CN114684521B

CN114684521B - Three-dimensional goods shelf system and protection device

Info

Publication number: CN114684521B
Application number: CN202210379253.9A
Authority: CN
Inventors: 张金虎
Original assignee: Beijing Jingdong Qianshi Technology Co Ltd
Current assignee: Beijing Jingdong Qianshi Technology Co Ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2024-01-12
Anticipated expiration: 2042-04-12
Also published as: CN114684521A

Abstract

The invention relates to a three-dimensional goods shelf system and a protection device, wherein the three-dimensional goods shelf system comprises: the first goods shelf and the second goods shelf are arranged at intervals, and at least two layers of roadways are formed between the first goods shelf and the second goods shelf; the maintenance station is arranged in each layer of roadway; the shuttle is arranged in each layer of roadway; the protection device is arranged at a maintenance station of each layer of roadway; the protection device is provided with a first state and a second state, the protection device is configured to allow the shuttle in the roadway corresponding to the protection device to operate in the first state, and prohibit the shuttle in the roadway corresponding to the protection device from operating in the second state. The invention can solve the problem that the operation efficiency and the safety can not be achieved.

Description

Three-dimensional goods shelf system and protection device

Technical Field

The invention relates to the field of engineering machinery, in particular to a three-dimensional goods shelf system and a protection device.

Background

In some related technologies, safety nets are enclosed around the three-dimensional goods shelves, and safety doors are arranged at positions, corresponding to the goods lifts and the layer-changing lifts, of the safety nets, and are used for personnel to enter and exit to carry out maintenance or repair work of equipment. Once the safety door is opened, the whole roadway elevator and the shuttle car can stop operating, and the operation of the whole roadway is stopped when individual vehicles or the elevator is maintained, so that the efficiency is seriously influenced; if the vehicle is not stopped completely, the vehicle is extremely dangerous, and safety accidents such as collision of people by the shuttle are extremely easy to occur.

Disclosure of Invention

Some embodiments of the invention provide a stereoscopic goods shelf system and a protection device, which are used for relieving the problem that the working efficiency and the safety are not compatible.

In one aspect of the invention, there is provided a stereoscopic shelving system comprising:

the first goods shelf and the second goods shelf are arranged at intervals, and at least two layers of roadways are formed between the first goods shelf and the second goods shelf;

the maintenance station is arranged in each layer of roadway;

the shuttle is arranged in each layer of roadway; and

the protection device is arranged at a maintenance station of each layer of roadway; the protection device is provided with a first state and a second state, the protection device is configured to allow the shuttle in the roadway corresponding to the protection device to operate in the first state, and prohibit the shuttle in the roadway corresponding to the protection device from operating in the second state.

In some embodiments, the guard comprises a guard having a first end fixedly connected to the first shelf and a second end removably connected to the second shelf; the second end of the protecting piece is connected with the second goods shelf and is in a first state of the protecting device, and the second end of the protecting piece is disconnected with the second goods shelf and is in a second state of the protecting device.

In some embodiments, the guard is provided at an end of the roadway.

In some embodiments, the guard further comprises a safety lock assembly by which the second end of the guard is detachably connected to the second shelf, the safety lock assembly being configured such that in a locked state the second end of the guard is connected to the second shelf and in an unlocked state the second end of the guard is disconnected from the second shelf.

In some embodiments, the safety lock assembly includes:

the lock body is arranged on the second goods shelf; and

the lock tongue is connected with the lock body in an insertable way, and the second end of the protective piece is connected with the lock tongue;

the safety lock assembly is configured to be in a locked state when the lock tongue is inserted into the lock body, and to be in an unlocked state when the lock tongue is pulled out of the lock body.

In some embodiments, the safety lock assembly further comprises:

a limiting block; and

the first connecting piece, its first end connect in the spring bolt, the second end connect in the stopper, the second end of guard piece connect in first connecting piece, and be located the spring bolt with between the stopper.

In some embodiments, the safety lock assembly further comprises a first spacer ring sleeved on the first connecting piece and located between the lock tongue and the stopper, and the second end of the guard is connected to the first spacer ring.

In some embodiments, the safety lock assembly further comprises:

the bracket is fixedly arranged on the second goods shelf; and

and the first end of the limiting piece is connected with the bracket, and the second end of the limiting piece is detachably connected with the limiting piece.

