A ring-shaped three-dimensional warehouse

Abstract

The present invention discloses an annular three-dimensional warehouse, which includes an annular warehouse body. An installation plate is installed and erected on the opening side of the annular warehouse body. A lead screw body is provided on the installation plate. A nut of the lead screw body is connected with a sliding plate. A receiving plate is arranged outside the sliding plate, and the receiving plate cooperates with the sliding plate for lifting movement. The installation plate is provided with a positioning structure for limiting the trolley. The positioning structure includes an installation block and an L-shaped block. The installation block is connected with the installation plate. Two clamping blocks are symmetrically arranged on the installation plate. The opposite sides of the outer ends of the two clamping blocks are arc-shaped. The L-shaped block is connected with the vehicle board of the trolley, and the L-shaped block is in limit cooperation with the installation block. The present invention has the advantages that when the trolley is pushed into the opening of the annular warehouse body, the trolley is restricted at the installation plate, the receiving plate is at a set height for the robotic arm to place the box, and the descending receiving plate corresponds to the vehicle board of the trolley, which is convenient for placing the box on the vehicle board.

Description

Technical Field

[0001] The present invention relates to the technical field of storage, and particularly to an annular three-dimensional warehouse. Background Technique

[0002] Storage refers to the process of storing items, energy, information, etc. under certain conditions for subsequent use or management, and the storage of items is relatively common.

[0003] For the storage of boxed items, the boxes containing the items can be stored one by one in grids through an annular three-dimensional warehouse. The annular three-dimensional warehouse is composed of multiple groups of mounting frames arranged in a ring shape. Multiple support plates are provided on the side of each group of mounting frames. The space between two groups of mounting frames is used to place the boxes, and the boxes are supported and placed by two corresponding support plates. A clamping robotic arm is arranged in the middle of the annular three-dimensional warehouse, and the clamping robotic arm picks up and places the boxes containing the items at the annular three-dimensional warehouse according to a predetermined program.

[0004] When taking away the boxes containing the items in the annular three-dimensional warehouse, the staff push the trolley to the annular three-dimensional warehouse, and then the clamping robotic arm clamps the corresponding box in the annular three-dimensional warehouse. However, the position of the trolley pushed by the staff is uncertain each time at the annular three-dimensional warehouse, and there will be a certain deviation. The position where the clamping robotic arm places the box is fixed. Once the deviation is too large, the staff still needs to adjust it.

[0005] In view of this, we propose an annular three-dimensional warehouse. Summary of the Invention

[0006] The purpose of the present invention is to provide an annular three-dimensional warehouse to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the present invention provides the following technical solution: An annular three-dimensional warehouse, including an annular warehouse body. The annular warehouse body is provided with an opening. A mounting plate is fixedly provided on the mounting frame on the opening side of the annular warehouse body. The mounting plate is L-shaped. A bolt is passed through the longitudinal end of the mounting plate, and a nut is screwed onto one end of the bolt passing through the mounting frame to fix the mounting plate. A lead screw body is fixedly provided on the transverse section of the mounting plate. A nut of the lead screw body is fixedly connected with a sliding plate. A receiving plate is arranged outside the sliding plate, and the receiving plate moves up and down in cooperation with the sliding plate;

[0008] The transverse section of the mounting plate is provided with a positioning structure for limiting the trolley. The positioning structure includes a mounting block and an L-shaped block. The transverse section of the mounting block is fixedly connected to the transverse section of the mounting plate by screws, and the screws pass through the transverse section of the mounting block and are screwed into the screw holes of the transverse section of the mounting plate. Two clamping blocks are symmetrically and fixedly arranged on the longitudinal section of the mounting plate. The opposite sides of the outer ends of the two clamping blocks are arc-shaped. The gap between the two clamping blocks is used for clamping the car plate of the trolley. The transverse end of the L-shaped block is fixedly connected to one side of the car plate of the trolley, and the intersection of the transverse section and the longitudinal section of the L-shaped block is in limit fit with the longitudinal end of the mounting block.

