CN210417929U

CN210417929U - Access mechanism with secondary lifting function

Info

Publication number: CN210417929U
Application number: CN201921474734.8U
Authority: CN
Inventors: 李�杰; 崔梅兰; 张春兰
Original assignee: Suzhou Iron Technology Co Ltd
Current assignee: Suzhou Iron Technology Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-04-28
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to an access mechanism with secondary lifting function, which comprises an access frame, a walking component arranged at the bottom of the access frame, and a first lifting component arranged on the access frame, wherein a second lifting component is arranged on the first lifting component, an access component for accessing articles is arranged on the second lifting component, the second lifting component is lifted or descended along with the movement of the first lifting component, and the access component is lifted or descended along with the movement of the second lifting component; the access assembly realizes horizontal movement of the articles. After adopting above-mentioned structure, can realize getting the thing on goods shelves and put automatically to the secondary promotion of article, can compromise the business turn over door body not receive the restriction of height when utilizing goods shelves top space, greatly increased the utilization ratio in space.

Description

Access mechanism with secondary lifting function

Technical Field

The utility model relates to a remove access car for accessing goods especially relates to an access mechanism with secondary lifting function.

Background

At present, with the rapid increase of hospital business volume in the medical industry, the traceability management requirements of medical consumables, particularly high-value consumables are enhanced, the original warehouse management mode cannot meet the actual working requirements, and a secondary library is required to be added, wherein the secondary library is a stock formed by the fact that each clinical department, auxiliary medical department and each ward is locked after receiving materials in the primary library of the hospital, relative to the primary library; however, the secondary library needs to be manually attended and checked regularly in use; at present, most of secondary storehouses of hospitals are realized by placing goods shelves in storehouses, refrigeration equipment is added for low-temperature storage, but when articles are taken and placed, manual searching and operation are needed, and manpower is wasted; at present, some automatic secondary warehouses are also adopted in the market, but the tops of transit door bodies between a storage area and a transit area are separated by air curtains, the passing height of a mobile trolley is determined, the top space of a goods shelf in the storage area is wasted, and the space utilization of a hospital is tense, particularly the hospital in the urban area, so that the space utilization rate is reduced, and the waste is caused.

Disclosure of Invention

The utility model aims to solve the technical problem that a can realize going up and down and improving space utilization's access mechanism that has secondary lifting function to the secondary of article is provided.

The utility model provides a technical scheme that its technical problem adopted is: a mobile access vehicle with a secondary lifting function comprises an access frame, a walking assembly arranged at the bottom of the access frame, and a first lifting assembly arranged on the access frame, wherein a second lifting assembly is arranged on the first lifting assembly, an access assembly for accessing articles is arranged on the second lifting assembly, the second lifting assembly ascends or descends along with the movement of the first lifting assembly, and the access assembly ascends or descends along with the movement of the second lifting assembly; the access assembly realizes horizontal movement of the articles.

More specifically, the first lifting assembly comprises a first chain wheel arranged on the storing and taking frame, a first chain matched with the first chain wheel and a first lifting motor for driving the first chain wheel to rotate, and the second lifting assembly is fixed on the first chain; the first chain wheel comprises a driving chain wheel and a driven chain wheel, and the driving chain wheel is driven by a first lifting motor.

Further specifically, the first lifting assembly comprises a first lifting rack arranged on the access frame, a first lifting motor arranged on the second lifting assembly, and a first lifting gear arranged on the shaft of the first lifting motor, and the first lifting gear is meshed with the first lifting rack.

Further specifically, a first guide rail is arranged on the access frame, a first sliding block is arranged on the second lifting assembly, and the first guide rail is matched with the first sliding block.

More specifically, the second lifting assembly comprises a first lifting frame which is lifted along with the movement of the first lifting assembly, a second chain wheel arranged on the first lifting frame, a second chain matched with the second chain wheel and a second lifting motor for driving the second chain wheel to rotate, and the access assembly is fixed on the second chain; the second chain wheel comprises a driving chain wheel and a driven chain wheel, and the driving chain wheel is driven by a second lifting motor.

Further specifically, the second lifting assembly comprises a first lifting frame which is lifted along with the movement of the first lifting assembly, a second lifting motor which is arranged on the first lifting frame, a second lifting gear which is arranged on a shaft of the second lifting motor, and a second lifting rack which is arranged on the access assembly, wherein the second lifting gear is meshed with the second lifting rack.

Further specifically, a second guide rail is arranged on the first lifting frame, a second sliding block is arranged on the access assembly, and the second guide rail is matched with the second sliding block.

