Lifting type loading and unloading platform

Abstract

The utility model discloses a lifting type loading and unloading platform which comprises a base, a supporting table and a lifting mechanism, the supporting table is arranged above the base, and a bearing plate is hinged to one end of the supporting table; the lifting mechanism is arranged between the base and the supporting table; the upper end of the second supporting leg is connected with a second telescopic piece used for pushing the supporting table to rotate around the upper end of the first supporting leg. The second telescopic piece can be used for pushing the supporting table to rotate around the upper end of the first supporting leg to be in butt joint with the tail of the truck and can also be used for pushing the supporting table to rotate around the upper end of the first supporting leg to be lifted up for maintenance and repair operation, maintenance is facilitated, and meanwhile the working efficiency is improved. The unloading platform lifting device is high in adaptability, simple in structure, low in manufacturing cost, easy to operate, safe and stable, and unloading platforms of different heights can cope with the tails of trucks of different heights.

Description

Technical Field

[0001] The utility model belongs to the technical field of transfer, and more specifically, relates to a lifting type loading and unloading platform. Background Art

[0002] At present, with the development of logistics, the transfer of goods in and out of cold storage has become a daily necessity. The unloading platform is also called the unloading dock or cargo platform, cargo platform height adjustment plate, etc. The loading and unloading platform is the starting point and end point of the material flow process in the facility. The platform is a connecting bridge design used to connect the cargo platform and the gap between the rear of the truck during loading and unloading operations. The rear of various types of trucks is higher or lower than the cargo platform;

[0003] The above-mentioned existing technical solutions have the following defects: the upper support plate and the bottom of the existing unloading platform are designed to be connected. Since the unloading platform is generally installed in a foundation pit, the inside of the unloading platform cannot be reached from all sides, which is not conducive to maintenance of the inside of the unloading platform. In addition, most unloading platforms have complex structures and only have the function of supporting a slope around a section. Utility Model Content

[0004] In order to solve the defects existing in the above-mentioned technology, the utility model provides a lifting type loading and unloading platform, aiming to improve the existing problems.

[0005] To achieve the above purpose, the technical solution of the utility model is as follows:

[0006] A lifting type loading and unloading platform comprises a base, a support platform and a lifting mechanism, wherein the support platform is arranged above the base, and a receiving plate is hinged at one end of the support platform; the lifting mechanism is arranged between the base and the support platform;

[0007] The lifting mechanism comprises a first leg, a second leg and a first telescopic member, wherein the first leg and the second leg are arranged crosswise, and the first leg and the second leg are rotatably connected at the intersection point; the first telescopic member is used to push the lower end of the first leg and the lower end of the first telescopic member to move closer to or away from each other;

[0008] The upper end of the first leg is hinged to one end of the support platform, the lower end of the first leg is slidably connected to the base, the upper end of the second leg is slidably connected to the lower surface of the support platform, and the lower end of the second leg is hinged to one end of the base;

[0009] The upper end of the second leg is connected to a second telescopic member for pushing the support platform to rotate around the upper end of the first leg.

[0010] In one embodiment of the utility model, two first legs are arranged in parallel, a first crossbeam is fixedly connected between the two first legs, and the first crossbeam is arranged at the lower end of the first leg;

[0011] Two second legs are arranged in parallel, a second crossbeam is fixedly connected between the two second legs, and the second crossbeam is arranged at the lower end of the second leg;

[0012] One end of the first telescopic member is connected to the first crossbeam, and the other end of the first telescopic member is connected to the second crossbeam.

[0013] In an embodiment of the utility model, a slide rail is fixed to the base, a slider is installed at the lower end of the first leg, and the slider is slidably engaged in the slide rail.

[0014] In an embodiment of the utility model, a pulley is rotatably mounted on the upper end of the second leg, the pulley is in rolling contact with the lower surface of the support platform, and the upper end of the first leg and the receiving plate are respectively arranged at both ends of the support platform.

[0015] In an embodiment of the utility model, a third beam is fixedly connected between the two second legs, the third beam is arranged at the upper end of the second leg, a mounting seat is rotatably connected to the surface of the third beam, and the second telescopic member is fixedly connected to the mounting seat.

[0016] In one embodiment of the utility model, a bearing seat is fixed to the upper end of the mounting seat, the third beam rotates through the bearing seat via a bearing, and a counterweight is fixed to the lower end of the mounting seat for driving the second telescopic member to always maintain a vertical state.