In some embodiments, the safety lock assembly further comprises:

the first end of the second connecting piece is connected with the lock tongue, and the second end of the second connecting piece is connected with the limiting block: and

The second spacer ring is sleeved on the second connecting piece and is positioned between the lock tongue and the limiting block.

In some embodiments, the guard includes a guard and a control box; the first end of the protection piece is fixedly connected to the first goods shelf, the second end of the protection piece is detachably connected to the second goods shelf, a controller is arranged in the control box, and a request button and a reset button are arranged on the control box; the controller is electrically connected with the request button, the reset button and the shuttle; after the controller receives the signal of the request button, the second end of the protection piece is disconnected with the second goods shelf to be in the second state; after the second end of the protecting piece is connected with the second goods shelf, the controller receives the signal of the reset button to be in the first state.

In some embodiments, the controller is configured to control the shuttle to stop running after the current task is performed after receiving the signal of the request button, and to control the shuttle to resume running after receiving the signal of the reset button.

In some embodiments, the guard comprises a flexible connection.

In some embodiments, the stereoscopic shelf system further comprises a safety net enclosing the first shelf and the second shelf, the safety net having an operatively openable safety door, the guard being configured to be operatively in the second state upon opening of the safety door.

In some embodiments, the stereoscopic shelf system further comprises a platform, wherein the platform is arranged on the outer side of the safety net, and the platform is correspondingly arranged on the bottom of the safety door.

In some embodiments, the stereoscopic shelf system further comprises a ladder extending in a height direction of the first shelf and the second shelf, the ladder being provided on a side of the guard remote from the maintenance station, the ladder being configured to allow an operator to climb to be located at a different one of the maintenance stations.

In another aspect of the invention, there is provided a protective device comprising:

a guard having a first end configured to be coupled to the first member and a second end configured to be detachably coupled to the second member; and

the safety lock assembly comprises a lock body, a lock tongue, a limiting block and a first connecting piece; the lock body is configured to be provided to the second member; the lock tongue is connected with the lock body in an insertable way; the first end of the first connecting piece is connected with the lock tongue, the second end of the first connecting piece is connected with the limiting block, and the second end of the protecting piece is connected with the first connecting piece and is positioned between the lock tongue and the limiting block; the safety lock assembly is configured to be in a locked state when the bolt is inserted into the lock body and to be in an unlocked state when the bolt is pulled out of the lock body.

In some embodiments, the safety lock assembly further comprises:

a bracket configured to be fixedly provided to the second member; and

In some embodiments, the safety lock assembly further comprises:

In another aspect of the present invention, a three-dimensional shelf system is provided, comprising a first shelf, a second shelf, and the guard described above, wherein a first end of the guard in the guard is connected to the first shelf and a second end is detachably connected to the second shelf.

Based on the technical scheme, the invention has at least the following beneficial effects:

in some embodiments, the protection device has a first state and a second state, when an operator needs to enter a certain layer of tunnel to repair or align goods and the like, the protection device in the layer of tunnel can be operated to enable the protection device to be in the second state, at the moment, the operation of the shuttle in the tunnel corresponding to the protection device is forbidden, personal safety to the operator is avoided, and the shuttle in other tunnels except the shuttle in the tunnel corresponding to the protection device can normally operate, so that the operation of entering and exiting the warehouse of other parts is not influenced, and the influence on the operation efficiency is reduced to the greatest extent; after maintenance or goods are straightened, an operator goes out of the roadway and operates the protection device to enable the protection device to be in a first state, and a shuttle in the roadway corresponding to the protection device can resume operation, so that the problem that the working efficiency and the safety cannot be achieved is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a schematic illustration of a stereoscopic shelving system provided in accordance with some embodiments of the invention;

FIG. 2 is an enlarged schematic view of the shielding device shown in FIG. 1;

FIG. 3 is a schematic view of a partial structure of a three-dimensional shelf system where a guard is located according to some embodiments of the present invention;

FIG. 4 is a schematic view of a protective device according to some embodiments of the present invention;

FIG. 5 is a schematic view of a security lock assembly provided in accordance with some embodiments of the present invention;

FIG. 6 is a schematic top view of an area of a stopper of a safety lock assembly according to some embodiments of the present invention;

FIG. 7 is a schematic cross-sectional view of A-A of FIG. 6;

FIG. 8 is a schematic view of a locking bolt provided in accordance with some embodiments of the present invention;

FIG. 9 is a schematic view of a stent provided according to some embodiments of the present invention;

fig. 10 is a simplified control schematic of a control box provided in accordance with some embodiments of the present invention.

