to rotate relative to the rack through the synchronous transmission assembly, so that the two first rotating shafts synchronously rotate relative to the rack, and the two first rotating shafts drive the corresponding second rotating shafts to rotate relative to the rack through the corresponding belt transmission assemblies, so that the two belt transmission assemblies synchronously move. Because the two belt transmission assemblies are connected with the sliding frame, the two belt transmission assemblies drive the sliding frame to synchronously slide relative to the rack.

As shown in fig. 1, in one embodiment, the timing drive assembly includes a first timing pulley 910, a second timing pulley 920, and a timing belt 930. The first synchronous pulley is sleeved on one of the first rotating shafts, and the second synchronous pulley is sleeved on the other first rotating shaft. The synchronous belts are respectively sleeved on the first synchronous belt wheel and the second synchronous belt wheel, so that the two first rotating shafts synchronously rotate, the rotating steps of the two first rotating shafts relative to the rack are ensured to be consistent, and the sliding frame stably slides relative to the rack. In the present embodiment, the first timing pulley and the second timing pulley are both pulleys. It is understood that in other embodiments, the first synchronous pulley and the second synchronous pulley are not limited to pulleys, but may be sprockets. The synchronous belt is replaced by a chain, so that the synchronous transmission assembly has better synchronism.

In one embodiment, the number of the lifting guide rods is more than two, and the more than two lifting guide rods are arranged in parallel. The sliding frame is respectively sleeved on more than two lifting guide rods, so that the sliding frame can move more stably relative to the rack. In this embodiment, the number of the lifting guide rods is four, and the four lifting guide rods are arranged in parallel. The sliding frame is respectively sleeved on the four lifting guide rods.

As shown in fig. 4, in one embodiment, the belt drive assembly includes a first pulley 710, a second pulley 720, and a lift belt 730. The first pulley is sleeved on the first rotating shaft. The second belt pulley is sleeved on the second rotating shaft. The lifting belt is respectively sleeved on the first belt wheel and the second belt wheel. The lifting belt is connected with the sliding frame. When the first rotating shaft drives the first belt wheel to rotate, the first belt wheel drives the second belt wheel to rotate through the lifting belt, so that the second belt wheel drives the second rotating shaft to rotate relative to the rack, meanwhile, the lifting belt drives the sliding frame to slide relative to the lifting guide rod, lifting motion of the sliding frame is realized, and then the belt transmission assembly drives the sliding frame to lift relative to the rack.

As shown in fig. 4, in one embodiment, the sliding frame has a mounting hole 302, and the lifting belt is inserted into the mounting hole and connected to the sliding frame, so that the lifting belt is reliably connected to the sliding frame. In this embodiment, the lifting belt is in interference fit with the mounting hole, so that the lifting belt is elastically abutted against the inner wall of the mounting hole of the sliding frame. Furthermore, the periphery of the connection part of the lifting belt and the sliding frame is coated with a glue joint layer, so that the lifting belt and the sliding frame are glued, and the connection between the lifting belt and the sliding frame is firmer.

As shown in fig. 1 and 5, in one embodiment, the carriage further comprises a coupling plate 340 and a sliding sleeve 350. The connecting plate is connected with the sliding frame main body. The connecting plate is provided with a through hole (shielded by a sliding sleeve in figure 3), and the sliding sleeve penetrates through the through hole and is connected with the connecting plate. The sliding sleeve is further sleeved on the lifting guide rod and is in sliding connection with the lifting guide rod, so that the sliding frame is in sliding connection with the lifting guide rod. The connecting plate is also connected with the belt transmission assembly, so that the belt transmission assembly is connected with the sliding frame. In this embodiment, the mounting hole is opened in the connecting plate.

In one embodiment, the connecting plate is welded to the carriage body, such that the connecting plate is securely connected to the carriage body. It will be appreciated that in other embodiments the connection plate is not limited to being welded to the carriage body, but may be glued to the carriage body.

Referring again to fig. 1, in one embodiment, the lift guide includes a guide body 210, a first fixing plate 220, and a second fixing plate 230. Two ends of the guide rod body are respectively connected with the first fixing plate and the second fixing plate. The first fixing plate is fixedly connected to the bottom of the rack. The second fixing plate is fixedly connected to the top of the rack. In this embodiment, the first fixing plate and the second fixing plate are both fixedly connected to the frame. Two ends of the guide rod body are respectively arranged on the first fixing plate and the second fixing plate.

