CN115535514A - Material box lifting machine - Google Patents
Material box lifting machine Download PDFInfo
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- CN115535514A CN115535514A CN202211545322.5A CN202211545322A CN115535514A CN 115535514 A CN115535514 A CN 115535514A CN 202211545322 A CN202211545322 A CN 202211545322A CN 115535514 A CN115535514 A CN 115535514A
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- toothed belt
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- 239000000463 material Substances 0.000 title claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims description 13
- 239000000872 buffer Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000012938 design process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/0407—Storage devices mechanical using stacker cranes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention relates to the technical field of logistics storage, in particular to a material box lifting machine which comprises a goods carrying platform guide rail, a lifting driving assembly, a goods carrying platform assembly, an upper frame assembly, a toothed belt and a balance weight. According to the invention, the goods carrying table guide rail is directly arranged on the storage goods shelf connecting beam, so that a stable frame structure can be formed, the lifting height of the bin elevator can be randomly configured along with the height of the storage goods shelf, the elevator frame upright post guide rail is not required to be arranged, the influence of the rigidity of the elevator frame upright post guide rail is not limited, the problems that the main body frame upright post of the elevator is difficult to splice and install and the overall structure stability of the main body frame of the elevator is influenced are avoided, and the problem that the bin height is inconvenient to expand along with the increase of the bin space height is solved. The invention also solves the safety problem that the goods carrying platform stalls and falls only by relying on the safety redundancy of the toothed belt in most of the existing bin hoists through the arrangement of the anti-falling protection module, and increases the reliability and the safety of the system.
Description
Technical Field
The invention relates to the technical field of logistics storage, in particular to a material box elevator.
Background
At present, storage schemes for bins in the field of logistics storage mainly include a bin stacker scheme and a multi-layer shuttle system scheme. The multi-layer shuttle system has become a mainstream solution for storage of the material box warehouse due to the characteristics of high storage density, flexible scheme arrangement, high warehouse entry and exit efficiency, easiness in expansion and the like.
The multi-layer shuttle vehicle system mainly comprises storage racks, the multi-layer shuttle vehicle, a material box lifting machine, a matched conveyor and the like. The scheme is characterized in that: the workbin is conveyed to the warehouse entering (discharging) position through the conveying line, and then is lifted to the designated layer on the goods shelf through the workbin lifter, and is transferred to the multi-layer shuttle picking position on the goods shelf through the platform conveyor on the goods shelf. The multi-layer shuttle car runs on the goods shelf track of each layer, so that the storage operation of the material box from the goods taking position to the storage position on the goods shelf is realized, or conversely, the material box is transported from the storage position to the goods taking position to carry out the storage operation.
The material box elevator is one of key core devices for realizing the material box warehousing and ex-warehouse of the multilayer shuttle vehicle system, the operation efficiency of the material box elevator directly influences the warehousing and ex-warehouse efficiency of the system, and the stability, safety and reliability of the operation of the material box elevator directly influence the stability, safety and reliability of the system.
At present, the structure forms of various systems of the bin elevator are different according to different technical routes of manufacturers. The main body frame of the elevator adopts the forms of specially-made aluminum section upright posts, section steel and the like. The scheme of the specially-made aluminum profile upright post is high in cost, and meanwhile, when the requirement of high storage area (more than 10 meters) is met, the problem that the aluminum profile upright post of the main body frame of the elevator is difficult to splice and install exists, the main body frame of the elevator in the form is inconvenient to connect and attach with the multiple warehouse-through goods shelves, and therefore the section of the aluminum profile upright post needs to be increased in order to ensure the stability of the whole structure of the main body frame of the elevator along with the increase of the height of the storage area. The above problems are also present with frames in the form of profiled bars.
Disclosure of Invention
The invention aims to provide a material box lifting machine, which aims to solve the problems that when the existing lifting machine main body frame is adapted to a higher goods shelf, the generated upright posts of the lifting machine main body frame are difficult to splice and install and the stability of the whole structure of the lifting machine main body frame is influenced.
