Vertical lift container

Abstract

The present invention discloses a vertical lifting container, which includes a cabinet frame. A support platform is provided on the cabinet frame for placing trays. An electric door device is provided at the bottom of the cabinet frame, and a counterweight device and a fall prevention device are provided on the side. The beneficial effects of the present invention are as follows: The counterweight device moves simultaneously with the lifting platform and moves in the opposite direction, effectively reducing the output torque of the motor, reducing the motor power, saving costs, and improving work efficiency. The electric door device feeds back signals to the system through its sensing device to determine the state of the single-opening door, thereby realizing the opening and closing of the built-in single-opening door and improving the degree of automation. The fall prevention device adopts mechanical and electrical detection methods to prevent falling after the failure of transmission components such as synchronous belts. The mechanical anti-fall component inserts into the anti-fall hole in time after the synchronous belt breaks to position the lifting device; at the same time, when the electrical detection detects that the synchronous belt breaks and feeds back the signal to the system, the motor system stops running, improving the safety performance.

Description

Technical Field

[0001] The present invention relates to the field of warehousing equipment, and particularly to a vertical lift container. Background Art

[0002] The vertical lift container is a storage device with pallets as units and is the main equipment for modern warehousing, realizing automated management operations in the warehouse.

[0003] In the prior art, the vertical lift container is not provided with a fall prevention mechanism. After the transmission components such as the synchronous belt break, the lifting platform drops. Only the bottom anti-collision block can be relied on to reduce the falling buffer force, and the loss caused by the falling of the lifting platform cannot be effectively solved; the single-door opening device set adopts the form of double-sided synchronous belts or chains, which is complex in processing and assembly, time-consuming and laborious, and has a high processing cost; there is no counterweight device, and the motor completely bears all the weight, and the power consumption of the drive system such as the motor and reducer is large and the cost is relatively high.

[0004] Therefore, it is necessary to improve the vertical lift container to meet the actual use requirements. Summary of the Invention

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a vertical lift container, which improves the safety performance, the degree of automation, and the working efficiency.

[0006] The technical solution adopted by the present invention to achieve its technical purpose is: a vertical lift container, including a cabinet frame, a support platform is provided on the cabinet frame, the support platform is used for placing pallets, an electric door device is provided at the bottom of the cabinet frame, and a counterweight device and a fall prevention device are provided on the side.

[0007] The electric door device includes an electric door panel, a first slide rail, a second slide rail, a first column, a second column, a base, a lifter, and an induction device; the electric door panel is installed inside the vertical lift container, the left side of the electric door panel is connected to the first column through the first slide rail and can move in the up and down directions; the right side of the electric door panel is connected to the second column through the second slide rail and can move in the up and down directions; the lifter includes a lifting motor, a lead screw, and a lead screw nut, and the lead screw nut is connected to the electric door panel and can move in the up and down directions.

[0008] The counterweight device includes counterweight blocks, guide rods, fixed rods, connecting pieces, lifting rings, guide rod fixing brackets, first guide rod fixing pieces, second guide rod fixing pieces, steel wire ropes, pulleys, pulley shafts, pulley seats, and shoulder bolts. The counterweight blocks are multiple and arranged in sequence. The fixed rod passes through the middle holes of the counterweight blocks and is tightened with double nuts at the bottom. At the top, it is first tightened with a nut and then the connecting piece is screwed onto the fixed rod, and the lifting ring is screwed into the connecting piece. One end of the steel wire rope bypasses the pulley and is fixed to the lifting ring of the counterweight device through a rope sleeve, and the other end is fixed to the lifting ring of the lifting platform. The guide rods are inserted into the round holes on both sides of the counterweight blocks and fixed to the base. The first guide rod fixing piece and the second guide rod fixing piece clamp the guide rod with bolts and are fixed to the guide rod fixing bracket, and the guide rod fixing bracket is fixed to the cabinet frame. The pulley is connected and installed on the pulley seat through the pulley shaft. A shoulder bolt is installed on the pulley seat to prevent the steel wire rope from slipping out of the pulley.

[0009] The anti-falling device includes a lifting platform, on which there are a left side plate and a right side plate. Safety lock block assemblies are respectively provided on the left side plate and the right side plate. A synchronous belt is provided on one side of the safety lock block assembly, and an anti-falling frame is provided on the other side. The upper and lower ends of the synchronous belt are respectively matched with transmission shafts, and an anti-falling hole is provided on the anti-falling frame.

