Novel telescopic loading and unloading machine

Abstract

The utility model discloses a novel telescopic loading and unloading machine, which relates to the technical field of truck loading and unloading and comprises a base station, telescopic driving equipment is arranged at the upper end of the base station, a pushing frame body is arranged on the inner side of the telescopic driving equipment, a fulcrum shaft is fixed at the lower end of one end, far away from the telescopic driving equipment, of the pushing frame body, and the outer side of the fulcrum shaft is rotatably connected with an outer door frame. A second oil cylinder set is fixed to the upper end of the end, away from the telescopic driving device, of the pushing frame. An inner gantry is slidably connected to the inner side of the outer gantry, a third oil cylinder set is fixed to the outer side of the outer gantry, a bearing hanging frame is slidably connected to the inner side of the end, away from the pushing frame body, of the inner gantry, and a carrying hanging plate is slidably connected to the end, away from the pushing frame body, of the bearing hanging frame. According to the novel telescopic loading and unloading machine provided by the utility model, through the integral structural matching design, the inner door frame is conveniently driven to lift and slide on the inner side of the outer door frame, meanwhile, the forward inclination angle of the outer door frame is conveniently adjusted, and the outer door frame and the inner door frame are kept vertical to the bottom of a carriage.

Description

Technical Field

[0001] The utility model relates to the technical field of truck loading and unloading, in particular to a novel telescopic loader. Background Technique

[0002] The loading of the long truck carriage is basically carried out by manually moving the materials into the carriage. In this loading method, the labor intensity of workers is high. To reduce the labor intensity of workers and improve the loading efficiency of goods, a telescopic loader for the rear-opening carriage has emerged.

[0003] At present, during the process of loading the rear-opening carriage with a telescopic loader, as the goods are loaded into the carriage, the carriage will tilt, resulting in difficulty in keeping the front end of the loader parallel to the carriage, which is not convenient for continuous loading. Therefore, this application proposes a novel telescopic loader. Summary of the Utility Model

[0004] Based on this, in view of the above technical problems, it is necessary to provide a novel telescopic loader. Through the overall structural cooperation design, it is convenient to drive the inner gantry to lift and slide inside the outer gantry, so that the height of the bottom end of the inner gantry is convenient to adapt to trucks with different bottom heights of various carriages. At the same time, through the support of the outer gantry by the support shaft and the control of the telescopic end of the second oil cylinder group to expand and contract, it is convenient to adjust the forward inclination angle of the outer gantry, so that when the carriage tilts, it can be ensured that the outer gantry, the inner gantry and the bottom of the carriage are perpendicular, which is convenient for subsequent loading or unloading.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A novel telescopic loader, which is applied to the loading and unloading of goods in a truck carriage;

[0007] It includes a base, a telescopic driving device is arranged at the upper end of the base, a pushing frame body is arranged inside the telescopic driving device, a goods conveying device is arranged at the lower end of the pushing frame body and outside the base, a support shaft is fixed at the lower end of the pushing frame body away from the telescopic driving device, an outer gantry is rotatably connected to the outside of the support shaft, a third shaft seat is fixed at the upper end of the outer gantry close to the pushing frame body, a second oil cylinder group is fixed at the upper end of the pushing frame body away from the telescopic driving device, and the telescopic end of the second oil cylinder group is located outside the third shaft seat and is rotatably connected to the third shaft seat;

[0008] The inner gantry is slidably connected inside the outer gantry, a third oil cylinder group is fixed outside the outer gantry, the telescopic end of the third oil cylinder group is fixed to the inner gantry, a carrying hanging rack is slidably connected inside the inner gantry away from the pushing frame body, a carrying hanging plate is slidably connected to the end of the carrying hanging rack away from the pushing frame body, and a plurality of fork teeth are fixed to the outside of each carrying hanging plate.

[0009] As a preferred embodiment of the novel telescopic loader provided by the present utility model, a first driving oil cylinder is fixed at the center inside the inner gantry. A support pulley group is fixed at the telescopic end of the first driving oil cylinder. A steel rope is wound around the outside of the support pulley group. One end of the steel rope close to the pushing frame body is fixed to the bottom end inside the inner gantry, and the other end of the steel rope away from the pushing frame body is fixed to the upper end of the load-carrying hanging frame.

[0010] As a preferred embodiment of the novel telescopic loader provided by the present utility model, a second driving oil cylinder is fixed to the upper end of the load-carrying hanging frame, and the telescopic end of the second driving oil cylinder is fixed to the carrying hanging plate.

