Automatic height lifting device of bulk cargo loader

Abstract

The utility model relates to the technical field of bulk cargo loading machines, and discloses an automatic height lifting device of a bulk cargo loading machine, which comprises a base plate and a loading platform, the right end of the bottom of the loading platform is rotatably mounted above the right side of the top of the base plate, and the outer wall of the right side of the top of the base plate is fixedly connected with mounting plates which are symmetrically arranged. And rotating shafts are rotationally mounted on the opposite sides of the two mounting plates correspondingly, and the opposite ends of the rotating shafts are fixedly connected to the outer walls of the two sides of the right end of the bottom of the loading platform correspondingly. Through the arrangement of the first supporting frame, the first rotating rod, the second supporting frame, the mounting groove, the guide plate and the second rotating rod, when the loading platform ascends and descends, the inclination angle of the stable supporting plate can be changed accordingly, and the stable supporting effect on the loading platform can be achieved; the whole loading platform is supported by cooperation of the jacking rods and the stable supporting plates, the supporting stability of the loading platform is well improved, and the loading platform is practical and suitable for wide application and popularization.

Description

Technical Field

[0001] The utility model belongs to the technical field of bulk cargo loaders, and in particular relates to an automatic height-lifting device for a bulk cargo loader. Background Art

[0002] Bulk cargo loaders are aircraft ground service equipment mainly used for loading and unloading bulk items such as luggage, parcels and mail. The equipment consists of a chassis assembly, an engine assembly, a belt frame assembly, a hydraulic system and an electrical system.

[0003] When loading and unloading cargo, current bulk cargo loaders usually use a hydraulic system to raise and lower the loading platform. The lifting of the loading platform is achieved by installing a lifting rod and a hydraulic cylinder at the bottom of the loading platform. However, the entire weight of the loading platform is borne by the lifting rod, which may cause the lifting rod to be easily damaged in structure and reduce the supporting stability, resulting in greater risks during loading and unloading operations. In view of this, the utility model is proposed to provide an automatic height lifting device for a bulk cargo loader to solve the above problems. Utility Model Content

[0004] In order to solve the technical problem that the weight of the above-mentioned loading platform is entirely borne by the jacking rod, which may cause the jacking rod to be easily damaged and the support stability to be reduced, resulting in greater risks during loading and unloading operations, the basic concept of the technical solution adopted by the utility model is:

[0005] The lifting mechanism comprises a lifting mechanism, a lifting mechanism, a lifting mechanism on the lifting platform and a lifting mechanism on the lifting platform, wherein the lifting mechanism comprises a lifting mechanism, a lifting mechanism on the lifting platform being fixedly mounted on the lifting platform and a lower portion of the lifting mechanism on the lifting platform.

[0006] As a preferred embodiment of the present invention, symmetrically arranged guardrails are fixedly installed on both sides of the top of the loading platform.

[0007] As a preferred embodiment of the present invention, a movable groove is provided on the outer wall of the top of the base plate, and a guide seat is slidably connected to the inner wall of the movable groove.

[0008] As a preferred embodiment of the present invention, a support plate is fixedly connected to the outer wall of the top of the guide seat, and symmetrically arranged first mounting brackets are fixedly connected to both sides of the top of the support plate, and both first mounting brackets are hinged with lifting rods.

[0009] As a preferred embodiment of the present invention, the left outer wall of the bottom of the loading platform is fixedly connected with a symmetrically arranged second mounting bracket, and the top ends of the two lifting rods are respectively hinged to the two second mounting brackets.

[0010] As a preferred embodiment of the present invention, a fixing plate is fixed to the right outer wall of the top of the base plate, and a hydraulic cylinder is fixedly installed on one side of the fixing plate.

[0011] As a preferred embodiment of the present invention, a fixing seat is fixedly connected to the outer wall of the middle portion of the top of the support plate, and the piston rod of the hydraulic cylinder is connected to the outer wall on one side of the fixing seat.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The utility model provides the first support frame, the first rotating rod, the second support frame, the mounting groove, the guide plate and the second rotating rod, so that when the loading platform is raised or lowered, the inclination angle of the stabilizing support plate will change accordingly, which can provide a stable support for the loading platform, so that the entire loading platform is supported by the jacking rod and the stabilizing support plate, and the stability of the loading platform support is greatly improved.

[0014] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In the attached figure:

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a side view of the structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the bottom structure of the loading platform of the utility model;

[0019] Figure 4 This is a schematic diagram of the loading platform structure when viewed from above.