More specifically, the access assembly includes a second lifting frame which is lifted along with the movement of the second lifting assembly, a first horizontal guide rail which is arranged on the second lifting frame, a first access board which moves on the first horizontal guide rail, and an access driving assembly which drives the first access board to move on the first horizontal guide rail.

Further specifically, the access driving assembly comprises an access motor arranged on the second lifting frame, an access gear arranged at the head of a shaft of the access motor, and an access rack fixed on the first access plate, wherein the access gear is meshed with the access rack.

A second horizontal guide rail is arranged on the first access plate, a second access plate is arranged on the second horizontal guide rail, and two driving rollers are respectively arranged at two end parts of the second access plate; each driving roller is provided with a driving belt; one end part of the driving belt is fixed on the second lifting frame, and the other end part of the driving belt is fixed on the second access plate; the driving roller realizes the extension and retraction of the second access plate by pushing a driving belt.

Further specifically, the walking assembly comprises a first rail arranged on the ground, a driving rack arranged on the first rail, a driving wheel arranged at the bottom of the storing and taking frame and matched with the first rail, a first driving motor arranged on the storing and taking frame and a driving gear arranged on the shaft of the first driving motor, wherein the driving gear is meshed with the driving rack.

Further specifically, the walking assembly comprises a driving wheel and a first driving motor, wherein the driving wheel is arranged at the bottom of the storing and taking frame, and the first driving motor enables the driving wheel to freely walk on the ground.

More specifically, a battery pack for supplying power to electric equipment on the access mechanism is arranged on the access frame.

The utility model has the advantages that: after adopting above-mentioned structure, can realize getting the thing on goods shelves and put automatically to the secondary promotion of article, can compromise the business turn over door body not receive the restriction of height when utilizing goods shelves top space, greatly increased the utilization ratio in space.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the combination structure of the moving mechanism and the storing and taking mechanism of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a schematic structural view of the shelf of the present invention;

FIG. 5 is a schematic structural view of the bottom frame of the present invention;

FIG. 6 is an enlarged schematic view of portion B of FIG. 5;

FIG. 7 is a schematic view of the assembly structure of the pallet and the tray of the present invention;

FIG. 8 is an enlarged schematic view of portion C of FIG. 7;

FIG. 9 is a schematic view of the sprocket and chain type access mechanism of the present invention;

FIG. 10 is an enlarged schematic view of portion D of FIG. 9;

FIG. 11 is a schematic side view of the sprocket and chain type access mechanism of the present invention;

fig. 12 is a schematic view of a second lifting assembly of the present invention in the form of a sprocket and chain;

FIG. 13 is a mechanical schematic view of a gear and rack type access structure according to the present invention;

FIG. 14 is a side view of the novel gear and rack type access mechanism of the present invention;

FIG. 15 is a schematic top view of the novel gear and rack type access mechanism of the present invention;

FIG. 16 is an enlarged schematic view of section E of FIG. 15;

figure 17 is a schematic view of a second lifting assembly in the form of a gear and rack according to the present invention;

fig. 18 is a schematic structural view of the secondary extending structure of the present invention;

fig. 19 is a schematic side view of the secondary extension structure of the present invention.

In the figure: 1. a library body; 2. a moving mechanism; 3. an access mechanism; 4. a shelf; 11. a storage area; 12. a transfer zone; 13. a transfer door body; 14. a delivery door body; 15. a small door; 16. a refrigeration device; 17. an air curtain; 21. a first track; 22. a second track; 23. connecting the rails; 231. a connecting plate; 232. connecting a slide rail; 233. moving the plate; 234. a moving guide rail; 235. positioning pins; 31. an access frame; 32. a first lifting assembly; 33. a second lifting assembly; 34. an access component; 35. a battery pack; 36. a first drive motor; 37. a drive gear; 321. a first sprocket; 322. a first chain; 323. a first lifting frame; 324. a first lift motor; 325. a first guide rail; 326. a first lifting gear; 327. a first lifting rack; 331. a second sprocket; 332. a second chain; 333. a second lifting frame; 334. a second lift motor; 335. a second guide rail; 336. a second lifting gear; 337. a second lifting rack; 342. a first horizontal guide rail; 343. a first access panel; 344. accessing the motor; 345. a second horizontal guide rail; 346. a second access panel; 347. driving the roller; 348. a drive belt; 41. a bottom frame; 42. a top frame; 43. a Y-axis rod; 44. a support plate; 45. a support bar; 46. an X-axis rod; 47. a Y-axis rod; 48. a connecting member; 49. a horizontal adjusting foot; 481. a fixing plate; 482. reinforcing ribs; 410. a tray; 411. a second protrusion; 441. a vertical plate; 442. a transverse plate; 443. a first sloping plate; 444. t-shaped bolts; 445. a first protrusion.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 shows a low-temperature intelligent access secondary library for storing, picking and placing articles, comprising:

