Lift car equipment

Abstract

The invention relates to a lifting car device comprising a frame; the lift car unit comprises a lift car, and the lift car is used for bearing materials to be transported; the driving unit comprises a driving mechanism and a transmission mechanism which are installed on the frame, the movable output end of the driving mechanism is connected with the transmission mechanism so as to drive the transmission mechanism to act, and the transmission mechanism is connected with the lift car so as to drive the lift car to ascend and descend along the frame; the limiting unit comprises a connecting base and a floating clamping assembly, and a containing groove is formed in the connecting base in the height direction so that part of the transmission mechanism can penetrate through and be contained in the containing groove; the floating clamping assembly comprises a limiting assembly and an adjusting assembly which are installed on the connecting base, and the limiting assembly can limit the transmission mechanism contained in the containing groove under driving of the adjusting assembly. The maintenance efficiency can be effectively improved, the limiting unit can be maintained at any position, the maintenance time is shortened, and then the logistics efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of lifting and transporting equipment, in particular to a lifting car equipment. Background Art

[0002] With the rapid development of automated warehousing and transportation systems, the performance requirements for its core equipment are becoming increasingly higher. Among them, the lift car (lifting platform) is a device specifically used for lifting, loading and unloading of goods. It can smoothly lift and lower between different heights through an electric or hydraulic drive system, thereby transporting goods at different heights. It is widely used in logistics warehousing systems and manufacturing industries to improve warehousing or transportation efficiency. Through hydraulic, electric or manual drive methods, the car is driven up and down to a suitable height to adapt to different work requirements, reduce the manual handling process, and improve work efficiency while reducing the labor intensity of operators. In the process of vertical transportation of materials, the car may be stuck at any position due to sudden failures during operation. The traditional maintenance method requires moving the car to a designated location for maintenance.

[0003] The disadvantage of the existing technology is that the car needs to be moved to a designated safe position to ensure the stability of the car before further maintenance work can be carried out. This will increase the time spent on maintenance, which is not conducive to rapid maintenance and thus affects the overall transportation efficiency. Therefore, a new car equipment is urgently needed to solve the defects of the existing technology. Summary of the invention

[0004] To this end, the technical problem to be solved by the present invention is to overcome the deficiencies in the prior art and provide a lifting car device that can quickly fix the car when it is stuck, and can realize maintenance work on the lifting car at any position within the lifting travel range, making it convenient for maintenance personnel to perform maintenance operations, improve maintenance efficiency, and eliminate the need to wait.

[0005] In order to solve the above technical problems, the present invention provides a lifting car device, comprising: frame; A car unit, comprising a car, wherein the car is used to carry materials to be transported; A driving unit, comprising a driving mechanism and a transmission mechanism installed on the frame, wherein the movable output end of the driving mechanism is connected to the transmission mechanism to drive the transmission mechanism to move, and the transmission mechanism is connected to the car to drive the car to rise and fall along the frame; The limiting unit comprises a connecting seat and a floating clamping assembly, wherein the connecting seat is fixedly arranged on the frame, and a receiving groove is arranged on the connecting seat along the height direction, so that part of the transmission mechanism can pass through and be received in the receiving groove; the floating clamping assembly comprises a limiting assembly and an adjusting assembly installed on the connecting seat, and the limiting assembly, driven by the adjusting assembly, can limit the transmission mechanism received in the receiving groove, so as to limit the position of the car; A control unit is communicatively connected with the driving unit and the limiting unit to output control signals to the driving unit and the limiting unit.

[0006] In one embodiment of the present invention, the car includes a bottom support plate and a baffle, wherein the baffle is relatively arranged on two sides of the bottom support plate and cooperates with the bottom support plate to form a receiving space, and the material to be transported is placed in the receiving space.

[0007] In one embodiment of the present invention, the car unit further comprises a fixing block, the fixing block is mounted on the car, and the car is connected to the transmission mechanism via the fixing block.