[0017] In one embodiment of the utility model, a top plate is fixed to the movable end of the upper end of the second telescopic member, a limiting plate is fixed to the lower surface of the support platform, the top plate and the limiting plate are arranged relative to each other, a first tooth groove is provided on the upper surface of the top plate, a second tooth groove is provided on the lower surface of the limiting plate, and the first tooth groove is adapted to the second tooth groove.

[0018] In one embodiment of the utility model, the support platform includes a frame and a support plate, the upper end of the first leg is rotatably connected to the end of the frame via a rotating shaft, the support plate covers the upper surface of the frame, and the lower surface of the support plate is fixed with reinforcing ribs connected to the frame.

[0019] Compared with the prior art, the utility model has the following advantages:

[0020] (1) The lifting loading and unloading platform provided by the utility model is arranged between the base and the support platform through a lifting mechanism, which is used to support the support platform and lift the support platform to lift and lower it; because the upper end of the second leg is slidably connected to the lower surface of the support platform, the support platform is pressed on the upper end of the second leg under the action of gravity and is not connected to the upper end of the second leg, so that the support platform can be lifted up and rotated around the upper end of the first leg during maintenance;

[0021] The second telescopic member can be used to push the support platform to rotate around the upper end of the first leg for docking with the rear end of the truck, and can also be used to push the support platform to rotate around the upper end of the first leg to be lifted up for maintenance and repair operations, which facilitates maintenance and improves work efficiency;

[0022] (2) In the lifting loading and unloading platform provided by the utility model, by controlling the extension and retraction of the first telescopic member, the lower end of the first leg and the lower end of the second leg are pulled closer to or away from each other, and the first leg and the second leg are rotatably connected at the intersection point;

[0023] When the lower end of the first leg and the lower end of the second leg are pulled closer to each other, the upper end of the first leg and the upper end of the second leg synchronously lift the support platform up;

[0024] When the lower end of the first leg and the lower end of the second leg are pulled away from each other, the upper end of the first leg and the upper end of the second leg move downward synchronously, and drive the supporting platform to descend together; the lifting effect is realized to meet the needs of unloading platforms of different heights to cope with the tail ends of trucks of different heights. It has strong adaptability, simple structure, low cost, easy operation, safety and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the lifting type loading and unloading platform in the embodiment of the utility model;

[0026] Figure 2 This is a three-dimensional structural schematic diagram of the lifting mechanism in the embodiment of the utility model;

[0027] Figure 3 It is a side view structural schematic diagram of an embodiment of the utility model;

[0028] Figure 4 This is a schematic diagram of a three-dimensional structure in which the first leg and the second leg are connected in an embodiment of the utility model;

[0029] Figure 5 It is a three-dimensional structural diagram of the lower surface of the support platform in the embodiment of the utility model.

[0030] In the figure: 100, base; 110, slide rail; 300, support platform; 301, frame; 303, support plate; 310, receiving plate; 330, limit plate; 500, lifting mechanism; 510, first leg; 511, first beam; 512, slider; 520, second leg; 521, second beam; 522, third beam; 523, pulley; 530, first telescopic member; 550, second telescopic member; 551, top plate. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments.

[0032] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0033] In the examples, unless otherwise specified, all the means used are conventional means in the art.

[0034] See also Figure 1-Figure 5 The present application provides a lifting loading and unloading platform, comprising a base 100, a support platform 300 and a lifting mechanism 500, wherein the support platform 300 is arranged above the base 100, and a receiving plate 310 is hingedly connected to one end of the support platform 300; the lifting mechanism 500 is arranged between the base 100 and the support platform 300;

[0035] The lifting mechanism 500 includes a first leg 510, a second leg 520 and a first telescopic member 530. The first leg 510 and the second leg 520 are arranged crosswise, and the first leg 510 and the second leg 520 are rotatably connected at the intersection point; the first telescopic member 530 is used to push the lower end of the first leg 510 and the lower end of the first telescopic member 530 to move closer to or away from each other;

[0036] The upper end of the first leg 510 is hinged to one end of the support platform 300, the lower end of the first leg 510 is slidably connected to the base 100, the upper end of the second leg 520 is slidably connected to the lower surface of the support platform 300, and the lower end of the second leg 520 is hinged to one end of the base 100;

[0037] The upper end of the second leg 520 is connected to a second telescopic member 550 for pushing the support platform 300 to rotate around the upper end of the first leg 510 .

