A push chain cargo lifting conveyor

Abstract

A push chain cargo lifting conveyor belongs to the technical field of cargo lifting conveyors, including a lifting platform, a push chain transmission device, a push chain telescopic drive mechanism, a platform moving drive mechanism, a grabbing mechanism, and a moving guide rail; the bottom end of the lifting platform is slidably connected to the top end of the moving guide rail, and the lifting platform is installed with a push chain transmission device, a push chain telescopic drive mechanism, and a platform moving drive mechanism; the push chain transmission device is connected to the grabbing mechanism through a push chain extending downward, the push chain telescopic drive mechanism is connected to the push chain transmission device, and the platform moving drive mechanism is connected to the moving guide rail and used to drive the lifting platform to move along the moving guide rail. This new lifting function adopts a push chain transmission device to realize vertical lifting, and a moving guide rail is used for horizontal transportation. It has the characteristics of fast lifting speed and fast horizontal transportation, and can realize the horizontal transportation function of high-altitude cargo in an automated workshop, saving space and efficient transportation.

Description

Technical Field

[0001] The invention belongs to the technical field of cargo lifting conveyors, and specifically relates to a push chain cargo lifting conveyor. Background Art

[0002] At present, the commonly used lifting equipment mainly includes ball screw hoists, chain or wire rope hoists, belt hoists, and reciprocating hoists. However, due to the limitation of their transmission structure, these hoists only have the function of lifting vertically or upward on a slope. When transporting over long distances, they need to be used in conjunction with other horizontal conveying equipment, which not only takes up a large space, but also has a complex structure and high cost. Although the crane can achieve the functions of lifting and horizontal conveying, the lifting and horizontal conveying speed of the overhead crane is slow, and it does not have the function of quickly and efficiently transporting goods. Therefore, in the automated cargo transportation workshop, there is an urgent need for a device that can achieve both lifting and fast horizontal transportation of goods. Utility Model Content

[0003] In response to the problems of the prior art, the present invention discloses a push chain cargo lifting conveyor. The lifting function adopts a push chain transmission device to realize vertical lifting, and the horizontal conveying adopts a movable guide rail for horizontal conveying. It has the characteristics of fast lifting speed and fast horizontal conveying. It can realize the horizontal conveying function of high-altitude cargo in automated workshops, save space and ensure efficient conveying.

[0004] To achieve the above purpose, the technical solution of this novel invention is:

[0005] A push chain cargo lifting conveyor comprises a lifting and moving platform, a push chain transmission device, a push chain telescopic drive mechanism, a moving platform driving mechanism, a grabbing mechanism and a moving guide rail; the bottom end of the lifting and moving platform is slidably connected with the top end of the moving guide rail, the lifting and moving platform is equipped with a push chain transmission device, a push chain telescopic drive mechanism and a moving platform driving mechanism, the push chain transmission device is connected with the grabbing mechanism via a push chain extending downward, the push chain telescopic drive mechanism is drivingly connected with the push chain transmission device, and the moving platform driving mechanism is connected with the moving guide rail and is used to drive the lifting and moving platform to move along the moving guide rail.

[0006] Preferably, the lifting and moving platform is a rectangular frame structure, and a motor mounting plate is fixedly provided in the middle of the top of the lifting and moving platform. The pushing chain telescopic driving mechanism is a commutator reduction motor fixedly mounted on the motor mounting plate, and the two output shaft ends of the commutator reduction motor are respectively connected to a pushing chain transmission device.

[0007] Preferably, the input shaft end of the push chain transmission device is axially connected to the output shaft end of the commutator reduction motor through a coupling, and the push chain transmission device includes a drive box located in the middle and a chain box fixedly arranged on both sides of the drive box, a drive sprocket is provided in the drive box, and the drive sprocket is fixedly connected to the input shaft passing through the outer wall of the drive box, the push chain coiled in the chain box is meshedly connected to the drive sprocket and extends downward along the bottom output port of the drive box, and a connecting plate is provided at the head of the push chain, and the connecting plate is connected to the grabbing mechanism.

[0008] Preferably, a mounting plate is fixedly connected to the side wall of the drive box, and the mounting plate is fixedly connected to a device mounting plate preset on the lifting motion platform and located on one side of the motor mounting plate through a bolt and nut assembly. The push chain extends downward through a through hole preset on the device mounting plate, and the connecting plates of the push chain heads of the two push chain transmission devices are respectively connected to the two ends of the top of the grabbing mechanism.

