CN113753458B - Shuttle access system and layer searching method of shuttle layer-changing elevator or feed box reciprocating elevator - Google Patents

Shuttle access system and layer searching method of shuttle layer-changing elevator or feed box reciprocating elevator Download PDF

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Publication number
CN113753458B
CN113753458B CN202110163608.6A CN202110163608A CN113753458B CN 113753458 B CN113753458 B CN 113753458B CN 202110163608 A CN202110163608 A CN 202110163608A CN 113753458 B CN113753458 B CN 113753458B
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layer
shuttle
sensor
elevator
guide rail
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CN113753458A (en
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李洪涛
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Beijing Jingdong Qianshi Technology Co Ltd
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Beijing Jingdong Qianshi Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02Storage devices
    • B65G1/04Storage devices mechanical
    • B65G1/0492Storage devices mechanical with cars adapted to travel in storage aisles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

Abstract

The invention relates to the technical field of storage logistics, in particular to a shuttle access system and a layer searching method of a shuttle layer-changing elevator or a material box reciprocating elevator. The layer searching method comprises the following steps: driving the lifting platform to move along the vertical direction; and determining that the sensor is opposite to the positioning hole of the corresponding shelf guide rail, and recording the layer number and the position of the shelf guide rail corresponding to the positioning hole. The comparison of the actual height position and the theoretical height position of each layer of shelf guide rail is not needed by manpower, the workload of operators can be reduced, the efficiency of layer searching operation between the lifting platform and each layer of shelf guide rail is improved, and errors are not easy to occur.

Description

Shuttle access system and layer searching method of shuttle layer-changing elevator or feed box reciprocating elevator
Technical Field
The invention relates to the technical field of warehouse logistics, in particular to a layer searching method of a shuttle access system, a layer changing elevator of the shuttle or a reciprocating elevator of a feed box.
Background
The shuttle access system comprises a goods shelf, a shuttle, a feed box reciprocating elevator, a shuttle layer-changing elevator and the like, wherein the feed box of the feed box reciprocating elevator for carrying in and out of the warehouse is in butt joint with each layer of goods shelf or in butt joint with a conveying line, and the shuttle layer-changing elevator carries the shuttle to different layers of the goods shelf for operation.
Whether the material box is a reciprocating elevator or a shuttle car layer-changing elevator, the elevator platform of the elevator is required to perform layer searching operation with each layer of goods shelf guide rail in the debugging stage, an operator firstly elevates the elevator platform to the theoretical height of each layer of goods shelf guide rail, then the height of the elevator platform is finely tuned to be consistent with the height of each layer of goods shelf guide rail by utilizing the angle square, the actual height value of each layer of goods shelf guide rail is recorded, the operator inputs the actual height value of each layer of goods shelf guide rail into an elevator control program, and the elevator control program automatically operates the elevator. However, the layer searching method of the shuttle layer-changing elevator or the feed box reciprocating elevator needs to adopt manual comparison of each layer, has large workload and low working efficiency, and is easy to make mistakes.
Disclosure of Invention
The invention aims to provide a shuttle car access system which can reduce the workload of operators, improve the efficiency of layer searching operation between a lifting platform and each layer of shelf guide rail and is not easy to make mistakes.
The invention further aims to provide a layer searching method of the shuttle layer-changing elevator or the feed box reciprocating elevator, which can reduce the workload of operators, improve the efficiency of layer searching operation of the lifting platform and each layer of goods shelf guide rail and is not easy to make mistakes.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a shuttle access system, includes goods shelves and lifting machine, the goods shelves include a plurality of goods shelves guide rails of arranging along vertical direction interval, the lifting machine is including the lift platform that can follow vertical direction motion, the locating hole has been seted up to the side of goods shelves guide rail, be provided with the sensor on the lift platform, the sensor is configured to when detecting the locating hole, the record the height position of lift platform.
Preferably, the sensor is a diffuse reflection sensor or an infrared sensor.
Preferably, the thickness of the positioning hole is A, the thickness of the shelf guide rail is B, and the distance between adjacent shelf guide rails is C, wherein A < B < C.
Preferably, the diameter of the light spot formed by the sensor is D1, and the thickness of the positioning hole is A, wherein, 1mm is less than or equal to A-D1I is less than or equal to 2mm.
Preferably, the shuttle access system further comprises a zero position detection piece arranged between the ground and the bottom shelf guide rail, a detection piece is arranged on the lifting platform, and when the detection piece is aligned with the zero position detection piece, the lifting platform is in an absolute zero position.