[0020] In the figure: 1. Base plate; 2. Loading platform; 3. Guardrail; 4. Movable groove; 5. Guide seat; 6. Support plate; 7. Fixed seat; 8. First mounting frame; 9. Lifting rod; 10. Second mounting frame; 11. Fixed plate; 12. Hydraulic cylinder; 13. Mounting plate; 14. First supporting frame; 15. First rotating rod; 16. Stabilizing support plate; 17. Second supporting frame; 18. Mounting groove; 19. Guide plate; 20. Second rotating rod. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0022] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can, for example, be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0024] like Figures 1 to 4 shown

[0025] A device for automatically lifting the height of a bulk cargo loader includes a base plate 1 and a loading platform 2. The right end of the bottom of the loading platform 2 is rotatably mounted above the right side of the top of the base plate 1. Symmetrically arranged guardrails 3 are fixedly mounted on both sides of the top of the loading platform 2. The guardrails 3 can prevent cargo from falling from the sides of the loading platform 2. A symmetrically arranged mounting plate 13 is fixedly connected to the right outer wall of the top of the base plate 1. A rotating shaft is rotatably mounted on the opposite side of the two mounting plates 13, and the opposite ends of the rotating shaft are respectively fixedly connected to the outer walls on both sides of the right end of the bottom of the loading platform 2. A first support frame 14 of a door-shaped structure is fixedly mounted on the left outer wall of the top of the base plate 1. A first support frame 14 is rotatably mounted on the first support frame 14. A rotating rod 15, a stabilizing support plate 16 is fixedly connected to the first rotating rod 15, a mounting groove 18 is provided at the bottom of the loading platform 2, a guide plate 19 is slidably connected to the inner wall of the mounting groove 18, and a second support frame 17 of a door-shaped structure is fixedly connected to the outer wall of the bottom of the guide plate 19, and a second rotating rod 20 is rotatably installed at the bottom of the second support frame 17, and the top of the stabilizing support plate 16 is fixedly connected to the second rotating rod 20. When the loading platform 2 is lifted or lowered, the inclination angle of the stabilizing support plate 16 will change accordingly, which can provide a stable support for the loading platform 2, so that the entire loading platform 2 is supported by the lifting rod 9 and the stabilizing support plate 16, and the stability of the support for the loading platform 2 is greatly improved.

[0026] In a specific embodiment, a movable groove 4 is provided on the top outer wall of the base plate 1, and a guide seat 5 is slidably connected to the inner wall of the movable groove 4. The top outer wall of the guide seat 5 is fixedly connected to a support plate 6, and both sides of the top of the support plate 6 are fixedly connected to symmetrically arranged first mounting frames 8. The two first mounting frames 8 are hinged with a lifting rod 9, and the left outer wall of the bottom of the loading platform 2 is fixedly connected to a symmetrically arranged second mounting frame 10. The tops of the two lifting rods 9 are respectively hinged on the two second mounting frames 10, and a fixed plate 11 is fixed to the right outer wall of the top of the base plate 1. A hydraulic cylinder 12 is fixedly installed on one side of the fixed plate 11, and a fixed seat 7 is fixedly connected to the middle outer wall of the top of the support plate 6. The piston rod of the hydraulic cylinder 12 is connected to the outer wall on one side of the fixed seat 7. When it is necessary to lift the loading platform 2, the hydraulic cylinder 12 is started to work, and the hydraulic cylinder 12 pushes the fixed The seat 7 moves laterally, and the fixed seat 7 cooperates with the movable groove 4 to drive the support plate 6 and the guide seat 5 to move laterally. The support plate 6 drives the two first mounting frames 8 to move laterally, and cooperates with the two second mounting frames 10, so that the inclination angle of the two jacking rods 9 changes, and cooperates with the two mounting plates 13, and the right end of the bottom of the loading platform 2 is rotatably installed on the two mounting plates 13, so that the change in the inclination angle of the two jacking rods 9 can lift the left end position of the loading platform 2. When the left end of the loading platform 2 drops to a state parallel to the base plate 1, it is convenient to load bulk goods on the loading platform 2. When the left end of the loading platform 2 rises, the loading platform 2 is in a tilted state. At this time, the bulk goods on the loading platform 2 roll down from the loading platform 2, and the unloading of bulk goods can be realized.