[0038] The first telescopic member 530 and the second telescopic member 550 may be one or both of an electric push rod, a hydraulic cylinder and a pneumatic cylinder;

[0039] A pressure sensor is installed on the lower surface of the support plate 303 , and the base 100 and the lifting mechanism 500 are sunk into the foundation pit during installation.

[0040] The lifting mechanism 500 is arranged between the base 100 and the support platform 300, and is used to support the support platform 300 and lift the support platform 300 to lift and lower it; because the upper end of the second leg 520 is slidably connected to the lower surface of the support platform 300, the support platform 300 is pressed on the upper end of the second leg 520 under the action of gravity, and is not connected to the upper end of the second leg 520, so that the support platform 300 can be lifted up and rotated around the upper end of the first leg 510 during maintenance;

[0041] The second telescopic member 550 can be used to push the support platform 300 to rotate around the upper end of the first leg 510 for docking with the rear of the truck, and can also be used to push the support platform 300 to rotate around the upper end of the first leg 510 to be lifted up for maintenance and repair operations, which facilitates maintenance and improves work efficiency.

[0042] See also Figure 2-Figure 4 In one embodiment of the utility model, two first legs 510 are provided in parallel, a first crossbeam 511 is fixedly connected between the two first legs 510, and the first crossbeam 511 is provided at the lower end of the first leg 510;

[0043] Two second legs 520 are arranged in parallel, and a second crossbeam 521 is fixedly connected between the two second legs 520. The second crossbeam 521 is arranged at the lower end of the second legs 520;

[0044] One end of the first telescopic member 530 is connected to the first crossbeam 511 , and the other end of the first telescopic member 530 is connected to the second crossbeam 521 .

[0045] In an embodiment of the present utility model, a slide rail 110 is fixed to the base 100 , a slider 512 is installed at the lower end of the first leg 510 , and the slider 512 is slidably engaged in the slide rail 110 .

[0046] In one embodiment of the present invention, a pulley 523 is rotatably mounted on the upper end of the second leg 520 , and the pulley 523 is in rolling contact with the lower surface of the support platform 300 . The upper end of the first leg 510 and the receiving plate 310 are respectively arranged at both ends of the support platform 300 .

[0047] In one embodiment of the utility model, a third cross beam 522 is fixedly connected between the two second legs 520, the third cross beam 522 is arranged at the upper end of the second leg 520, the surface of the third cross beam 522 is rotatably connected to a mounting seat, and the second telescopic member 550 is fixedly connected to the mounting seat.

[0048] In one embodiment of the utility model, a bearing seat is fixed to the upper end of the mounting seat, the third beam 522 rotates through the bearing seat through the bearing, and a counterweight is fixed to the lower end of the mounting seat for driving the second telescopic member 550 to always maintain a vertical state.

[0049] In one embodiment of the utility model, a top plate 551 is fixed to the movable end of the upper end of the second telescopic member 550, a limiting plate 330 is fixed to the lower surface of the support platform 300, the top plate 551 and the limiting plate 330 are arranged relative to each other, a first tooth groove is formed on the upper surface of the top plate 551, and a second tooth groove is formed on the lower surface of the limiting plate 330, and the first tooth groove is adapted to the second tooth groove.

[0050] In one embodiment of the utility model, the support platform 300 includes a frame 301 and a support plate 303, the upper end of the first leg 510 is rotatably connected to the end of the frame 301 through a rotating shaft, the support plate 303 covers the upper surface of the frame 301, and the lower surface of the support plate 303 is fixed with reinforcing ribs connected to the frame 301.

[0051] Working principle: By controlling the extension and retraction of the first telescopic member 530, the lower end of the first leg 510 and the lower end of the second leg 520 are pulled closer to or away from each other, and the first leg 510 and the second leg 520 are connected by rotation at the intersection point;

[0052] When the lower end of the first leg 510 and the lower end of the second leg 520 are pulled closer to each other, the upper end of the first leg 510 and the upper end of the second leg 520 simultaneously lift the support platform 300 upward;

[0053] When the lower end of the first leg 510 and the lower end of the second leg 520 are pulled away from each other, the upper end of the first leg 510 and the upper end of the second leg 520 move downward synchronously, and drive the support platform 300 to descend together; the lifting effect is realized to meet the needs of unloading platforms of different heights to cope with the rear ends of trucks of different heights, with strong adaptability, simple structure, low cost, easy operation, safety and stability.