The layer searching method of the shuttle layer-changing elevator or the material box reciprocating elevator adopts the shuttle access system, wherein the elevator is the shuttle layer-changing elevator or the material box reciprocating elevator, and the layer searching method comprises the following steps:
step S1: driving the lifting platform to move along the vertical direction;
step S2: and determining that the sensor is opposite to the corresponding positioning hole of the shelf guide rail, and recording the height position of the shelf guide rail.
Preferably, the lifting platform moves at a preset speed V at a uniform speed, the thickness of the positioning hole is a, the thickness of the shelf guide rail is B, the distance between adjacent shelf guide rails is C, a < B < C, and the determining that the sensor is opposite to the corresponding positioning hole of the shelf guide rail includes:
if the signal sent by the sensor is switched from the shielding state to the non-shielding state, the sensor is in the non-shielding state for a time T Actual practice is that of And T is Presetting Comparison is made, wherein T Presetting =B/V;
If T Actual practice is that of <T Presetting The sensor is opposite to the corresponding positioning hole of the shelf guide rail.
Preferably, the shuttle access system further comprises a controller electrically connected to the sensor, and the recording the height position of the shelf rail comprises:
if T Actual practice is that of <T Presetting The controller counts once, and the controller reads the height position of the shelf guide rail.
Preferably, the step S1 further includes a step S0: and resetting the count of the controller and the read height position of the shelf guide rail.
Preferably, the shuttle access system further includes a zero position detecting member disposed between the ground and the bottom shelf rail, and the lifting platform is further provided with a detecting sheet, and the step S0 includes:
the detection piece is opposite to the zero position detection piece, and the counting of the controller and the read height position of the shelf guide rail are cleared.
The beneficial effects of the invention are as follows:
the shuttle car storing and taking system comprises a goods shelf and a lifting machine, wherein the goods shelf comprises a plurality of goods shelf guide rails which are arranged at intervals along the vertical direction, the lifting machine comprises a lifting platform which can move along the vertical direction, positioning holes are formed in the side faces of the goods shelf guide rails, a sensor is arranged on the lifting platform, and the sensor is configured to record the height position of the lifting platform when the positioning holes are detected. The comparison of the actual height position and the theoretical height position of each layer of shelf guide rail is not needed by manpower, so that the workload of operators can be reduced, the efficiency of layer searching operation between the lifting platform and each layer of shelf guide rail is improved, and errors are not easy to occur.
The layer searching method of the shuttle car layer-changing hoister or the feed box reciprocating hoister comprises the following steps: step S1: driving the lifting platform to move along the vertical direction; step S2: and determining that the sensor is opposite to the positioning hole of the corresponding shelf guide rail, and recording the height position of the shelf guide rail. The comparison of the actual height position and the theoretical height position of each layer of shelf guide rail is not needed by manpower, so that the workload of operators can be reduced, the efficiency of layer searching operation between the lifting platform and each layer of shelf guide rail is improved, and errors are not easy to occur.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a side view of a shuttle access system provided by an embodiment of the present invention;
FIG. 2 is a top view of a shuttle access system provided by an embodiment of the invention;
FIG. 3 is a flowchart of a layer searching method of a shuttle layer changing elevator or a feed box reciprocating elevator provided by an embodiment of the invention;
fig. 4 is a flow chart II of a layer searching method of a shuttle layer-changing elevator or a feed box reciprocating elevator provided by the embodiment of the invention.
The figures are labeled as follows:
100-a shuttle access system; 200-ground;
1-a goods shelf; 11-a shelf rail; 111-positioning holes;
2-a lifting machine; 21-a detection sheet; 22-lifting platform;
3-a sensor;
4-zero position detection member.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature has a higher horizontal thickness than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply means that the first feature has a smaller horizontal thickness than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
As shown in fig. 1, the present embodiment provides a shuttle access system 100, where the shuttle access system 100 includes a pallet 1 and a hoist 2, the hoist 2 is a shuttle layer-changing hoist or a bin reciprocating hoist, the shuttle layer-changing hoist carries a shuttle to different layers of the pallet 1 for operation, and the bin reciprocating hoist carries a bin for warehouse entry/exit to dock with each layer of the pallet 1 or dock with a conveyor line. The pallet 1 comprises a plurality of pallet rails 11 arranged at intervals in the vertical direction, and the elevator 2 comprises a lifting platform 22 and a driving mechanism capable of driving the lifting platform 22 to move in the vertical direction so as to align the lifting platform 22 with the pallet rails 11 of each layer.