the warehouse body 1 is used for storing articles, a working space is enclosed by a wall body, the working space is divided into a storage area 11 and a transfer area 12 by the wall body, the storage area 11 occupies a large space, the transfer area 12 occupies a small space, the wall body is provided with a plurality of transfer door bodies 13, the transfer door bodies 13 can be one, two, three or even more transfer door bodies 13 according to the actual occupied area, the top of each transfer door body 13 is provided with an air curtain 17, when the transfer door bodies 13 are opened, the air curtains 17 are opened to isolate the temperature difference between the storage area 11 and the transfer area 12, a plurality of shelves 4 are arranged in the storage area 11, and the articles are stacked on the shelves 4 according to the category; a refrigerating device 16 is arranged in the storage area 11, a delivery door body 14 is arranged on the transit area 12, and the delivery door body 14 is communicated with the interior of the transit area 12 and the exterior of the warehouse body 1; meanwhile, a small door 15 can be arranged on the delivery door body 14 for specially transferring articles, the main function of the small door 15 is to ensure the temperature inside the transfer area 12, and the delivery door body 14 can be opened for entering when manual maintenance is needed.

As shown in fig. 4 and 5, the shelf 4 is formed by splicing and combining a plurality of sectional materials and connecting pieces 48, the plurality of sectional materials include a plurality of X axial rods 46, a plurality of Y axial rods 47 and a plurality of Z axial rods 43, the plurality of X axial rods 46 and the plurality of Y axial rods 47 are spliced and combined into a top frame 42 and a bottom frame 41, the top frame 42 and the bottom frame 41 are supported by the plurality of Z axial rods 43, a material placing platform is arranged between the plurality of Z axial rods 43, and the Z axial rods 43 on the periphery of the shelf 4 are fixedly supported by supporting rods 45; the top frame 42 and the bottom frame 41 have the same structure and comprise a plurality of X axial rods 46 arranged in parallel and a plurality of Y axial rods 47 vertically arranged on the X axial rods 46, the Z axial rods 43 are arranged on the Y axial rods 47 and are vertical to the Y axial rods 47, and the space between the X axial rods 46 and the Y axial rods 43 and the space between the Y axial rods 47 and the Z axial rods 43 are fixed through connecting pieces 48; the X axial rod 46, the Y axial rod 47 and the Z axial rod 43 are all a whole section bar, namely a whole section bar is arranged at the same installation position of the X axial direction, the Y axial direction and the Z axial direction; the whole section bar only has axial deformation at low temperature, so the phenomenon of up-and-down dislocation can not occur.

As shown in fig. 6, the connecting member 48 between the X-axis rod 46, the Y-axis rod 47 and the Z-axis rod 43 includes two fixing plates 481 perpendicular to each other, fixing holes provided in the fixing plates 481, and a reinforcing rib 482 positioned between the two fixing plates 481, the fixing plates 481 pass through the fixing holes through bolts to connect adjacent profiles, the fixing holes are round holes or waist holes, two round holes or waist holes are provided in parallel on a single fixing plate 481, and are fixed by bolts in combination with T-shaped grooves on the profiles, so that the fixing at any position of the profiles can be facilitated, and the space size at a single position can be adjusted according to the size of goods; the connecting part 48 is arranged at the joint of the X axial rod 46 and the Y axial rod 47 through two sides to improve the stability, and the connecting part 48 is arranged at the joint of the Y axial rod 47 and the Z axial rod 43 through two sides to improve the stability.

Based on the structure, when automatic storing and taking are adopted, in order to improve the storing and taking efficiency of the storing and taking mechanism 3, the goods shelves 4 are arranged on two sides of the motion track of the storing and taking mechanism 3, in order to ensure the stability of the goods shelves 4 on two sides, the goods shelves 4 on two sides are combined into a combined structure of the goods shelves, and the structure is connected through a whole section bar and is more stable; with the above-described configuration, the top frame 42 and the bottom frame 41 of both the racks 4 may be the same top frame 42 and the same bottom frame 41, and a plurality of racks 4 may be combined by the same top frame 42 and the same bottom frame 41 as necessary.