[0010] Preferably, the safety lock block assembly includes a safety lock block. A safety shaft is sleeved on the safety lock block. One end of the safety shaft is fixed to the side plate, and the other end is fixed to the safety lock block through an oil-free bushing and a first elastic retaining ring. A friction wheel is also connected to the safety lock block through a bearing, and the friction wheel is fixed to the outside of the bearing through a second elastic retaining ring.

[0011] An anti-falling shaft is provided above the safety lock block. A first spring tensioning bolt is provided on the back of the safety lock block. An induction control device is also provided on the side plate and on the back of the friction wheel. A second spring tensioning bolt is provided on the side plate and at the lower right of the first spring tensioning bolt. A spring is also provided between the first spring tensioning bolt and the second spring tensioning bolt.

[0012] Preferably, the lifter of the electric door device has two lead screws and two lead screw nuts. The lead screw nuts are connected to the electric door, and the lifting motor drives the lead screws to drive the electric door to move up and down.

[0013] Preferably, both the first slide rail and the second slide rail of the electric door device are two-section or three-section telescopic slide rails.

[0014] The beneficial effects of the present invention are as follows: The counterweight device moves simultaneously with the lifting platform and moves in the opposite direction, effectively reducing the output torque of the motor, reducing the motor power, saving costs, and improving work efficiency. The electric door device feeds back signals to the system through its sensing device to determine the state of the single-opening door, thereby realizing the opening and closing of the built-in single-opening door and improving the degree of automation. The anti-falling device adopts mechanical and electrical detection methods to prevent falling after the failure of transmission components such as synchronous belts. When the synchronous belt breaks, the mechanical anti-falling component inserts into the anti-falling hole in time to position the lifting device; at the same time, when the electrical system detects that the synchronous belt breaks and feeds back a signal to the system, the motor system stops running, improving safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 is a schematic diagram of the structure from another angle of the present invention;

[0017] Figure 3 is a schematic diagram of the bottom structure of the counterweight device;

[0018] Figure 4 is a schematic diagram of the top structure of the counterweight device;

[0019] Figure 5 is a schematic diagram of the pulley part structure of the counterweight device;

[0020] Figure 6 is a schematic diagram of the electric door device structure;

[0021] Figure 7 is a schematic diagram of the structure of the electric door device from another angle;

[0022] Figure 8 is a schematic diagram of the overall structure of the anti-falling device;

[0023] Figure 9 is a schematic diagram of the structure of the synchronous belt and bracket part of the anti-falling device;

[0024] Figure 10 is a schematic diagram of the structure of the safety lock block and friction wheel part of the anti-falling device;

[0025] Figure 11 is a partial top view three-dimensional diagram of the anti-falling device;

[0026] Figure 12 is a schematic diagram of the safety lock block assembly structure.

[0027] In the figure, the markings are:

[0028] 1, cabinet frame; 2, support platform; 3, counterweight device; 4, electric door device; 5, anti-falling device; 7, tray;

[0029] 31. Counterweight; 32. Guide rod; 33. Fixed rod; 34. Connecting piece; 35. Hoisting ring; 36. Guide rod fixing bracket;

[0030] 37. First guide rod fixing piece; 38. Second guide rod fixing piece; 39. Steel wire rope; 310. Pulley; 311. Pulley shaft; 312. Pulley seat; 313. Shoulder bolt;

[0031] 41. Electric door panel; 42. First slide rail; 43. Second slide rail; 44. First upright column; 45. Second upright column;

[0032] 46. Base; 47. Lifter; 48. Induction device; 471. Lead screw; 472. Lead screw nut; 473. Lifting motor;

[0033] 51. Left side plate; 52. Right side plate; 53. Synchronous belt; 54. Anti-falling frame; 55. Safety lock block assembly;

[0034] 56. Anti-falling shaft; 57. Induction control device; 58. Spring; 59. Second spring tensioning bolt; 551. Safety lock block; 552. Safety shaft; 553. Friction wheel; 554. First circlip; 555. Oil-free bushing; 556. Bearing;

[0035] 557. Second circlip; 558. First spring tensioning bolt. Detailed implementation mode

[0036] The present invention will be further described below in conjunction with the embodiments with reference to the drawings.