The debugging stage of the elevator 2 requires the elevator platform 22 to perform layer searching operation with each layer of shelf guide rails 11, an operator firstly lifts the elevator platform 22 to the theoretical height of each layer of shelf guide rails 11, the operator finely adjusts the height of the elevator platform 22 to be consistent with the height of each layer of shelf guide rails 11 by using an angle square, the actual height value of each layer of shelf guide rails 11 is recorded, the operator inputs the actual height value of each layer of shelf guide rails 11 into a control program of the elevator 2, and the control program of the elevator 2 automatically operates the elevator 2. However, the layer searching method of the shuttle layer-changing elevator or the feed box reciprocating elevator needs to adopt manual comparison of each layer, has large workload and low working efficiency, and is easy to make mistakes.
In order to solve the above problem, as shown in fig. 1 and 2, a positioning hole 111 is formed in the shelf rail 11, and a sensor 3 is provided on the elevating platform 22, and the sensor 3 is configured to record the height position of the elevating platform 22 when the positioning hole 111 is detected. The corresponding height of each layer of shelf guide rail 11 is recorded into a control program of the lifting platform 22, and the control program automatically operates the lifting machine 2. With the shuttle access system 100, it is unnecessary to manually perform each layer of shelf rail 11The comparison of the actual height position and the theoretical height position can reduce the workload of operators, improve the efficiency of the layer searching operation between the lifting platform 22 and each layer of shelf guide rail 11, and is not easy to make mistakes. In particular, the height position of the pallet track 11 can be obtained by reading the operating parameters of the drive mechanism. For example, if the lifting platform 22 is lifted from the zero position, the driving mechanism is a motor and a pulley structure, the pulley structure includes a driving wheel, a driven wheel and an endless belt, the driving wheel and the driven wheel are jointly tensioned with the endless belt, an output shaft of the motor is connected with the driving wheel, a radius of the driving wheel is the same as a radius of the driven wheel, the radius is R, the lifting platform 22 is connected with the endless belt, a rotation speed of the motor is n, a running time of the driving mechanism is t, and a height position=n×r of the shelf rail 11 2 * t. For example, if the driving mechanism is a jacking cylinder, the operation speed of the output end of the jacking cylinder is V, the operation time of the driving mechanism is t, and the height position of the shelf rail 11=v×t.
Specifically, the sensor 3 may be a diffuse reflection sensor, and the diffuse reflection sensor may emit radiation and may receive the radiation, when the diffuse reflection sensor emits the radiation, the diffuse reflection sensor is opposite to the non-positioning hole of the shelf rail 11, and when the diffuse reflection sensor does not receive the radiation after emitting the radiation, the diffuse reflection sensor is opposite to the positioning hole 111, and only one diffuse reflection sensor is required to be set to determine whether the sensor 3 is opposite to the positioning hole 111, so that the structure is simple, and the installation and the replacement are convenient.
In other embodiments, the sensor 3 may also be an infrared sensor, where the infrared sensor includes a receiving end and a transmitting end, the receiving end and the transmitting end are located on two sides of the shelf rail 11, and when the infrared sensor is opposite to the positioning hole 111, the infrared ray emitted by the transmitting end can be received by the receiving end; when the infrared sensor is aligned with the non-positioning hole of the shelf guide rail 11, the receiving end cannot receive the infrared rays emitted by the emitting end, and the infrared sensor has the advantages of simple structure, convenience in implementation, low cost, sensitivity in response, convenience in short-distance detection, strong anti-interference capability and no occurrence of different results due to the difference of surrounding environments.
However, when the space between the sensor 3 and the adjacent shelf rail 11 is positive, the diffuse reflection sensor cannot receive the radiation, and the receiving end of the infrared sensor can receive the infrared emitted by the emitting end, which would result in that the sensor 3 cannot determine: the sensor 3 is located in a position facing the positioning hole 111 or in a position facing the space between the adjacent shelf rails 11. In order to solve the above problem, as shown in fig. 1, the thickness of the positioning hole 111 is a, the thickness of the shelf rail 11 is B, and the distance between adjacent shelf rails 11 is C, wherein a < B < C. The specific judging mode is as follows: if the signal from the sensor 3 is not blocked, the sensor 3 is kept in the non-blocked state for a time T Actual practice is that of And T is Presetting Comparison is made, wherein T Presetting =b/V; if T Actual practice is that of <T Presetting The judgment sensor 3 is aligned with the positioning hole 111 of the corresponding shelf rail 11. Exemplary, a=5 mm, b=300 mm, c=3000 mm, v=5 mm/s, time T of travel between adjacent rack rails 11 Gap of Time T of walking at positioning hole 111 =3000 mm/5 mm/s=600s Positioning hole =5mm÷5mm/s=1s,T Presetting ==300mm÷5mm/s=60s,T Practical 1 =T Gap of =600s>T Presetting ,T Practical 2 =T Gap of =1s<T Presetting Can obviously exclude T Practical 1 Is the position where the sensor 3 is opposite to the positioning hole 111.