The purpose of the invention is realized by the following technical scheme:
a material box lifter comprises a goods carrying table guide rail, a lifting driving assembly, a goods carrying table assembly, an upper frame assembly, a toothed belt and a counterweight;
the goods carrying table guide rail is arranged on a storage shelf connecting beam of the storage shelf and is used for lifting and guiding the goods carrying table assembly;
the lifting driving assembly is arranged on the ground, the upper frame assembly is arranged on the upper portion of the storage shelf and corresponds to the lifting driving assembly up and down, the lifting driving assembly comprises a lifting driving piece and a belt wheel A, the upper frame assembly comprises a belt wheel B, one end of a toothed belt bypasses the belt wheel B to be connected with the goods carrying table assembly, the other end of the toothed belt bypasses the belt wheel A to be connected with the goods carrying table assembly, the balance weight is arranged at a position, far away from one side of the goods carrying table assembly, on the toothed belt, and the toothed belt is meshed with the belt wheel A and the belt wheel B respectively;
the lifting driving piece drives the belt pulley A to rotate so as to drive the toothed belt to rotate, and the belt pulley B is driven by the toothed belt to rotate together; the toothed belt rotates to drive the cargo carrying platform assembly and the counter weight to lift respectively, and the lifting direction of the cargo carrying platform assembly is opposite to that of the counter weight.
The invention also comprises a counterweight guide rail, wherein the counterweight guide rail is arranged on the storage goods shelf connecting beam and is used for lifting and guiding the counterweight.
The lifting driving assembly further comprises a fixed base plate and a belt wheel installation frame A, the fixed base plate is fixedly installed on the ground, the lifting driving piece and the belt wheel installation frame A are installed on the fixed base plate respectively, at least two belt wheels A are installed on the belt wheel installation frame A, the driving end of the lifting driving piece is connected with a wheel shaft of one of the belt wheels A, and the toothed belt sequentially bypasses the belt wheels A.
The fixed bottom plate is provided with a plurality of guide rail fixing plates, and each guide rail fixing plate is connected with the bottom end of the corresponding cargo carrying platform guide rail.
And the fixed bottom plate is provided with a plurality of buffers A.
The upper frame assembly further comprises an upper frame main body and a belt wheel installation frame B, a plurality of installation plates are arranged at the bottom of the upper frame main body and are respectively installed on the upper portion of the storage shelf through screws, the belt wheel installation frame B is installed on the upper frame main body, at least two belt wheels B are installed on the belt wheel installation frame B, and the toothed belt sequentially bypasses the belt wheels B.
The bottom of the upper frame main body is also provided with a plurality of buffers B.
The goods carrying platform assembly comprises a goods carrying platform main frame, a goods carrying platform supporting frame, a goods carrying platform conveyor, a toothed belt pressing plate and an anti-falling protection module, wherein the goods carrying platform conveyor is arranged on the goods carrying platform supporting frame and used for directly bearing and conveying a material box, the goods carrying platform supporting frame, the toothed belt pressing plate and the anti-falling protection module are respectively connected with the goods carrying platform main frame, the anti-falling protection module is connected with one end of the toothed belt, and the toothed belt pressing plate fixes the other end of the toothed belt on the goods carrying platform main frame.
The left side surface and the right side surface of the main frame of the cargo carrying platform are respectively provided with a plurality of groups of guide clamping wheel groups, each group of guide clamping wheel group comprises two guide clamping wheels, the two guide clamping wheels of each group of guide clamping wheel groups are respectively positioned at two sides of a corresponding cargo carrying platform guide rail and roll along the surface of the cargo carrying platform guide rail, and the axial central lines of the guide clamping wheels are parallel to each other;
the left side surface and the right side surface of the main frame of the cargo carrying platform are respectively provided with a plurality of top wheels, the axial center lines of the top wheels are parallel to each other, the horizontal plane projection of the axial center lines of the top wheels is vertical to the horizontal plane projection of the axial center lines of the guide clamping wheels, and the top wheels roll on the surfaces of the adjacent guide rails of the cargo carrying platform respectively.