The emptying platform shown in fig. 7 and 8 comprises a supporting plate 44 mounted on the shelf 4 and a tray 410 arranged on the supporting plate 44, wherein the shelf 4 is formed by splicing sectional materials, the supporting plate 44 is designed into a plurality of pieces according to requirements, a plurality of upward first protrusions 445 are arranged on the supporting plate 44, and the tray 410 is supported by the plurality of first protrusions 445 and is not in contact with the upper surface of the supporting plate 44; the first protrusion 445 completely supports the tray 410, so that large-area freezing in the low-temperature refrigerator is avoided, and the access mechanism can be easily taken down when the tray 410 is taken out. The supporting plate 44 can be in various forms, such as an integrated supporting plate connected to two sides of the shelf 4, or a split supporting plate, in the scheme, in order to facilitate the taking and placing of the access mechanism 3, the split supporting plate is adopted for working, and the supporting plate 44 comprises a left supporting plate and a right supporting plate which are identical in structure, but need to be symmetrically installed when being installed; the left and right pallets include a vertical plate 441 fixed to the shelf 4, a horizontal plate 442 supporting the tray 410, and a first inclined plate 443 connecting the vertical plate 441 and the horizontal plate 442, and the first protrusion 445 is provided on the upper surface of the horizontal plate 442; the angle value of the first inclined plate 443 is designed according to needs, and the angle value is the angle value between the first inclined plate 443 and the vertical plate 441; when the tray 410 is shallow, the angle value is designed to be large, so that the transverse plate 442 leans against the upper part, more supporting plates 44 can be arranged in the same vertical direction of the shelf 4 to be combined with the tray 410, and the utilization rate of space can be improved well; when the tray 410 is deep, the angle value is designed to be small and can be designed to be L-shaped; in the scheme, the depth of the tray 410 is moderate, so that the included angle between the first inclined plate 443 and the vertical plate 441 is designed to be 17 degrees, and the space of the shelf 4 can be well utilized within the angle; the effect of riser 441 mainly carries out fixed connection with goods shelves 4, passes through bolted connection between goods shelves 4 and the riser 441, the bolt be T style of calligraphy bolt 444 the layer board 44 on set up the fixed orifices and utilize T type groove on the section bar passes through T style of calligraphy bolt 444 to be fixed, through the cooperation of T type groove and T style of calligraphy bolt 444, can very conveniently adjust the position of layer board 44.

In order to reduce the freezing area again, the first protrusion 445 can be designed as required, the first protrusion 445 mainly has two forms, the first is a strip-shaped protrusion which can be arranged on the surface of the transverse plate 442 in parallel or in a criss-cross manner, meanwhile, the cross section of the strip-shaped protrusion is ensured to be a trapezoidal structure with a wide bottom and a narrow top, and the tray 410 is directly placed on the trapezoidal narrow surface; the second type is a dot-shaped protrusion, which is arranged on the surface of the transverse plate 442 in an array manner, and the cross section of the dot-shaped protrusion is also in a trapezoidal structure with a wide bottom and a narrow top, so that the freezing area of the dot-shaped protrusion is further reduced compared with that of the strip-shaped protrusion. Based on the strip-shaped protrusion or the dot-shaped protrusion, an arc-shaped surface is arranged on the trapezoidal narrow surface of the strip-shaped protrusion or the dot-shaped protrusion, so that the contact area between the supporting plate 44 and the tray 410 is further reduced, and meanwhile, the tray 410 cannot be damaged by the arc-shaped surface.

The tray 410 is mainly used for containing articles, and the tray 410 is composed of four side plates and a bottom plate, and an accommodating cavity is formed between the four side plates and the bottom plate; further in order to be conveniently matched with the first inclined plate 443 of the supporting plate 44, the side plate consists of an upper baffle plate and a lower second inclined plate, the inclined angles of the first inclined plate 443 and the second inclined plate are the same, and the transition area between the side plate and the bottom plate is designed into a round angle; further to realize the positioning of the corresponding articles, a plurality of upward second protrusions 411 are arranged on the bottom plate.

As shown in fig. 2 and 3, the moving mechanism is used for transferring articles between the transfer area 12 and the storage area 11, a first rail 21 is arranged on the ground corresponding to the transfer door body 13 in the storage area 11, a second rail 22 is arranged in the transfer area 12, the first rail 21 is perpendicular to the second rail 22, a connecting rail 23 which can be connected with the first rail 21 is arranged on the second rail 22, and the goods shelf 4 is arranged beside the first rail 21; the connecting track 23 comprises a connecting plate 231 arranged on the second track 22, a connecting slide rail 232 arranged on the connecting plate 231, a moving plate 233 arranged on the connecting slide rail 232, a moving guide rail 234 arranged on the moving plate 233 and a connecting motor for driving the moving plate 233 to move, wherein the moving guide rail 234 can be in sliding communication with the first track 21; the connecting plate 231 slides on the second track 22, the sliding power of the connecting plate is provided by a second driving motor, and the driving mode can be a gear and rack structure; two positioning pins 235 extend out of the end of the first rail 21, two positioning holes are formed in the end of the movable guide rail 234, and the positioning holes are matched with the positioning pins 235, so that the first rail 21 can be aligned with the movable guide rail 234, and the access mechanism 3 can be guaranteed to move on the movable guide rail 234 and the first rail 21 smoothly.

