An ETV lifting transfer vehicle

Abstract

The ETV lifting transfer vehicle includes a front column, a rear column, a top beam, a bottom frame, a lifting platform, a lifting drive device, an overspeed detection device, an electric control system, a cab, a safety protection system, a running device and a track system; the two ends of the top beam are respectively fixed to the top of the front column and the rear column, and together with the front column and the rear column, a gantry is formed; the running motor of the running device drives the running wheels on the bottom frame to make the ETV run horizontally along the ground track; the lifting wire rope tied to the lifting platform, driven by the lifting motor, pulls the lifting platform to complete the lifting movement; the lifting platform is equipped with a roller table, which drives the roller table and the ETV roller table to rotate synchronously through the friction of the extractor to complete the storage or outbound operation of the containerized goods. Its overall design is reasonable, the structure is simple, the airport cargo handling function is complete, and the manufacturing cost is not high. It is stable in operation during cargo transfer, and its operation is convenient, which can adapt to the rapid development of aviation cargo handling.

Description

Technical Field

[0001] The invention relates to the field of aviation cargo handling equipment, and in particular to an ETV lifting transfer vehicle. Background Art

[0002] In recent years, with the rapid development of domestic air cargo, many air cargo stations have also been rapidly built and developed, and with the continuous advancement of technology, their automation level is getting higher and higher. In order to adapt to the rapid growth of the total amount of air cargo, many large domestic airports have built air cargo stations. Eighty percent of the cargo is containerized cargo. Due to traffic control, flight arrangements and other reasons, these containerized cargoes are usually concentrated in a certain period of time to enter and leave the port, resulting in increasing pressure on cargo transfer. Therefore, various airport cargo stations actively introduce logistics equipment with a high degree of automation to improve the efficiency of cargo transfer. Elevating Transfer Vehicles (ETV) is an important transfer logistics equipment in the container warehouse. As an important equipment of the automated air cargo station, it bears the important responsibility of airport cargo turnover transportation.

[0003] As a key process equipment of air cargo terminal, ETV lifting transfer vehicle is often related to the processing capacity and operation efficiency of process system, and also plays an important role in process design and bidding. However, the existing ETV lifting transfer vehicle is not designed reasonably, has incomplete functions, has a complex structure and high manufacturing cost, and is not stable enough during cargo transfer and is not convenient to operate, which can no longer adapt to the rapid development of air cargo handling.

[0004] In view of this, the inventor conducted in-depth research on the above-mentioned defects in the prior art, and thus came up with this case. Summary of the invention

[0005] In order to solve the above technical problems, we proposed an ETV lifting transfer vehicle, which has reasonable design, simple structure, complete handling functions, low manufacturing cost, stable operation and convenient operation during cargo transfer, and can no longer adapt to the rapid development of air cargo transportation.

[0006] To achieve the above object, the technical solution of the present invention is as follows:

[0007] An ETV lifting transfer vehicle comprises a column, a top beam, an underframe, a lifting platform, a lifting drive device, an overspeed detection device, an electric control system, a cab, a safety protection system, a running device and a track system; the column adopts a double column form, which is composed of a front column and a rear column, and the inner side surfaces of the front column and the rear column are provided with lifting guide rails of the lifting platform, and a steel structure maintenance platform is provided on the upper part of the front column and the rear column; the two ends of the top beam are respectively fixed to the top ends of the front column and the rear column, and form a gantry together with the front column and the rear column, and two sets of top pulleys are provided on the inner sides of the two ends of the top beam; the lifting platform is composed of a vertical frame, a horizontal frame, an upper beam, a lower beam, a horizontal guide wheel, and a vertical guide wheel, and the vertical frame is erected on the On both sides of the middle part of the lifting platform, the transverse frame is horizontally arranged at the bottom of the lifting platform, the two ends of the upper cross beam are respectively fixed to the top ends of the vertical upright frame, the lower cross beam is fixed to the bottom of the vertical upright frame, and its inner side surface is fixedly connected to the outer side of the transverse frame, and a horizontal guide wheel is arranged at the bottom of the transverse frame, and a track system is laid below the horizontal guide wheel along its walking direction, and a vertical guide wheel is fixed on the outer side of the vertical upright frame, and the vertical guide wheel can roll on the lifting guide rail; a track system is arranged under the lifting platform, and a detection railing is arranged at the rear side of the lifting platform, and the detection railing is located on both sides of the rear column, and an detection walkway is arranged outside the detection railing, and a safety protection railing is arranged outside the detection walkway, and on the detection walkway close to the rear column. A lifting drive device is provided, two sets of pulley blocks are provided on the upper crossbeam, and a cab is provided on the right side of the lifting platform; the lifting platform is installed between the front column and the rear column, and the lifting drive device is used for transmission and traction, and the lifting platform is lifted and lowered along the lifting guide rail within the set height range; the lifting drive device is arranged on the rear side of the rear column and is connected to the overspeed detection device; the electric control system is arranged in the electric control box outside the front column, and the safety protection system is arranged on the top of the electric control box; the roller table is installed under the lifting platform, and is composed of a frame, a roller, a transmission roller and a friction extraction mechanism, the frame is arranged on both sides of the roller table, and its two ends are respectively connected to the two ends of the roller, the roller is connected to the transmission roller, and the friction extraction mechanism is arranged on the transmission roller Extraction mechanism; A transmission structure is provided at the front end of the transmission roller, and the transmission mechanism is provided with a transmission motor, a sprocket and a chain. The roller is driven by the transmission motor via the sprocket and the chain. Four sets of running devices are provided near the outer sides of the four corners of the frame. The running devices are driven by the running motors located on both sides of the frame, which can jointly drive the entire ETV to travel on the track system; The lifting drive device is composed of a mounting frame, a drum, a lifting wire rope, and a lifting motor. Four lifting wire ropes are wound around the drum; The lifting motor drives the drum and drives the lifting platform to lift and lower by passing the lifting wire rope around the pulley group on the upper cross beam and the top pulley group on the top beam; The cab is installed in front of the roller platform, and a pedestrian walkway is provided between the roller platform and the cab;The track system includes two parallel ground rails, the ground rails are installed in a reserved ground foundation groove, and the rollers are arranged side by side between the two ground rails. ;