As shown in fig. 1, in one embodiment, the elevator further includes a plurality of roller assemblies 1100, and the plurality of roller assemblies are all mounted at the bottom of the frame, so that the frame can be moved freely through the roller assemblies, thereby improving the convenience of the elevator.

Referring also to FIG. 7, in one embodiment, each roller assembly includes a mounting block 1110, a connecting shaft 1120, and a roller 1130. The mounting seat is connected with the frame. The mounting seat is provided with a spacing avoiding groove 1112 and a connecting hole 1114 which are communicated, and the connecting shaft penetrates through the connecting hole and is rotatably connected with the mounting seat. The connecting shaft is sleeved with the roller, the roller is rotatably connected with the connecting shaft, the roller is positioned in the avoiding groove, and at least part of the roller is positioned outside the avoiding groove, so that the roller can roll on a horizontal plane, and the rack can move freely through the roller assembly. In this embodiment, the mounting base is detachably connected to the frame so that the roller assembly can be periodically maintained or replaced.

As shown in fig. 7, in one embodiment, the mount includes a mount body 1111, a coupling bolt 1113, and a coupling nut 1115. The connecting bolt is connected with the mounting base body. The avoiding groove and the connecting hole are both arranged on the mounting base body. The end of the housing adjacent the mounting base forms a mounting block 102. The mounting table is provided with a dismounting hole (which is shielded by a connecting nut 1115 in fig. 7), and a connecting bolt penetrates through the dismounting hole and is in threaded connection with the connecting nut. The connecting nut is abutted against one surface of the mounting table, which deviates from the mounting base body, so that the mounting base is detachably connected with the rack.

For the damping performance that improves the frame, further, the mount pad still includes coil spring, and connecting bolt is located to coil spring cover, and coil spring's both ends respectively with mount table and mount pad body butt, make the mount pad have better damping performance. Further, the mounting base further comprises a vibration reduction rubber mat, the vibration reduction rubber mat is located between the mounting table and the mounting base body, the vibration reduction rubber mat is sleeved at the connecting bolt, the vibration reduction rubber mat is reliably pressed and located between the mounting table and the mounting base body, and under the combined action of the spiral spring and the vibration reduction rubber mat, the lifter has better vibration reduction performance, and the problem that the battery pack is easily damaged when moving along with the movable hanging piece is solved.

In order to avoid the roller assembly from rolling accidentally, especially when lifting the battery pack, in one embodiment, the mounting seat further comprises a locking assembly, and the locking assembly comprises a fixing seat, an adjusting locking piece and an elastic abutting block. The fixing base is connected in the installation pedestal, and the fixing base is seted up threaded hole, adjusts the locking and wears to locate in the threaded hole and with the fixing base spiro union. The elastic abutting block is connected with the end part of the adjusting locking piece and is used for pressing and abutting against the roller. When the roller needs to be locked, the adjusting locking piece is screwed, the adjusting locking piece drives the elastic abutting block to move towards the direction of abutting against the roller, the elastic abutting is against the roller, the roller rolls and needs to overcome the friction force, and the problem that the roller rolls accidentally is avoided. When the roller needs to roll, the adjusting locking piece is screwed, and the adjusting locking piece drives the elastic abutting block to move towards the direction away from the roller, so that the roller and the mounting base body can rotate relatively.

Referring to fig. 2 again, the present invention further provides a battery pack 20, which is lifted by using the lifter according to any of the above embodiments, and the battery pack includes a casing 24 and a hanging ring 22 connected with each other, and the hanging ring is hung on the movable hanging member.

In one embodiment, the case includes a case body, a coupling boss, a fixing member, and a boss. The shell body is provided with an accommodating cavity and a first via hole. The connecting boss is connected with the shell body. The connecting boss is provided with a second through hole communicated with the first through hole, and the convex column respectively penetrates through the first through hole and the second through hole and is connected with the fixing piece. The fixing piece is positioned in the accommodating cavity and is abutted against the shell body. The convex column is positioned at the peripheral end part of the shell body and is connected with the hanging ring, so that the shell is connected with the hanging ring. In this embodiment, the accommodating cavity is used for accommodating internal elements of the battery pack, such as a battery cell. The fixing piece is detachably connected with the convex column. Specifically, the fixing member is a nut. The end part of the convex column in the accommodating cavity is provided with threads, and the fixing piece is in threaded connection with the convex column, so that the fixing piece is detachably connected with the convex column, and the convex column or the hanging ring can be maintained and replaced conveniently.