As shown in fig. 9 to 17, the access mechanism 3 is used for storing or taking out articles from the shelf 4, the access mechanism 3 includes an access frame 31, a walking component arranged at the bottom of the access frame 31, and a first lifting component 32 arranged on the access frame 31, a second lifting component 33 is arranged on the first lifting component 32, an access component 34 for accessing articles is arranged on the second lifting component 33, the second lifting component 33 is lifted or lowered along with the movement of the first lifting component 32, and the access component 34 is lifted or lowered along with the movement of the second lifting component 33; the access assembly 34 realizes horizontal movement of the articles; when storing articles, firstly, the articles are placed on the access assembly 34, the walking assembly drives the access mechanism 3 to move to a designated position, and at the moment, if the position of the articles stored on the shelf 4 is low, only the first lifting assembly 32 needs to move to the required position, and the access assembly 34 is controlled to extend out to place the articles on the shelf 4; if the position of the article stored on the shelf 4 is high, firstly, the first lifting assembly 32 is controlled to move, so that the second lifting assembly 33 and the access assembly 34 move to the topmost end of the first lifting assembly 32, the second lifting assembly 33 starts to move to bring the access assembly 34 to move upwards continuously to a required position, and the access assembly 34 extends to place the article on the shelf 4; when the article is taken out, the article is taken out through the cooperation of the first lifting assembly 32, the second lifting assembly 33 and the access assembly 34. When the articles are stored, the articles are moved to a height slightly higher than the storage position, and the articles are stored by the descending action of the first lifting assembly 32 or the second lifting assembly 33 after the access assembly 34 is extended; when the article is taken out, the position of the access component 34 is moved to a height slightly lower than the storage position by the first lifting component 32 or the second lifting component 33, the access component 34 is extended to be below the article, then the article is separated from the shelf 4 by the upward movement of the first lifting component 32 or the second lifting component 33, and the access component 34 is retracted to complete the taking-out task.

Based on the above structure and movement manner, the first lifting assembly 32 has two structural forms in practical use, a sprocket and chain combination, a gear and rack combination, and a first sprocket and chain combination, as shown in fig. 9 to 11, the first lifting assembly 32 includes a first sprocket 321 disposed on the access frame 31, a first chain 322 engaged with the first sprocket 321, and a first lifting motor 324 driving the first sprocket 321 to rotate, the first sprocket 321 includes a driving sprocket and a driven sprocket, and the driving sprocket is driven by the first lifting motor 324; in the second gear and rack combination, as shown in fig. 13 to 16, the first lifting assembly 32 includes a first lifting rack 327 disposed on the access frame 31, a first lifting motor 324 disposed on the second lifting assembly 33, and a first lifting gear 326 disposed on a shaft of the first lifting motor 324, and the first lifting gear 326 is engaged with the first lifting rack 327. The second lifting assembly 33 also has two structural forms of a sprocket and chain combination and a gear and rack combination, the first sprocket and chain combination is used, as shown in fig. 12, the second lifting assembly 33 includes a first lifting frame 323 which is lifted along with the movement of the first lifting assembly 32, a second sprocket 331 which is arranged on the first lifting frame 323, a second chain 332 which is matched with the second sprocket 331, and a second lifting motor 334 which drives the second sprocket 331 to rotate, the second sprocket 331 includes a driving sprocket and a driven sprocket, and the driving sprocket is driven by the second lifting motor 334; in a second gear and rack combination, as shown in fig. 17, the second lifting assembly 33 includes a first lifting frame 323 lifted with the first lifting assembly 32, a second lifting motor 334 disposed on the first lifting frame 323, a second lifting gear 336 disposed on the shaft of the second lifting motor 334, and a second lifting rack 337 disposed on the access assembly 34, wherein the second lifting gear 336 is engaged with the second lifting rack 337. The access assembly 34 includes a second lifting frame 333 which is lifted up as the second lifting assembly 33 moves, a first horizontal rail 342 which is disposed on the second lifting frame 333, a first access plate 343 which moves on the first horizontal rail 342, and an access driving assembly which drives the first access plate 343 to move on the first horizontal rail 342; the access driving assembly includes an access motor 344 disposed on the second lifting frame 333, an access gear disposed at a shaft head portion of the access motor 344, and an access rack fixed to the first access plate, the access gear being engaged with the access rack.