In order to avoid inaccurate detection results caused by overlarge or undersize thickness of the positioning hole 111, the sensor 3 forms a light spot with a diameter D1, and the thickness of the positioning hole 111 is A, wherein the thickness A-D1I is less than or equal to 1mm and less than or equal to 2mm, and the detection error of the height position can be ensured to be between 1mm and 2mm.
Because the hoist 2 needs to perform automatic layer searching actions on different shelves 1, the shuttle access system 100 further comprises a zero position detection piece 4 arranged between the ground 200 and the bottom-most shelf guide rail 11, the lifting platform 22 is further provided with a detection piece 21, when the detection piece 21 is aligned with the zero position detection piece 4, the lifting platform 22 is in an absolute zero position, and the position information of the shelf guide rails 11 of different layers of the previous group of shelves 1 recorded in the sensor 3 is cleared, so that the re-measurement of the height position information of the shelf guide rails 11 of different layers of the new shelf 1 can be realized.
As shown in fig. 3, the present embodiment further provides a layer searching method of a shuttle layer changing lifter or a bin reciprocating lifter, where the layer searching method adopts the shuttle access system 100 as described above, and the layer searching method includes:
step S1: driving the lifting platform 22 to move in the vertical direction;
step S2: the determining sensor 3 is opposite to the corresponding positioning hole 111 of the shelf rail 11, and records the height position of the shelf rail 11.
By adopting the layer searching method, the comparison of the actual height position and the theoretical height position of each layer of shelf guide rail 11 is not needed by manpower, the workload of operators can be reduced, the efficiency of layer searching operation between the lifting platform 22 and each layer of shelf guide rail 11 is improved, and errors are not easy to occur.
However, when the space between the sensor 3 and the adjacent shelf rail 11 is positive, the diffuse reflection sensor cannot receive the radiation, and the receiving end of the infrared sensor can receive the infrared emitted by the emitting end, which would result in that the sensor 3 cannot determine: the sensor 3 is located in a position facing the positioning hole 111 or in a position facing the space between the adjacent shelf rails 11. In order to solve the above problem, the lifting platform 22 moves at a constant speed V, the thickness of the positioning hole 111 is a, the thickness of the shelf rail 11 is B, the distance between adjacent shelf rails 11 is C, a < B < C, and determining that the sensor 3 is opposite to the positioning hole 111 of the corresponding shelf rail 11 includes:
if the signal sent by the sensor 3 is switched from the shielding state to the non-shielding state, the sensor 3 is in the non-shielding state for a time T Actual practice is that of And T is Presetting Comparison is made, wherein T Presetting =B/V;
If T Actual practice is that of <T Presetting The sensor 3 is aligned with the corresponding positioning hole 111 of the shelf rail 11.
The above-described method can effectively eliminate the situation that the sensor 3 is opposite to the space between the adjacent shelf rails 11The alignment of the sensor 3 with the positioning hole 111 is accurately recognized. Exemplary, a=5 mm, b=300 mm, c=3000 mm, v=5 mm/s, time T of travel between adjacent rack rails 11 Gap of Time T of walking at positioning hole 111 =3000 mm/5 mm/s=600s Positioning hole =5mm÷5mm/s=1s,T Presetting ==300mm÷5mm/s=60s,T Practical 1 =T Gap of =600s>T Presetting ,T Practical 2 =T Gap of =1s<T Presetting Can obviously exclude T Practical 1 Is the position where the sensor 3 is opposite to the positioning hole 111.