In one embodiment, the housing further comprises a sealing ring, and the sealing ring is sleeved on the convex column. The sealing ring is respectively elastically abutted against the fixing piece and the shell body to play a role of loosening, so that the fixing piece is reliably screwed with the convex column, and the joint of the convex column and the shell body has better sealing performance, so that water vapor or sundries on the periphery of the shell body can be prevented from entering, and the reliability of connection between the convex column and the fixing piece is further improved. In this embodiment, the sealing ring is a sealing rubber ring. In this embodiment, the first constant head tank with first via hole intercommunication is seted up to the shell body, and the sealing washer is located first constant head tank and with the shell body butt, makes the reliable location in first constant head tank of sealing washer, has improved the sealing performance of sealing washer.

It is understood that in other embodiments, the connection of the fixing member to the stud is not limited to screwing. For example, the fixing member and the protruding pillar are welded or glued, so that the fixing member and the protruding pillar are firmly connected. Of course, the fixing piece and the convex column can be integrally formed, so that the structure of the battery pack is more compact.

In one embodiment, the convex column is detachably connected with the hanging ring, so that the hanging ring can be independently replaced or maintained, such as periodic rust prevention treatment. In this embodiment, the stud includes a stud body and a collar. The convex column body is respectively arranged in the first through hole and the second through hole in a penetrating way and is connected with the fixing piece. The convex column body is provided with external threads at the end part of the periphery of the shell body, and the inner wall of the lantern ring is provided with internal threads. The convex column body is provided with an open slot at the end part positioned at the periphery of the shell body, and the hanging ring part is positioned in the open slot. The lantern ring is sleeved on the convex column body and is in threaded connection with the convex column body, so that the hanging ring is limited in the open slot, and the hanging ring is detachably connected with the convex column body.

Furthermore, the convex column also comprises an elastic piece which is sleeved on the convex column body. The end of the collar adjacent the attachment boss is formed with an annular projection. The elastic component makes lantern ring elastic connection in the projection with annular arch and link butt respectively, hangs at the battery package and has certain shock-absorbing capacity on movable pendant like this, and the mount table also has certain buffering nature with the installation pedestal junction simultaneously, has avoided the battery package to receive the vibration great and influence the electric property of battery package at the lift dismouting in-process. In this embodiment, the elastic member is a coil spring or an elastic rubber sleeve.

Furthermore, the convex column also comprises a gasket which is sleeved on the convex column body. The gasket deviates from the one side of elastic component and has seted up the second constant head tank, and the link is located the second constant head tank and with the gasket butt. The elastic component is respectively abutted with the gasket and the annular protrusion, so that the problem that the elastic component is blocked or abraded greatly due to direct abutting of the hanging ring is avoided, and the service life of the battery pack is prolonged.

In one embodiment, the inner wall of the positioning groove is coated with an elastic glue layer, so that the problem of large abrasion when the hanging ring is abutted to the gasket is solved, and meanwhile, the hanging ring is made to have elasticity when the hanging ring is abutted to the gasket, so that the hanging ring is elastically abutted to the gasket.

In one embodiment, the battery pack further includes at least two battery modules. The shell further comprises a fixed frame, and the fixed frame is located in the containing cavity and connected with the shell body. At least two battery modules are located and hold the intracavity and are connected with fixed frame, make the heat that the battery module produced conduct through fixed frame and dispel the heat to the shell body on. In this embodiment, the fixing frame is a metal frame, so that the fixing frame has a better heat-conducting property. At least two battery modules are arranged side by side on the fixed frame.

In one embodiment, the battery pack further comprises a cover plate covering the case body. The one side that deviates from the shell body of apron is equipped with the heat dissipation rib, makes the heat of shell body not only dispel the heat through the shell body, but also conducts to the heat dissipation rib through the apron and dispels the heat, has improved the radiating rate of battery package. In this embodiment, the cover plate abuts against the fixed frame, so that the heat of the fixed frame can be directly conducted to the cover plate for heat dissipation.