The reference numbers in the drawings are as follows:

11-a first shelf; 111-first track; 12-a second shelf; 121-a second track; 13-roadway;

2-a maintenance station;

3-guard;

4-shuttle;

a 5-security lock assembly; 51-a lock body; 52-a lock tongue; 521-first hole; 522-a second hole; 523-plug-in part; 524-a connection; 53-limiting blocks; 54-first connector; 55-a first spacer ring; 56-a bracket; 561-a first plate; 562-a second plate; 563-third well; 57-limiting piece; 58-a second connector; 59-a second spacer ring;

6-a control box; 61-a controller; 62-request button; 63-reset button;

7-a safety net; 71-a safety door;

8-station;

9-climbing a ladder;

b-guard.

It should be understood that the dimensions of the various elements shown in the figures are not drawn to actual scale. Further, the same or similar reference numerals denote the same or similar members.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative, and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

In the present invention, when it is described that a specific device is located between a first device and a second device, an intervening device may or may not be present between the specific device and the first device or the second device. When it is described that a particular device is connected to other devices, the particular device may be directly connected to the other devices without intervening devices, or may be directly connected to the other devices without intervening devices.

All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

FIG. 1 is a schematic structural view of some embodiments of a stereoscopic shelving system according to the invention. Referring to fig. 1, in some embodiments, the stereoscopic shelving system includes first and second shelves 11, 12 disposed in spaced relation, a maintenance station 2, a shuttle 4, and a guard B.

At least two layers of roadways 13 are formed between the first shelf 11 and the second shelf 12; the maintenance station 2 is arranged in each layer of roadway 13; the shuttle car 4 is arranged in each layer of roadway 13; the protection device B is arranged at the maintenance station 2 of each layer of roadway 13; the guard B has a first state and a second state, and the guard B is configured to allow the operation of the shuttle 4 in the lane 13 corresponding to the guard B in the first state, and to prohibit the operation of the shuttle 4 in the lane 13 corresponding to the guard B in the second state.

When an operator needs to enter one of the tunnels 13 to perform operations such as maintenance or goods alignment on the shuttle 4, the protection device B in the tunnel 13 needs to be operated to enable the protection device B to be in a second state, at this time, the shuttle 4 in the tunnel 13 corresponding to the protection device B is forbidden to operate, personal safety to the operator is avoided, the shuttle 4 in the tunnel 13 corresponding to the protection device B can normally operate, the warehouse entry and exit operations of other parts are not influenced, and the influence on the operation efficiency is reduced to the greatest extent; when maintenance or goods are aligned, the operator goes out of the roadway 13, operates the protection device B to enable the protection device B to be in a first state, and at the moment, the shuttle 4 in the roadway corresponding to the protection device B can resume operation, so that the problem that the operation efficiency and the safety cannot be achieved is solved.

In some embodiments, the service station 2 includes a service platform disposed in the roadway 13. Whereas for the lowermost roadway 13 the maintenance station 2 may be the ground.

In some embodiments, the stereoscopic shelf system further comprises a safety net 7, the safety net 7 enclosing the first shelf 11 and the second shelf 12, the safety net 7 having an operatively openable safety door 71, the protective device B being configured to be operatively in the second state after the safety door 71 is opened.

The safety net is surrounded outside the three-dimensional goods shelf to prevent people from entering the elevator and encountering safety accidents. Optionally, the safety net is disposed on the ground at a height substantially level with the nearest maintenance station above the ground.

In some embodiments, the stereoscopic shelf system further comprises a platform 8, the platform 8 is arranged on the ground and located outside the safety net, the safety door is arranged on the safety net, and an operator stands at the platform 8 to open or close the safety door. Or, the platform 8 is at the same height as the nearest maintenance station above the ground, the upper part and the lower part of the platform are provided with safety nets, but the safety net at the lower part of the platform is not provided with a safety door, so that operators are prevented from entering, the safety net at the upper part of the platform 8 is provided with the safety door, and the safety net at the lower part of the platform 8 is internally provided with parts such as a conveying line.