The invention also comprises a plurality of supporting beams arranged on the storage shelf;
the anti-falling protection module comprises an anti-falling protection module main frame, a lifting bracket, a guide post, a floating shaft, an anti-falling baffle, a fixed shaft and a reset spring;
the anti-falling protection device comprises a main frame of an anti-falling protection module, a fixed shaft, a lifting support, a reset spring, a lifting support, a toothed belt, a fixing shaft, a floating shaft, a reset spring and a lifting support, wherein the main frame of the anti-falling protection module is arranged on the main frame of the loading platform, the fixed shaft is arranged on the main frame of the anti-falling protection module, the floating shaft is arranged on the inner side of the main frame of the anti-falling protection module, the axial center line of the floating shaft is parallel to the axial center line of the fixed shaft, a plurality of guide posts are arranged on the floating shaft in a penetrating manner, the upper end of each guide post penetrates through the top surface of the main frame of the anti-falling protection module and is connected with the lifting support, the lifting support is connected with one end of the toothed belt, the reset spring is sleeved on each guide post between the floating shaft and the main frame of the anti-falling protection module, a shaft shoulder used for blocking the floating shaft is arranged on each guide post on the lower side of the floating shaft, one end of the anti-falling baffle is also connected with one end of the anti-falling baffle, and a kidney-falling baffle is provided with a kidney-falling hole for the fixed shaft to penetrate through;
when the lifting device works normally, under the action of the dead weight of the cargo carrying platform assembly and the load of a loaded material box, the toothed belt drives the lifting support and the guide post to lift upwards, and meanwhile, the return spring is compressed; when the guide post is lifted upwards, the floating shaft is driven to move upwards through the shaft shoulder, so that the anti-falling baffle is driven to deflect around the fixed shaft, at the moment, the anti-falling protection module is in an un-triggered state, and the bin elevator can be normally lifted;
when the toothed belt is suddenly broken, the reset spring rebounds to push the floating shaft to move downwards, so that the guide post and the anti-falling baffle are driven to move downwards, the other end of the anti-falling baffle is in contact with the supporting beam at the moment, the loading platform assembly is further prevented from falling, and the anti-falling protection function is achieved.
The invention has the advantages and positive effects that:
1. according to the invention, the goods carrying table guide rail is directly arranged on the storage goods shelf connecting beam, so that a stable frame structure can be formed, the lifting height of the bin elevator can be randomly configured along with the height of the storage goods shelf, the elevator frame upright post guide rail is not required to be arranged, the influence of the rigidity of the elevator frame upright post guide rail is not limited, the problems that the main body frame upright post of the elevator is difficult to splice and install and the overall structure stability of the main body frame of the elevator is influenced are avoided, and the problem that the bin height is inconvenient to expand along with the increase of the bin space height is solved.
2. According to the invention, through the arrangement of the anti-falling protection module, the safety problem that the goods carrying platform stalls and falls in most of the existing bin hoists is solved only by relying on the safety redundancy of the toothed belt, and the reliability and the safety of the system are improved.
3. The modular design is adopted, the key parts can form modular functional components, the matching arrangement can be conveniently carried out according to different bin unit sizes and bin area heights, meanwhile, the system matching period can be remarkably reduced through the modular design, and the production and purchase costs are reduced.
Drawings
FIG. 1 is a schematic top view of a multi-level shuttle system embodying the present invention;
FIG. 2 is a schematic front view of a multi-deck shuttle system incorporating the present invention;
FIG. 3 is a schematic side view of a multi-level shuttle system embodying the present invention;
FIG. 4 is a schematic view of the bin elevator of the present invention in a multi-level shuttle system;
FIG. 5 is a schematic view of the overall installation structure of the present invention;
FIG. 6 is a second schematic view of the overall installation structure of the present invention;
FIG. 7 is an enlarged view of FIG. 5 at A;
FIG. 8 is an enlarged view of FIG. 6 at B;
FIG. 9 is a schematic view of a lift drive assembly according to the present invention;
FIG. 10 is a schematic view of the construction of the upper frame assembly of the present invention;
FIG. 11 is a perspective view of the cargo bed assembly of the present invention;
FIG. 12 is a side view of the cargo bed assembly of the present invention;
FIG. 13 is a schematic structural view of the anti-fall protection module of the present invention during normal operation of the bin elevator;
FIG. 14 is a schematic structural view of the fall protection module of the present invention when the fall protection module is in a fall protection function.