Furthermore, one side of the cover plate, which is adjacent to the fixing frame, is provided with a heat conduction adhesive layer, the heat conduction adhesive layer is abutted against the fixing frame, so that heat of the fixing frame is quickly conducted to the cover plate through the heat conduction adhesive layer to be dissipated, and the heat dissipation efficiency of the battery pack is improved.

In one embodiment, the heat dissipation ribs are convexly provided with the heat dissipation fins, and the heat dissipation ribs exchange heat with the outside air through the heat dissipation fins, so that the heat of the cover plate is dissipated through the heat dissipation ribs and the heat dissipation fins, the heat dissipation rate of the cover plate is increased, and the heat dissipation efficiency of the battery pack is further improved.

In one embodiment, the battery pack further comprises an air inlet cover and an air inlet duct, the air inlet cover being in communication with the air inlet duct. The shell body is provided with an air inlet communicated with the accommodating cavity, and the end part of the air inlet pipeline far away from the air inlet cover is connected with the shell body. The air inlet pipeline is communicated with the air inlet, so that the air inlet cover is discharged into the accommodating cavity through the air inlet pipeline and the air inlet, and the accommodating cavity can better dissipate heat.

In one embodiment, the housing body is provided with an air outlet, the air outlet is communicated with the accommodating cavity, so that air entering the accommodating cavity exchanges heat with elements such as the battery core and the like, and then is discharged out of the periphery of the housing body through the air outlet, the battery pack can be rapidly cooled, and the cooling efficiency of the battery pack is further improved.

In order to avoid too large or too small air flow passing through the air inlet, furthermore, a wind shielding metal sheet is arranged at the position of the fixed frame adjacent to the air inlet, and the wind shielding metal sheet is movably connected to the fixed frame. The battery pack further comprises a heated supporting rod piece and a heat conducting plate, and the heat conducting plate is connected with the fixed frame. One end of the heated supporting rod piece is connected with the heat conducting plate, and the other end of the heated supporting rod piece is connected with the wind shielding metal sheet. The heated support rod piece is positioned on one side of the wind shielding metal sheet adjacent to the wind inlet. The heat conducting plate is partially positioned on one side of the wind shielding metal sheet close to the air inlet, and partially positioned in the fixed frame. When the temperature of the fixed frame is too high, the temperature conducted to the heat conducting plate by the fixed frame is higher, the temperature conducted to the heated supporting rod piece is higher, the heated supporting rod piece is thermally deformed, the range of the wind shielding metal sheet is larger in the direction far away from the air inlet, the distance from the wind shielding metal sheet to the air inlet is longer, and the heat dissipation airflow entering through the air inlet is larger. When the temperature of the fixed frame is too low, the temperature conducted to the heat conducting plate by the fixed frame is lower, the temperature conducted to the heated supporting rod piece is lower, the heated supporting rod piece is thermally deformed, the range of the wind shielding metal sheet is smaller in the direction far away from the air inlet, the distance between the wind shielding metal sheet and the air inlet is shorter, and the heat dissipation airflow entering through the air inlet is smaller. The heated support rod piece is automatically adjusted by the temperature to expand the range of the wind shielding metal sheet so as to adjust the flow of the heat dissipation air entering the accommodating cavity through the air inlet and realize the automatic adjustment of the air flow entering the air inlet. It should be noted that the heated supporting rod is made of shape memory alloy, and is made of memory alloy of the prior art, and has the function of thermal deformation. When the heated supporting rod piece is heated, the heated supporting rod piece can completely eliminate the deformation of the heated supporting rod piece at a lower temperature, namely the heated supporting rod piece returns to the deformation of the initial state, so that the alloy with the memory effect is provided. In this embodiment, the first heated supporting rod is bent.