In some related art, the stereoscopic shelf system is not provided with a guard, and all devices are stopped when the safety door is opened to ensure the safety of operators, but work efficiency is seriously affected, and all devices start to operate when the safety door is closed and a reset button is pressed. And when the safety door is opened and the equipment is stopped, an operator climbs to a high maintenance station after entering the equipment, and the personnel on a platform corresponding to the low maintenance station cannot see the personnel at the high, so that the safety accident can be caused when the equipment is operated if the safety door is closed by mistake.

Therefore, in the embodiment of the disclosure, a protection piece 3 is disposed in each layer of roadway 13, when an operator needs to perform equipment maintenance or repair, the safety door 71 is opened first, the equipment is not stopped, the operator climbs onto the corresponding repair station 2, the second end of the protection piece 3 is disconnected from the second shelf 12, the protection device B is in the second state, at this time, the operation of the shuttle 4 in the roadway 13 corresponding to the protection device B is forbidden, the danger to the operator can be avoided, the shuttle 4 in other roadways 13 continues to operate, the working efficiency is not affected excessively, and after the safety door 17 is closed by mistake due to misoperation or wind blowing mistake, the safety accident is not triggered by starting operation of all equipment. In the disclosed embodiment, the safety door 71 on the safety net 7 is only opened for maintenance of the elevator, and the protection device B is required to be in the second state in order to enter the roadway for maintenance of the shuttle 4.

In some embodiments, the stereoscopic shelf system further comprises a platform 8, wherein the platform 8 is arranged outside the safety net 7, and the platform 8 is correspondingly arranged at the bottom of the safety door 71. An operator can operate on the platform 8 to open or close the safety door 71.

In some embodiments, the stereoscopic shelving system further comprises a ladder 9, the ladder 9 being provided at an end of the roadway 13 and extending in a height direction of the first and second shelves 11, 12, the ladder 9 being configured to allow an operator to climb to be located at different maintenance stations 2. The ramp 9 is located on the side of the shielding element 3 described below remote from the maintenance station 2.

Referring to fig. 2 and 3, in some embodiments, guard B comprises guard 3, a first end of guard 3 being fixedly attached to first shelf 11 and a second end of guard 3 being removably attached to second shelf 12; the second end of the protection piece 3 is connected with the second goods shelf 12 to be in the first state of the protection device B; the second end of the guard 3 is disconnected from the second shelf 12, being the second state of the guard B.

Each guard 3 controls the status of the shuttle car 4 in a layer of lanes 13. The second end of the protection piece 3 is connected with the second goods shelf 12, so that an operator can be prevented from entering the roadway 13, the protection device B is in a first state, the shuttle 4 in the roadway 13 corresponding to the protection device B is allowed to run, the operator is prevented from entering the roadway 13, and the safety of the operator can be ensured. The second end of the protecting piece 3 is disconnected with the second goods shelf 12, an operator can enter the roadway 13, the protecting device B is in the second state, the operation of the shuttle 4 in the roadway 13 corresponding to the protecting device B is forbidden, and the safety of the operator can be ensured.

The height direction of each layer of roadway 13 is provided with a plurality of layers of rails for running the shuttle car 4, and the height of each layer of roadway 13 is generally higher than the height of a person, so that the height of each layer of roadway 13 is generally set to be 2 meters, and operators can walk into the roadway 13 to perform maintenance, repair and other works; several layers of tracks are arranged at intervals within the height of 2 meters, the number of layers of the container is smaller as the container is higher, the number of layers of the container is larger as the container is lower, and the number of layers of the container is generally 4, or 3, or 5 layers or the like, and each layer of tracks corresponds to at least one shuttle.

The first end of the guard 3 may be fixedly connected to the first rail 111 on the first shelf 11 and to an end of the first rail 111, and the second end of the guard 3 may be detachably connected to the second rail 121 on the second shelf 12 and to an end of the second rail 121.

The shuttle 4 rides on the first rail 111 on the first rack 11 and the second rail 121 on the second rack 12, and runs along the first rail 111 on the first rack 11 and the second rail 121 on the second rack 12.