[0009] Preferably, the positioning structure further includes a fixing block and an L-shaped plate. The fixing block is fixedly arranged at the bottom of the longitudinal section of the mounting block. The longitudinal section of the L-shaped plate passes through the hole in the fixing block. The outer side of the longitudinal end of the L-shaped plate is provided with an inclined surface. A spring is connected between the inner end of the transverse section of the L-shaped plate and the fixing block. The longitudinal end of the L-shaped plate is inserted and matched with the positioning groove opened at the bottom side of the longitudinal section of the L-shaped block.

[0010] Preferably, a limit block C is fixedly arranged on the longitudinal section of the L-shaped plate, and the limit block C is in limit fit with the top side of the fixing block.

[0011] Preferably, a connecting sleeve is arranged at the bottom side of the receiving plate. A connecting shaft is inserted into the connecting sleeve. The end of the connecting shaft is connected to the sliding plate through a rotating structure. The rotating structure includes a box body. The box body is fixedly connected to the sliding plate. The end of the connecting shaft is rotatably connected to the box body through a rotating shaft. A clockwork spring is arranged in the box body. The end section of the connecting shaft is elastically connected to the box body through the clockwork spring. A collar is sleeved on the end section of the connecting shaft. Two limit blocks A are symmetrically and fixedly arranged on the collar. A limit block B is fixedly arranged on the inner circumferential wall of the box body. The limit block A is in limit fit with the limit block B. A box cover is sleeved on the connecting shaft. The box cover is hermetically matched with the opening side of the box body. A bottom block is arranged at the bottom of the mounting plate. The top end of the bottom block abuts against one end of the bottom side of the receiving plate.

[0012] Preferably, the top end of the bottom block is inclined.

[0013] Preferably, a plurality of grooves are formed on the top side of the receiving plate. A roller is rotatably arranged in the grooves. Both ends of the roller are rotatably connected to a connecting block through a rotating shaft. The connecting block is fixedly arranged at the end of the inner cavity of the groove.

[0014] Preferably, the roller does not contact the inner cavity wall of the groove, and the roller extends out of the inner cavity of the groove.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. By providing a lead screw body, a receiving plate, a mounting block, a clamping block, and an L-shaped block, the present invention has the advantage that when the trolley is pushed into the opening of the annular warehouse body, the trolley is restricted at the mounting plate, and the receiving plate is at a set height for the robotic arm to place the box. The descending receiving plate corresponds to the trolley's car body, facilitating the placement of the box on the car body. This solves the problem that there is a certain deviation when the trolley is pushed in, and the position where the clamping robotic arm places the box is fixed. Once the deviation is too large, it still requires staff adjustment.

[0017] 2. By providing an L-shaped block, a fixed block, an L-shaped plate, a spring, and a limiting block C, the present invention has the advantage of positioning the trolley and maintaining its stability when the trolley is placed.

[0018] 3. By providing a bottom block, a connecting shaft, a box body, a box cover, a clockwork spring, a collar, a limiting block A, and a limiting block B, the present invention has the advantage that after the receiving plate descends, it can push the receiving plate to be inclined, facilitating the boxes on the receiving plate to enter the trolley's car body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 is a schematic diagram of the ascending state of the lifting structure of the present invention;

[0021] Figure 3 is a schematic diagram of the descending state of the lifting structure of the present invention;

[0022] Figure 4 is a schematic diagram of the connection structure of the receiving plate of the present invention;

[0023] Figure 5 is a schematic diagram of the connection in the limiting state of the rotating structure of the present invention;

[0024] Figure 6 is a schematic diagram of the connection in the rotating state of the rotating structure of the present invention;

[0025] Figure 7 is a schematic diagram of the roller connection structure of the present invention;

[0026] Figure 8 is of the present invention Figure 7 magnified schematic diagram at A;

[0027] Figure 9 is a rear view schematic diagram of the lifting structure of the present invention;

[0028] Figure 10 is a schematic diagram of the positioning structure of the present invention;

[0029] Figure 11 is a schematic diagram of the positioning connection part of the positioning structure of the present invention.