[0008] In one embodiment of the present invention, the driving mechanism includes a driving motor and a motor transmission chain. The driving motor is assembled on the top of the frame through a first mounting seat. The movable output end of the driving motor is provided with a motor end sprocket. The motor transmission chain is connected to the motor end sprocket. The motor transmission chain is also connected to the transmission mechanism.

[0009] In one embodiment of the present invention, the transmission mechanism includes a driving shaft, a first sprocket, a second sprocket, a follower chain, a first driven shaft and a third sprocket, the driving shaft and the first driven shaft are arranged on the frame along the horizontal direction, and the driving shaft and the first driven shaft have a height difference; the first sprocket and the second sprocket are coaxially arranged on the driving shaft, and the third sprocket is coaxially arranged on the first driven shaft; the first sprocket cooperates with the motor transmission chain, the second sprocket cooperates with the follower chain, and the third sprocket cooperates with the follower chain; the follower chain is passed through the accommodating groove.

[0010] In one embodiment of the present invention, the adjustment assembly includes a driving member, an adjusting screw, a first stop block and an adjusting block, the adjusting screw rod is extended in a horizontal direction and is arranged on the connecting seat, one end of the adjusting screw rod is connected to the driving member, and the other end of the adjusting screw rod is connected to the adjusting block, and the limiting assembly is installed on the adjusting block; the first stop block is arranged opposite to the adjusting block, the first stop block, the adjusting block and the connecting seat form the accommodating groove, and the limiting assembly can approach or move away from the first stop block under the drive of the adjusting block.

[0011] In one embodiment of the present invention, the drive member comprises a rotating hand wheel.

[0012] In one embodiment of the present invention, the limiting assembly includes a clamping tooth structure, and the clamping tooth structure is provided with at least one group. The clamping tooth structure includes a plurality of tooth-shaped structures arranged at intervals along the height direction, and the tooth-shaped structure fits with the gap of the follower chain and is driven to be inserted into the gap of the follower chain to limit the follower chain.

[0013] In one embodiment of the present invention, the limiting unit also includes a sensor assembly, which is used to detect the position of the follower chain; the sensor assembly includes a sensing plate, a first sensor and a second sensor, the sensing plate is connected to the adjusting block, the first sensor and the second sensor are arranged at intervals on the connecting seat along the extension direction of the adjusting screw rod, the first sensor is arranged close to the first stop block, and the second sensor is arranged close to the driving member; the first sensor is a clamping position sensor, and the second sensor is a loose position sensor.

[0014] In one embodiment of the present invention, the driving mechanism further includes a traction assembly and a counterweight assembly, wherein the traction assembly cooperates with the transmission mechanism to pull the car; the counterweight assembly is connected to the traction assembly to balance the traction force applied to the car.

[0015] The above technical solution of the present invention has the following advantages compared with the prior art: The present invention discloses a lifting car device, which is provided with a frame, a car unit, a driving unit, a limiting unit and a control unit, wherein the car unit, the driving unit and the limiting unit are installed on the basis of the frame, the driving unit comprises a driving mechanism and a transmission mechanism, the movable output end of the driving mechanism is connected to the transmission mechanism to drive the transmission mechanism to move, and the transmission mechanism is connected to the car to drive the car to move up and down. During operation, if a sudden failure occurs, the car may be stuck at any position inside the device. At this time, the limiting component is driven to move by controlling the adjustment component, thereby limiting the transmission mechanism, so that the transmission mechanism can be fixed at this position and will not be displaced. In this way, the position of the car connected to the transmission mechanism can also be in a fixed state, thereby effectively preventing the car from falling. At this time, the operator opens the equipment for maintenance operations, which can effectively ensure the personal safety of the maintenance personnel; the structure of the device is simple, the cost is low, it is easy to maintain, and it can also improve the safety of maintenance personnel during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments of the present invention in conjunction with the accompanying drawings, wherein:

[0017] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment of the present invention.

[0018] Figure 2 It is a first-view structural schematic diagram of a car unit, a drive unit and a limit unit according to a preferred embodiment of the present invention.