The protecting piece 3 is arranged at the maintenance station 2 of each layer of roadway 13 and can be positioned on a track layer which can be reached by an operator without lifting hands or squatting down and extending hands.

Optionally, the first and second ends of the guard 3 are connected to the bottom of a third layer of track from bottom to top in the roadway 13.

In some embodiments, the guard 3 is provided at an end of the roadway 13, and the maintenance station 2 is adjacent to the interior of the roadway 13 relative to the guard 3.

In some embodiments, the guard B further comprises a safety lock assembly 5, the second end of the guard 3 being detachably connected to the second shelf 12 by the safety lock assembly 5, the safety lock assembly 5 being configured such that in the locked state the second end of the guard 3 is connected to the second shelf 12 and in the unlocked state the second end of the guard 3 is disconnected from the second shelf 12.

The second end of the guard 3 is provided with a safety lock assembly 5, facilitating the detachable connection of the second end of the guard 3 with the second shelf 12 via the safety lock assembly 5.

In some embodiments, the safety lock assembly 5 includes a lock body 51 and a locking bolt 52. The lock body 51 is provided on the second shelf 12. The lock tongue 52 is insertedly connected with the lock body 51, and the second end of the guard 3 is connected with the lock tongue 52.

The safety lock assembly 5 is configured to be in a locked state when the lock tongue 52 is inserted into the lock body 51, and in an unlocked state when the lock tongue 52 is pulled out of the lock body 51.

In some embodiments, the safety lock assembly 5 further includes a stop 53 and a first connector 54. The first end of the first connecting piece 54 is connected to the lock tongue 52, the second end of the first connecting piece 54 is connected to the limiting block 53, the second end of the protecting piece 3 is connected to the first connecting piece 54, and the second end of the protecting piece 3 is located between the lock tongue 52 and the limiting block 53.

Alternatively, the first connector 54 includes a screw, a bolt, or the like.

In some embodiments, the safety lock assembly 5 further includes a first spacer ring 55, the first spacer ring 55 is sleeved on the first connecting member 54 and is located between the lock tongue 52 and the stopper 53, and the second end of the protection member 3 is connected to the first spacer ring 55.

In some embodiments, the safety lock assembly 5 further includes a bracket 56 and a stop 57.

The bracket 56 is fixedly arranged on the second shelf 12. The first end of the limiting member 57 is connected to the bracket 56, and the second end of the limiting member 57 is detachably connected to the limiting member 53.

Referring to fig. 7, the stopper 57 includes a screw or a bolt, or the like.

In some embodiments, the safety lock assembly 5 further includes a second connector 58 and a second spacer ring 59.

The first end of the second connecting piece 58 is connected to the latch 52, and the second end of the second connecting piece 58 is connected to the stopper 53. The second spacer ring 59 is sleeved on the second connecting piece 58 and is located between the lock tongue 52 and the limiting block 53.

Referring to fig. 7, the second connection member 58 includes a screw or bolt or the like.

Referring to fig. 4 and 10, in some embodiments, guard B includes guard 3 and control box 6; the first end of the protection piece 3 is fixedly connected to the first goods shelf 11, the second end is detachably connected to the second goods shelf 12, a controller 61 is arranged in the control box 6, and a request button 62 and a reset button 63 are arranged on the control box 6; the controller 61 is electrically connected with the request button 62, the reset button 63 and the shuttle 4; after the controller 61 receives the signal of the request button 62, the second end of the guard 3 is disconnected from the second shelf 12 to be in the second state; after the second end of the guard 3 is connected to the second shelf 12, the controller 61 receives a signal from the reset button 63 to be in the first state.

In some embodiments, the controller 61 is configured to control the shuttle 4 to stop operating after the current task is performed after receiving the signal of the request button 62, and to control the shuttle 4 to resume operating after receiving the signal of the reset button 63.

Referring to fig. 4, the first shelf 11 is provided with a first rail 111, the second shelf 12 is provided with a second rail 121, the control box 6 is arranged at the bottom of the second rail 121, and the safety lock assembly 5 is also arranged at the bottom of the second rail 121; the second end of the guard 3 is connected to the bolt 52 of the safety lock assembly 5 and the first end of the guard 3 is connected to the first rail 111.