The first lifting assembly 32 with the combination of the sprocket and the chain moves, first the first lifting motor 324 drives the driving sprocket of the first sprocket 321 to rotate and drive the first chain 322 to drive the driven sprocket to move, and the first lifting frame 323 in the second lifting assembly 33 is fixed on the first chain 322 and drives the first lifting frame 323 to ascend or descend along with the movement of the first chain 322. In the movement of the gear and rack combined first lifting assembly 32, first the first lifting motor 324 drives the first lifting gear 326 to rotate, and the first lifting gear 326 is engaged with the first lifting rack 327, so that the first lifting gear 326 drives the first lifting frame 323 in the second lifting assembly 33 to move on the first lifting rack 327 to realize lifting.

Further, in order to ensure the stability of the movement of the first lifting frame 323, a first guide rail 325 is arranged on the access frame 31, the first guide rail 325 is vertically fixed, a first slider is arranged on the first lifting frame 323, the first slider and the first guide rail 325 are matched to realize the up-and-down movement on the first guide rail 325, and four groups of combinations of the first guide rail 325 and the first slider are respectively arranged at two sides of the first lifting frame 323; further, in order to improve the smoothness of the movement of the first slider in the first guide rail 325, a roller is provided at the bottom of the first slider, and the roller is in contact with the first guide rail 325 to realize rolling friction.

In the movement of the second lifting assembly 33 with the combination of the sprocket and the chain, firstly, the second lifting motor 334 drives the driving sprocket of the second sprocket 331 to rotate and drive the second chain 332 to drive the driven sprocket to move, and the second lifting frame 333 in the access assembly 34 is fixed on the second chain 332 and drives the second lifting frame 333 to ascend or descend along with the movement of the second chain 332. In the movement of the gear and rack combined second lifting assembly 33, the second lifting motor 334 drives the second lifting gear 336 to rotate, and the second lifting gear 336 is engaged with the second lifting rack 337, so that the second lifting rack 337 drives the second lifting frame 333 in the access assembly 34 to move along with the second lifting rack 337 to lift.

Further, in order to ensure the stability of the movement of the second lifting frame 333, the second guide rail 335 is arranged on the first lifting frame 323, the second guide rail 335 is vertically fixed, the second lifting frame 333 is provided with a second sliding block, the second sliding block and the second guide rail 335 are matched to realize the up-and-down movement, and meanwhile, the bottom of the second sliding block is provided with a roller to realize the rolling friction, so that the smoothness is improved.

When the access assembly 34 moves, the access motor 344 drives the access gear to rotate, the access gear drives the access rack to drive the first access plate 343 to extend, and the first access plate 343 moves along the first horizontal rail 342 to deliver and retrieve the articles. As shown in fig. 18 and 19, based on the primary extending structure of the access assembly 34, in order to increase the extending dimension of the extending end, a secondary extending structure is designed, which is implemented based on the primary extending structure, a second horizontal rail 345 is arranged on the first access plate 343, a second access plate 346 is arranged on the second horizontal rail 345, a driving roller 347 is arranged at each end of the second access plate 346, and a driving belt 348 is arranged on each driving roller 347; one end of the driving belt 348 is fixed to the second lifting frame 333, and the other end is fixed to the second access plate 346, and the fixed ends are located at one side of the second access plate 346; the drive roller 347 extends and retracts the second access panel 346 by pushing the drive belt 348. When the secondary extending structure needs to extend, firstly, the first access plate 343 performs the extending action, and the driving roller 347 at the extending end side of the first access plate 343 pushes the driving belt 348 to expand, and the driving belt 348 pulls the second access plate 346 to perform the extending action; when the secondary extended structure needs to be retracted, the first access panel 343 performs the retracting action, and the driving roller 347 at the other side of the second access panel 346 pushes the other driving belt 348 to be extended, so that the driving belt 348 performs the retracting action of the second access panel 346; the purpose of having both sides extendable is also achieved by positioning a drive belt 348, which in this case is a chain, 348.

