High-safety tailboard turnover device

Through the electrical control and hydraulic transmission of the high-safety tailgate flipping device, a parallelogram mechanism is formed by combining the lifting cylinder and the closing cylinder. This solves the problem of tailgate tilting caused by leakage of the closing cylinder, ensuring that the tailgate remains horizontal in the event of leakage and achieving continuous normal operation.

CN223574296UActive Publication Date: 2025-11-21JIANGSU CADRO HYDRAULIC EQUIP
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423201094.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-21
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

In the existing technology, when the closing cylinder supports the tail plate horizontally, if there is a leak in the pipeline or cylinder, it cannot maintain pressure, causing the tail plate to automatically tilt downwards, which affects normal operation.

Method used

A high-safety tailgate tipping device is adopted. Through electrical control and hydraulic transmission, a combination of lifting cylinders and closing cylinders is used to form a parallelogram mechanism to ensure that the tailgate can remain in a horizontal state even in the event of leakage. This includes the coordinated work of the lifting arm assembly, support arm assembly, support base, lifting power assembly and closing cylinder.

Benefits of technology

Even when the closing cylinder leaks, the tailgate can still remain horizontal, preventing it from automatically tilting down and ensuring the continuity of normal operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223574296U_ABST
    Figure CN223574296U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of automobile refitting, in particular to a high-safety tail plate turnover device which comprises a rack, a lifting arm assembly, a supporting arm assembly, a supporting seat, a lifting power assembly, a door closing oil cylinder and a bearing platform. The two ends of the supporting arm assembly are connected with the machine frame and the supporting base respectively, the lifting power assembly is connected with the machine frame and the lifting arm assembly, the bearing platform is further hinged to the supporting base, the door closing oil cylinder is installed on the bearing platform, and a piston rod of the door closing oil cylinder is hinged to the supporting base. And when a pipeline or an oil cylinder of the door closing cylinder leaks, the door closing cylinder cannot maintain pressure and cannot realize complete support, at the moment, a tail plate is automatically lowered, and normal work is influenced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile modification, especially relates to a high safety tail plate turnover device. BACKGROUND

[0002] The conventional tail plate is supported and guaranteed by the door closing cylinder in the horizontal state during use, the lifting oil cylinder is connected to the rack by the penetrating shaft mode, the lifting oil cylinder is connected with the lifting arm, one end of the lifting arm is connected with the rack, and the other end is connected to the loading and unloading platform, the lifting oil cylinder drives the lifting arm to realize the lifting and lowering of the tail plate.

[0003] When the tail plate is supported by the door closing cylinder, if the pipeline or the oil cylinder of the door closing cylinder leaks, the door closing cylinder cannot be pressure maintained, cannot realize complete support, and the tail plate will automatically lower at this time, thereby affecting the normal work. UTILITY MODEL CONTENTS

[0004] The utility model discloses a high safety tail plate turnover device, which aims at solving the technical problems that when the tail plate is supported by the door closing cylinder, if the pipeline or the oil cylinder of the door closing cylinder leaks, the door closing cylinder cannot be pressure maintained, cannot realize complete support, and the tail plate will automatically lower at this time, thereby affecting the normal work.

[0005] To realize the above-mentioned purpose, the utility model discloses a high safety tail plate turnover device, which comprises a rack, a lifting arm assembly, a supporting arm assembly, a supporting seat, a lifting power assembly, a door closing cylinder and a bearing platform, both ends of the lifting arm assembly are connected with the rack and the bearing platform respectively, both ends of the supporting arm assembly are connected with the rack and the supporting seat respectively, the lifting power assembly is connected with the rack and the lifting arm assembly, the bearing platform is further hinged with the supporting seat, the door closing cylinder is installed on the bearing platform, and the piston rod of the door closing cylinder is hinged with the supporting seat.

[0006] The lifting power assembly comprises a mounting seat plate, a power piece and a connecting seat plate, the mounting seat plate and the connecting seat plate are arranged on the rack and the lifting arm respectively, the power piece is installed on the mounting seat plate and is hinged with the mounting plate, and the output end of the power piece is hinged with the connecting seat plate.

[0007] The power piece comprises a connecting lug and a lifting oil cylinder, the connecting lug is hinged with the mounting seat plate, the lifting oil cylinder is connected with the connecting lug, and the output end of the lifting oil cylinder is hinged with the connecting seat plate.

[0008] The lifting arm assembly comprises a lifting seat plate and a lifting arm body, the lifting seat plate is arranged on the rack, and two ends of the lifting arm body are hinged with the lifting seat plate and the carrying platform respectively.

[0009] The support arm assembly comprises a support arm seat plate and a support arm body, the support arm seat plate is connected with the rack, and two ends of the support arm body are hinged with the support arm seat plate and the carrying platform respectively.

[0010] The connecting seat plate has a rounded corner structure.