[0019] Figure 3 It is a second perspective structural schematic diagram of the car unit, the drive unit and the limit unit of the preferred embodiment of the present invention.

[0020] Figure 4 It is a schematic structural diagram of a limiting unit according to a preferred embodiment of the present invention.

[0021] Explanation of the reference numerals in the specification: 1. frame; 2. car unit; 20. car; 201. bottom support plate; 202. baffle; 21. fixed block; 3. driving mechanism; 30. driving motor; 31. motor transmission chain; 32. first mounting seat; 4. transmission mechanism; 40. driving shaft; 41. first sprocket; 42. second sprocket; 43. follower chain; 44. first driven shaft; 45. third sprocket; 46. second driven shaft; 47. third driven shaft; 48. fourth driven shaft; 5. limiting unit; 50. connecting seat; 501. accommodating groove; 60. driving member; 61. adjusting screw; 62. first block; 63. adjusting block; 64. toothed structure; 65. induction sheet; 66. first sensor; 67. second sensor; 68. traction rope; 69. counterweight. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0023] Reference Figures 1 to 4 As shown, the present invention discloses a lifting car device, comprising a frame 1, wherein the frame 1 is extended along the height direction to play a fixing and bearing role.

[0024] The lifting car device further comprises a car unit 2, wherein the car unit 2 comprises a car 20, and the car 20 is used for carrying materials to be transported.

[0025] The lifting car device further includes a driving unit, which includes a driving mechanism 3 and a transmission mechanism 4 installed on the frame 1, wherein the movable output end of the driving mechanism 3 is connected to the transmission mechanism 4 to drive the transmission mechanism 4 to move, and the transmission mechanism 4 is connected to the car 20 to drive the car 20 to move up and down along the frame 1; The lifting car equipment also includes a limiting unit 5, which includes a connecting seat 50 and a floating clamping assembly. The connecting seat 50 is fixedly arranged on the frame 1, and an accommodating groove 501 is arranged on the connecting seat 50 along the height direction so that part of the transmission mechanism 4 can pass through and be accommodated in the accommodating groove 501.

[0026] The floating clamping assembly includes a limit assembly and an adjustment assembly installed on the connecting seat 50. Specifically, the limit assembly is arranged at the active output end of the adjustment assembly, so that the limit assembly, driven by the adjustment assembly, can limit the part of the transmission mechanism 4 accommodated in the accommodating groove 501. Since the car 20 is connected to the transmission mechanism 4, the car 20 can also be limited.

[0027] It should be noted that the lifting car equipment also includes a control unit, which is communicatively connected with the driving unit and the limiting unit to output control signals to the driving unit and the limiting unit, thereby controlling the actions of the driving unit and the limiting unit.

[0028] It can be known that the present invention is to protect a kind of lifting car equipment, which is provided with a frame, a car unit, a driving unit, a limiting unit and a control unit, wherein the car unit, the driving unit and the limiting unit are installed on the basis of the frame, the driving unit includes a driving mechanism and a transmission mechanism, the movable output end of the driving mechanism is connected to the transmission mechanism to drive the transmission mechanism to move, and the transmission mechanism is connected to the car to drive the car to move. During the working process, if a sudden failure occurs, the car may be stuck at any position inside the equipment. At this time, the limiting component is driven by the control adjustment component to move, thereby limiting the transmission mechanism, so that the transmission mechanism can be fixed at this position and will not be displaced. In this way, the position of the car connected to the transmission mechanism can also be in a fixed state, thereby effectively preventing the car from falling. At this time, the operator opens the equipment for maintenance operations, which can effectively ensure the personal safety of the maintenance personnel; the structure of the equipment is simple, the cost is low, and it is easy to maintain, which can effectively improve the maintenance efficiency, thereby improving the logistics efficiency, and can also improve the safety of the maintenance personnel during maintenance.