In some embodiments, an opening button is further provided on the control box 6, and the opening button is configured to unlock the safety lock assembly 5 when pressed, so that the lock tongue 52 can be pulled out from the lock body 51.

In some embodiments, the guard 3 comprises a flexible connection. Optionally, the guard 3 comprises an iron chain.

Referring to fig. 4, the guard B includes a guard 3 and a safety lock assembly 5. The first end of the guard 3 is configured to be connected to a first component and the second end is configured to be detachably connected to a second component.

The first component here may be the first pallet 11, or the first rail 111 on the first pallet 11. The second component may be the second shelf 12, or a second track 121 on the second shelf 12.

The safety lock assembly 5 includes a lock body 51, a lock tongue 52, a stopper 53, and a first connector 54. The lock body 51 is configured to be provided to the second member; the lock tongue 52 is connected to the lock body 51 so as to be insertable. The first end of the first connecting piece 54 is connected to the lock tongue 52, and the second end of the first connecting piece 54 is connected to the stopper 53. The second end of the guard 3 is connected to the first connecting member 54 and is located between the latch 52 and the stopper 53. The safety lock assembly 5 is configured to be in a locked state when the lock tongue 52 is inserted into the lock body 51, and to be in an unlocked state when the lock tongue 52 is pulled out of the lock body 51.

The bracket 56 is configured to be fixedly disposed on the second member. The first end of the limiting member 57 is connected to the bracket 56, and the second end of the limiting member 57 is detachably connected to the limiting block 53. Alternatively, the second end of the stopper 57 may pass through a third hole 563 (refer to fig. 9) in the stopper 53.

Referring to fig. 5, 6 and 7, in some embodiments, the safety lock assembly 5 includes a lock body 51, a locking tongue 52, a stopper 53, a first connector 54, a first spacer 55, a bracket 56, a stopper 57, a second connector 58 and a second spacer 59.

The lock body 51 is arranged on the support 56, the first end of the first connecting piece 54 is connected with the lock tongue 52, the second end of the first connecting piece 54 is connected with the limiting block 53, the first spacer ring 55 is sleeved on the first connecting piece 54 and is positioned between the limiting block 53 and the lock tongue 52, the first end of the second connecting piece 58 is connected with the lock tongue 52, the second end of the second connecting piece 58 is connected with the limiting block 53, the second spacer ring 59 is sleeved on the second connecting piece 58 and is positioned between the limiting block 53 and the lock tongue 52, the first end of the limiting piece 57 is connected with the support 56, and the second end of the limiting piece 57 is detachably connected with the limiting block 53.

The bracket 56 can carry the lock body 51 and the limiting member 57 and is fixedly arranged on the second shelf 12.

The second end of the protection piece 3 is sleeved on the first spacing ring 55 and forms a whole with the lock tongue 52, the limiting piece 57 is connected to the bracket 56, when the lock tongue 52 is inserted into the lock body 51 for locking, the limiting piece 57 passes through the third hole 563 on the limiting piece 53 and is connected with the limiting piece 53, so that the weight of the protection piece 3 is borne, the protection piece 3 is prevented from sagging due to dead weight, the lock tongue 52 is prevented from deflecting, and even the lock body 51 is prevented from being damaged.

Referring to fig. 8, the latch 52 includes an insertion portion 523 and a connection portion 524, the connection portion 524 is connected to the insertion portion 523 and extends laterally to the insertion portion 523, the connection portion 524 is provided with a first hole 521 and a second hole 522, the first hole 521 is used for penetrating the first connecting piece 54, and the second hole 522 is used for penetrating the second connecting piece 58.

Referring to fig. 9, the bracket 56 includes a first plate 561 and a second plate 562, the second plate 562 is coupled to a portion of the first plate 561, and a side of the first plate 561, to which the second plate 562 is not coupled, is provided with a third hole 563, and the third hole 563 is used to couple the stopper 57.

Some embodiments also provide a stereoscopic shelving system comprising a first shelf 11, a second shelf 12, and the protective device B described above, wherein a first end of the protective member 3 of the protective device B is connected to the first shelf 11, and a second end of the protective member 3 is detachably connected to the second shelf 12.

