CN215436151U

CN215436151U - Automatic unloading platform for truck

Info

Publication number: CN215436151U
Application number: CN202121470707.0U
Authority: CN
Inventors: 庞喜波; 邱承钢; 于庆华
Original assignee: Shandong Tonghua Special Vehicle Co ltd
Current assignee: Shandong Tonghua Special Vehicle Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-07
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses an automatic unloading platform for a truck, which comprises a driving device, a transmission device and one or more rows of unloading platforms arranged on a truck frame, wherein each row of unloading platform consists of a driving shaft, a driven shaft, a conveying chain and a tensioning mechanism, two ends of the driving shaft are respectively fixed with an outer side driving chain wheel and an inner side driving chain wheel, and two ends of the driving shaft are fixed on the truck frame through the tensioning mechanisms; the two ends of the driven shaft are respectively provided with an outer driven chain wheel and an inner driven chain wheel in a rotating mode, the outer driving chain wheel and the outer driven chain wheel, the inner driving chain wheel and the inner driven chain wheel are respectively in transmission connection through two conveying chains, and the driving device drives the driving shaft to rotate through the transmission device. According to the automatic unloading platform for the freight car, the section bars can be driven to move synchronously in the process that the driving shaft and the conveying chain are driven by the driving device through the transmission device to rotate, the goods on the section bars can be quickly and conveniently unloaded, and the unloading efficiency of the existing freight car is greatly improved.

Description

Automatic unloading platform for truck

Technical Field

The utility model relates to a discharging platform, in particular to an automatic discharging platform for a truck.

Background

The freight car realizes the transportation of goods, especially current logistics industry is developing day by day, and the handling efficiency and the cost of goods directly influence transportation efficiency and cost. At present, the direct loading of goods is usually adopted, the goods to be transported are loaded into a carriage of a truck through a forklift or manpower, the goods are unloaded from the truck through the manpower or the forklift after being transported to a destination, and in the loading process, the great manpower and time are needed for loading the goods into the carriage.

Disclosure of Invention

The utility model provides an automatic unloading platform for a truck, aiming at overcoming the defects of the technical problems.

The utility model discloses an automatic unloading platform for a freight car, which comprises a driving device, a transmission device and one or more than one row of unloading platforms arranged on a frame, wherein the length direction of the unloading platforms is consistent with the length direction of the frame, and the driving device is fixed at one end of the frame; the method is characterized in that: each row of unloading platform consists of a driving shaft, a driven shaft, a conveying chain and a tensioning mechanism, wherein the driving shaft and the driven shaft are parallel to each other and are respectively positioned at the front end and the rear end of the frame, an outer side driving chain wheel and an inner side driving chain wheel are respectively fixed at the two ends of the driving shaft, and the two ends of the driving shaft are fixed on the frame through the tensioning mechanisms; two ends of the driven shaft are respectively and rotatably provided with an outer driven chain wheel and an inner driven chain wheel, and two ends of the driven shaft are fixed on the frame through tensioning mechanisms; the outer side driving chain wheel and the outer side driven chain wheel, and the inner side driving chain wheel and the inner side driven chain wheel are respectively in transmission connection through two conveying chains, the section bars which are uniformly distributed at intervals and used for bearing goods are arranged between the two conveying chains, and two ends of the section bars are respectively fixed on the two conveying chains; the driving device drives the driving shaft to rotate through the transmission device, and the driving shaft drives the section bars to move through the conveying chains, so that the loading and unloading of goods on the section bars are realized.

According to the automatic unloading platform for the freight car, the inside of the section bar is a cavity, pin shaft holes are formed in the end faces of the two ends of the section bar, chain lengthening pin shafts extending outwards in the radial direction of chain links of the conveying chain are connected, and the chain lengthening pin shafts are inserted into the pin shaft holes to realize the fixed connection of the section bar and the conveying chain.

According to the automatic unloading platform for the freight car, the anti-skidding convex ribs and the anti-skidding grooves are arranged on the outer surface of the section at intervals so as to increase the friction force between goods and the section.