[0008] Preferably, a steel structure maintenance platform is provided on the upper part of the front column and the rear column, and the maintenance platform can accommodate two people for maintenance work at the same time. A safety fence is provided around the maintenance platform, and a vertical safety ladder is provided below the maintenance platform, which is installed on the sides of the front column and the rear column.

[0009] Preferably, the lifting drive device is also provided with an overspeed protection safety device, and the overspeed protection safety device is electrically connected to the overspeed detection device.

[0010] Preferably, the side surfaces of the vertical frame are also provided with inclined beams.

[0011] Preferably, the spacing between the rollers is 305 mm, and a detachable walkway plate is installed between adjacent rollers.

[0012] Preferably, the lifting motor uses two 55KW lifting motors, which are driven by AC frequency conversion, and the frequency converter used is a vector control mode.

[0013] Preferably, the cab is a fully enclosed frame structure with large glass installed on both sides for easy viewing. The cab is provided with an operating table that functions as a signal transmission and operation center, and a display instrument panel, ETV driving and lifting switches are installed on the operating table.

[0014] Preferably, the cab is provided with a door communicating with a pedestrian walkway on the cargo platform and a door communicating with a maintenance ladder.

[0015] Preferably, the center distance between the two ground rails is 5000 mm, and the ground rail is installed in a reserved ground foundation groove, and its upper surface is 5 mm above the ground.

[0016] Preferably, the running device is provided with a hydraulic buffer and can be mechanically limited to prevent the ETV from exceeding the safety zone.

[0017] Through the above technical scheme, the present invention designs the ETV lifting transfer vehicle into a structure including columns, top beams, chassis, lifting platform, lifting drive device, overspeed detection device, electric control system, cab, safety protection system, running device and track system. The running motor of the running device drives the running wheels on the chassis to make the ETV run horizontally along the ground track; the lifting wire rope tied to the lifting platform, under the drive of the lifting motor, pulls the lifting platform to complete the lifting movement along the lifting guide rail; the lifting platform is equipped with a roller table, and the roller table and the ETV roller table are driven to rotate synchronously through the friction force of the extractor to complete the storage or outbound operation of the container plate or container. Its overall design is reasonable, the structure is simple, the airport cargo handling function is complete, and the manufacturing cost is not high. At the same time, it is stable in operation during cargo transfer, and the operator is convenient to operate, which can fully adapt to the high-speed development of aviation cargo handling. Thereby achieving the purpose of novel design, reasonable structure and good application effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A three-dimensional diagram of an ETV lifting transfer vehicle disclosed in an embodiment of the present invention;

[0020] Figure 2 A front view of an ETV lifting transfer vehicle disclosed in an embodiment of the present invention;

[0021] Figure 3 A top view of an ETV lifting transfer vehicle disclosed in an embodiment of the present invention;

[0022] Figure 4 The figure is a side view of an ETV lifting transfer vehicle disclosed in an embodiment of the present invention.