[0011] As a preferred embodiment of the novel telescopic loader provided by the present utility model, a first lidar is installed at the upper end of the pushing frame body away from the telescopic driving device, second lidars are installed on both sides of the pushing frame body away from the telescopic driving device, and two third lidars are installed at the bottom end of the pushing frame body away from the telescopic driving device.

[0012] As a preferred embodiment of the novel telescopic loader provided by the present utility model, a support plate is fixed inside the pushing frame body away from the telescopic driving device, and an auxiliary lifting mechanism is arranged at the lower end of the support plate.

[0013] As a preferred embodiment of the novel telescopic loader provided by the present utility model, the auxiliary lifting mechanism includes a first oil cylinder group. The first oil cylinder group is fixed to the bottom end of the support plate. The telescopic end of the first oil cylinder group is movably connected to a connecting rod frame. A first shaft seat is also fixed inside the pushing frame body and at the lower end of the support plate. One end of the connecting rod frame is located outside the first shaft seat and is rotatably connected to the first shaft seat. The other end of the connecting rod frame is rotatably connected to a second shaft seat, and a plurality of rollers are arranged at the bottom end of the second shaft seat.

[0014] As a preferred embodiment of the novel telescopic loader provided by the present utility model, the length of the inner gantry is greater than that of the outer gantry. The descending height of the inner gantry is lower than the heights of the outer gantry and the pushing frame body. Guide wheel groups are symmetrically installed inside the outer gantry, and the inner gantry is in sliding fit with the guide wheel groups.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] The novel telescopic loader provided by the utility model, through the overall structural cooperation design, makes it convenient to drive the inner gantry to lift and slide inside the outer gantry, so that the height of the bottom end of the inner gantry is convenient to adapt to the bottom heights of various trucks with different carriages. At the same time, through the support of the outer gantry by the support shaft and the cooperation of controlling the telescopic end of the second oil cylinder group to stretch, it is convenient to adjust the forward inclination angle of the outer gantry, so that when the carriage tilts, it can ensure that the outer gantry, the inner gantry and the bottom of the carriage are perpendicular, which is convenient for subsequent loading or unloading.

[0017] By driving the load-bearing hanger to lift and slide inside the inner gantry, it is convenient to load the upper-layer goods with multiple fork teeth. By controlling the telescopic end of the second driving oil cylinder to extend and contract, it is convenient to drive the whole of multiple fork teeth to move left and right for adjustment, so that both sides of the multiple fork teeth are always equidistant from the inner side of the carriage to ensure centering. Through the settings of the first lidar, the second lidar and the third lidar, it is convenient to sense the distance and parallel angle between the outer gantry and the carriage, and cooperate with the external control system to facilitate the automatic adjustment of the outer gantry and the inner gantry. By controlling the telescopic end of the first oil cylinder group to extend, it is convenient to drive the connecting rod frame to rotate around the first shaft seat, so that the second shaft seat moves down and the roller fits with the bottom of the carriage, thereby realizing the support of the pushing frame body and facilitating the sharing of the load at one end of the pushing frame body close to the outer gantry. Brief Description of the Drawings

[0018] In order to more clearly illustrate the solutions in the present utility model, the following will briefly introduce the drawings required for use in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is the overall structural schematic diagram of the novel telescopic loader provided by the present utility model;

[0020] Figure 2 It is the structural schematic diagram of both ends of the pushing frame body of the novel telescopic loader provided by the present utility model;

[0021] Figure 3 It is the structural schematic diagram of the inner side of the pushing frame body of the novel telescopic loader provided by the present utility model;

[0022] Figure 4 It is the structural schematic diagram of the outer side of the outer gantry of the novel telescopic loader provided by the present utility model;

[0023] Figure 5 It is the structural schematic diagram of the inner side of the inner gantry of the novel telescopic loader provided by the present utility model.

[0024] The markings in the figures are explained as follows:

[0025] 1. Base; 2. Telescopic driving device; 3. Pushing frame body; 4. Cargo conveying device; 5. First lidar; 6. Second lidar; 7. Third lidar; 8. Support plate; 9. First oil cylinder group; 10. Linkage frame; 11. First shaft seat; 12. Second shaft seat; 13. Roller; 14. Support shaft; 15. Outer gantry; 16. Third shaft seat; 17. Second oil cylinder group; 18. Inner gantry; 19. Third oil cylinder group; 20. First driving oil cylinder; 21. Support pulley group; 22. Steel rope; 23. Load-bearing hanging rack; 24. Mounting hanging plate; 25. Second driving oil cylinder; 26. Fork teeth. Detailed implementation manner

[0026] As described in the background art, during the process of loading the rear-opening carriage with a telescopic loader at present, as the goods are loaded into the carriage, the carriage will tilt, resulting in difficulty in keeping the front end of the loader parallel to the carriage and inconvenient for continuous loading.