The automatic unloading platform for the freight car is characterized in that the number of the driving devices is one or more, each driving device comprises a driving motor and a speed reducer, the transmission device comprises a speed reducer chain wheel, a driving chain and a transmission chain wheel, an input shaft of the speed reducer is connected with an output shaft of the driving motor, the speed reducer chain wheel is fixed on the output shaft of the speed reducer, the transmission chain wheel is fixed on the driving shaft, and the speed reducer chain wheel is in transmission connection with the transmission chain wheel through the driving chain.

The automatic unloading platform for the freight car comprises a tensioning mechanism, a tensioning wheel and an adjusting bolt, wherein the tensioning wheel is arranged at the end part of a driving shaft or a driven shaft, the adjusting bolt is arranged on a car frame, and the adjusting bolt is provided with an adjusting nut.

The automatic unloading platform for the freight car comprises a frame, a side beam, a frame cross beam, and an upper section and a lower section of a conveying chain, wherein the upper section and the lower section of the conveying chain are respectively positioned above and below the frame cross beam.

The utility model has the beneficial effects that: the automatic unloading platform for the freight car comprises a driving device, a transmission device, a driving shaft, a driven shaft, two conveying chains, a profile and a tensioning mechanism, wherein the driving device, the transmission device, the driving shaft, the driven shaft, the two conveying chains, the profile and the tensioning mechanism are arranged on a frame, the two conveying chains are in transmission connection through driving and driven chain wheels arranged on the driving shaft and the driven shaft, and two ends of the profile are fixed on the two conveying chains.

Furthermore, the pin shaft holes are formed in the outer end face of the sectional material, the shaft for connecting the adjacent chain links on the conveying chain is designed into a chain lengthening pin shaft form extending outwards towards one end, the chain lengthening pin shaft is inserted into the pin shaft holes, the sectional material and the conveying chain can be connected, and good firmness can be guaranteed after connection.

Drawings

Fig. 1 is a front view of an automatic unloading platform for trucks according to the present invention;

fig. 2 is a left side view of the automatic unloading platform for trucks of the present invention;

fig. 3 is a top view of the automatic unloading platform for trucks of the present invention;

fig. 4 is a perspective view of an automatic unloading platform for trucks according to the present invention;

FIG. 5 is a front view of the profile of the present invention engaged with a drive chain;

FIG. 6 is a top view of the profile of the present invention engaged with a drive chain;

FIG. 7 is a cross-sectional view of section A-A of FIG. 6;

FIG. 8 is a perspective view of the profile of the present invention engaged with a drive chain;

FIG. 9 is an enlarged view of a portion of the area B in FIG. 7;

FIG. 10 is a schematic structural view of the profile of the present invention;

FIG. 11 is a schematic view of a single drive row of landing platforms;

FIG. 12 is a schematic structural view of a single-drive three-row discharge platform;

fig. 13 is a schematic diagram of a dual drive dual row landing platform configuration.

In the figure: 1 speed reducer, 2 driving motor, 3 first boundary beam, 4 second boundary beams, 5 third boundary beam, 6 fourth boundary beam, 7 speed reducer sprocket, 8 drive chain, 9 drive shafts, 10 outside drive sprocket, 11 drive sprocket, 12 tight pulley that rises, 13 adjusting bolt, 14 transportation chain, 15 section bars, 16 frame head connecting piece, 17 frame crossbeam, 18 inboard driven sprocket, 19 outside driven sprocket, 20 chain extension round pin axle, 21 anti-skidding fin, 22 anti-skidding recess, 23 cavity, 24 round pin shaft holes, 25 driven shafts, 26 inboard drive sprocket.

Detailed Description

The utility model is further described with reference to the following figures and examples.