[0023] The numbers and letters in the figure represent the corresponding component names:

[0024] 1. Front column 2. Rear column 3. Top beam 4. Underframe 50. Lifting guide rail 51. Vertical frame 52. Horizontal frame 53. Upper beam 54. Lower beam 55. Horizontal guide wheel 56. Vertical guide wheel 57. Detection rail 58. Detection walkway 59. Safety protection rail 510. Pulley block 6. Electric control system 7. Overspeed detection device 8. Cab 9. Safety protection system 10. Traveling device 11. Track system 12. Electric control box 13. Chain 14. Frame 15. Roller 16. Drive roller 17. Friction extraction mechanism 18. Drive motor 19. Sprocket 20. Traveling motor 22. Mounting frame 23. Drum 24. Lifting wire rope 25. Lifting motor 26. Ground rail 27. Maintenance platform 28. Safety protection fence 29. Vertical safety ladder 30. Overspeed protection safety device 31. Top pulley block 32. Walkway board 33. Hydraulic buffer DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] The present invention is further described in detail below with reference to examples and specific implementation modes.

[0027] Example

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, an ETV lifting transfer vehicle includes a front column 1, a rear column 2, a top beam 3, a bottom frame 4, a lifting platform, a lifting drive device, an overspeed detection device 7, an electric control system 6, a cab 8, a safety protection system 9, a running device 10 and a track system 11; the inner side of the front column 1 and the rear column 2 is provided with a lifting guide rail 50 of the lifting platform, and a steel structure maintenance platform 27 is provided on the upper part of the front column 1 and the rear column 2; the two ends of the top beam 3 are respectively fixed to the top of the front column 1 and the rear column 2, and form a gantry together with the front column 1 and the rear column 2, and two sets of top pulleys 31 are provided on the inner sides of the two ends of the top beam 3; the lifting platform is composed of a vertical frame 51, a horizontal frame 52, an upper beam 53, a lower beam 54, a horizontal guide The lifting platform is composed of a lifting wheel 55 and a vertical guide wheel 56. The vertical frame 51 is vertically arranged on both sides of the middle of the lifting platform. The horizontal frame 52 is horizontally arranged at the bottom of the lifting platform. The two ends of the upper crossbeam 52 are respectively fixed to the top of the vertical frame 51. The lower crossbeam 52 is fixed to the bottom of the vertical frame 51, and its inner side is fixedly connected to the outer side of the cross frame 52. A horizontal guide wheel 55 is arranged at the bottom of the cross frame 52. A track system is laid below the horizontal guide wheel 55 along its walking direction. A vertical guide wheel 56 is fixed on the outer side of the vertical frame 51. The vertical guide wheel 56 can roll on the lifting guide rail 50. A track system is arranged under the lifting platform, and a detection railing 57 is arranged at the rear side of the lifting platform. The detection railing 57 Located on both sides of the rear column 2, an inspection walkway 58 is provided on the outside of the inspection railing 57, a safety protection railing 59 is provided on the periphery of the inspection walkway 58, and a lifting drive device is provided on the inspection walkway 58 close to the rear column 2, two sets of pulley blocks 510 are provided on the upper crossbeam 53, and a cab 8 is provided on the right side of the lifting platform; the lifting platform is installed between the front column 1 and the rear column 2, and the lifting drive device is used for transmission and traction, and the lifting platform is lifted and lowered along the lifting guide rail 50 within a set height range; the lifting drive device is arranged on the rear side of the rear column 2 and is connected to the overspeed detection device 7; the electric control system 6 is arranged in the electric control box 12 on the outside of the front column 1, and the safety protection system 9 is arranged on the top of the electric control box 12; the roller The platform is installed below the lifting platform and is composed of a frame 14, a roller 15, a transmission roller 16 and a friction extraction mechanism 17. The frame 14 is arranged on both sides of the roller platform, and its two ends are respectively connected to the two ends of the roller 15, the roller 15 is connected to the transmission roller 16, and the friction extraction mechanism 17 is arranged on the transmission roller 16; a transmission structure is arranged at the front side end of the transmission roller 16, and the transmission mechanism is provided with a transmission motor 18, a sprocket 19 and a chain 13, and the roller 15 is driven by the transmission motor 18 via the sprocket 19 and the chain. The frame 14 is provided with four sets of running devices 10 near the outer sides of the four corners, and the running devices 10 are driven by the running motors 20 located on both sides of the frame 14, which can jointly drive the entire ETV to travel on the track system;The lifting drive device is composed of a mounting frame 22, a drum 23, a lifting wire rope 24, and a lifting motor 25. Four lifting wire ropes 24 are wound around the drum 23. The lifting motor 25 drives the drum 23 and drives the lifting platform to move up and down by passing the lifting wire rope 24 around the pulley block 510 on the upper cross beam 53 and the top pulley block 31 on the top beam 3. The cab 8 is installed in front of the roller platform, and a pedestrian walkway is provided between the roller platform and the cab 8. The track system includes two parallel ground rails 26, which are installed in a reserved ground foundation groove, and the roller 15 is arranged side by side between the two ground rails 26.