[0030] In the figure: 100, annular warehouse body; 200, mounting plate; 300, lead screw body; 400, receiving plate; 500, bottom block; 600, connecting shaft; 700, rotating structure; 800, positioning structure;

[0031] 401, connecting sleeve; 402, groove; 403, roller; 404, rotating shaft; 405, connecting block;

[0032] 701, box body; 702, box cover; 703, clockwork spring; 704, collar; 705, limit block A; 706, limit block B;

[0033] 801, mounting block; 802, clamping block; 803, L-shaped block; 804, fixing block; 805, L-shaped plate; 806, spring; 807, limit block C;

[0034] 8031, positioning groove. Detailed implementation mode

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0036] Please refer to Figures 1 to 3 , Figure 9 and Figure 10 An embodiment provided by the present invention: An annular three-dimensional warehouse includes an annular warehouse body 100, which is composed of multiple groups of mounting frames in a ring shape. Multiple support plates are arranged on the side of each group of mounting frames. The space between two groups of mounting frames is used to place boxes, and the boxes are supported and placed by two corresponding support plates; A clamping robotic arm is arranged in the middle of the annular warehouse body 100, and the clamping robotic arm picks up and places boxes containing items at the annular warehouse body 100 according to a predetermined program. The annular warehouse body 100 is provided with an opening, and a staff member can push a cart into the opening. A mounting plate 200 is fixedly arranged on the mounting frame on the opening side of the annular warehouse body 100. The mounting plate 200 is set in an L shape. A bolt is passed through the longitudinal end of the mounting plate 200, and a nut is screwed onto one end of the bolt passing through the mounting frame to fix the mounting plate 200. A lead screw body 300 is fixedly arranged on the transverse section of the mounting plate 200. The lead screw body 300 includes a bearing seat, a screw rod, and a nut. The bearing seat bears the screw rod, and the screw rod is driven to rotate by a stepping motor, so that the nut moves along the screw rod. The nut of the lead screw body 300 is fixedly connected with a sliding plate, and the movement of the nut drives the sliding plate to move. A receiving plate 400 is arranged outside the sliding plate, and the receiving plate 400 cooperates with the sliding plate to move up and down.

[0037] The transverse section of the mounting plate 200 is provided with a positioning structure 800 for limiting the trolley. The positioning structure 800 includes a mounting block 801 and an L-shaped block 803. The transverse section of the mounting block 801 is fixedly connected to the transverse section of the mounting plate 200 by screws. The screws pass through the transverse section of the mounting block 801 and are screwed into the screw holes of the transverse section of the mounting plate 200. Two clamping blocks 802 are symmetrically fixed on the longitudinal section of the mounting plate 200. The opposite sides of the outer ends of the two clamping blocks 802 are arc-shaped. The gap between the two clamping blocks 802 is used to clamp the trolley board. When the trolley board is pushed into the gap between the two clamping blocks 802, the arc-shaped design increases the opening between the two clamping blocks 802, which helps the trolley board to be pushed in. The transverse end of the L-shaped block 803 is fixedly connected to one side of the trolley board. The intersection of the transverse section and the longitudinal section of the L-shaped block 803 is in limit fit with the longitudinal end of the mounting block 801. The staff pushes the trolley into the opening. The side of the trolley board is correspondingly pushed into the gap between the two clamping blocks 802. The side of the trolley board contacts the longitudinal section of the mounting block 801 and the transverse end of the mounting plate 200. Continue to push the trolley until the intersection of the transverse section and the longitudinal section of the L-shaped block 803 contacts the longitudinal end of the mounting block 801 to limit the trolley.

[0038] By setting the lead screw body 300, the receiving plate 400, the mounting block 801, the clamping block 802 and the L-shaped block 803, the present invention has the advantages that when the trolley is pushed into the opening of the annular warehouse body 100, the trolley is restricted at the mounting plate 200, and the receiving plate 400 is at a set height for the robotic arm to place the box. The descending receiving plate 400 corresponds to the trolley board, which is convenient for placing the box on the trolley board, and solves the problem that there is a certain deviation when the trolley is pushed in. The position where the clamping robotic arm places the box is fixed. Once the deviation is too large, the staff still needs to adjust it.