[0009] Preferably, the moving platform movement driving mechanism includes a moving driving reduction motor, a driving shaft, a driven shaft, a motor driving chain, a moving platform moving chain, and a moving wheel. The front and rear ends of the bottom of the lifting and moving platform are respectively rotatably connected to the driving shaft and the driven shaft, and moving wheels are respectively provided at both ends of the driving shaft and the driven shaft. The driving shaft and the driven shaft are respectively provided with a first driving sprocket and a first driven sprocket. The first driving sprocket and the first driven sprocket are connected through a moving platform moving chain transmission. A second driven sprocket is also provided on the driving shaft. The output shaft of the moving driving reduction motor is fixedly connected to the second driving sprocket, and the second driving sprocket and the second driven sprocket are connected through a motor driving chain transmission. The moving driving reduction motor is fixedly connected to the top of the lifting and moving platform, and the moving wheels are respectively used in conjunction with the moving wheel grooves on the moving guide rails on the same side.

[0010] Preferably, the movable guide rail is a linear guide rail or a curved guide rail.

[0011] The beneficial effects of this new type of push chain cargo lifting conveyor are:

[0012] (1) The push chain transmission device of the new push chain cargo lifting conveyor can realize rapid linear motion in the vertical direction. When used in conjunction with the grabbing mechanism, it can realize the function of rapid grabbing and lifting of cargo in the vertical direction, with a high degree of automation.

[0013] (2) This new push chain cargo lifting conveyor can realize the function of high-altitude rapid transportation through the mobile driving mechanism after grabbing the cargo and lifting it through the push chain transmission device and the grabbing mechanism. It can realize the multi-dimensional cargo transportation function in the automated workshop, save space and improve the transportation efficiency.

[0014] (3) The new push chain transmission device has the characteristics of high speed, high positioning accuracy and low energy loss, and can meet the requirements of efficient transportation, precise positioning, energy saving and environmental protection in automated workshops. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 , a schematic diagram of the new push chain cargo lifting conveyor;

[0016] Figure 2 , a schematic diagram of the new lifting exercise platform;

[0017] Figure 3 , a schematic diagram of the structure of the push chain transmission device of the present invention;

[0018] Figure 4 , a schematic diagram of the mobile driving mechanism of the new sports platform;

[0019] Figure 5 , a schematic diagram of the state of the push chain of the new push chain cargo lifting conveyor after the push chain is retracted;

[0020] Figure 6 , schematic diagram of the state of the push chain of the new push chain cargo lifting conveyor after being extended.

[0021] 1. Lifting motion platform; 11. Rectangular frame structure; 12. Device mounting plate; 121. Through hole; 122. Device mounting hole; 13. Motor mounting plate; 14. Mobile drive reduction motor mounting plate; 2. Push chain transmission device; 21. Drive box; 22. Chain box; 23. Push chain; 24. Mounting plate; 25. Connecting plate; 26. Input shaft; 3. Reduction motor with commutator; 4. Movable platform moving drive mechanism; 41. Mobile drive reduction motor; 42. Drive shaft; 43. Driven shaft; 44. Motor drive chain; 45. Movable platform moving chain; 46. Moving wheel; 5. Grabbing mechanism; 6. Moving guide rail; 7. Coupling. DETAILED DESCRIPTION

[0022] The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0023] The following embodiments may be understood as a part of a local structure or method that is expressed separately in the present invention, or may be understood as a combination of the embodiments to explain the connotation of a larger structure or method of the present invention.

[0024] Example 1

[0025] A push chain cargo lifting conveyor, such as Figure 1-3As shown, it includes a lifting and moving platform 1, a push chain transmission device 2, a push chain telescopic driving mechanism, a moving platform driving mechanism 4, a grabbing mechanism 5, and a moving guide rail 6; the bottom end of the lifting and moving platform 1 is slidably connected with the top end of the moving guide rail 6, and the lifting and moving platform 1 is installed with a push chain transmission device 2, a push chain telescopic driving mechanism, and a moving platform driving mechanism 4, the push chain transmission device 2 is connected to the grabbing mechanism 5 through a push chain 23 extending downward, the push chain telescopic driving mechanism is transmission-connected to the push chain transmission device 2, and the moving platform driving mechanism 4 is connected to the moving guide rail 6 and is used to drive the lifting and moving platform 1 to move along the moving guide rail 6.