[0027] The implementation principle of the automatic height raising and lowering device of a bulk cargo loader of this embodiment is as follows:

[0028] When it is necessary to lift the loading platform 2, the hydraulic cylinder 12 is started to work, and the hydraulic cylinder 12 pushes the fixed seat 7 to move horizontally. The fixed seat 7 cooperates with the movable groove 4 to drive the support plate 6 and the guide seat 5 to move horizontally. The support plate 6 drives the two first mounting frames 8 to move horizontally, and cooperates with the two second mounting frames 10 to change the inclination angle of the two jacking rods 9. The two mounting plates 13 are provided, and the right end of the bottom of the loading platform 2 is rotatably installed on the two mounting plates 13, so that the change of the inclination angle of the two jacking rods 9 can lift the left end position of the loading platform 2. When the left end of the loading platform 2 drops to a state parallel to the base plate 1, it is convenient for bulk cargo to be loaded on the loading platform 2. When the left end of the platform 2 rises, the loading platform 2 is in an inclined state. At this time, the bulk goods on the loading platform 2 roll down from the loading platform 2, and the unloading of the bulk goods can be realized. The guardrail 3 is provided to prevent the goods from falling from the side of the loading platform 2. Then, the first support frame 14, the first rotating rod 15, the second support frame 17, the mounting groove 18, the guide plate 19 and the second rotating rod 20 are provided, so that when the loading platform 2 is raised or lowered, the inclination angle of the stabilizing support plate 16 will change accordingly, which can play a role in stabilizing the loading platform 2, so that the entire loading platform 2 is supported by the jacking rod 9 and the stabilizing support plate 16, and the stability of the support of the loading platform 2 is greatly improved.

Claims

1. A device for automatically raising and lowering the height of a bulk cargo loader, comprising a base plate (1) and a loading platform (2), characterized in that: The right end of the bottom of the loading platform (2) is rotatably mounted above the right side of the top of the base plate (1); the right outer wall of the top of the base plate (1) is fixedly connected with a symmetrically arranged mounting plate (13); the two mounting plates (13) are rotatably mounted with a rotating shaft on opposite sides, and the opposite ends of the rotating shaft are respectively fixedly connected to the outer walls on both sides of the right end of the bottom of the loading platform (2); a first support frame (14) of a door-shaped structure is fixedly mounted on the left outer wall of the top of the base plate (1); a first rotating rod (15) is rotatably mounted on the first support frame (14); a stable support plate (16) is fixedly connected to the first rotating rod (15); a mounting groove (18) is provided at the bottom of the loading platform (2); a guide plate (19) is slidably connected to the inner wall of the mounting groove (18); a second support frame (17) of a door-shaped structure is fixedly connected to the outer wall of the bottom of the guide plate (19); a second rotating rod (20) is rotatably mounted on the bottom of the second support frame (17); and the top of the stable support plate (16) is fixedly connected to the second rotating rod (20).

2. The automatic height raising and lowering device of a bulk cargo loader according to claim 1, characterized in that: Symmetrically arranged guardrails (3) are fixedly installed on both sides of the top of the loading platform (2).

3. The automatic height raising and lowering device of a bulk cargo loader according to claim 1, characterized in that: A movable groove (4) is provided on the outer wall of the top of the base plate (1), and a guide seat (5) is slidably connected to the inner wall of the movable groove (4).

4. The automatic height raising and lowering device of a bulk cargo loader according to claim 3, characterized in that: The top outer wall of the guide seat (5) is fixedly connected to a support plate (6), and the two sides of the top of the support plate (6) are fixedly connected to symmetrically arranged first mounting frames (8), and both of the first mounting frames (8) are hinged with lifting rods (9).

5. The automatic height raising and lowering device of a bulk cargo loader according to claim 4, characterized in that: A symmetrically arranged second mounting frame (10) is fixedly connected to the left outer wall of the bottom of the loading platform (2), and the top ends of the two lifting rods (9) are respectively hinged on the two second mounting frames (10).

6. The automatic height raising and lowering device of a bulk cargo loader according to claim 5, characterized in that: A fixing plate (11) is fixed to the right outer wall of the top of the base plate (1), and a hydraulic cylinder (12) is fixedly mounted on one side of the fixing plate (11).

7. The automatic height raising and lowering device of a bulk cargo loader according to claim 6, characterized in that: The middle outer wall of the top of the support plate (6) is fixedly connected to a fixing seat (7), and the piston rod of the hydraulic cylinder (12) is connected to the outer wall of one side of the fixing seat (7).

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