As shown in fig. 1 to 4, a front view, a left view, a top view and a perspective view of the automatic unloading platform for trucks of the present invention are respectively shown, which is composed of a driving device, a transmission device and one or more rows of unloading platforms, the driving device is arranged at the front end of the truck frame, each row of unloading platforms is composed of a driving shaft 9, a driven shaft 25, two transportation chains 14, a section bar 15 and a tensioning mechanism, the driving shaft 9 and the driven shaft 25 are respectively arranged at the front end and the rear end of the truck frame, the driving shaft 9 and the driven shaft 25 are arranged in parallel, both ends of the driving shaft 9 are connected with the truck frame through the tensioning mechanism, and both ends of the driving shaft 9 are respectively fixed with an outer driving sprocket 10 and an inner driving sprocket 26. The driving device drives the driving shaft 9 to rotate through the transmission device, and further drives the outer driving sprocket 10 and the inner driving sprocket 26 to rotate.

Two ends of the driven shaft 25 are connected with the frame through tensioning mechanisms, two ends of the driven shaft 25 are respectively provided with an outer driven chain wheel 19 and an inner driven chain wheel 18 in a rotating mode, and the outer driving chain wheel 10 and the outer driven chain wheel 19, and the inner driving chain wheel 26 and the inner driven chain wheel 18 are in transmission connection through the conveying chain 14. The section bars 15 are closely arranged along the length direction of the frame at intervals, the length direction of the section bars 15 is consistent with the width direction of the frame, and the two ends of the section bars 15 are fixed on the transportation chains 14, so that the section bars 15 can be driven to synchronously move in the process that the driving shaft 9 drives the transportation chains 14 to rotate, and then the goods placed on the section bars 15 can be automatically unloaded.

As shown in fig. 5, fig. 6 and fig. 8, which respectively show a front view, a top view and a perspective view of the profile and the driving chain of the present invention, fig. 7 shows a sectional view of a section a-a in fig. 6, fig. 9 shows a partial enlarged view of a region B in fig. 7, fig. 10 shows a schematic structural view of the profile of the present invention, two pin shaft holes 24 are formed on the outer end surfaces of both ends of the profile 15, a cavity 23 is formed inside the profile 15, two adjacent links of the transporting chain 14 are connected through a pin shaft, the pin shaft is arranged to extend towards one end, the chain lengthening pin shaft 20 is inserted into the pin shaft hole 24 to realize the fixed connection of the profile 15 and the transporting chain 14, and the connection is not only simplified, but also more firm and convenient. In order to ensure sufficient friction between the goods and the profile 15, the profile 15 is provided with anti-slip ribs 21 and anti-slip grooves 22 at intervals on the outer surface. The profile 15 is not limited to the shape shown in the figures, but may also take other forms.

The tensioning mechanism is composed of a tensioning wheel 12 and an adjusting bolt 13, the tensioning wheel 12 is arranged at the end portion of the driving shaft 9 or the driven shaft 25, the adjusting bolt 13 is arranged on the frame, an adjusting nut is arranged on the adjusting bolt 13, the extending length of the adjusting bolt 13 can be adjusted by rotating the adjusting nut on the adjusting bolt 13, and then the driving shaft 9 or the driven shaft 25 is supported outwards, tensioning of the conveying chain 14 is achieved, and normal transmission of the chain is guaranteed.

The driving device is one or more than one set, each set of driving device comprises a driving motor 2 and a speed reducer 1, the transmission mechanism comprises a speed reducer chain wheel 7, a driving chain 8 and a transmission chain wheel 11, an input shaft of the speed reducer 1 is connected with an output shaft of the driving motor 2, the speed reducer chain wheel 7 is fixed on the output shaft of the speed reducer 1, the transmission chain wheel 11 is fixed on a driving shaft 9, and the speed reducer chain wheel 7 is in transmission connection with the transmission chain wheel 11 through the driving chain 8, so that in the process that the driving motor 2 drives the speed reducer chain wheel 7 to rotate through the speed reducer 1, the speed reducer chain wheel 7 drives the driving shaft 9 to rotate through the driving chain 8 and the transmission chain 11, and finally, the synchronous motion of the section bar 15 along with the conveying chain 14 is realized, and the automatic unloading is realized.