In order to realize the movement of the access mechanism 3, the movement mode of the access mechanism 3 can be various, and the access mechanism is mainly divided into two modes, namely a rail mode and a roller mode; the first track type comprises a driving rack arranged on the first track 21, a driving wheel arranged at the bottom of the access frame 31 and matched with the first track 21, a first driving motor 36 arranged on the access frame 31 and a driving gear 37 arranged on the shaft of the first driving motor 36, wherein the driving gear 37 is meshed with the driving rack, the first driving motor 36 drives the driving gear 37 to rotate, the driving gear 37 is matched with the driving rack to enable the access frame 31 to move on the first track 21, and the driving wheel is matched with the first track 21 to guide the access mechanism 3; the second roller type includes a driving wheel and a driving motor, which are disposed at the bottom of the storing and taking frame 31, and the driving motor enables the driving wheel to freely walk on the ground, so that the freedom degree of walking can be arbitrarily increased.

Since the accessing mechanism 3 needs to operate at a temperature of-40 ° and it is inconvenient to access the line from the outside, a battery pack 35 for supplying power to the electric devices on the accessing mechanism 3 is provided on the accessing frame 31, and the battery pack 35 can supply power to the first elevating motor 324, the second elevating motor 334, the accessing motor 344 and the driving motor 36; meanwhile, a charging station for charging the battery pack 35 is arranged in the transit area 12, the charging pack 35 is a lithium battery in the scheme, and a heat insulation layer is arranged outside the lithium battery.

Further, in order to realize automatic control of storing and taking out articles, signal transmitters are arranged in the storage area 11 and the transfer area 12, signal receivers are arranged on the access mechanism 3, the signal transmitters and the signal receivers are matched for application, and the signal transmitters are connected to a control terminal arranged outside the warehouse body 1 through cables.

The low-temperature intelligent access secondary warehouse does not need manual operation, and the actions of storing and taking out articles can be finished by adopting a machine to carry out intelligent operation; when articles need to be stored, the access mechanism 3 moves on the second track 22 to the front of the delivery door body 14, the small door 15 on the delivery door body 14 is opened, the access assembly 34 on the access mechanism 3 extends out at the moment, an operator places the articles on the access assembly 34, after the access assembly 34 detects the articles, the control end transmits signals to the access mechanism 3 through the signal transmitter positioned in the transit area 12, the access mechanism 3 controls the access assembly 34 to retract, and the small door 15 is closed; a signal emitter in the transit zone 12 sends a second driving motor, the second driving motor drives a connecting plate 231 to slide on a second rail 22, the connecting plate 231 drives a connecting slide rail 232, a moving plate 233, a moving guide rail 234 and the moving motor to slide to a designated transit door body 13 and stop, a control end controls an air curtain 17 above the transit door body 13 to open the transit door body 13 after opening, and then controls the moving motor to drive the moving plate 233 to move and contact with the first rail 21 to form integral connection; the control end controls the first driving motor 36 to rotate, so that the access mechanism 3 moves from the moving guide rail 234 to the first rail 21, after the access mechanism 3 completely passes through the transfer door body 13, the control end controls the transfer door body 13 and the air curtain 17 to be closed, the access mechanism 3 moves to a designated storage rack 4 position, the control end communicates with the access mechanism 3 through a signal transmitter in the storage area 11, the access mechanism 3 is controlled to place articles into the storage rack 4, after storage is completed, the access mechanism 3 moves to the transfer area 12 through the control end for next use, and when the transfer area is reached, the access mechanism 3 moves to a charging station through the second rail 22 to charge the lithium battery; when articles need to be taken out, the control end transmits a signal through a signal transmitter in the transit area 12 to control the access mechanism 3 to enter the storage area 11 through the second rail 22, the air curtain 17, the transit door body 13, the connecting rail 23 and the first rail 21, the articles are taken out from the goods shelf 4 in the storage area 11 through controlling a motor in the access mechanism 3, then the articles are transported to the shipment door body 14 through the first rail 21, the connecting rail 23 and the second rail 22, the small door 15 is opened, the access assembly 34 stretches out the articles out of the small door 15, an operator takes down the articles, the access assembly 34 retracts, the access mechanism 3 integrally moves to a charging station to be charged, and the next task is waited.

To sum up, through the use of above-mentioned intelligent access secondary storehouse, do not need manual operation, realized the secondary lift of article simultaneously through second hoist mechanism, can make full use of 4 headspace on goods shelves under the form that do not change overall structure, improve the quantity of storage area 11 storage goods to realized freely passing in and out the transit door body 13, be furnished with battery package 35 simultaneously and provide power, be fit for using at low temperature.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. An access mechanism with a secondary lifting function comprises an access frame (31), a walking assembly arranged at the bottom of the access frame (31), and a first lifting assembly (32) arranged on the access frame (31), and is characterized in that a second lifting assembly (33) is arranged on the first lifting assembly (32), an access assembly (34) for accessing articles is arranged on the second lifting assembly (33), the second lifting assembly (33) ascends or descends along with the movement of the first lifting assembly (32), and the access assembly (34) ascends or descends along with the movement of the second lifting assembly (33); the access assembly (34) enables horizontal movement of the articles.

