Hydraulic lift truck

Abstract

The hydraulic lift truck comprises a mechanical arm, a bearing seat, a truck body frame, a base plate and a lifting table, the base plate is arranged at the top of the truck body frame, the bearing seat is arranged at the top of the base plate through a guide clamping plate, the top of the bearing seat is rotationally connected with a supporting seat through a rotating shaft, and a buffering pressure-resistant plate is arranged at the bottom of the supporting seat. The bracket is hinged to the end of the mechanical arm through a lug frame, the end of the mechanical arm is connected with the first lifting rod in a hinged mode, the end of the first lifting rod is hinged to the second lifting rod, and the end of the second lifting rod is hinged to one side of the lifting table. The vehicle body frame is arranged, the cab is arranged at the end of the vehicle body frame, movement control is more flexible through a motor vehicle, the base plate is arranged at the top of the vehicle body frame, the guide clamping plate is arranged at the top of the base plate, the guide groove is formed in the middle of the inner side of the base plate, and the screw rod is arranged in the middle of the guide groove. And the screw rod can be in transmission control with the lead screw of the guide clamping plate.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic lifting vehicles, specifically a hydraulic lifting vehicle. Background Technology

[0002] Hydraulic lifting trucks are used to control the lifting of operators. They consist of a lifting platform mounted on a vehicle, primarily used for high-altitude operations and maintenance. The main material is high-quality manganese steel, using laser welding and a single-sided welding with double-sided forming process. The lifting mechanism is driven by the vehicle's own power.

[0003] For example, the authorized patent with publication number CN215402943U (highly protective hydraulic lifting vehicle): The upper inner side of the main body of the hydraulic lifting vehicle is provided with two first telescopic metal support rods on both sides, and there are several first telescopic metal support rods. The upper and lower ends of the several first telescopic metal support rods are provided with rubber strips, and there are four rubber strips. One end of the main body of the hydraulic lifting vehicle is provided with a hydraulic mechanism. A fixed rod is provided above the front end of the hydraulic mechanism, and a hydraulic telescopic rod is provided above the fixed rod. The front end of the hydraulic telescopic rod is provided with a mounting base point. A reinforcing mechanism is provided inside the mounting base point. The front end of the reinforcing mechanism is provided with a first connecting rod, and the first connecting rod is fixedly connected to the front end of the reinforcing mechanism.

[0004] The existing lifting vehicle technology has insufficient adjustment and cannot perform lateral fine-tuning, is not flexible in use, has a small range of height adjustment, cannot perform multi-directional and multi-angle adjustment, lacks versatility, has a small range of movement control, and has low transfer efficiency. Utility Model Content

[0005] The purpose of this utility model is to provide a hydraulic lifting vehicle to solve the problems mentioned in the background art, such as insufficient adjustment, inability to make lateral fine adjustments, lack of flexibility in use, small height adjustment range, inability to make multi-directional and multi-angle adjustments, insufficient versatility, limited range of movement control, and low transfer efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic lifting vehicle, comprising a robotic arm, a bearing seat, a vehicle frame, a pad, and a lifting platform. The top of the vehicle frame is provided with a pad, and the top of the pad is provided with a bearing seat via a guide plate. The top of the bearing seat is rotatably connected to a support via a rotating shaft, and the bottom of the support is provided with a buffer and pressure-resistant plate. The support is hinged to the end of the robotic arm via an ear bracket. The end of the robotic arm is hinged to a first lifting rod, the end of the first lifting rod is hinged to a second lifting rod, and the end of the second lifting rod is hinged to one side of the lifting platform.

[0007] In a further embodiment, a driver's cab is provided at the end of the vehicle frame, and wheels are provided on both sides of the bottom of the vehicle frame. The pad is fixed to the vehicle frame by bolts.

[0008] In a further embodiment, the pad has a guide groove in the middle, a screw is provided in the middle of the guide groove, and a guide ear is provided on the inner side of the guide plate, and the guide ear is connected to the screw thread drive.