[0027] To solve this technical problem, the present utility model provides a new type of telescopic loader, which is applied to the loading and unloading of goods in a freight car carriage;

[0028] It includes a base 1, a telescopic driving device 2 is arranged at the upper end of the base 1, a pushing frame body 3 is arranged inside the telescopic driving device 2, a cargo conveying device 4 is arranged at the lower end of the pushing frame body 3 and outside the base 1, a support shaft 14 is fixed at the lower end of the end of the pushing frame body 3 far from the telescopic driving device 2, an outer gantry 15 is rotatably connected to the outside of the support shaft 14, a third shaft seat 16 is fixed at the upper end of the end of the outer gantry 15 close to the pushing frame body 3, a second oil cylinder group 17 is fixed at the upper end of the end of the pushing frame body 3 far from the telescopic driving device 2, and the telescopic end of the second oil cylinder group 17 is located outside the third shaft seat 16 and is rotatably connected to the third shaft seat 16;

[0029] An inner gantry 18 is slidably connected inside the outer gantry 15, a third oil cylinder group 19 is fixed outside the outer gantry 15, the telescopic end of the third oil cylinder group 19 is fixed to the inner gantry 18, a load-bearing hanging rack 23 is slidably connected inside the end of the inner gantry 18 far from the pushing frame body 3, a mounting hanging plate 24 is slidably connected to the end of the load-bearing hanging rack 23 far from the pushing frame body 3, and a plurality of fork teeth 26 are fixed to the outside of each mounting hanging plate 24.

[0030] The novel telescopic loader provided by the utility model, through the overall structural cooperation design, facilitates driving the inner gantry 18 to lift and slide inside the outer gantry 15, so that the height of the bottom end of the inner gantry 18 is convenient to adapt to the bottom heights of various trucks with different carriages. At the same time, through the support of the outer gantry 15 by the support shaft 14 and in cooperation with controlling the telescopic movement of the telescopic end of the second oil cylinder group 17, the forward tilt angle of the outer gantry 15 is conveniently adjusted. Thus, when the carriage is tilted, it can be ensured that the outer gantry 15, the inner gantry 18 and the bottom of the carriage are perpendicular, facilitating subsequent loading or unloading.

[0031] It should be noted that, without conflict, the embodiments and the features and technical solutions in the embodiments of the present utility model can be combined with each other.

[0032] It should be noted that similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0033] Embodiment 1:

[0034] Please refer to Figures 1-5 , a novel telescopic loader, including a base 1. A telescopic driving device 2 is arranged at the upper end of the base 1. A pushing frame body 3 is arranged inside the telescopic driving device 2. By means of the telescopic driving device 2, it is convenient to drive the pushing frame body 3 to perform telescopic movement, so that the pushing frame body 3 can reciprocate in and out of the carriage for convenient loading and unloading. A support shaft 14 is fixed to the lower end of the end of the pushing frame body 3 far from the telescopic driving device 2. An outer gantry 15 is rotatably connected to the outside of the support shaft 14. In order to support the outer gantry 15, a third shaft seat 16 is fixed to the upper end of the end of the outer gantry 15 close to the pushing frame body 3. A second oil cylinder group 17 is fixed to the upper end of the end of the pushing frame body 3 far from the telescopic driving device 2. The telescopic end of the second oil cylinder group 17 is located outside the third shaft seat 16 and is rotatably connected to the third shaft seat 16. By controlling the telescopic movement of the telescopic end of the second oil cylinder group 17, it is convenient to drive the outer gantry 15 to adjust the forward tilt angle with the support shaft 14 as the axis. Thus, when the carriage is tilted, it can be ensured that the outer gantry 15 is perpendicular to the bottom of the carriage, facilitating subsequent loading or unloading;

[0035] An inner gantry 18 is slidably connected inside the outer gantry 15. A third oil cylinder group 19 is fixed to the outside of the outer gantry 15. The telescopic end of the third oil cylinder group 19 is fixed to the inner gantry 18, so that by controlling the telescopic movement of the telescopic end of the third oil cylinder group 19, it is convenient to drive the inner gantry 18 to lift and move inside the outer gantry 15, and further adjust the height of the bottom end of the inner gantry 18, so that the bottom end of the inner gantry 18 can adapt to trucks with different bottom heights of various carriages;

[0036] The length of the inner mast 18 is much greater than that of the outer mast 15. When the telescopic end of the third oil cylinder group 19 is fully retracted, the inner mast 18 is lowered to a height lower than the outer mast 15 and the push frame 3, and extends out of the outer mast 15. A guide wheel group is symmetrically installed on the inner side of the outer mast 15, and the inner mast 18 engages and slides with the guide wheel group.