[0029] As a preferred embodiment, the car 20 includes a bottom support plate 201 and a baffle 202. Two baffles 202 are provided, and the two baffles 202 are arranged oppositely on both sides of the bottom support plate 201. In this way, the two baffles 202 cooperate with the bottom support plate 201 to form a receiving space, and the material to be transported can be placed in the receiving space.

[0030] Furthermore, the car unit 2 further includes a fixing block 21 , and the fixing block 21 is installed on a side of the car 20 , so that the car 20 can be connected to the transmission mechanism 4 through the fixing block 21 .

[0031] As a preferred embodiment, the driving mechanism 3 includes a driving motor 30 and a motor transmission chain 31, and the driving motor 30 is mounted on the top of the frame 1 through a first mounting seat 32. A motor end sprocket is provided at the movable output end of the driving motor 30, and the motor transmission chain 31 is connected to the motor end sprocket, and the motor transmission chain 31 is also connected to the transmission mechanism 4. In this way, when the driving motor 30 is working, the motor transmission chain 31 is driven to move, and the motor transmission chain 31 drives the transmission mechanism 4 to move.

[0032] Furthermore, the transmission mechanism 4 includes a driving shaft 40, a first sprocket 41, a second sprocket 42, a follower chain 43, a first driven shaft 44 and a third sprocket 45. The driving shaft 40 and the first driven shaft 44 are arranged on the frame 1 along the horizontal direction, and there is a height difference between the driving shaft 40 and the first driven shaft 44. In detail, the driving shaft 40 is installed on the top of the frame 1, and the first driven shaft 44 is installed on the bottom of the frame 1.

[0033] The first sprocket 41 and the second sprocket 42 are coaxially arranged on the driving shaft 40, and the third sprocket 45 is coaxially arranged on the first driven shaft 44. The first sprocket 41 cooperates with the motor transmission chain 31, the second sprocket 42 cooperates with the follower chain 43, and the third sprocket 45 cooperates with the follower chain 43. The follower chain 43 is inserted into the accommodating groove 501.

[0034] As a preferred embodiment, the adjustment assembly includes a driving member 60, an adjusting screw rod 61, a first stop block 62 and an adjusting block 63. The adjusting screw rod 61 is extended in the horizontal direction and is arranged on the connecting seat 50. One end of the adjusting screw rod 61 is connected to the driving member 60, and the other end of the adjusting screw rod 61 is connected to the adjusting block 63. The limiting assembly is installed on the adjusting block 63.

[0035] Specifically, the first stopper 62 is disposed opposite to the adjusting block 63, and the first stopper 62, the adjusting block 63 and the connecting seat 50 cooperate with each other to form the receiving groove 50. The limiting assembly can approach or move away from the first stopper 62 under the drive of the adjusting block 63.

[0036] As a preferred embodiment, the driving member 60 includes a rotating hand wheel. In this configuration, when an operator rotates the rotating hand wheel, the rotating hand wheel can drive the adjusting screw 61 to rotate, thereby adjusting the position of the adjusting block 63 to achieve the clamping and loosening of the floating clamping assembly.

[0037] Of course, in some other embodiments, the driving member 60 may also adopt an electric driving device, including but not limited to a driving motor, and the output end of the driving motor is connected to the adjusting screw 61 to drive the adjusting screw 61 to move, thereby driving the adjusting block 63 to move in the horizontal direction.

[0038] As a preferred embodiment, in order to prevent the follower chain 43 from scratching the first stopper 62 when moving in the receiving groove 50, the first stopper 62 has chamfered structures at both ends along the height direction, so as to facilitate the smooth movement of the follower chain 43.

[0039] As a preferred embodiment, the limiting assembly includes a clamping tooth structure, and the clamping tooth structure is provided with at least one group. The clamping tooth structure includes a plurality of tooth structures 64 arranged at intervals along the height direction, and the tooth structures 64 are mutually matched with the gaps of the follower chain 43, and the tooth structures 64 are driven to be inserted into the gaps of the follower chain 43 to limit the follower chain 43.