[0011] The tail plate turning device has the advantages that when in use, the tail plate is controlled by electricity and driven by hydraulic pressure to work, the lifting oil cylinder and the door closing oil cylinder are connected with external high-pressure hoses respectively, the hydraulic system is controlled by electricity when the tail plate works, and when the hydraulic system works, hydraulic oil is transmitted to the lifting oil cylinder through the high-pressure hose, so that the piston rod of the lifting oil cylinder is extended.

[0012] One end of the door closing oil cylinder is fixed on the support seat, and the other end is connected to the back bone of the carrying platform. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0014] Fig. 1 is a structure diagram of the high-safety tail plate turning device of the present application.

[0015] Fig. 2 is an expanded structure diagram of the high-safety tail plate turning device of the present application.

[0016] Fig. 3 is a partial structure diagram of the high-safety tail plate turning device of the present application.

[0017] 101-frame, 102-support seat, 103-door closing oil cylinder, 104-bearing platform, 105-mounting seat plate, 106-connection seat plate, 107-connection ear, 108-lifting oil cylinder, 109-lifting seat plate, 110-lifting arm main body, 111-supporting arm seat plate, 112-supporting arm main body, 113-rounding structure. DETAILED DESCRIPTION

[0018] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0019] Please refer to Figs. 1-3 , wherein Fig. 1 is a structure diagram of the high-safety tail plate turning device of the present application, Fig. 2 is an expanded structure diagram of the high-safety tail plate turning device of the present application, Fig. 3 is a partial structure diagram of the high-safety tail plate turning device of the present application.

[0020] The utility model provides a high security tail plate turnover device, including frame 101, lifting arm subassembly, support arm subassembly, support seat 102, lifting power component, close door oil cylinder 103 and bearing platform 104, the both ends of lifting arm subassembly are connected with frame 101 and bearing platform 104 respectively, the both ends of support arm subassembly are connected with frame 101 and support seat 102 respectively, lifting power component is connected with frame 101 and lifting arm subassembly, bearing platform 104 is still hinged with support seat 102, close door oil cylinder 103 is installed on bearing platform 104, the piston rod of close door oil cylinder 103 is hinged with support seat 102.

[0021] Lifting power component includes mounting seat plate 105, power piece and connecting seat plate 106, mounting seat plate 105 and connecting seat plate 106 are arranged on frame 101 and lifting arm respectively, power piece is installed on mounting seat plate 105, and is hinged with mounting plate, and the output end of power piece is hinged with connecting seat plate 106.

[0022] Power piece includes connecting lug 107 and lifting oil cylinder 108, connecting lug 107 is hinged with mounting seat plate 105, lifting oil cylinder 108 is connected with connecting lug 107, and the output end of lifting oil cylinder 108 is hinged with connecting seat plate 106.

[0023] Lifting arm subassembly includes lifting seat plate 109 and lifting arm main body 110, lifting seat plate 109 is arranged on frame 101, and the both ends of lifting arm main body 110 are hinged with lifting seat plate 109 and bearing platform 104 respectively.

[0024] Support arm subassembly includes support arm seat plate 111 and support arm main body 112, support arm seat plate 111 is connected with frame 101, and the both ends of support arm main body 112 are hinged with support arm seat plate 111 and bearing platform 104 respectively.

[0025] In the specific implementation, in specific use, the tail plate is operated by hydraulic transmission through electrical control, the lifting oil cylinder 108 and the door closing oil cylinder 103 are connected by external high-pressure hoses, the tail plate is operated by electrical control of the hydraulic system, when the hydraulic system is operated, hydraulic oil is transmitted to the lifting oil cylinder 108 through the high-pressure hose, so that the piston rod of the lifting oil cylinder 108 extends. The bottom of the lifting oil cylinder 108 is connected to the mounting seat plate 105 through a pin shaft, the piston rod of the lifting oil cylinder 108 is connected to the connecting seat plate 106 through a pin shaft, the two ends of the lifting arm body 110 are hingedly connected to the lifting seat plate 109 and the load bearing platform 104, respectively, when hydraulic oil enters the lifting oil cylinder 108, the piston rod of the lifting oil cylinder 108 extends, the piston rod of the lifting oil cylinder 108 pushes the lifting arm assembly to rotate upward around the rack 101, the two ends of the support arm body 112 are hingedly connected to the support arm seat plate 111 and the load bearing platform 104, respectively, the load bearing platform 104 is connected to the lifting arm assembly, the support seat 102 hole through a long pin shaft, the load bearing platform 104 is fixedly connected to the support seat 102 due to gravity, the rack 101, the lifting arm assembly, the load bearing platform 104, and the support arm assembly form a parallelogram mechanism, the lifting arm assembly rotates up and down, which can drive the load bearing platform 104 to move horizontally up and down, and the plate surface always remains horizontal;

[0026] One end of the door closing oil cylinder 103 is fixed on the support seat 102, and the other end is connected to the back bone of the load bearing platform 104. When hydraulic oil is transmitted to the door closing oil cylinder 103 through an external high-pressure hose, the piston rod of the door closing oil cylinder 103 extends, thereby pushing the load bearing platform 104 to rotate upward around the hole of the support seat 102, achieving the door closing state of the load bearing platform 104. In this way, the technical problem that when the door closing cylinder leaks, the door closing cylinder cannot maintain pressure and cannot achieve complete support, which causes the tail plate to automatically lower and affects normal work is solved.