[0026] In this embodiment, the number of push chain transmission devices can be one or more, the grabbing mechanism can be a commonly used manipulator structure, the number of grabbing mechanisms can also be one or more, the push chain is used to lower the grabbing mechanism or lift the grabbing mechanism, the lifting platform 1 can move on the movable guide rail and transport the goods to the designated location.

[0027] Example 2

[0028] like Figure 1-6 As shown, the lifting and moving platform 1 is a rectangular frame structure 11, and a motor mounting plate 13 is fixedly provided in the middle of the top of the lifting and moving platform 1. The pushing chain telescopic driving mechanism is a commutator reduction motor 3 fixedly mounted on the motor mounting plate 13, and the two output shaft ends of the commutator reduction motor 3 are respectively connected to a pushing chain transmission device 2.

[0029] Example 3

[0030] like Figure 3 As shown, the end of the input shaft 26 of the push chain transmission device 2 is axially connected to the end of the output shaft of the commutator reduction motor 3 through a coupling. The push chain transmission device 2 includes a drive box 21 located in the middle and a chain box 22 fixedly arranged on both sides of the drive box. A drive sprocket is provided in the drive box, and the drive sprocket is fixedly connected to the input shaft passing through the outer wall of the drive box. The push chain 23 coiled in the chain box is meshed with the drive sprocket and extends downward along the bottom output port of the drive box. A connecting plate 25 is provided at the head of the push chain 23, and the connecting plate 25 is connected to the grabbing mechanism 5.

[0031] In this embodiment, the specific structure of the push chain transmission device 2 can refer to the applicant's authorized patent CN220131061U, a meshing push chain system, and the content not described in this new invention is solved by the existing solution. In this embodiment, the connection method between the input shaft and the output shaft can also be a key connection.

[0032] Example 4

[0033] like Figure 3 As shown, a mounting plate 24 is fixedly connected to the side wall of the driving box 21, and the mounting plate 24 is fixedly connected to the device mounting plate 12 preset on the lifting motion platform 1 and located on one side of the motor mounting plate 13 through a bolt and nut assembly. The push chain 23 extends downward through a through hole 121 preset on the device mounting plate 12, and the connecting plates 25 of the push chain heads of the two push chain transmission devices 2 are respectively connected to the two ends of the top of the grabbing mechanism 5.

[0034] Example 5

[0035] like Figure 1 , Figure 2 , Figure 4 As shown, the moving platform moving drive mechanism 4 includes a moving drive reduction motor 41, a driving shaft 42, a driven shaft 43, a motor drive chain 44, a moving platform moving chain 45, and a moving wheel 46. The front and rear ends of the bottom of the lifting and moving platform 1 are respectively rotatably connected with the driving shaft 42 and the driven shaft 43. The two ends of the driving shaft 42 and the driven shaft 43 are respectively provided with moving wheels 46. The driving shaft 42 and the driven shaft 43 are respectively provided with a first driving sprocket and a first driven sprocket. The first driving sprocket and the first driven sprocket are transmission-connected through the moving platform moving chain 45. The driving shaft 42 is also provided with a second driven sprocket. The output shaft of the moving drive reduction motor 41 is fixedly connected with the second driving sprocket. The second driving sprocket and the second driven sprocket are transmission-connected through the motor drive chain 44. The moving drive reduction motor 41 is fixedly connected to the top of the lifting and moving platform 1, and the moving wheels 45 are respectively used in conjunction with the moving wheel grooves on the moving guide rail 6 on the same side.

[0036] In this embodiment, the above transmission form can also be replaced by commonly used gear transmission and belt transmission. According to the load and size of the lifting and moving platform 1, four or more moving wheels 45 can be provided.

[0037] Example 6

[0038] like Figure 1 As shown, the movable guide rail 6 is a linear guide rail or a curved guide rail, and the specific method depends on the needs.

[0039] Example 7

[0040] like Figure 3 As shown, in order to increase the stability of the lifting track of the push chain, a guide tube can also be connected to the bottom of the drive box, and the guide tube is used to pass through the push chain.