In order to further improve the sensitivity of the wind shielding metal sheet movably connected to the fixed frame, in one embodiment, the lithium battery pack further comprises a second heated supporting rod, and the second heated supporting rod and the first heated supporting rod are respectively located at two sides of the wind shielding metal sheet. One end of the second heated supporting rod piece is connected with the wind shielding metal sheet, and the other end of the second heated supporting rod piece is connected with the fixed frame. The bending direction of the second heated supporting rod piece is the same as that of the first heated supporting rod piece. When the temperature of the fixed frame is too high, the temperature conducted to the second heated supporting rod piece is higher, the second heated supporting rod piece is subjected to thermal deformation and has larger range of supporting the wind shielding metal sheet towards the direction far away from the air inlet, so that the distance between the wind shielding metal sheet and the air inlet is far, and the heat dissipation air flow entering through the air inlet is larger at the moment. When the temperature of the fixed frame is too low, the temperature conducted to the second heated supporting rod piece is lower, the second heated supporting rod piece is subjected to thermal deformation, the range of the second heated supporting rod piece for supporting the wind shielding metal sheet in the direction far away from the air inlet is smaller, the distance between the wind shielding metal sheet and the air inlet is shorter, and the heat dissipation air flow entering through the air inlet is smaller at the moment. Like this first be heated and prop up the member and be heated the second and prop up the member and all receive the common automatically regulated range that the big or small metal sheet kept out the wind that struts of temperature influence to the regulation gets into the radiating airflow who holds the intracavity through going into the wind gap, realizes going into the automatically regulated of the air current in wind gap. It should be noted that the first heated supporting rod and the second heated supporting rod are both made of shape memory alloy, and are made of memory alloy of the existing material, and have the function of thermal deformation. When the second heated supporting rod piece is heated, the second heated supporting rod piece can completely eliminate the deformation of the second heated supporting rod piece at a lower temperature, namely, the second heated supporting rod piece returns to the deformation of the initial state, so that the alloy with the memory effect is provided.

In one embodiment, the wind shielding metal sheet is rotatably connected to the fixed frame so that the wind shielding metal sheet is movably connected to the fixed frame. In this embodiment, the side wall of the fixing frame is convexly provided with an installation convex hull, the installation convex hull is provided with a pivot hole, and the wind shielding metal sheet is located in the pivot hole and is rotationally connected with the fixing frame, so that the wind shielding metal sheet is rotationally connected with the fixing frame. It will be appreciated that in other embodiments the wind-deflecting metal sheet is not limited to being pivotally attached to the fixed frame, but may be slidably attached to the fixed frame.

In one embodiment, the metal sheet that keeps out the wind is seted up a plurality of ventilative holes, and a plurality of ventilative holes set up along the metal sheet interval that keeps out the wind, make the air current in the wind gap get into more easily and hold the intracavity, have improved the heat dispersion of battery package.

In order to enable the cell heat in the battery pack to be rapidly transferred to the fixing frame, in one embodiment, each battery module comprises a plurality of cells arranged side by side. The battery pack further comprises an inner frame, and the inner frame is located in the accommodating cavity and connected with the fixed frame. The inside casing includes inside casing main part and a plurality of sub-inside casing that sets up in the inside casing main part side by side, and each sub-inside casing is seted up and is used for holding the chamber of acceping of electric core. In this embodiment, the plurality of sub inner frames are connected to the inner frame main body in a snap-fit manner. The inner wall of inside casing main part inlays and is equipped with the heat conduction rubber ring, and the heat conduction rubber ring encircles a plurality of sub-inside casings and sets up, and heat conduction rubber ring elasticity butt in a plurality of sub-inside casings, makes the heat of the electric core of every battery module conduct to the inside casing fast through sub-inside casing, is conducted to fixed frame by the inside casing again, has improved the radiating efficiency of electric core.

In one embodiment, the inner frame is welded or glued to the fixed frame, so that heat of the inner frame can be rapidly conducted to the fixed frame, the heat dissipation efficiency of the battery pack is improved, the charge and discharge performance of the battery pack is further improved, and meanwhile, the inner frame is firmly connected with the fixed frame.

In order to improve the heat dissipation efficiency of the inner frame, in one embodiment, a plurality of heat dissipation air channels arranged side by side are formed in the bottom of the inner frame, so that the air flow entering the accommodating cavity partially dissipates heat of the inner frame through the heat dissipation air channels, the heat dissipation rate of the inner frame is improved, and the heat dissipation rate of the battery pack is further improved.

In one embodiment, the battery pack further comprises a heat dissipation fan, the heat dissipation fan is arranged on the shell body, and the heat dissipation fan is arranged close to the air outlet, so that air flow in the accommodating cavity is discharged through the air outlet, the heat exchange rate of air in the accommodating cavity is improved, and further the heat dissipation efficiency of the battery pack is improved.