In some embodiments, the method of maintenance use of the stereoscopic shelf system is: the safety door 71 on the safety net 7 is only used for maintenance work on the elevator, the safety door 71 is provided with a switch, whether the elevator is stopped or not can be operated, and an operator can enter the safety door 71 to perform maintenance and repair work on the elevator. When a certain layer of roadway 13 is needed to be accessed to repair the shuttle car 4 or to align a cargo box, the safety lock assembly 5 is needed to be opened; at this time, the request button 62 on the control box 6 is pressed firstly, the indicator lamp arranged on the control box 6 is green light and is in a stroboscopic state, the current task is completed by the shuttle 4 in the stroboscopic process, the green light of the indicator lamp is in a normally-on state after the current task is completed, the indicator lamp represents that all the shuttle in the roadway 13 is in a parking state, at this time, the safety lock assembly 5 can be unlocked, the lock tongue 52 is pulled out from the lock body 51, the second end of the protective piece 3 is disconnected with the second goods shelf 12, and personnel can enter the roadway 13; the shuttle cars 4 in other tunnels 13 except the tunnel 13 can normally operate, so that the warehouse-in and warehouse-out operations of other parts are not influenced, and the influence on the operation efficiency is reduced to the greatest extent; after maintenance, an operator inserts the lock tongue 52 into the lock body 51 after leaving the roadway 13, the second end of the protective piece 3 is connected with the second goods shelf 12, then the reset button 63 on the control box 6 is pressed, and at the moment, the shuttle 4 in the roadway 13 can resume operation; the operator then walks out of the safety door 71 at the safety net 7 and closes the safety door 71.

Based on the embodiments of the invention described above, features of one embodiment may be beneficially combined in any combination with one or more other embodiments without explicit negation.

While certain specific embodiments of the invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A stereoscopic shelving system, comprising:

the first goods shelf (11) and the second goods shelf (12) are arranged at intervals, and at least two layers of tunnels (13) are formed between the first goods shelf (11) and the second goods shelf (12);

the maintenance station (2) is arranged in each layer of roadway (13);

the shuttle vehicles (4) are arranged in each layer of roadway (13); and

the protection device (B) is arranged at a maintenance station (2) of each layer of roadway (13); the protection device (B) has a first state and a second state, the protection device (B) is configured to allow the shuttle (4) in the roadway (13) corresponding to the protection device (B) to operate in the first state, and prohibit the shuttle (4) in the roadway (13) corresponding to the protection device (B) from operating in the second state;

the protection device (B) comprises a protection piece (3), wherein a first end of the protection piece (3) is fixedly connected with the first goods shelf (11), and a second end of the protection piece is detachably connected with the second goods shelf (12); the second end of the protection piece (3) is connected with the second goods shelf (12) and is in a first state of the protection device (B); -the second end of the guard (3) is disconnected from the second shelf (12), being the second state of the guard (B);

the guard (B) further comprises a safety lock assembly (5), a second end of the guard (3) being detachably connected to the second shelf (12) by the safety lock assembly (5), the safety lock assembly (5) being configured such that in a locked state the second end of the guard (3) is connected to the second shelf (12) and in an unlocked state the second end of the guard (3) is disconnected from the second shelf (12);

the safety lock assembly (5) comprises:

a lock body (51) provided on the second shelf (12); and

a lock tongue (52) which is connected with the lock body (51) in an insertable manner, and the second end of the protection piece (3) is connected with the lock tongue (52);

the safety lock assembly (5) is configured to be inserted into the lock body (51) at the lock tongue (52) and to be in a locked state, and to be pulled out from the lock body (51) at the lock tongue (52) and to be in an unlocked state.

2. The three-dimensional shelving system as claimed in claim 1, characterized in that the guard (3) is provided at the end of the tunnel (13).

3. The three-dimensional shelving system as defined in claim 1, wherein the safety lock assembly (5) further comprises:

a stopper (53); and

the first connecting piece (54) is connected with the lock tongue (52) at a first end, the limiting block (53) at a second end, and the second end of the protection piece (3) is connected with the first connecting piece (54) and is located between the lock tongue (52) and the limiting block (53).

4. A three-dimensional shelving system as claimed in claim 3, wherein the safety lock assembly (5) further comprises a first spacer ring (55), the first spacer ring (55) being sleeved on the first connector (54) and located between the locking tongue (52) and the stopper (53), the second end of the guard (3) being connected to the first spacer ring (55).