In the figure: the storage rack comprises a storage rack 1, storage rack columns 101, storage rack connecting beams 102, a platform conveyor 2, a bin elevator 3, a conveying line 4 and a supporting beam 5;
301 is a cargo bed guide rail, 302 is a lift drive assembly, 303 is a cargo bed assembly, 304 is an upper frame assembly, 305 is a toothed belt, 306 is a counterweight, 307 is a counterweight guide rail;
3021 is a fixed base plate, 3022 is a belt wheel a, 3023 is a guide rail fixing plate, 3024 is a lifting drive, 3025 is a buffer a, 3026 is a motor mount, and 3027 is a belt wheel mounting frame a;
3031 is a main frame of a cargo carrying table, 3032 is a supporting frame of the cargo carrying table, 3033 is a conveyor of the cargo carrying table, 3034 is a guide clamping wheel, 3035 is a top wheel, 3036 is an anti-falling protection module, 3037 is a toothed belt pressing plate;
30361 is a main framework of the anti-falling protection module, 30362 is a lifting support, 30363 is a guide column, 30364 is a floating shaft, 30365 is an anti-falling baffle plate, 30366 is a fixed shaft and 30367 is a return spring;
3041 is an upper frame body, 3042 is a pulley mounting frame B, 3043 is a pulley B, 3044 is a bumper B, 3045 is a mounting plate.
Detailed Description
The invention is described in further detail below with reference to fig. 1-14.
As shown in fig. 1 to 4, the bin elevator 3 of the present invention constitutes a multi-deck shuttle system together with a storage rack 1, a platform conveyor 2, a transfer line 4, and the like. The storage shelf 1 comprises storage shelf columns 101 and storage shelf connecting beams 102, the storage shelf connecting beams 102 are used for connecting the adjacent storage shelf columns 101, and the length direction of each storage shelf connecting beam 102 is parallel to the horizontal plane.
The bin elevator 3 in this embodiment, as shown in fig. 5 to 14, includes a load table rail 301, an elevator driving assembly 302, a load table assembly 303, an upper frame assembly 304, a toothed belt 305, and a counterweight 306.
The cargo bed guide 301 is used for guiding the lifting of the cargo bed assembly 303. The goods loading table guide rail 301 is mounted on the storage shelf connecting beam 102 of the storage shelf 1 through screws, so that a stable frame structure can be formed, the lifting height of the bin elevator 3 can be randomly configured along with the height of the storage shelf 1, the elevator frame upright guide rail does not need to be arranged, and the influence of the rigidity of the elevator frame upright guide rail is not limited. In this embodiment, the length direction of each cargo bed guide rail 301 is perpendicular to the horizontal plane.
The lifting driving assembly 302 is disposed on the ground, the upper frame assembly 304 is disposed on the upper portion of the storage rack 1 and corresponds to the lifting driving assembly 302 up and down, the lifting driving assembly 302 includes a lifting driving member 3024 and a pulley a 3022, the upper frame assembly 304 includes a pulley B3043, one end of a toothed belt 305 is connected to the cargo bed assembly 303 by bypassing the pulley B3043, the other end is connected to the cargo bed assembly 303 by bypassing the pulley a 3022, the counterweight 306 is mounted on the toothed belt 305 at a position far from the cargo bed assembly 303, and the toothed belt 305 is engaged with the pulley a 3022 and the pulley B3043, respectively. The structure of the weight 306 and the connection structure with the toothed belt 305 in this embodiment are prior arts.
The lifting drive 3024 rotates via the driving pulley a 3022, and the toothed belt 305 rotates, and the pulley B3043 rotates together with the toothed belt 305. The toothed belt 305 rotates to drive the cargo bed assembly 303 and the counterweight 306 to respectively lift, and the lifting direction of the cargo bed assembly 303 is opposite to the lifting direction of the counterweight 306.
Specifically, as shown in fig. 7, the bin elevator 3 in the present embodiment further includes a counterweight guide rail 307, the counterweight guide rail 307 is mounted on the storage rack connecting cross member 102 by screws, and the counterweight guide rail 307 is used for guiding the lifting and lowering of the counterweight 306. In this embodiment, the length direction of each counterweight guide rail 307 is perpendicular to the horizontal plane, the arrangement structure principle of the counterweight guide rail 307 is basically the same as that of the cargo bed guide rail 301, and the connection structure of the counterweight guide rail 307 and the counterweight 306 is the prior art.