In one embodiment, the battery pack further comprises a heat-conducting fixing plate, and the heat-conducting fixing plate is located in the accommodating cavity and connected with the shell body. The both ends of heat conduction fixed plate are connected with fixed frame respectively, make fixed frame's heat can also conduct to the shell body through heat conduction fixed plate and dispel the heat, have improved fixed frame's rate of heat dissipation. In this embodiment, the heat-conducting fixing plate is welded to the inner wall of the shell body, so that the heat-conducting fixing plate is firmly connected with the shell body. It can be understood that the heat-conducting fixing plate not only plays a role in heat conduction, the heat dissipation rate of the battery pack is greatly improved, and meanwhile the connection strength of the fixing frame and the shell body is enhanced.

In one embodiment, the battery pack further comprises a return pipe, the return pipe is located in the accommodating cavity, the first end of the return pipe is arranged adjacent to the heat dissipation fan, the second end of the return pipe is arranged adjacent to the wind shielding metal sheet, exhausted air is communicated to the wind shielding metal sheet, the temperature of airflow exhausted by the heat dissipation fan is fed back to the temperature of the wind shielding metal sheet, the heated supporting rod connected with the wind shielding metal sheet is adjusted in a feedback mode, the air inlet speed of the air inlet is adjusted, and therefore the adjustment of the rotation angle of the wind shielding metal sheet relative to the fixed frame is more accurate.

In one embodiment, the battery pack further comprises a suction pump body, the suction pump body is arranged on the return pipe, the suction pump body pumps the airflow at the first end of the return pipe to the second end of the return pipe, and the airflow part exhausted by the cooling fan is fed back to the wind shielding metal sheet to adjust the rotation angle of the wind shielding metal sheet more accurately, so that the adjustment precision of the battery pack is improved.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An elevator, comprising:

a frame;

the two ends of the lifting guide rod are connected with the rack;

the movable hanging piece is arranged on the sliding frame;

the first rotating shaft is rotatably connected to the rack;

2. The elevator as claimed in claim 1, wherein the driving mechanism comprises a motor, a driving wheel, a driven wheel and a transmission belt, the motor is mounted on the frame, the driving wheel is mounted on a power shaft of the motor, the driven wheel is sleeved on the first rotating shaft, and the transmission belt is sleeved on the driving wheel and the driven wheel respectively.

3. The elevator as claimed in claim 2, wherein the number of the first rotating shafts and the second rotating shafts is two, the two first rotating shafts are arranged in parallel, and the driven wheel is sleeved on one of the first rotating shafts; the two second rotating shafts are arranged in parallel; the power output end of the driving mechanism is connected with one of the first rotating shafts;

4. The elevator according to claim 1, wherein the belt driving assembly comprises a first pulley, a second pulley and a lifting belt, the first pulley is sleeved on the first rotating shaft, the second pulley is sleeved on the second rotating shaft, and the lifting belt is respectively sleeved on the first pulley and the second pulley; the lifting belt is connected with the sliding frame.

5. The lift of claim 4, wherein the carriage defines a mounting hole, and wherein the lift belt is disposed through the mounting hole and coupled to the carriage.

6. The elevator of claim 1, wherein the carriage comprises a carriage body, a connecting plate and a sliding sleeve, the connecting plate is connected with the carriage body, the connecting plate is provided with a through hole, the sliding sleeve is inserted into the through hole and connected with the connecting plate, and the sliding sleeve is further sleeved on the lifting guide rod and slidably connected with the lifting guide rod; the connecting plate is also connected with the belt transmission assembly.

7. The lift of claim 6, wherein the connection plate is welded to the carriage body.

8. The elevator according to claim 6, wherein the lifting guide rod comprises a guide rod body, a first fixing plate and a second fixing plate, two ends of the guide rod body are respectively connected with the first fixing plate and the second fixing plate, the first fixing plate is fixedly connected to the bottom of the frame, and the second fixing plate is fixedly connected to the top of the frame.

9. The lift of any one of claims 1 to 8, further comprising a plurality of roller assemblies, each mounted to a bottom of the frame.

10. A battery pack, characterized in that, the battery pack adopts the lift of any one of claims 1 to 9 to go up and down, the battery pack includes casing and link that link, the link articulates in the activity pendant.