[0039] Please refer to Figures 9 to 11, an embodiment provided by the present invention: a ring-shaped three-dimensional warehouse, the positioning structure 800 also includes a fixed block 804 and an L-shaped plate 805, the fixed block 804 is fixedly arranged at the bottom of the longitudinal section of the mounting block 801, the longitudinal section of the L-shaped plate 805 passes through the hole on the fixed block 804, the outer side of the longitudinal end of the L-shaped plate 805 is set into an inclined surface, and a spring 806 is connected between the inner end of the transverse section of the L-shaped plate 805 and the fixed block 804, and the two ends of the spring 806 are respectively fixedly connected to the inner end of the transverse section of the L-shaped plate 805 and the fixed block 804, and the elastic coefficient of the spring 806 is selected and used by technicians in this profession according to actual conditions; the longitudinal end of the L-shaped plate 805 is inserted into and matched with the positioning groove 8031 opened on the bottom side of the longitudinal section of the L-shaped block 803. Before the intersection of the transverse and longitudinal sections of the L-shaped block 803 contacts the longitudinal end of the mounting block 801, the longitudinal end of the L-shaped block 803 contacts the inclined surface on the outer side of the longitudinal end of the L-shaped plate 805. As the L-shaped block 803 moves, the L-shaped plate 805 is pushed down along the inclined surface, and the longitudinal section of the L-shaped block 803 moves down along the hole of the fixed block 804. The spring 806 is stretched. When the intersection of the transverse and longitudinal sections of the L-shaped block 803 contacts the longitudinal end of the mounting block 801, the longitudinal end of the L-shaped block 803 corresponds to the positioning groove 8031. Under the action of the spring 806, the longitudinal section of the L-shaped block 803 moves up along the hole of the fixed block 804 until the longitudinal end of the L-shaped block 803 is inserted into the positioning groove 8031, positioning the L-shaped block 803 and thus positioning the cart. When taking out the cart, the staff steps on the extended horizontal section of the L-shaped plate 805 with their feet, and the L-shaped plate 805 moves down until the longitudinal end of the L-shaped block 803 leaves the positioning groove 8031, and pushes the cart away.

[0040] A stopper C807 is fixed to the longitudinal section of the L-shaped plate 805, and the stopper C807 engages with the top side of the fixed block 804. As the L-shaped plate 805 moves downward, the stopper C807 contacts the top side of the fixed block 804, limiting the downward movement of the L-shaped plate 805 and preventing the longitudinal section of the L-shaped plate 805 from disengaging from the hole in the fixed block 804.

[0041] The present invention has the advantage of positioning the cart and keeping the cart stable when placing the cart by arranging the L-shaped block 803, the fixing block 804, the L-shaped plate 805, the spring 806 and the limit block C807.

[0042] See also Figures 2 to 8, an embodiment provided by the present invention: a ring-shaped three-dimensional warehouse, a connecting sleeve 401 is provided on the bottom side of the receiving plate 400, a connecting shaft 600 is inserted into the connecting sleeve 401, and the end of the connecting shaft 600 is connected to the sliding plate through a rotating structure 700. The rotating structure 700 includes a box body 701, the box body 701 is fixedly connected to the sliding plate, the end of the connecting shaft 600 is rotatably connected to the box body 701 through a rotating shaft, a clockwork spring 703 is provided in the box body 701, and the end section of the connecting shaft 600 is elastically connected to the box body 701 through the clockwork spring 703. The elastic coefficient of the clockwork spring 703 is selected and used by technicians in this field according to the actual situation. A bottom block 500 is provided at the bottom of the mounting plate 200, and the top end of the bottom block 500 abuts against the bottom side of one end of the receiving plate 400. The top end of the bottom block 500 is inclined, and the inclined bottom side of the receiving plate 400 contacts the inclined surface of the top end of the bottom block 500. After one end of the bottom side of the receiving plate 400 is lifted by the top end of the bottom block 500, the receiving plate 400 tends to rotate towards the cart board. When the connecting shaft 600 rotates, the clockwork spring 703 is tightened, and the clockwork spring 703 stores potential energy until the inclined bottom side of the receiving plate 400 contacts the inclined surface of the top end of the bottom block 500. The lower end of the receiving plate 400 corresponds to the cart board of the cart, and the box slides down along the inclined receiving plate 400 onto the cart board.