[0037] The inner side of the inner door frame 18 away from the pushing frame body 3 is slidably connected with a load-bearing hanger 23. In order to facilitate the height adjustment of the load-bearing hanger 23 on the inner side of the inner door frame 18, a first driving cylinder 20 is fixed at the center of the inner side of the inner door frame 18. A supporting pulley block 21 is fixed to the telescopic end of the first driving cylinder 20. A steel rope 22 is wound around the outer side of the supporting pulley block 21. The end of the steel rope 22 close to the pushing frame body 3 is fixed to the bottom end of the inner side of the inner door frame 18, and the end of the steel rope 22 away from the pushing frame body 3 is fixed to the upper end of the load-bearing hanger 23. The first driving cylinder 20 is started to drive the supporting pulley block 21 to rise, and the support of the steel rope 22 facilitates the load-bearing hanger 23 to slide up on the inner side of the inner door frame 18;

[0038] The end of the load-bearing hanger 23 away from the pushing frame 3 is slidably connected with a loading hanger plate 24, and a plurality of cargo fork teeth 26 are fixed on the outer side of the loading hanger plate 24. A second driving oil cylinder 25 is fixed on the upper end of the load-bearing hanger 23, and the telescopic end of the second driving oil cylinder 25 is fixed to the loading hanger plate 24, and the load-bearing hanger 23 is driven to lift and slide on the inner side of the inner door frame 18, and then the plurality of cargo fork teeth 26 are used to facilitate loading of upper cargo. At the same time, by controlling the telescopic end of the second driving oil cylinder 25 to extend or retract, the loading hanger plate 24 is moved, and then the plurality of cargo fork teeth 26 are conveniently driven to move left and right as a whole, so that the two sides of the plurality of cargo fork teeth 26 are always equidistant from the inner side of the carriage to ensure that they are centered.

[0039] A first laser radar 5 is installed at the upper end of the pushing frame 3 away from the telescopic driving device 2, and second laser radars 6 are installed on both sides of the pushing frame 3 away from the telescopic driving device 2. Two third laser radars 7 are installed at the bottom end of the pushing frame 3 away from the telescopic driving device 2, which are convenient for sensing the distance and parallel angle between the outer door frame 15 and the car body, and cooperate with the external control system to guide the outer door frame 15 and the inner door frame 18 to achieve automatic adjustment;

[0040] A cargo conveying device 4 is provided at the lower end of the push frame 3 and outside the base 1, and the cargo conveying device 4 facilitates the conveying of cargo, and when the push frame 3 is retracted, the cargo can be conveniently loaded onto the upper ends of the plurality of cargo fork teeth 26;

[0041] Embodiment 2:

[0042] The novel telescopic loader provided in Example 1 is further optimized, specifically, as follows: Figure 3As shown in the figure, when the pushing frame body 3 extends out, in order to share the load at one end of the pushing frame body 3 close to the forklift teeth 26, a support plate 8 is fixed to the inner side of the pushing frame body 3 away from the telescopic driving device 2, and an auxiliary lifting mechanism is arranged at the lower end of the support plate 8.

[0043] Specifically, the auxiliary lifting mechanism includes a first oil cylinder group 9. The first oil cylinder group 9 is fixed to the bottom end of the support plate 8. The telescopic end of the first oil cylinder group 9 is movably connected with a connecting rod frame 10. A first shaft seat 11 is also fixed to the inner side of the pushing frame body 3 and below the support plate 8. One end of the connecting rod frame 10 is located outside the first shaft seat 11 and is rotatably connected with the first shaft seat 11. The other end of the connecting rod frame 10 is rotatably connected with a second shaft seat 12, and a plurality of rollers 13 are arranged at the bottom end of the second shaft seat 12;

[0044] By controlling the telescopic end of the first oil cylinder group 9 to extend out, it is convenient to drive the connecting rod frame 10 to rotate with the first shaft seat 11 as the axis, so that the second shaft seat 12 moves downward and a plurality of rollers 13 are all in contact with the bottom of the carriage, thereby realizing the support of the pushing frame body 3, facilitating the sharing of the load at one end of the pushing frame body 3 close to the outer gantry 15, and controlling the continuous extension of the telescopic end of the first oil cylinder group 9 is convenient for lifting the outer gantry 15;

[0045] The above electrical components are all electrically connected to an external control system and a power source. Among them, the control system can be a conventional known device such as a computer for control, and the existing publicly disclosed electrical connection technology will not be elaborated here.