2. The access mechanism with the secondary lifting function according to claim 1, wherein the first lifting assembly (32) comprises a first chain wheel (321) disposed on the access frame (31), a first chain (322) engaged with the first chain wheel (321), and a first lifting motor (324) driving the first chain wheel (321) to rotate, and the second lifting assembly (33) is fixed on the first chain (322); the first chain wheel (321) comprises a driving chain wheel and a driven chain wheel, and the driving chain wheel is driven by a first lifting motor (324).

3. The accessing mechanism with secondary lifting function according to claim 1, wherein the first lifting assembly (32) comprises a first lifting rack (327) disposed on the accessing frame (31), a first lifting motor (324) disposed on the second lifting assembly (33), and a first lifting gear (326) disposed on a shaft of the first lifting motor (324), and the first lifting gear (326) is engaged with the first lifting rack (327).

4. The mechanism of claim 2 or 3, wherein a first guide rail (325) is provided on the access frame (31), a first slider is provided on the second lifting assembly (33), and the first guide rail (325) is engaged with the first slider.

5. The mechanism of claim 1, wherein the second lifting assembly (33) comprises a first lifting frame (323) which is lifted with the movement of the first lifting assembly (32), a second chain wheel (331) which is arranged on the first lifting frame (323), a second chain (332) which is matched with the second chain wheel (331), and a second lifting motor (334) which drives the second chain wheel (331) to rotate, and the access assembly (34) is fixed on the second chain (332); the second chain wheel (331) comprises a driving chain wheel and a driven chain wheel, and the driving chain wheel is driven by a second lifting motor (334).

6. The accessor mechanism with secondary lifting function according to claim 1, wherein the second lifting assembly (33) comprises a first lifting frame (323) which is lifted with the movement of the first lifting assembly (32), a second lifting motor (334) which is arranged on the first lifting frame (323), a second lifting gear (336) which is arranged on the shaft of the second lifting motor (334), and a second lifting rack (337) which is arranged on the accessor assembly (34), and the second lifting gear (336) is engaged with the second lifting rack (337).

7. The mechanism of claim 5 or 6, wherein a second guide rail (335) is provided on the first lifting frame (323), a second slider is provided on the access assembly (34), and the second guide rail (335) is engaged with the second slider.

8. The accessor mechanism with the secondary lifting function according to claim 1, wherein the accessor assembly (34) comprises a second lifting frame (333) which is lifted up along with the movement of the second lifting assembly (33), a first horizontal guide rail (342) which is provided on the second lifting frame (333), a first accessor plate (343) which moves on the first horizontal guide rail (342), and an accessor driving assembly which drives the first accessor plate (343) to move on the first horizontal guide rail (342).

9. The mechanism of claim 8, wherein the access driving assembly comprises an access motor (344) disposed on the second lifting frame (333), an access gear disposed at a shaft head of the access motor (344), and an access rack fixed to the first access plate (343), the access gear meshing with the access rack.

10. The accessor mechanism with the secondary lifting function according to claim 9, wherein a second horizontal guide rail (345) is arranged on the first access panel (343), a second access panel (346) is arranged on the second horizontal guide rail (345), and a driving roller (347) is arranged at each end of the second access panel (346); each driving roller (347) is provided with a driving belt (348); one end of the driving belt (348) is fixed on the second lifting frame (333), and the other end is fixed on the second access plate (346); the drive roller (347) extends and retracts the second access panel (346) by pushing the drive belt (348).

11. The mechanism of claim 1, wherein the traveling assembly comprises a first rail (21) disposed on the ground, a driving rack disposed on the first rail (21), a driving wheel disposed at the bottom of the access frame (31) and engaged with the first rail (21), a first driving motor (36) disposed on the access frame (31), and a driving gear (37) disposed on the shaft of the first driving motor (36), wherein the driving gear (37) is engaged with the driving rack.

12. The mechanism of claim 1, wherein the traveling assembly comprises a driving wheel disposed at the bottom of the access frame (31) and a first driving motor (36), the first driving motor (36) enabling the driving wheel to freely travel on the ground.

13. The access mechanism with secondary lifting function according to claim 1, characterized in that a battery pack (35) for supplying power to the electric equipment on the access mechanism is arranged on the access frame (31).