5. A three-dimensional shelving system as claimed in claim 3, wherein the safety lock assembly (5) further comprises:

a bracket (56) fixedly arranged on the second goods shelf (12); and

and the first end of the limiting piece (57) is connected with the bracket (56), and the second end of the limiting piece is detachably connected with the limiting piece (53).

6. A three-dimensional shelving system as claimed in claim 3, wherein the safety lock assembly (5) further comprises:

and a second connecting piece (58), the first end of which is connected with the lock tongue (52) and the second end of which is connected with the limiting block (53): and

The second spacing ring (59) is sleeved on the second connecting piece (58) and is positioned between the lock tongue (52) and the limiting block (53).

7. The stereoscopic shelving system as defined in claim 1, wherein the guard (B) comprises a guard (3) and a control box (6); the first end of the protection piece (3) is fixedly connected to the first goods shelf (11), the second end of the protection piece is detachably connected to the second goods shelf (12), a controller (61) is arranged in the control box (6), and a request button (62) and a reset button (63) are arranged on the control box (6); the controller (61) is electrically connected with the request button (62), the reset button (63) and the shuttle (4); -after the controller (61) receives the signal of the request button (62), the second end of the guard (3) is disconnected from the second shelf (12), being in the second state; after the second end of the protection piece (3) is connected with the second goods shelf (12), the controller (61) receives a signal of the reset button (63) to be in the first state.

8. The stereoscopic shelving system as defined in claim 7, wherein the controller (61) is configured to control the shuttle (4) to stop operating after the current task is performed after receiving the signal of the request button (62), and to control the shuttle (4) to resume operating after receiving the signal of the reset button (63).

9. The stereoscopic shelving system as defined in any one of claims 1 to 8, wherein the guard (3) comprises a flexible connection.

10. The stereoscopic shelving system as defined in any one of claims 1 to 8, further comprising a safety net (7), the safety net (7) enclosing the first shelf (11) and the second shelf (12), the safety net (7) having an operatively openable safety door (71), the guard (B) being configured to be operatively in the second state after the safety door (71) is opened.

11. The stereoscopic shelf system according to claim 10, further comprising a platform (8), said platform (8) being provided outside said safety net (7), said platform (8) being provided in correspondence of the bottom of said safety door (71).

12. The stereoscopic shelving system as defined in any one of claims 1 to 8, further comprising a ladder (9), the ladder (9) extending in a height direction of the first shelf (11) and the second shelf (12), the ladder (9) being provided on a side of the guard (3) remote from the service station (2), the ladder (9) being configured to allow an operator to climb to be located at a different service station (2).

13. A protective device, comprising:

a guard (3) having a first end configured to be connected to the first component and a second end configured to be detachably connected to the second component; and

the safety lock assembly (5) comprises a lock body (51), a lock tongue (52), a limiting block (53) and a first connecting piece (54); the lock body (51) is configured to be provided to the second member; the lock tongue (52) is connected with the lock body (51) in an insertable manner; the first end of the first connecting piece (54) is connected with the lock tongue (52), the second end of the first connecting piece is connected with the limiting block (53), and the second end of the protecting piece (3) is connected with the first connecting piece (54) and is positioned between the lock tongue (52) and the limiting block (53); the safety lock assembly (5) is configured to be in a locked state when the lock tongue (52) is inserted into the lock body (51), and to be in an unlocked state when the lock tongue (52) is pulled out from the lock body (51).

14. The protection device according to claim 13, wherein the safety lock assembly (5) further comprises a first spacer ring (55), the first spacer ring (55) is sleeved on the first connecting piece (54) and is located between the lock tongue (52) and the limiting block (53), and the second end of the protection piece (3) is connected to the first spacer ring (55).

15. The protection device according to claim 13, wherein the safety lock assembly (5) further comprises:

a bracket (56) configured to be fixedly provided to the second member; and

16. The protection device according to claim 13, wherein the safety lock assembly (5) further comprises:

17. A stereoscopic shelving system, characterized in that it comprises a first shelf (11), a second shelf (12) and a protective device according to any one of claims 13 to 16, wherein a first end of a protective element (3) of the protective device is connected to the first shelf (11) and a second end is detachably connected to the second shelf (12).