Preferably, the shuttle access system 100 further includes a controller electrically connected to the sensor 3, and recording the height position of the shelf rail 11 includes:
if T Actual practice is that of <T Presetting The controller counts once, and reads the height position of the shelf guide rail 11, so that the controller can record the layer number corresponding to the shelf guide rail 11 and the corresponding height position, and the subsequent program can be conveniently called. Illustratively, when the sensor 3 is first positioned opposite the positioning hole 111, the controller records that the number of layers of the shelf rail 11 is 1, and records the height position corresponding to the shelf rail 11 of 1 layer. When the sensor 3 is opposite to the positioning hole 111 for the second time, the controller records that the number of layers corresponding to the shelf guide rail 11 is 2, records the height position corresponding to the shelf guide rail 11 of 2 layers, and the like.
As shown in fig. 4, since the elevator 2 needs to perform an automatic layer searching operation on different shelves 1, step S1 further includes step S0: the controller count and the read height position of the shelf guide rail 11 are cleared, so that the re-automatic layer searching operation of each shelf 1 is realized.
Specifically, the shuttle access system 100 further includes a zero position detecting member 4 disposed between the ground 200 and the bottom shelf rail 11, and the lifting platform 22 is further provided with a detecting sheet 21, and step S0 includes:
the detection piece 21 is opposite to the zero position detection piece 4, and the count of the controller and the read height position of the shelf rail 11 are cleared, so that the height position information of the shelf rail 11 at different layers of the new shelf 1 can be re-measured. For example, the zero position detecting member 4 may be a slot type switch, and when the detecting member 21 is inserted into a slot of the slot type switch, the slot type switch transmits information that the lifting platform 22 is at an absolute zero position to the controller, and the controller clears the count and the read height position of the shelf rail 11.
For ease of understanding, the automatic layer-seeking manner of the shuttle access system 100 will now be described:
the driving mechanism drives the lifting platform 22 to descend, the detection piece 21 is inserted into a groove of the groove type switch, the layer number information in the controller and the height position information of the shelf guide rail 11 are cleared, and the lifting platform 22 is in an absolute zero position. The driving mechanism drives the lifting platform 22 to ascend, when the sensor 3 is positioned between the ground 200 and the first layer of shelf guide rail 11, the signal sent by the sensor 3 is not shielded, and the controller does not count and does not read the height position information of the shelf guide rail 11. When the sensor 3 is opposite to the first layer shelf rail 11 (non-positioning hole), the sensor 3 is switched from the non-shielded state to the shielded state, and the controller does not count and does not read the height position information of the shelf rail 11. When the sensor 3 moves from the position of the non-positioning hole of the first layer shelf rail 11 to the position of the positioning hole 111 of the first layer shelf rail 11, the sensor 3 is switched from the shielding state to the non-shielding state, and the information of the sensor 3 is not changed. When the sensor 3 moves at the position of the positioning hole 111 of the first-layer shelf guide rail 11, the sensor 3 is in the non-shielding state for a time T Actual practice is that of <T Presetting The controller records the number of layers information as 1 layer and the height position information of the shelf rail 11 of the layer. When the sensor 3 moves from the position of the positioning hole 111 of the first layer shelf rail 11 to the position of the non-positioning hole of the first layer shelf rail 11, the sensor 3 is switched from the non-shielding state to the shielding state, and the number information and the height position information of the inner layer of the controller are not changed. When the sensor 3 moves from the position of the non-positioning hole of the first layer shelf guide rail 11 to the gap position between the first layer shelf guide rail 11 and the second layer shelf guide rail 11, the sensor 3 is switched from the shielding state to the non-shielding state, and the number information and the height position information of the inner layer of the controller are not changed. When the sensor 3 is formed by the first layer shelf guide rail 11 and the second layer shelf guide railThe gap position between the second-layer shelf guide rails 11 moves to the non-positioning hole position of the second-layer shelf guide rails 11, the controller is switched from a non-shielding state to a shielding state, and the number of layers information and the height position information in the controller are not changed. When the sensor 3 moves from the position of the non-positioning hole of the second-layer shelf guide rail 11 to the position of the positioning hole 111, the controller is switched from the shielding state to the non-shielding state, and the number of layers information and the height position information in the controller are not changed. When the sensor 3 moves at the position of the positioning hole 111, the sensor 3 is in the non-shielded state for a time T Actual practice is that of <T Presetting The number of layers information recorded by the controller becomes 2, and the height position information of the second-layer pallet rail 11 is recorded. And so on, the controller can record the layer number and the height position information of the shelf guide rail 11 of each layer.