[0040] As a preferred embodiment, in order to facilitate the operator to remotely monitor the lifting equipment, the limit unit also includes a sensor assembly, which is used to detect the position of the follower chain 43. Specifically, the sensor assembly includes a sensing sheet 65, a first sensor 66 and a second sensor 67. The sensing sheet 65 is connected to the adjustment block 63, and the first sensor 66 and the second sensor 67 are arranged at intervals on the connecting seat 50 along the extension direction of the adjustment screw rod 61. Among them, the first sensor 66 is arranged close to the first stopper 62, and the second sensor 67 is arranged close to the driving member 60. The first sensor 66 is a clamping position sensor, and the second sensor 67 is a loose position sensor.

[0041] Specifically, during the working process, the operator rotates the rotating hand wheel, so that the adjusting block 63 rotates with the adjusting screw 61, so that the clamping tooth structure clamps the follower chain 43, and the induction sheet 65 can trigger the first sensor 66, so that the control unit can know that the clamping tooth structure is in a clamping state of the follower chain 43; when the maintenance is completed, the operator rotates the rotating hand wheel until the induction sheet 65 triggers the second sensor 67, so that the controller can know that the clamping operation has been released. In this way, signal feedback is realized, which is convenient for the control unit to perform system control, and the overall equipment can operate normally after the maintenance operation is completed.

[0042] As a preferred embodiment, the transmission mechanism also includes a second driven shaft 46, a third driven shaft 47 and a fourth driven shaft 48 movably connected to the frame 1, the second driven shaft 46 is arranged at the bottom of the frame 1, and is arranged horizontally parallel to the first driven shaft 44; the third driven shaft 47 is arranged at the bottom of the frame 1, and is arranged horizontally parallel to the second driven shaft 40; the fourth driven shaft 48 is arranged at the top of the frame 1, and is arranged in parallel with the third driven shaft 47 in the height direction.

[0043] In detail, the driving shaft 40 , the first driven shaft 44 , the second driven shaft, the third driven shaft and the fourth driven shaft are assembled to the frame 1 via seated bearings.

[0044] In order to achieve stable lifting and lowering of the car 20, the driving mechanism 3 also includes a traction assembly and a counterweight assembly. The traction assembly cooperates with the transmission mechanism to pull the car; the counterweight assembly is connected to the traction assembly to balance the traction force on the car.

[0045] Specifically, the traction assembly includes a traction rope assembly, and the traction rope assembly includes at least one set of traction ropes 68. Specifically, one end of the traction rope 68 is connected to the top of the car 20, and then is sequentially wound around the fourth driven shaft 48, the driving shaft 40, the second driven shaft 46, and the third driven shaft 47, and the end of the traction rope 68 is connected to the bottom of the car 20. At the same time, the counterweight assembly includes a counterweight block, and the counterweight block 69 is connected to the traction rope to ensure the stability and balance of the operation of the car 20 and ensure safety in use.

[0046] The present invention aims to provide a technical solution that can be used to perform maintenance at any position within the lifting range of the lifting platform (car), a movable maintenance platform: by arranging a movable clamping assembly next to the lifting car track, the clamping assembly can move freely in the vertical direction, covering the entire lifting range, and is equipped with a safety locking structure to ensure the stability of the car during maintenance. The lock is released after the maintenance operation is completed.

[0047] The present invention can effectively improve maintenance efficiency. The limit unit can be repaired at any position, reducing maintenance time and thus improving logistics efficiency. In addition, it can also reduce maintenance costs. The modular design and remote monitoring system reduce maintenance costs and downtime. Safety protection measures are equipped to ensure the safety of maintenance personnel. As a result, the present invention realizes rapid maintenance of the lift car at any position within the lifting range, significantly improving the efficiency and safety of the automated warehousing and logistics system.

[0048] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0049] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the present invention.