[0041] The specific use process of this new model: Figure 3 and Figure 5As shown, in a normal state, the push chain 23 of the push chain cargo lifting conveyor is in a retracted state. The push chain 23 is stored inside the chain box 22 under the action of the drive box 21. When the push chain cargo lifting conveyor moves to a specified position, the push chain 23 extends downward from the inside of the chain box 23 to a specified height under the action of the commutator reduction motor 3, as shown in FIG. Figure 6 At this time, the grabbing mechanism 5 reaches the cargo grabbing position, grabs the cargo, and the push chain 23 moves upward under the action of the commutator reduction motor 3, and the chain retracts inside the chain box 22, and the grabbing mechanism 5 rises into the air with the cargo, as shown in FIG. Figure 5 As shown. Then, the push chain cargo lifting conveyor moves horizontally to the designated position on the overhead moving guide rail 6 under the action of the moving platform moving drive mechanism 4, and then, through the action of the push chain transmission device 2, the push chain 23 descends, driving the cargo to descend to the designated height, and the grabbing mechanism 5 releases the cargo and places the cargo at the designated workstation. Afterwards, the grabbing mechanism 5 rises to the sky under the drive of the push chain 23, and the push chain 23 is in a retracted state. When there is a new demand, the push chain cargo lifting conveyor will move to the designated position and repeat the above process to transport the cargo from one location to another.

Claims

1. A push chain cargo lifting conveyor, characterized by: It includes a lifting and moving platform, a push chain transmission device, a push chain telescopic driving mechanism, a moving platform driving mechanism, a grabbing mechanism, and a moving guide rail; the bottom end of the lifting and moving platform is slidably connected with the top end of the moving guide rail, and the lifting and moving platform is installed with a push chain transmission device, a push chain telescopic driving mechanism, and a moving platform driving mechanism; the push chain transmission device is connected to the grabbing mechanism through a push chain extending downward, the push chain telescopic driving mechanism is transmission-connected to the push chain transmission device, and the moving platform driving mechanism is connected to the moving guide rail and is used to drive the lifting and moving platform to move along the moving guide rail.

2. A push chain cargo lifting conveyor as claimed in claim 1, characterized in that: The lifting and moving platform is a rectangular frame structure, and a motor mounting plate is fixedly provided in the middle of the top of the lifting and moving platform. The pushing chain telescopic driving mechanism is a commutator reduction motor fixedly mounted on the motor mounting plate, and the two output shaft ends of the commutator reduction motor are respectively connected to a pushing chain transmission device.

3. A push chain cargo lifting conveyor as claimed in claim 2, characterized in that: The input shaft end of the push chain transmission device is axially connected to the output shaft end of the commutator reduction motor through a coupling. The push chain transmission device includes a drive box located in the middle and a chain box fixedly arranged on both sides of the drive box. A drive sprocket is provided in the drive box, and the drive sprocket is fixedly connected to the input shaft passing through the outer wall of the drive box. The push chain coiled in the chain box is meshed with the drive sprocket and extends downward along the bottom output port of the drive box. A connecting plate is provided at the head of the push chain, and the connecting plate is connected to the grabbing mechanism.

4. A push chain cargo lifting conveyor as claimed in claim 3, characterized in that: A mounting plate is fixedly connected to the side wall of the drive box, and the mounting plate is fixedly connected to the device mounting plate preset on the lifting and moving platform and located on one side of the motor mounting plate through a bolt and nut assembly. The push chain extends downward through a through hole preset on the device mounting plate, and the connecting plates of the push chain heads of the two push chain transmission devices are respectively connected to the two ends of the top of the grabbing mechanism.

5. A push chain cargo lifting conveyor as claimed in claim 4, characterized in that: The movable platform movement driving mechanism includes a movable driving reduction motor, a driving shaft, a driven shaft, a motor driving chain, a movable platform movement chain, and a movable wheel. The front and rear ends of the bottom of the lifting and moving platform are respectively rotatably connected with the driving shaft and the driven shaft, and the two ends of the driving shaft and the driven shaft are respectively provided with movable wheels. The driving shaft and the driven shaft are respectively provided with a first driving sprocket and a first driven sprocket. The first driving sprocket and the first driven sprocket are connected through the movable platform moving chain transmission. The driving shaft is also provided with a second driven sprocket. The output shaft of the movable driving reduction motor is fixedly connected with the second driving sprocket, and the second driving sprocket and the second driven sprocket are connected through the motor driving chain transmission. The movable driving reduction motor is fixedly connected to the top of the lifting and moving platform, and the movable wheels are respectively used in conjunction with the movable wheel grooves on the movable guide rails on the same side.

6. A push chain cargo lifting conveyor as claimed in claim 5, characterized in that: The movable guide rail is a linear guide rail or a curved guide rail.

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