[0029] In order to facilitate maintenance of the top of the ETV, a steel structure maintenance platform 27 is provided on the upper part of the front column 1 and the rear column 2. The maintenance platform 27 can accommodate two people for maintenance work at the same time. A safety fence 28 is provided around the maintenance platform 27. A vertical safety ladder 29 is provided below the maintenance platform 27. The safety ladder 29 is installed on the side of the front column 1 and the rear column 2. An overspeed protection safety device 30 is also provided on the lifting drive device, and the overspeed protection safety device 30 is electrically connected to the overspeed detection device 7. An inclined beam 31 is also provided on the side of the vertical frame 51 to further increase its support strength.

[0030] The spacing between the rollers 15 is 305 mm, and a detachable walkway plate 32 is installed between adjacent rollers 15 to facilitate personnel to walk or inspect when the machine is stopped.

[0031] At the same time, in order to match the cargo handling capacity of this ETV, the lifting motor 25 uses two 55KW lifting motors, the driving mode of which adopts AC frequency conversion mode, and the frequency converter used is vector control mode.

[0032] The cab 8 is a fully enclosed frame structure, with large glass installed on both sides for easy viewing. The cab 8 is equipped with an operating table that functions as a signal transmission and operation center, and a display instrument panel, ETV driving and lifting switches are installed on the operating table. The cab 8 is equipped with a door connected to the cargo platform pedestrian walkway and a door connected to the maintenance ladder to facilitate personnel entry and exit, and can be used for maintenance and debugging and escape of personnel in the cab.

[0033] The center distance between the two ground rails 26 is 5000 mm, and the ground rail 26 is installed in a reserved ground foundation groove, and its upper surface is 5 mm above the ground.

[0034] In addition, the running device 10 is provided with a hydraulic buffer 33, and can perform mechanical running limit on it to prevent the ETV from exceeding the safety zone.

[0035] When the ETV lifting transfer vehicle is working, the running motor 20 drives the running wheels 21 on the chassis 4 to make the ETV run horizontally along the ground rail 26; the lifting wire rope 24 tied to the lifting platform, driven by the lifting motor 25, pulls the lifting platform to complete the lifting movement along the lifting guide rail 50; a roller table is arranged on the lifting platform, and the friction force of the extractor drives the roller table and the ETV roller table to rotate synchronously to complete the storage or outbound operation of the container or container.

[0036] In this example, the present invention designs the ETV lifting transfer vehicle into a structure including a front column 1, a rear column 2, a top beam 3, a chassis 4, a lifting platform, a lifting drive device, an overspeed detection device 7, an electric control system, a cab 8, a safety protection system 9, a running device 10 and a track system 11. The running motor 20 of the running device 10 drives the running wheel 21 on the chassis 4 to make the ETV run horizontally along the ground rail 26; the lifting wire rope 24 tied to the lifting platform, under the drive of the lifting motor 25, the lifting wire rope 24 pulls the lifting platform to complete the lifting movement along the lifting guide rail 50; the lifting platform is equipped with a roller table, and the roller table and the ETV roller table are driven to rotate synchronously through the friction force of the extractor to complete the storage or outbound operation of the container plate or container. Its overall design is reasonable, the structure is simple, the airport cargo handling function is complete, and the manufacturing cost is not high. At the same time, it is stable in operation during cargo transportation, and the operator is convenient to operate, which can fully adapt to the high-speed development of aviation cargo handling. Thus, the purpose of novel design, reasonable structure and good application effect is achieved.

[0037] The above is only a preferred embodiment of the ETV lifting transfer vehicle of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the creative concept of the present invention, which all fall within the protection scope of the present invention.