Specifically, as shown in fig. 9, the lift drive assembly 302 of the present embodiment further includes a fixed base plate 3021 and a pulley mounting frame a 3027, the fixed base plate 3021 is fixedly mounted on the ground by anchor screws, the lift drive 3024 is mounted on the fixed base plate 3021 by a motor mounting base 3026, the pulley mounting frame a 3027 is also mounted on the fixed base plate 3021 by screws, two pulleys a 3022 are mounted on the pulley mounting frame a 3027, the driving end of the lift drive 3024 is connected to the axle of one of the pulleys a 3022, and the belt teeth 305 sequentially pass around each of the pulleys a 3022. The mounting structure of the pulley mounting frame a 3027 and the pulley a 3022 is prior art. A plurality of guide rail fixing plates 3023 are mounted on the fixing bottom plate 3021 through screws, and each guide rail fixing plate 3023 is connected with the bottom end of a corresponding cargo bed guide rail 301 through a screw, so that the cargo bed guide rail 301 is reinforced. The fixed base plate 3021 is provided with a plurality of bumpers a 3025, and the bumpers a 3025 are used for the lower limit cushion protection of the cargo bed assembly 303. In this embodiment, the lifting driving element 3024 is a commercially available driving motor, and the operation is controlled by an external controller.
Specifically, as shown in fig. 10, in the present embodiment, the upper frame assembly 304 further includes an upper frame body 3041 and a pulley mounting frame B3042, a plurality of mounting plates 3045 are disposed at the bottom of the upper frame body 3041, each mounting plate 3045 is mounted on the upper portion of the storage rack 1 through screws, the pulley mounting frame B3042 is mounted on the upper frame body 3041, two pulleys B3043 are mounted on the pulley mounting frame B3042, and the toothed belt 305 sequentially passes around each pulley B3043. The mounting structure of the pulley mounting frame B3042 and the pulley B3043 is prior art. In the present embodiment, the positions of the pulleys a 3022 and B3043 are vertically aligned one by one. The bottom of the upper frame body 3041 is further provided with a plurality of buffers B3044, and the buffers B3044 are used for upper limit buffer protection of the cargo bed assembly 303. Both buffer a 3025 and buffer B3044 are commercially available products.
Specifically, as shown in fig. 7 and 11 to 14, in the present embodiment, the cargo bed assembly 303 includes a cargo bed main frame 3031, a cargo bed support frame 3032, a cargo bed conveyor 3033, a toothed belt pressure plate 3037 and an anti-falling protection module 3036, wherein the cargo bed conveyor 3033 is disposed on the cargo bed support frame 3032 by screws and is used for directly carrying and conveying the bin, the cargo bed support frame 3032, the toothed belt pressure plate 3037 and the anti-falling protection module 3036 are respectively connected with the cargo bed main frame 3031, the anti-falling protection module 3036 is connected with one end of the toothed belt 305, and the toothed belt pressure plate 3037 fixes the other end of the toothed belt 305 on the cargo bed main frame 3031. The main frame 3031 of the cargo carrying platform in the embodiment adopts a steel plate welding structure, or can adopt a metal plate structure, a steel plate splicing structure and other forms, the support frame 3032 of the cargo carrying platform adopts a metal plate structure, the structure of the support frame 3032 of the cargo carrying platform can be adjusted according to different bin size requirements, the structure of the main frame 3031 of the cargo carrying platform does not need to be changed, and the matching of the system and the modular design of the bin elevator 3 are facilitated. In this embodiment, the cargo bed conveyor 3033 is a roller conveyor in the prior art, and is controlled by an external controller, or a toothed belt conveyor or a flat belt conveyor; the pallet conveyor 3033 is a device that enables the transfer of bins over the platform conveyor 2 and the pallet assembly 303.
Specifically, as shown in fig. 7, 11 and 12, in this embodiment, a plurality of sets of guiding clamping wheel sets are respectively disposed on left and right side surfaces of the main loading platform frame 3031, each set of guiding clamping wheel set includes two guiding clamping wheels 3034, the two guiding clamping wheels 3034 of each set of guiding clamping wheel set are respectively located on two sides of a corresponding loading platform guide rail 301 and roll along the surface of the loading platform guide rail 301, and axial center lines of the guiding clamping wheels 3034 are all parallel to each other.