[0009] In a further embodiment, hydraulic rods are provided on the inner side of the hinge joints between the robotic arm and the support, and between the robotic arm and the first lifting rod and the second lifting rod and the lifting platform.

[0010] In a further embodiment, the bottom of the bearing housing is fixedly connected to the guide plate by bolts, the rotating shaft is rotatably connected to the central shaft hole of the bearing housing, and the top of the rotating shaft is fixedly connected to the support.

[0011] In a further embodiment, the pad is provided with mounting holes at the corners, and the pad is fixedly connected to the vehicle frame through the mounting holes. A motor is provided at one end of the pad, and the output shaft of the motor is connected to the end of the screw.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model is equipped with a vehicle frame, and a driver's cab is located at the end of the vehicle frame, which makes movement control via a motor vehicle more flexible. A pad is provided on the top of the vehicle frame, and a guide plate is provided on the top of the pad. A guide groove is provided in the middle of the inner side of the pad, and a screw is provided in the middle of the guide groove. The screw can be controlled by the lead screw of the guide plate. The guide plate can drive the robotic arm to make fine adjustments to its position, which is more precise and can effectively improve the lifting range.

[0014] 2. This utility model is equipped with a robotic arm, and a first lifting rod is hinged to the end of the robotic arm, a second lifting rod is hinged to the end of the first lifting rod, and a lifting platform is hinged to the end of the second lifting rod. This design allows for multi-angle control, and the support and bearing seat are rotatably connected by a rotating shaft, which allows the robotic arm to be rotated and multi-directionally controlled, greatly improving flexibility. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of a hydraulic lifting vehicle according to the present invention;

[0016] Figure 2 This is a top view of the pad of this utility model;

[0017] Figure 3 This is a front view of the support of this utility model;

[0018] Figure 4This is a top view of the guide plate of this utility model.

[0019] In the diagram: 1. Cab; 2. Robotic arm; 3. Rotary shaft; 4. Bearing seat; 5. Guide plate; 6. Vehicle frame; 7. Pad plate; 8. First lifting rod; 9. Second lifting rod; 10. Lifting platform; 11. Ear bracket; 12. Support; 13. Buffer and pressure-resistant plate; 14. Guide groove; 15. Screw. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Please see Figure 1-4 This utility model provides an embodiment of a hydraulic lifting vehicle, including a robotic arm 2, a bearing seat 4, a vehicle frame 6, a pad 7, and a lifting platform 10. The top of the vehicle frame 6 is provided with the pad 7, and the top of the pad 7 is provided with the bearing seat 4 via a guide plate 5. The top of the bearing seat 4 is rotatably connected to a support 12 via a rotating shaft 3. The bottom of the support 12 is provided with a buffer and pressure-resistant plate 13. The support 12 is hinged to the end of the robotic arm 2 via an ear bracket 11. The end of the robotic arm 2 is connected to a first lifting rod 8 via a hinge. The end of the lifting rod 8 is hinged to the second lifting rod 9, and the end of the second lifting rod 9 is hinged to one side of the lifting platform 10. The guide plate 5 moves laterally on the pad 7, which can drive the lifting mechanism to move laterally. The rotation shaft 3 can control the direction of the lifting mechanism. The buffer anti-pressure plate 13 can buffer and protect the support 12. The angle of the lifting mechanism can be adjusted by the hinge between the ear bracket 11 and the mechanical arm 2. The first lifting rod 8 and the second lifting rod 9 are used to adjust the height and angle of the lifting platform 10.

[0022] The end of the vehicle frame 6 is provided with a cab 1, and the bottom sides of the vehicle frame 6 are provided with wheels. The pad 7 is fixed to the vehicle frame 6 with bolts. The vehicle frame 6 can be moved and controlled through the cab 1. The corner of the pad 7 is provided with a mounting hole, and the pad 7 is fixedly connected to the vehicle frame 6 through the mounting hole. One end of the pad 7 is provided with a motor, and the output shaft of the motor is connected to the end of the screw 15. The vehicle frame 6 is used to control the movement and steering of the lifting mechanism, and the motor drives the screw 15 to rotate. The middle of the pad 7 is provided with a guide groove 14, and the middle of the guide groove 14 is provided with a screw 15. The inner side of the guide plate 5 is provided with a guide ear, and the guide ear is connected to the screw 15 by a screw drive. The screw 15 can be controlled by the screw drive of the guide ear, so that it can drive the guide plate 5 to move laterally.