Claims

1. An ETV lifting transfer vehicle, characterized in that: It includes columns, top beams, underframes, lifting platforms, lifting drive devices, overspeed detection devices, electronic control systems, cabs, safety protection systems, running devices and track systems; the columns are double-column, consisting of front columns and rear columns, the inner sides of the front columns and rear columns are provided with lifting guide rails of the lifting platform, and a steel structure maintenance platform is provided on the upper parts of the front columns and rear columns; the two ends of the top beam are respectively fixed to the top ends of the front columns and rear columns, and form a gantry together with the front columns and rear columns, and two sets of top pulleys are provided on the inner sides of the two ends of the top beam; the lifting platform is composed of a vertical frame, a horizontal frame, an upper beam, a lower beam, a horizontal guide wheel, and a vertical guide wheel The vertical frame is erected on both sides of the middle part of the lifting platform, the cross frame is horizontally arranged at the bottom of the lifting platform, the two ends of the upper cross beam are respectively fixed to the top of the vertical frame, the lower cross beam is fixed to the bottom of the vertical frame, and its inner side is fixedly connected to the outer side of the cross frame, a horizontal guide wheel is arranged at the bottom of the cross frame, a track system is laid below the horizontal guide wheel along its walking direction, a vertical guide wheel is fixed on the outer side of the vertical frame, and the vertical guide wheel can roll on the lifting guide rail; a track system is arranged under the lifting platform, a detection railing is arranged on the rear side of the lifting platform, and the detection railing is located on both sides of the rear column, and a detection railing is arranged on the outer side of the detection railing There is an inspection walkway, the outer periphery of the inspection walkway is provided with a safety guardrail, and a lifting drive device is provided on the inspection walkway near the rear column, two sets of pulleys are provided on the upper crossbeam, and a cab is provided on the right side of the lifting platform; the lifting platform is installed between the front column and the rear column, and the lifting drive device is used for transmission and traction, and the lifting platform is lifted and lowered along the lifting guide rail within the set height range; the lifting drive device is arranged at the rear side of the rear column and is connected to the overspeed detection device; the electric control system is arranged in the electric control box outside the front column, and the safety protection system is arranged on the top of the electric control box; the roller table is installed under the lifting platform, and is composed of a frame, rollers, transmission rollers and friction The frame is provided on both sides of the roller table, and its two ends are respectively connected to the two ends of the roller, the roller is connected to the transmission roller, and the friction extraction mechanism is provided on the transmission roller; the front side of the transmission roller is provided with a transmission mechanism, the transmission mechanism is provided with a transmission motor, a sprocket and a chain, the roller is driven by the transmission motor via the sprocket and the chain, the frame is provided with four sets of running devices near the outer sides of the four corners, the running devices are driven by the running motors located on both sides of the frame, and they can jointly drive the entire ETV to travel on the track system; the lifting drive device is composed of a mounting frame, a drum, a lifting wire rope, and a lifting motor, and four lifting wire ropes are wound around the drum; The lifting motor drives the drum and drives the lifting platform to move up and down by passing the lifting wire rope around the pulley block on the upper cross beam and the top pulley block on the top beam; the cab is installed in front of the roller platform, and a pedestrian walkway is provided between the roller platform and the cab; the track system includes two parallel ground rails, the ground rails are installed in a reserved ground foundation groove, and the rollers are arranged side by side between the two ground rails; The upper parts of the front and rear columns are provided with steel structure maintenance platforms, which can accommodate two people for maintenance work at the same time. Safety protection fences are provided around the maintenance platforms, and vertical safety ladders are provided below the maintenance platforms, which are installed on the sides of the front and rear columns. The lifting drive device is also provided with an overspeed protection safety device, and the overspeed protection safety device is electrically connected to the overspeed detection device; The side surfaces of the vertical frame are also provided with inclined beams.

2. An ETV lifting transfer vehicle according to claim 1, characterized in that: The spacing between the rollers is 305 mm, and a detachable walkway plate is installed between adjacent rollers.

3. The ETV lifting transfer vehicle according to claim 1, characterized in that: The lifting motors are two 55KW lifting motors, the driving mode is AC frequency conversion, and the frequency converter is vector control.

4. The ETV lifting transfer vehicle according to claim 1, characterized in that: The cab is a fully enclosed frame structure with large glass on both sides for easy viewing. The cab is equipped with an operating table that serves as a signal transmission and operation center, and a display instrument panel, ETV driving and lifting switches are installed on the operating table.

5. The ETV lifting transfer vehicle according to claim 1, characterized in that: The cab is provided with a door communicating with a pedestrian walkway on the cargo platform and a door communicating with a maintenance ladder.

6. The ETV lifting transfer vehicle according to claim 1, characterized in that: The center distance between the two ground rails is 5000mm, and the ground rail is installed in a reserved ground foundation groove, and its upper surface is 5mm above the ground.

7. The ETV lifting transfer vehicle according to claim 1, characterized in that: The running device is provided with a hydraulic buffer and can perform mechanical running limit on it to prevent the ETV from exceeding the safety zone.

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