The left side and the right side of the main frame 3031 of the cargo carrying table are respectively provided with a plurality of top wheels 3035, the axial center lines of the top wheels 3035 are parallel to each other, the horizontal plane projection of the axial center line of the top wheel 3035 is vertical to the horizontal plane projection of the axial center line of the guide clamping wheel 3034, and each top wheel 3035 rolls on the surface of the adjacent cargo carrying table guide rail 301. In this embodiment, the guiding clamping wheel 3034 and the top wheel 3035 respectively roll on three sides of the cargo bed guide rail 301, that is, play a role in lifting and guiding on three sides of the cargo bed guide rail 301, so as to ensure the posture of the cargo bed assembly 303 in the lifting process.
Specifically, as shown in fig. 13 and 14, the bin elevator 3 in the present embodiment further includes a plurality of support beams 5 mounted on the storage rack 1. In this embodiment, each support beam 5 is mounted on the storage rack connecting beam 102 through a screw and a bracket, and two ends of each support beam 5 are connected with an adjacent cargo bed guide rail 301 through screws, that is, the space between the cargo bed guide rail 301 and the cargo bed guide rail 301 can also be supported by the support beam 5. The length direction of each support beam 5 is parallel to the horizontal plane.
The fall protection module 3036 comprises a fall protection module main frame 30361, a lifting support 30362, a guide column 30363, a floating shaft 30364, a fall protection baffle 30365, a fixed shaft 30366 and a return spring 30367.
The anti-falling protection module main frame 30361 is installed on the side face, close to the support beam 5, of the loading platform main frame 3031, the fixing shaft 30366 is fixedly installed on the anti-falling protection module main frame 30361, the floating shaft 30364 is arranged on the inner side of the anti-falling protection module main frame 30361, the axial center line of the floating shaft 30364 is parallel to the axial center line of the fixing shaft 30366, a plurality of guide columns 30363 penetrate through the floating shaft 30364, the upper end of each guide column 30363 penetrates through the top face of the anti-falling protection module main frame 30361 and is connected with the lifting support 30362, the lifting support 30362 is connected with one end of the toothed belt 305, a reset spring 30367 is sleeved on each guide column 30363 between the floating shaft 30364 and the anti-falling protection module main frame 30361, a shaft shoulder for blocking the floating shaft 30364 is arranged on each guide column 30363, one end of a plurality of anti-falling baffles 30365 is further connected with the floating shaft 30364, and the anti-falling protection module main frame 30365 is provided with a waist for the anti-falling baffle 30366 to penetrate through.
In normal operation, under the weight of the load table assembly 303 and the load of the bin being carried, the toothed belt 305 lifts the lifting bracket 30362 and the guide post 30363 upward, compressing the return spring 30367. When the guide post 30363 lifts upwards, the floating shaft 30364 is driven to move upwards through the shaft shoulder, and then the anti-falling baffle 30365 is driven to deflect around the fixed shaft 30366, at the moment, the anti-falling protection module 3036 is in an un-triggered state, and the bin elevator 3 can normally lift.
When the toothed belt 305 is broken suddenly, the return spring 30367 rebounds to push the floating shaft 30364 to move downwards, so that the guide column 30363 and the anti-falling baffle 30365 are driven to move downwards, the other end of the anti-falling baffle 30365 is contacted with the support beam 5 at the moment, further the loading platform assembly 303 is limited to further fall, and the anti-falling protection function is achieved.
The working principle is as follows:
through with carrying cargo bed guide rail 301 direct mount on storage goods shelves connection crossbeam 102, can form a stable frame construction, make this workbin lifting machine 3 promote the height and can follow the high arbitrary configuration of storage goods shelves 1, need not to set up the hoist frame stand guide rail, also be not limited to the rigidity influence of hoist frame stand guide rail yet, avoided producing the problem that the concatenation of hoist main body frame stand installation is difficult and influence hoist main body frame overall structure stability.