Claims

1. A new telescopic loader, characterized in that: The invention comprises a base (1), wherein a telescopic drive device (2) is arranged at the upper end of the base (1), a pushing frame (3) is arranged inside the telescopic drive device (2), a cargo conveying device (4) is arranged at the lower end of the pushing frame (3) and outside the base (1), a support shaft (14) is fixed to the lower end of the pushing frame (3) away from the telescopic drive device (2), an outer door frame (15) is rotatably connected to the outer side of the support shaft (14), a third shaft seat (16) is fixed to the upper end of the outer door frame (15) close to the end of the pushing frame (3), a second oil cylinder group (17) is fixed to the upper end of the pushing frame (3) away from the telescopic drive device (2), and the telescopic end of the second oil cylinder group (17) is located outside the third shaft seat (16) and is rotatably connected to the third shaft seat (16); The inner side of the outer door frame (15) is slidably connected to the inner door frame (18), the outer side of the outer door frame (15) is fixed with a third oil cylinder group (19), the telescopic end of the third oil cylinder group (19) is fixed to the inner door frame (18), the inner side of the inner door frame (18) away from the pushing frame body (3) is slidably connected to a load-bearing bracket (23), the end of the load-bearing bracket (23) away from the pushing frame body (3) is slidably connected to a loading plate (24), and a plurality of cargo fork teeth (26) are fixed to the outer side of each loading plate (24).

2. The new telescopic loader according to claim 1, characterized in that: A first driving cylinder (20) is fixed at the center of the inner side of the inner door frame (18), a supporting pulley block (21) is fixed to the telescopic end of the first driving cylinder (20), a steel rope (22) is wound around the outer side of the supporting pulley block (21), one end of the steel rope (22) close to the pushing frame (3) is fixed to the bottom end of the inner side of the inner door frame (18), and one end of the steel rope (22) away from the pushing frame (3) is fixed to the upper end of the bearing bracket (23).

3. The new telescopic handler according to claim 1, characterized in that: A second driving cylinder (25) is fixed to the upper end of the load-bearing hanger (23), and a telescopic end of the second driving cylinder (25) is fixed to the carrying hanger plate (24).

4. The new telescopic loader according to claim 1, characterized in that: A first laser radar (5) is installed at the upper end of the pushing frame (3) away from the telescopic driving device (2), second laser radars (6) are installed on both sides of the pushing frame (3) away from the telescopic driving device (2), and two third laser radars (7) are installed at the bottom end of the pushing frame (3) away from the telescopic driving device (2).

5. The new telescopic handler according to claim 1, characterized in that: A support plate (8) is fixed to the inner side of one end of the pushing frame (3) away from the telescopic driving device (2), and an auxiliary lifting mechanism is arranged at the lower end of the support plate (8).

6. The new telescopic handler according to claim 5, characterized in that: The auxiliary lifting mechanism comprises a first cylinder group (9), the first cylinder group (9) is fixed to the bottom end of the support plate (8), the telescopic end of the first cylinder group (9) is movably connected to a connecting rod frame (10), a first axle seat (11) is also fixed to the inner side of the pushing frame (3) and located at the lower end of the support plate (8), one end of the connecting rod frame (10) is located outside the first axle seat (11) and is rotatably connected to the first axle seat (11), and the other end of the connecting rod frame (10) is rotatably connected to a second axle seat (12), and a plurality of rollers (13) are provided at the bottom end of the second axle seat (12).

7. The new telescopic handler according to claim 1, characterized in that: The length of the inner door frame (18) is greater than the length of the outer door frame (15), the lowering height of the inner door frame (18) is lower than the height of the outer door frame (15) and the pushing frame (3), and a guide wheel group is symmetrically installed on the inner side of the outer door frame (15), and the inner door frame (18) is slidably matched with the guide wheel group.

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