One or more sets of driving devices can be adopted, and one or more rows of discharging platforms can also be adopted, as shown in fig. 11, a structural schematic diagram of a single-driving row of discharging platforms is given, and the single-driving row of discharging platforms adopts one set of driving devices and one row of discharging platforms. As shown in fig. 12, a schematic structural diagram of a single-drive three-row unloading platform is provided, which employs one set of drive device and three rows of unloading platforms, as shown in fig. 13, a schematic structural diagram of a dual-drive two-row unloading platform is provided, which employs two sets of drive devices and two rows of unloading platforms.

Claims

1. An automatic unloading platform for a freight car comprises a driving device, a transmission device and one or more than one row of unloading platforms arranged on a car frame, wherein the length direction of each unloading platform is consistent with the length direction of the car frame, and the driving device is fixed at one end of the car frame; the method is characterized in that: each row of unloading platforms consists of a driving shaft (9), a driven shaft (25), a conveying chain (14) and a tensioning mechanism, wherein the driving shaft and the driven shaft are parallel to each other and are respectively positioned at the front end and the rear end of the frame, an outer side driving chain wheel (10) and an inner side driving chain wheel (26) are respectively fixed at the two ends of the driving shaft, and the two ends of the driving shaft are fixed on the frame through the tensioning mechanisms; two ends of the driven shaft are respectively and rotatably provided with an outer driven chain wheel (19) and an inner driven chain wheel (18), and two ends of the driven shaft are fixed on the frame through tensioning mechanisms; the outer side driving chain wheel and the outer side driven chain wheel, and the inner side driving chain wheel and the inner side driven chain wheel are respectively in transmission connection through two conveying chains, sectional materials (15) which are uniformly distributed at intervals and used for bearing goods are arranged between the two conveying chains, and two ends of the sectional materials are respectively fixed on the two conveying chains; the driving device drives the driving shaft to rotate through the transmission device, and the driving shaft drives the section bars to move through the conveying chains, so that the loading and unloading of goods on the section bars are realized.

2. An automatic landing platform for trucks as claimed in claim 1, wherein: the inside of section bar (15) is cavity (23), all is provided with round pin shaft hole (24) on the terminal surface at section bar both ends, and the chain extension round pin axle (20) that the chain link warp direction of transportation chain (14) is outwards extended is connected, and the fixed connection of section bar and transportation chain is realized in the round pin shaft hole to chain extension round pin axle inserts.

3. An automatic landing platform for trucks according to claim 1 or 2, wherein: anti-skid convex ribs (21) and anti-skid grooves (22) are arranged on the outer surface of the section bar (15) at intervals so as to increase the friction force between goods and the section bar.

4. An automatic landing platform for trucks according to claim 1 or 2, wherein: the driving device is one set or more than one set, each set of driving device consists of a driving motor (2) and a speed reducer (1), the transmission device consists of a speed reducer chain wheel (7), a driving chain (8) and a transmission chain wheel (11), an input shaft of the speed reducer is connected with an output shaft of the driving motor, the speed reducer chain wheel is fixed on an output shaft of the speed reducer, the transmission chain wheel is fixed on a driving shaft (9), and the speed reducer chain wheel is in transmission connection with the transmission chain wheel through the driving chain.

5. An automatic landing platform for trucks according to claim 1 or 2, wherein: the tensioning mechanism is composed of a tensioning wheel (12) and an adjusting bolt (13), the tensioning wheel is arranged at the end part of the driving shaft (9) or the driven shaft (25), the adjusting bolt is arranged on the frame, and an adjusting nut is arranged on the adjusting bolt.

6. An automatic landing platform for trucks according to claim 1 or 2, wherein: the frame comprises boundary beam and frame crossbeam (17), and the upper segment and the lower section of transportation chain (14) are located the top and the below of frame crossbeam (17) respectively.