In the prior art, the toothed belt 305 is used as a lifting structure, generally, the safety margin of the toothed belt 305 is fully considered in the design process to be used as the safety reserve of the lifting structure, and meanwhile, the stable operation of the toothed belt 305 is ensured by combining daily routing inspection without independently designing the anti-falling protection function of a synchronous belt; according to the invention, through the arrangement of the anti-falling protection module 3036, the safety problem that the cargo carrying platform stalls and falls in most of the existing bin hoists 3 is solved only by relying on the safety redundancy of the toothed belt 305, and the reliability and the safety of the system are improved.
Claims (10)
1. The utility model provides a feed box lifting machine which characterized in that: comprises a goods carrying platform guide rail (301), a lifting driving assembly (302), a goods carrying platform assembly (303), an upper frame assembly (304), a toothed belt (305) and a counterweight (306);
the goods carrying table guide rail (301) is arranged on a storage shelf connecting beam (102) of the storage shelf (1), and the goods carrying table guide rail (301) is used for lifting and guiding the goods carrying table assembly (303);
the lifting driving assembly (302) is arranged on the ground, the upper frame assembly (304) is arranged on the upper portion of the storage rack (1) and corresponds to the lifting driving assembly (302) up and down, the lifting driving assembly (302) comprises a lifting driving part (3024) and a belt wheel A (3022), the upper frame assembly (304) comprises a belt wheel B (3043), one end of the toothed belt (305) bypasses the belt wheel B (3043) to be connected with the cargo bed assembly (303), the other end bypasses the belt wheel A (3022) to be connected with the cargo bed assembly (303), the counterweight (306) is arranged at a position on one side of the toothed belt (305) far away from the cargo bed assembly (303), and the toothed belt (305) is respectively meshed with the belt wheel A (3022) and the belt wheel B (3043);
the lifting driving piece (3024) drives the belt wheel A (3022) to rotate so as to drive the toothed belt (305) to rotate, and the belt wheel B (3043) is driven by the toothed belt (305) to rotate together; the toothed belt (305) rotates to drive the cargo carrying platform assembly (303) and the counterweight (306) to lift respectively, and the lifting direction of the cargo carrying platform assembly (303) is opposite to that of the counterweight (306).
2. The bin elevator according to claim 1, characterized in that: the storage rack is characterized by further comprising a counterweight guide rail (307), wherein the counterweight guide rail (307) is installed on the storage rack connecting beam (102), and the counterweight guide rail (307) is used for guiding the lifting of the counterweight (306).
3. The bin elevator according to claim 1, characterized in that: the lifting drive assembly (302) further comprises a fixed base plate (3021) and a belt wheel installation frame A (3027), the fixed base plate (3021) is fixedly installed on the ground, the lifting drive piece (3024) and the belt wheel installation frame A (3027) are respectively installed on the fixed base plate (3021), at least two belt wheels A (3022) are installed on the belt wheel installation frame A (3027), the driving end of the lifting drive piece (3024) is connected with the wheel axle of one of the belt wheels A (3022), and the toothed belt (305) sequentially bypasses the belt wheels A (3022).
4. The bin elevator according to claim 3, characterized in that: a plurality of guide rail fixing plates (3023) are mounted on the fixed bottom plate (3021), and each guide rail fixing plate (3023) is connected with the bottom end of one corresponding cargo carrying table guide rail (301).
5. The bin elevator according to claim 3, characterized in that: the fixed bottom plate (3021) is provided with a plurality of buffers A (3025).
6. The bin elevator according to claim 1, characterized in that: the upper frame assembly (304) further comprises an upper frame main body (3041) and a belt wheel mounting frame B (3042), wherein the bottom of the upper frame main body (3041) is provided with a plurality of mounting plates (3045), each mounting plate (3045) is respectively mounted on the upper part of the storage shelf (1) through screws, the belt wheel mounting frame B (3042) is mounted on the upper frame main body (3041), the belt wheel mounting frame B (3042) is provided with at least two belt wheels B (3043), and the toothed belt (305) sequentially bypasses each belt wheel B (3043).
7. The bin elevator according to claim 6, characterized in that: the bottom of the upper frame body (3041) is also provided with a plurality of buffers B (3044).