Note that the basic principles and main features of the present invention and advantages of the present invention are shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides a layer method is sought to shuttle layer hoist or workbin reciprocal hoist, characterized in that is applied to shuttle access system, shuttle access system includes goods shelves (1) and lifting machine (2), goods shelves (1) include a plurality of goods shelves guide rail (11) of arranging along vertical direction interval, lifting machine (2) are including lift platform (22) that can follow vertical direction motion, locating hole (111) have been seted up to the side of goods shelves guide rail (11), be provided with sensor (3) on lift platform (22), sensor (3) are configured to when detecting locating hole (111) record the high position of lift platform (22), lifting machine (2) are shuttle layer hoist or workbin reciprocal hoist, seek layer method includes:
step S1: driving the lifting platform (22) to move in the vertical direction;
step S2: determining that the sensor (3) is opposite to the corresponding positioning hole (111) of the shelf guide rail (11), and recording the height position of the shelf guide rail (11);
the lifting platform (22) moves at a preset speed V at a uniform speed, the thickness of the goods shelf guide rail (11) is B, and the determination that the sensor (3) is opposite to the corresponding positioning hole (111) of the goods shelf guide rail (11) comprises:
if the signal sent by the sensor (3) is switched from the shielding state to the non-shielding state, the sensor (3) is in the non-shielding state for a time T Actual practice is that of And T is Presetting Comparison is made, wherein T Presetting =B/V;
If T Actual practice is that of <T Presetting The sensor (3) is opposite to the corresponding positioning hole (111) of the shelf guide rail (11).
2. The layer searching method of the shuttle layer changing elevator or the material box reciprocating elevator according to claim 1, wherein the thickness of the positioning hole (111) is A, the distance between the adjacent goods shelf guide rails (11) is C, and A is less than B and less than C.
3. The shuttle floor change elevator or bin shuttle elevator floor seeking method of claim 1 wherein said shuttle access system further comprises a controller electrically connected to said sensor (3), said recording the height position of said shelf rail (11) comprising:
if T Actual practice is that of <T Presetting The controller counts once and reads the height position of the shelf guide rail (11).
4. The method for locating a layer by using a shuttle layer-changing elevator or a bin reciprocating elevator according to claim 3, wherein the step S1 further comprises a step S0: and resetting the count of the controller and the read height position of the shelf guide rail (11).
5. The layer searching method of the shuttle layer changing elevator or the material box reciprocating elevator according to claim 4, wherein the shuttle access system further comprises a zero position detecting member (4) arranged between the ground (200) and the bottom shelf guide rail (11), the lifting platform (22) is further provided with a detecting sheet (21), and the step S0 comprises:
the detection piece (21) is opposite to the zero position detection piece (4), and the counting of the controller and the read height position of the goods shelf guide rail (11) are cleared.
6. The layer searching method of the shuttle layer changing elevator or the material box reciprocating elevator according to claim 1, wherein the sensor (3) is a diffuse reflection sensor or an infrared sensor.
7. The layer searching method of the shuttle layer changing elevator or the material box reciprocating elevator according to claim 2, wherein the diameter of a light spot formed by the sensor (3) is D1, the thickness of the positioning hole (111) is A, and the thickness of the positioning hole is 1mm & lt, & gtI A-D1 & lt, & gtI & lt 2mm.
8. The layer searching method of the shuttle layer changing elevator or the material box reciprocating elevator according to claim 1, wherein the shuttle access system further comprises a zero position detecting piece (4) arranged between the ground (200) and the goods shelf guide rail (11) at the bottommost layer, a detecting piece (21) is arranged on the lifting platform (22), and when the detecting piece (21) is aligned with the zero position detecting piece (4), the lifting platform (22) is in an absolute zero position.
9. A shuttle access system, characterized in that a shuttle layer-changing elevator or a feed box reciprocating elevator layer-finding method according to any one of claims 1-8 is adopted, the shuttle access system comprises a goods shelf (1) and an elevator (2), the goods shelf (1) comprises a plurality of goods shelf guide rails (11) which are arranged at intervals along the vertical direction, the elevator (2) comprises a lifting platform (22) which can move along the vertical direction, a positioning hole (111) is formed in the side surface of the goods shelf guide rails (11), a sensor (3) is arranged on the lifting platform (22), and the sensor (3) is configured to record the height position of the lifting platform (22) when the positioning hole (111) is detected.
CN202110163608.6A 2021-02-05 2021-02-05 Shuttle access system and layer searching method of shuttle layer-changing elevator or feed box reciprocating elevator Active CN113753458B (en)

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