[0054] The above-mentioned embodiments only express several implementation methods of the utility model. The descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent.

[0055] It should be pointed out that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model, and these are all within the scope of protection of the utility model. Therefore, the scope of protection of the utility model patent shall be based on the attached claims.

Claims

1. A lifting loading and unloading platform, characterized in that: include Base (100); A support platform (300), the support platform (300) being arranged above the base (100), and a receiving plate (310) being hingedly connected to one end of the support platform (300); A lifting mechanism (500), wherein the lifting mechanism (500) is arranged between the base (100) and the support platform (300); The lifting mechanism (500) comprises a first leg (510), a second leg (520) and a first telescopic member (530); the first leg (510) and the second leg (520) are arranged crosswise, and the first leg (510) and the second leg (520) are rotatably connected at the intersection; the first telescopic member (530) is used to push the lower end of the first leg (510) and the lower end of the first telescopic member (530) to move closer to or away from each other; The upper end of the first leg (510) is hinged to one end of the support platform (300), the lower end of the first leg (510) is slidably connected to the base (100), the upper end of the second leg (520) is slidably connected to the lower surface of the support platform (300), and the lower end of the second leg (520) is hinged to one end of the base (100); The upper end of the second leg (520) is connected to a second telescopic member (550) for pushing the support platform (300) to rotate around the upper end of the first leg (510).

2. The lifting loading and unloading platform according to claim 1, characterized in that: Two first legs (510) are arranged in parallel, a first crossbeam (511) is fixedly connected between the two first legs (510), and the first crossbeam (511) is arranged at the lower end of the first leg (510); Two second legs (520) are arranged in parallel, a second crossbeam (521) is fixedly connected between the two second legs (520), and the second crossbeam (521) is arranged at the lower end of the second leg (520); One end of the first telescopic member (530) is connected to the first crossbeam (511), and the other end of the first telescopic member (530) is connected to the second crossbeam (521).

3. The lifting loading and unloading platform according to claim 1, characterized in that: The base (100) is fixed with a slide rail (110), and a slider (512) is installed at the lower end of the first leg (510), and the slider (512) is slidably engaged in the slide rail (110).

4. The lifting loading and unloading platform according to claim 1, characterized in that: A pulley (523) is rotatably mounted on the upper end of the second leg (520), and the pulley (523) is in rolling contact with the lower surface of the support platform (300). The upper end of the first leg (510) and the receiving plate (310) are respectively arranged at two ends of the support platform (300).

5. The lifting loading and unloading platform according to claim 1, characterized in that: A third crossbeam (522) is fixedly connected between the two second legs (520), the third crossbeam (522) is arranged at the upper end of the second leg (520), a mounting seat is rotatably connected to the surface of the third crossbeam (522), and the second telescopic member (550) is fixedly connected to the mounting seat.

6. The lifting loading and unloading platform according to claim 5, characterized in that: A bearing seat is fixed at the upper end of the mounting seat, the third crossbeam (522) rotates through the bearing seat via a bearing, and a counterweight is fixed at the lower end of the mounting seat for driving the second telescopic member (550) to always maintain a vertical state.

7. The lifting loading and unloading platform according to claim 1, characterized in that: A top plate (551) is fixed to the movable end of the upper end of the second telescopic member (550), a limiting plate (330) is fixed to the lower surface of the support platform (300), the top plate (551) and the limiting plate (330) are arranged in relative positions, a first tooth groove is formed on the upper surface of the top plate (551), and a second tooth groove is formed on the lower surface of the limiting plate (330), and the first tooth groove is matched with the second tooth groove.

8. The lifting loading and unloading platform according to claim 1, characterized in that: The support platform (300) comprises a frame (301) and a support plate (303); the upper end of the first leg (510) is rotatably connected to the end of the frame (301) via a rotating shaft; the support plate (303) covers the upper surface of the frame (301); and a reinforcing rib connected to the frame (301) is fixed on the lower surface of the support plate (303).

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