[0037] Embodiment 1

[0038] As Figure 1 shown: The vertical lifting container includes a cabinet frame 1, a support table 2 is provided on the cabinet frame 1, the support table 2 is used for placing a tray 7, an electric door device 4 is provided at the bottom of the cabinet frame 1, and a counterweight device 3 and an anti-falling device 5 are provided on the side.

[0039] The electric door device 4 includes an electric door panel 41, a first slide rail 42, a second slide rail 43, a first upright column 44, a second upright column 45, a base 46, a lifter 47, and a sensing device 48; the electric door panel 41 is installed inside the vertical lifting container, the left side of the electric door panel 41 is connected to the first upright column 44 through the first slide rail 42 and can move in the up and down directions; both the first slide rail 42 and the second slide rail 43 are two - or three - section telescopic slide rails; the right side of the electric door panel 41 is connected to the second upright column 45 through the second slide rail 43 and can move in the up and down directions; the lifter 47 includes a lifting motor 473, a lead screw 471, and a lead screw nut 472, the lead screw nut 472 is connected to the electric door panel 41 and can move in the up and down directions; the lead screw nut 472 is connected to the electric door panel 41 and fixed with screws, the lifting motor 473 drives the lead screw 71 and the lead screw nut 72 to rotate, driving the single - door to open and close; the sensing device 48 can feed back signals to the system to determine the state of the single - door, thereby realizing the opening and closing of the built - in single - door. The lifter of the electric door device 4 has two lead screws and two lead screw nuts, the lead screw nuts are connected to the electric door, and the lifting motor drives the lead screws to drive the electric door to move up and down.

[0040] The counterweight device 3 includes counterweight blocks 31, guide rods 32, fixed rods 33, connecting pieces 34, lifting rings 35, guide rod fixing frames 36, first guide rod fixing parts 37, second guide rod fixing parts 38, steel wire ropes 39, pulleys 310, pulley shafts 311, pulley seats 312, and shoulder bolts 313. A plurality of counterweight blocks 31 are arranged in sequence, the fixed rod 33 passes through the middle holes of the counterweight blocks 31, and is tightened with double nuts at the bottom, first tightened with a nut at the top and then the connecting piece 34 is screwed onto the fixed rod 33, and the lifting ring 35 is screwed into the connecting piece 34; one end of the steel wire rope 39 bypasses the pulley 310 and is fixed to the lifting ring 35 of the counterweight device 3 through a rope sleeve, and the other end is fixed to the lifting ring of the lifting platform 7; the guide rods 32 are inserted into the round holes on both sides of the counterweight blocks 31 and fixed to the base; the first guide rod fixing part 37 and the second guide rod fixing part 38 clamp the guide rod 32 through bolts and are fixed to the guide rod fixing frame 36, and the guide rod fixing frame 36 is fixed to the cabinet frame 1; the pulley 310 is connected and installed on the pulley seat 312 through the pulley shaft 311; a shoulder bolt 313 is installed on the pulley seat 312 to prevent the steel wire rope 39 from slipping out of the pulley 310. The counterweight device 3 moves simultaneously with the lifting platform and moves in the opposite direction, effectively reducing the motor output torque, reducing the motor power, and saving costs.

[0041] The anti - fall device 5 includes a lifting platform, on which a left side plate 511 and a right side plate 52 are provided. Safety lock block assemblies 55 are respectively provided on the left side plate 51 and the right side plate 52. A synchronous belt 53 is provided on one side of the safety lock block assembly 55, and an anti - fall frame 54 is provided on the other side. The upper and lower ends of the synchronous belt 53 are respectively fitted with transmission shafts, and anti - fall holes are provided on the anti - fall frame 54.

[0042] The safety lock block assembly 55 includes a safety lock block 551, on which a safety shaft 552 is sleeved. One end of the safety shaft 552 is fixed on the side plate, and the other end is fixed to the safety lock block 551 through an oil-free bushing 555 and a first elastic retaining ring 554. A friction wheel 553 is also connected to the safety lock block 551 through a bearing 556, and the friction wheel 553 is fixed to the outer side of the bearing 556 through a second elastic retaining ring 557.