[0043] A collar 704 is sleeved on the end section of the connecting shaft 600. Two limiting blocks A705 are symmetrically fixed on the collar 704. A limiting block B706 is fixed on the inner circumferential wall of the box body 701. The limiting block A705 and the limiting block B706 are in limiting cooperation. A box cover 702 is sleeved on the connecting shaft 600, and the box cover 702 is hermetically fitted with the opening side of the box body 701. When the receiving plate 400 rotates together with the connecting shaft 600, the collar 704 and the limiting block A705 rotate accordingly, and the limiting block A705 and the limiting block B706 are separated. After the receiving plate 400 moves upward, the receiving plate 400 is no longer lifted by the top end of the bottom block 500. Under the action of the clockwork spring 703, the connecting shaft 600 rotates back, and the receiving plate 400 rotates back accordingly until the limiting block A705 contacts the limiting block B706 for limiting, and the receiving plate 400 is in a horizontal state.

[0044] By setting the bottom block 500, the connecting shaft 600, the box body 701, the box cover 702, the clockwork spring 703, the collar 704, the limiting block A705 and the limiting block B706, the present invention has the advantage that after the receiving plate 400 descends, the receiving plate 400 can be pushed to be inclined, which is convenient for the box on the receiving plate 400 to enter the cart board.

[0045] A plurality of grooves 402 are formed in the top side of the receiving plate 400. A roller 403 is rotatably arranged in the groove 402. Both ends of the roller 403 are rotatably connected with connecting blocks 405 through rotating shafts 404 respectively. The connecting blocks 405 are fixedly arranged at the ends of the inner cavity of the groove 402. The roller 403 does not contact the inner cavity wall of the groove 402, and the roller 403 extends out of the inner cavity of the groove 402 without affecting the rotation of the roller 403. After the receiving plate 400 is tilted, the box slides down along the roller 403 onto the carriage board of the trolley. The arrangement of the roller 403 reduces the friction force of the box sliding down, which helps the box roll from the receiving plate 400 onto the carriage board of the trolley.

[0046] Working principle: The staff pushes the trolley into the opening. The side of the carriage board of the trolley is correspondingly pushed between two clamping blocks 802. The side of the carriage board of the trolley contacts the longitudinal section of the mounting block 801 and the transverse end of the mounting plate 200. Continue to push the trolley until the intersection of the transverse section and the longitudinal section of the L-shaped block 803 contacts the longitudinal end of the mounting block 801 to limit the position of the trolley. Continue to push the trolley. Before the intersection of the transverse section and the longitudinal section of the L-shaped block 803 contacts the longitudinal end of the mounting block 801, the longitudinal end of the L-shaped block 803 contacts the inclined surface outside the longitudinal end of the L-shaped plate 805. As the L-shaped block 803 moves, the L-shaped plate 805 is pushed down along the inclined surface. The longitudinal section of the L-shaped block 803 moves down along the hole of the fixed block 804, and the spring 806 is stretched. When the intersection of the transverse section and the longitudinal section of the L-shaped block 803 contacts the longitudinal end of the mounting block 801, the longitudinal end of the L-shaped block 803 corresponds to the positioning groove 8031. Under the action of the spring 806, the longitudinal section of the L-shaped block 803 moves up along the hole of the fixed block 804 until the longitudinal end of the L-shaped block 803 is inserted into the positioning groove 8031 to position the L-shaped block 803, thereby positioning the trolley. The box clamped and taken out by the robotic arm from the annular warehouse body 100 is correspondingly placed on the receiving plate 400. The box offsets towards one end of the top side of the receiving plate 400, and the center of gravity of the box leans towards one end of the receiving plate 400. The stepping motor drives the screw to rotate, causing the nut to move along the screw. The movement of the nut drives the sliding plate to move, and the sliding plate drives the receiving plate 400 to move down. When one end of the bottom side of the receiving plate 400 is jacked up by the top end of the bottom block 500, the receiving plate 400 tends to rotate towards the carriage board of the trolley. When the connecting shaft 600 rotates, the clockwork spring 703 is tightened, and the clockwork spring 703 stores potential energy. The collar 704 and the limiting block A705 rotate along with the connecting shaft 600, and the limiting block A705 separates from the limiting block B706 until the bottom side of the inclined receiving plate 400 contacts the inclined surface of the top end of the bottom block 500. The lower end of the receiving plate 400 corresponds to the carriage board of the trolley, and the box slides down along the roller 403 on the inclined receiving plate 400 onto the carriage board of the trolley. When taking out the trolley, the staff steps on the extended transverse section of the L-shaped plate 805 with their foot, and the L-shaped plate 805 moves down until the longitudinal end of the L-shaped block 803 leaves the positioning groove 8031, and then pushes the trolley away. The carriage board of the trolley disengages from between the two clamping blocks 802.