[0023] Hydraulic rods are provided on the inner side of the hinge joints between the robotic arm 2 and the support 12, the robotic arm 2 and the first lifting rod 8, the second lifting rod 9 and the lifting platform 10. The hydraulic rods are used to adjust the angle of the lifting mechanism. The bottom of the bearing seat 4 is fixedly connected to the guide plate 5 by bolts. The rotating shaft 3 is rotatably connected to the shaft hole in the middle of the bearing seat 4. The top of the rotating shaft 3 is fixedly connected to the support 12. The rotation shaft 3 can be used to control the direction of the lifting mechanism.

[0024] Working principle: In use, the vehicle frame 6 is moved and controlled by the cab 1. The vehicle frame 6 carries the lifting mechanism and moves. The motor drives the screw 15 to rotate, so that the screw 15 is connected to the guide lug screw inside the guide plate 5. The guide plate 5 drives the bearing seat 4 to move laterally. The rotating shaft 3 drives the support 12 to rotate. The support 12 drives the robotic arm 2 to turn, thereby driving the lifting platform 10 to turn. The lifting platform 10 can be adjusted in height and angle by the robotic arm 2, the first lifting rod 8 and the second lifting rod 9. The lug 11 can be hinged to the end of the robotic arm 2.

[0025] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A hydraulic lifting vehicle, comprising a robotic arm (2), a bearing seat (4), a vehicle frame (6), a pad (7), and a lifting platform (10), characterized in that: The top of the vehicle frame (6) is provided with a pad (7), and the top of the pad (7) is provided with a bearing seat (4) through a guide plate (5). The top of the bearing seat (4) is rotatably connected to the support (12) through a rotating shaft (3), and the bottom of the support (12) is provided with a buffer pressure plate (13). The support (12) is hinged to the end of the robotic arm (2) through an ear bracket (11). The end of the robotic arm (2) is connected to the first lifting rod (8) by a hinge. The end of the first lifting rod (8) is hinged to the second lifting rod (9), and the end of the second lifting rod (9) is hinged to one side of the lifting platform (10).

2. The hydraulic lifting vehicle according to claim 1, characterized in that: The end of the vehicle frame (6) is provided with a driver's cab (1), and the bottom sides of the vehicle frame (6) are provided with wheels. The pad (7) is fixed to the vehicle frame (6) by bolts.

3. A hydraulic lifting vehicle according to claim 1, characterized in that: The pad (7) has a guide groove (14) in the middle, and a screw (15) is provided in the middle of the guide groove (14). The guide plate (5) has a guide ear on the inner side, and the guide ear is connected to the screw (15) by a screw drive.

4. A hydraulic lifting vehicle according to claim 1, characterized in that: Hydraulic rods are provided on the inner side of the hinge joints between the robotic arm (2) and the support (12), the robotic arm (2) and the first lifting rod (8), and the second lifting rod (9) and the lifting platform (10).

5. A hydraulic lifting vehicle according to claim 1, characterized in that: The bottom of the bearing seat (4) is fixedly connected to the guide plate (5) by bolts, the rotating shaft (3) is rotatably connected to the shaft hole in the middle of the bearing seat (4), and the top of the rotating shaft (3) is fixedly connected to the support (12).

6. A hydraulic lifting vehicle according to claim 1, characterized in that: The pad (7) has a mounting hole at the corner, and the pad (7) is fixedly connected to the vehicle frame (6) through the mounting hole. The pad (7) has a motor at one end inside, and the output shaft of the motor is connected to the end of the screw (15).

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