Claims

1. A lifting car device, characterized in that: include, frame; A car unit, comprising a car, wherein the car is used to carry materials to be transported; A driving unit, comprising a driving mechanism and a transmission mechanism installed on the frame, wherein the movable output end of the driving mechanism is connected to the transmission mechanism to drive the transmission mechanism to move, and the transmission mechanism is connected to the car to drive the car to rise and fall along the frame; The limiting unit comprises a connecting seat and a floating clamping assembly, wherein the connecting seat is fixedly arranged on the frame, and a receiving groove is arranged on the connecting seat along the height direction, so that part of the transmission mechanism can pass through and be received in the receiving groove; the floating clamping assembly comprises a limiting assembly and an adjusting assembly installed on the connecting seat, and the limiting assembly, driven by the adjusting assembly, can limit the transmission mechanism received in the receiving groove, so as to limit the position of the car; A control unit is communicatively connected with the driving unit and the limiting unit to output control signals to the driving unit and the limiting unit.

2. A lift car device according to claim 1, characterized in that: The car includes a bottom support plate and a baffle, wherein the baffle is relatively arranged on two sides of the bottom support plate and cooperates with the bottom support plate to form a receiving space, and the material to be transported is placed in the receiving space.

3. A lifting car device according to claim 1, characterized in that: The car unit further comprises a fixing block, which is mounted on the car, and the car is connected to the transmission mechanism via the fixing block.

4. The lifting car device according to claim 1, characterized in that: The driving mechanism includes a driving motor and a motor transmission chain. The driving motor is assembled on the top of the frame through a first mounting seat. A motor end sprocket is provided at the movable output end of the driving motor. The motor transmission chain is connected to the motor end sprocket. The motor transmission chain is also connected to the transmission mechanism.

5. A lift car device according to any one of claims 1 to 4, characterized in that: The transmission mechanism comprises a driving shaft, a first sprocket, a second sprocket, a follower chain, a first driven shaft and a third sprocket, wherein the driving shaft and the first driven shaft are arranged on the frame along a horizontal direction, and the driving shaft and the first driven shaft have a height difference; the first sprocket and the second sprocket are coaxially arranged on the driving shaft, and the third sprocket is coaxially arranged on the first driven shaft; The first sprocket is matched with the motor transmission chain, the second sprocket is matched with the follower chain, and the third sprocket is matched with the follower chain; the follower chain is inserted into the accommodating groove.

6. A lift car device according to claim 5, characterized in that: The adjusting assembly includes a driving member, an adjusting screw, a first stopper and an adjusting block, the adjusting screw extending in a horizontal direction and arranged on the connecting seat, one end of the adjusting screw is connected to the driving member, and the other end of the adjusting screw is connected to the adjusting block, and the limiting assembly is installed on the adjusting block; the first stopper is arranged opposite to the adjusting block, the first stopper, the adjusting block and the connecting seat form the accommodating groove, and the limiting assembly can approach or move away from the first stopper under the drive of the adjusting block.

7. A lift car device according to claim 6, characterized in that: The drive member includes a rotating hand wheel.

8. The lifting car device according to claim 6, characterized in that: The limiting assembly includes a clamping tooth structure, which is provided with at least one group. The clamping tooth structure includes a plurality of tooth-shaped structures spaced apart along the height direction. The tooth-shaped structure fits with the gap of the follower chain and is driven to be inserted into the gap of the follower chain to limit the position of the follower chain.

9. The lifting car device according to claim 6, characterized in that: The limiting unit also includes a sensor assembly, which is used to detect the position of the follower chain; the sensor assembly includes a sensing plate, a first sensor and a second sensor, the sensing plate is connected to the adjusting block, the first sensor and the second sensor are arranged at intervals on the connecting seat along the extension direction of the adjusting screw rod, the first sensor is arranged close to the first stop block, and the second sensor is arranged close to the driving member; the first sensor is a clamping position sensor, and the second sensor is a loose position sensor.

10. The lifting car device according to claim 1, characterized in that: The driving mechanism further comprises a traction assembly and a counterweight assembly. The traction assembly cooperates with the transmission mechanism to pull the car; the counterweight assembly is connected to the traction assembly to balance the traction force applied to the car.

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