[0047] Then, control the lifting of the receiving plate 400. After the receiving plate 400 is lifted, the receiving plate 400 is no longer lifted by the top end of the bottom block 500. Under the action of the clockwork spring 703, the connecting shaft 600 rotates, and the receiving plate 400 rotates accordingly until the limiting block A705 contacts and limits with the limiting block B706, and the receiving plate 400 is in a horizontal state.

[0048] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A ring-shaped three-dimensional warehouse, characterized in that: It includes an annular warehouse body (100). An installation plate (200) is installed on the opening side of the annular warehouse body (100). A lead screw body (300) is provided on the installation plate (200). A nut of the lead screw body (300) is connected to a sliding plate. A receiving plate (400) is arranged outside the sliding plate, and the receiving plate (400) moves up and down in cooperation with the sliding plate; The installation plate (200) is provided with a positioning structure (800). The positioning structure (800) is used for limiting the trolley. The positioning structure (800) includes an installation block (801) and an L-shaped block (803). The installation block (801) is connected to the installation plate (200). Two clamping blocks (802) are symmetrically arranged on the installation plate (200). The opposite sides of the outer ends of the two clamping blocks (802) are arc-shaped. The L-shaped block (803) is connected to the car plate of the trolley, and the L-shaped block (803) is in limiting cooperation with the installation block (801); The positioning structure (800) further includes a fixed block (804) and an L-shaped plate (805). The fixed block (804) is arranged on the installation block (801). The L-shaped plate (805) passes through a hole in the fixed block (804). The outer side of the L-shaped plate (805) is a slope. A spring (806) is connected between the L-shaped plate (805) and the fixed block (804). The L-shaped plate (805) is inserted and matched with a positioning groove (8031) opened on the L-shaped block (803); A connecting sleeve (401) is arranged at the bottom side of the receiving plate (400). A connecting shaft (600) is inserted into the connecting sleeve (401). The end of the connecting shaft (600) is connected to the sliding plate through a rotating structure (700). The rotating structure (700) includes a box body (701). The box body (701) is connected to the sliding plate. The end of the connecting shaft (600) is connected to the box body (701) through a rotating shaft. A clockwork spring (703) is arranged in the box body (701). The end section of the connecting shaft (600) is elastically connected to the box body (701) through the clockwork spring (703). A collar (704) is sleeved on the end section of the connecting shaft (600). A limiting block A (705) is arranged on the collar (704). A limiting block B (706) is arranged on the inner circumferential wall of the box body (701). The limiting block A (705) is in limiting cooperation with the limiting block B (706). A box cover (702) is sleeved on the connecting shaft (600). The box cover (702) is hermetically matched with the opening side of the box body (701). A bottom block (500) is arranged at the bottom of the installation plate (200). The top end of the bottom block (500) is in abutting cooperation with one end of the bottom side of the receiving plate (400); A plurality of grooves (402) are opened on the top side of the receiving plate (400). A roller (403) is rotatably arranged in the groove (402). The two ends of the roller (403) are respectively connected to a connecting block (405) through a rotating shaft (404). The connecting block (405) is arranged at the end of the inner cavity of the groove (402); The roller (403) does not contact the inner cavity wall of the groove (402), and the roller (403) extends out of the inner cavity of the groove (402).

2. The annular three-dimensional warehouse according to claim 1, characterized in that: The L-shaped plate (805) is provided with a limiting block C (807), and the limiting block C (807) is in limiting cooperation with the fixed block (804).

3. The annular three-dimensional warehouse according to claim 1, characterized in that: The top end of the bottom block (500) is inclinedly arranged.

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