[0043] Above the safety lock block 551, there is a falling prevention shaft 56. On the back of the safety lock block 551, there is a first spring tensioning bolt 558. On the side plate and on the back of the friction wheel 553, there is also an induction control device 57. On the side plate and at the lower right of the first spring tensioning bolt 558, there is also a second spring tensioning bolt 59. Between the first spring tensioning bolt 558 and the second spring tensioning bolt 59, there is also a spring 58.

[0044] The anti-falling device 5 adopts mechanical and electrical detection methods to prevent falling after the failure of transmission components such as synchronous belts. The mechanical anti-falling component inserts into the anti-falling hole in time after the synchronous belt breaks, positioning the lifting device. At the same time, when the electrical system detects the breakage of the synchronous belt, it feeds back a signal to the system, and the motor system stops running. It is safe and reliable, with a simple structure and convenient installation.

Claims

1. Vertical lifting container, including a cabinet frame, on which a support platform is provided, and the support platform is used for placing pallets, characterized in that: An electric door device is provided at the bottom of the cabinet frame, and a counterweight device and an anti-falling device are provided on the side. The electric door device includes an electric door panel, a first slide rail, a second slide rail, a first upright post, a second upright post, a base, a lifter, and an induction device; the electric door panel is installed inside the vertical lift cabinet. The left side of the electric door panel is connected to the first upright post through the first slide rail and can move in the up and down directions; the right side of the electric door panel is connected to the second upright post through the second slide rail and can move in the up and down directions. The lifter includes a lifting motor, a lead screw, and a lead screw nut. The lead screw nut is connected to the electric door panel and can move in the up and down directions. The counterweight device includes counterweight blocks, guide rods, fixed rods, connecting pieces, lifting rings, guide rod fixing frames, first guide rod fixing pieces, second guide rod fixing pieces, steel wire ropes, pulleys, pulley shafts, pulley seats, and shoulder bolts. A plurality of counterweight blocks are arranged in sequence. The fixed rod passes through the middle holes of the counterweight blocks and is tightened with double nuts at the bottom. First, a nut is tightened at the top, and then the connecting piece is screwed onto the fixed rod, and the lifting ring is screwed into the connecting piece; one end of the steel wire rope bypasses the pulley and is fixed to the lifting ring of the counterweight device through a rope sleeve, and the other end is fixed to the lifting ring of the lifting platform; the guide rods are inserted into the round holes on both sides of the counterweight blocks and fixed to the base; the first guide rod fixing piece and the second guide rod fixing piece clamp the guide rod through bolts and are fixed to the guide rod fixing frame, and the guide rod fixing frame is fixed to the cabinet frame; the pulley is connected and installed on the pulley seat through the pulley shaft; a shoulder bolt is installed on the pulley seat to prevent the steel wire rope from slipping out of the pulley. The anti-falling device includes a lifting platform. A left side plate and a right side plate are provided on the lifting platform. Safety lock block assemblies are respectively provided on the left side plate and the right side plate. A synchronous belt is provided on one side of the safety lock block assembly, and an anti-falling frame is provided on the other side. The upper and lower ends of the synchronous belt are respectively matched with transmission shafts, and anti-falling holes are provided on the anti-falling frame. The safety lock block assembly includes a safety lock block. A safety shaft is sleeved on the safety lock block. One end of the safety shaft is fixed to the side plate, and the other end is fixed to the safety lock block through an oil-free bushing and a first elastic retaining ring; a friction wheel is also connected to the safety lock block through a bearing, and the friction wheel is fixed to the outside of the bearing through a second elastic retaining ring. An anti-falling shaft is provided above the safety lock block. A first spring tensioning bolt is provided on the back of the safety lock block. An induction control device is also provided on the side plate and on the back of the friction wheel; a second spring tensioning bolt is also provided on the side plate, at the lower right of the first spring tensioning bolt. A spring is also provided between the first spring tensioning bolt and the second spring tensioning bolt.

2. The vertical lift container according to claim 1, wherein: The lifter of the electric door device has two lead screws and two lead screw nuts. The lead screw nuts are connected to the electric door. The lifting motor drives the lead screws to drive the electric door to move up and down.

3. The vertical lift container according to claim 1, wherein: Both the first slide rail and the second slide rail of the electric door device are two-section or three-section telescopic slide rails.

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