8. The bin elevator according to claim 1, characterized in that: the cargo carrying platform assembly (303) comprises a cargo carrying platform main frame (3031), a cargo carrying platform support frame (3032), a cargo carrying platform conveyor (3033), a toothed belt pressing plate (3037) and an anti-falling protection module (3036), wherein the cargo carrying platform conveyor (3033) is arranged on the cargo carrying platform support frame (3032) and is used for directly carrying and conveying a material box, the cargo carrying platform support frame (3032), the toothed belt pressing plate (3037) and the anti-falling protection module (3036) are respectively connected with the cargo carrying platform main frame (3031), the anti-falling protection module (3036) is connected with one end of the toothed belt (305), and the toothed belt pressing plate (3037) fixes the other end of the toothed belt (305) on the cargo carrying platform main frame (3031).
9. The bin elevator according to claim 8, characterized in that: the left side surface and the right side surface of the main frame (3031) of the cargo carrying platform are respectively provided with a plurality of groups of guide clamping wheel groups, each group of guide clamping wheel group comprises two guide clamping wheels (3034), the two guide clamping wheels (3034) of each group of guide clamping wheel groups are respectively positioned at two sides of the corresponding cargo carrying platform guide rail (301) and roll along the surface of the cargo carrying platform guide rail (301), and the axial central lines of the guide clamping wheels (3034) are parallel to each other;
the left side surface and the right side surface of the main frame (3031) of the cargo carrying table are respectively provided with a plurality of top wheels (3035), the axial center lines of the top wheels (3035) are parallel to each other, the horizontal plane projection of the axial center line of the top wheel (3035) is vertical to the horizontal plane projection of the axial center line of the guide clamping wheel (3034), and each top wheel (3035) rolls on the surface of the adjacent guide rail (301) of the cargo carrying table.
10. The bin elevator according to claim 8, characterized in that: the storage rack also comprises a plurality of supporting beams (5) arranged on the storage rack (1);
the anti-falling protection module (3036) comprises an anti-falling protection module main frame (30361), a lifting support (30362), a guide column (30363), a floating shaft (30364), an anti-falling baffle plate (30365), a fixed shaft (30366) and a reset spring (30367);
the anti-falling protection module main frame (30361) is mounted on the cargo carrying platform main frame (3031), the fixing shaft (30366) is mounted on the anti-falling protection module main frame (30361), the floating shaft (30364) is arranged on the inner side of the anti-falling protection module main frame (30361), the axial center line of the floating shaft (30364) is parallel to the axial center line of the fixing shaft (30366), the floating shaft (30364) is provided with a plurality of guide columns (30363) in a penetrating manner, the upper end of each guide column (30363) penetrates through the top surface of the anti-falling protection module main frame (30361) and is connected with the lifting support (30362), the lifting support (30362) is connected with one end of the toothed belt (305), the floating shaft (30364) and each guide column (30363) between the main frame (30361) are sleeved with the reset spring (30367), the guide columns (30363) on the lower side of the floating shaft (30364) are respectively provided with a plurality of anti-falling protection shaft (30365), and the floating shaft (30365) penetrates through the fixing shaft (30364) and the waist blocking baffle plate (30364) is further connected with the anti-falling protection baffle plate (30365);
during normal operation, under the action of the self weight of the cargo carrying platform assembly (303) and the load of a loaded bin, the toothed belt (305) drives the lifting support (30362) and the guide column (30363) to lift upwards, and meanwhile, the return spring (30367) is compressed; when the guide post (30363) is lifted upwards, the floating shaft (30364) is driven to move upwards through the shaft shoulder, so that the anti-falling baffle (30365) is driven to deflect around the fixed shaft (30366), the anti-falling protection module (3036) is in an unfired state, and the bin elevator can be lifted normally;
when the toothed belt (305) is broken suddenly, the reset spring (30367) rebounds to push the floating shaft (30364) to move downwards, so that the guide column (30363) and the anti-falling baffle (30365) are driven to move downwards, the other end of the anti-falling baffle (30365) is in contact with the support beam (5), further the cargo bed assembly (303) is limited to further fall, and the anti-falling protection function is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211545322.5A CN115535514A (en) | 2022-12-05 | 2022-12-05 | Material box lifting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211545322.5A CN115535514A (en) | 2022-12-05 | 2022-12-05 | Material box lifting machine |
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| CN115535514A true CN115535514A (en) | 2022-12-30 |
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| CN202211545322.5A Pending CN115535514A (en) | 2022-12-05 | 2022-12-05 | Material box lifting machine |
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