[0027] The connecting seat plate 106 has a rounded corner structure 113.

[0028] In the specific implementation, the rounded corner structure 113 can avoid damage caused by contact with other objects during assembly.

[0029] The tail plate turning device with high safety has the advantages that in the specific use, the work of the tail plate is realized through the electrical control and the hydraulic transmission; the external high-pressure hose is connected with the lifting oil cylinder 108 and the door closing oil cylinder 103 respectively; the hydraulic system is controlled by electricity when the tail plate works, and when the hydraulic system works, the hydraulic oil is transmitted to the lifting oil cylinder 108 through the high-pressure hose, so that the piston rod of the lifting oil cylinder 108 is extended. The bottom of the lifting oil cylinder 108 is connected with the mounting seat plate 105 through the pin shaft, the piston rod of the lifting oil cylinder 108 is connected with the connecting seat plate 106 through the pin shaft, the two ends of the lifting arm main body 110 are hinged with the lifting seat plate 109 and the bearing platform 104 respectively, when the hydraulic oil enters the lifting oil cylinder 108, the piston rod of the lifting oil cylinder 108 is extended, the piston rod of the lifting oil cylinder 108 pushes the lifting arm assembly to rotate upwards around the rack 101, the two ends of the support arm main body 112 are hinged with the support arm seat plate 111 and the bearing platform 104 respectively, the bearing platform 104 is connected with the lifting arm assembly, the support seat 102 and the upper hole through the long pin shaft, the bearing platform 104 is fixedly connected with the support seat 102 due to gravity, the rack 101, the lifting arm assembly, the bearing platform 104 and the support arm assembly form a parallelogram mechanism, the lifting arm assembly rotates upwards and downwards, and the bearing platform 104 is driven to move horizontally upwards and downwards, and the plate surface always keeps in a horizontal state.

[0030] One end of the door closing oil cylinder 103 is fixed on the support seat 102, and the other end is connected on the back muscle of the bearing platform 104. When the hydraulic oil is transmitted to the door closing oil cylinder 103 through the external high-pressure hose, the piston rod of the door closing oil cylinder 103 is extended, so that the bearing platform 104 is pushed to rotate upwards around the hole of the support seat 102, and the door closing state of the bearing platform 104 is achieved. In this way, the technical problem that when the pipeline or the oil cylinder of the door closing cylinder leaks, the door closing cylinder cannot keep pressure and cannot realize complete support, and the tail plate automatically lowers and affects the normal work is solved.

[0031] The above-mentioned is only a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and the person skilled in the art can understand that all or part of the processes of the above-mentioned embodiment are realized, and the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1. A high-safety tailgate flipping device, characterized in that, The system includes a frame, a lifting arm assembly, a support arm assembly, a support base, a lifting power assembly, a door closing cylinder, and a carrying platform. The two ends of the lifting arm assembly are connected to the frame and the carrying platform, respectively. The two ends of the support arm assembly are connected to the frame and the support base, respectively. The lifting power assembly is connected to both the frame and the lifting arm assembly. The carrying platform is also hinged to the support base. The door closing cylinder is mounted on the carrying platform, and the piston rod of the door closing cylinder is hinged to the support base.

2. The high-safety tailplate flipping device as described in claim 1, characterized in that, The lifting power assembly includes a mounting plate, a power component, and a connecting plate. The mounting plate and the connecting plate are respectively disposed on the frame and the lifting arm. The power component is mounted on the mounting plate and hinged to the mounting plate. The output end of the power component is hinged to the connecting plate.

3. The high-safety tailplate flipping device as described in claim 2, characterized in that, The power component includes a connecting lug and a lifting cylinder. The connecting lug is hinged to the mounting plate, the lifting cylinder is connected to the connecting lug, and the piston rod of the lifting cylinder is hinged to the connecting plate.

4. The high-safety tailplate flipping device as described in claim 3, characterized in that, The lifting arm assembly includes a lifting seat plate and a lifting arm body. The lifting seat plate is mounted on the frame, and the two ends of the lifting arm body are respectively hinged to the lifting seat plate and the support platform.

5. The high-safety tailplate flipping device as described in claim 4, characterized in that, The support arm assembly includes a support arm base plate and a support arm body. The support arm base plate is connected to the frame, and the two ends of the support arm body are respectively hinged to the support arm base plate and the load-bearing platform.

6. The high-safety tailplate flipping device as described in claim 5, characterized in that, The connecting plate has a rounded corner structure.