Supporting mechanism for cab tipping

Abstract

The utility model discloses a supporting mechanism used for cab rollover, which comprises a bottom fixing frame assembly, a top overturning frame assembly and a supporting short arm rod, one end of the top overturning frame assembly is rotatably installed on the bottom fixing frame assembly, the bottom fixing frame assembly is composed of a bottom frame body and a bottom rail body installed in the bottom frame body, and the bottom rail body is installed on the bottom frame body. A bottom moving frame is installed on the bottom rail body in a sliding mode, a bottom rotating sleeve is rotationally arranged on the bottom moving frame in a sleeving mode, a bottom motor is fixedly installed on the bottom frame body, a bottom lead screw is installed on the bottom motor in a chaining mode, and the bottom lead screw and the bottom moving frame are connected together in a screwed mode. The top overturning frame assembly is composed of a top frame body and a top rail body installed in the top frame body, and a top moving frame is installed on the top rail body in a sliding mode. The turnover frame has the beneficial effects that the turnover frame can be supported more easily through the short force arm, stress of the supporting component is reduced, deformation of the supporting component is reduced, and meanwhile the turnover angle can be larger through driving of the two power sources.

Description

Technical Field

[0001] The utility model relates to the field of cab support devices, in particular to a support mechanism for tilting a cab. Background Art

[0002] In construction work, work machinery vehicles are usually used. For example, when forklifts, cranes or excavators are working, the driver usually needs to operate in the cab. The cab generally adopts a metal thin shell structure and is flexibly connected to the frame. It does not bear load and is a non-load-bearing body. It is mainly used to protect the driver. In order to facilitate inspection and maintenance, the current work vehicles usually adopt a tiltable support structure to support the installation of the cab so that it can tilt to a certain angle. A hydraulic cylinder power support structure or a lever arm drive structure is usually used for tilting support. The lever arm structure provides power source through an electric motor, and in order to be able to support a certain angle, the length of the support arm rod cannot be too short. In the initial stage of the cab tipping, the support arm rod tends to be close to horizontal, and the support needs to withstand a large support force to prop it up. After long-term use, the support arm rod is prone to obvious deformation, affecting the use effect. Utility Model Content

[0003] The purpose of the utility model is to provide a supporting mechanism for the tilting of the cab in order to solve the above-mentioned problem.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] The cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a

[0006] Furthermore, a flip ear is fixedly mounted on the bottom frame, a flip shaft is mounted on the top frame, and the flip shaft is rotatably mounted on the flip ear.

[0007] Furthermore, a cab mounting chassis is installed on the top flip frame assembly.

[0008] Furthermore, a pin rack is installed on one side of the top frame, a fixed threaded pin is inserted on the pin rack, a pin hole is provided on the bottom frame, and the end of the fixed threaded pin is installed in the pin hole.

[0009] Furthermore, a cushion body is installed on the bottom fixing frame assembly, and a controller is installed on the side of the bottom frame.

[0010] The beneficial effect is that the supporting mechanism for cab tipping described in the utility model can more easily prop up the tipping frame through the short lever arm, reduce the stress on the supporting components, reduce their deformation, and at the same time, through the drive of two power sources, the tipping angle can be made larger. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of a supporting mechanism for tilting a cab according to the utility model;

[0012] Figure 2 It is a schematic diagram of a bottom fixing frame assembly of a supporting mechanism for tilting a cab as described in the utility model;

[0013] Figure 3 It is a schematic diagram of a top flip frame assembly of a supporting mechanism for tilting a cab described in the utility model.

[0014] The following are the descriptions of the reference numerals:

[0015] 1. Bottom fixed frame assembly, 11. Bottom frame, 12. Bottom lead screw, 13. Bottom rotating sleeve, 14. Bottom movable frame, 15. Bottom rail body, 16. Bottom motor, 17. Controller; 2. Top flip frame assembly, 21. Top frame, 22. Top lead screw, 23. Top rotating sleeve, 24. Top movable frame, 25. Top motor, 26. Top rail body; 3. Support short arm rod; 4. Flip ear; 5. Flip shaft; 6. Cab mounting frame; 7. Pin rack; 8. Cushion body; 9. Fixed threaded pin. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] like Figure 1-Figure 3 As shown, a supporting mechanism for cab tipping is composed of a bottom fixed frame assembly 1, a top flip frame assembly 2 and a supporting short arm rod 3;

[0018] One end of the top flip frame assembly 2 is rotatably mounted on the bottom fixed frame assembly 1, and the bottom fixed frame assembly 1 is composed of a bottom frame body 11 and a bottom rail body 15 installed in the frame of the bottom frame body 11, a bottom moving frame 14 is slidably mounted on the bottom rail body 15, a bottom rotating sleeve 13 is rotatably sleeved on the bottom moving frame 14, a bottom motor 16 is fixedly mounted on the bottom frame body 11, a bottom lead screw 12 is linked to the bottom motor 16, and the bottom lead screw 12 is screwed together with the bottom moving frame 14, so that the bottom moving frame 14 can be driven to move by rotation;

[0019] The top flip frame assembly 2 is composed of a top frame body 21 and a top rail body 26 installed in the top frame body 21, a top moving frame 24 is slidably installed on the top rail body 26, a top rotating sleeve 23 is rotatably provided on the top moving frame 24, a top motor 25 is installed in the top frame body 21, a top screw 22 is connected and installed on the top motor 25, and the top screw 22 is screwed together with the top moving frame 24 to realize the movement of the top moving frame 24;

[0020] The two ends of the supporting short arm rod 3 are respectively installed on the bottom rotating sleeve 13 and the top rotating sleeve 23 to realize the flipping of the bottom fixed frame assembly 1 and the top flip frame assembly 2.

[0021] like Figure 1-Figure 3 As shown, the utility model also discloses the following more optimized specific structures:

[0022] A flip ear 4 is fixedly mounted on the bottom frame 11 , a flip shaft 5 is mounted on the top frame 21 , and the flip shaft 5 is rotatably mounted on the flip ear 4 , thereby realizing the rotatable mounting of the top flip frame assembly 2 and the bottom fixed frame assembly 1 .

[0023] A cab mounting chassis 6 is mounted on the top flip frame assembly 2 and is used to carry and fix the cab of the work vehicle.

[0024] A pin holder 7 is installed on one side of the top frame 21, and a fixed threaded pin 9 is inserted on the pin holder 7. A pin hole is provided on the bottom frame 11, and the end of the fixed threaded pin 9 is installed in the pin hole to ensure the stability of the top flip frame assembly 2 during normal driving operation.

[0025] A cushion body 8 is installed on the bottom fixed frame assembly 1 , and the cushion body 8 is used to cushion the top flip frame assembly 2 when it is flipped to avoid impact. A controller 17 is installed on the side of the bottom frame 11 .

[0026] like Figure 1-Figure 3The supporting mechanism for cab tipping shown is mainly used for working vehicles such as forklifts and cranes. When the cab needs to tip, the bottom motor 16 is first controlled to operate so that the top moving frame 24 moves. The length of the supporting short arm rod 3 is shorter than that of the traditional support rod, thereby reducing the force arm and requiring less torque. Therefore, it is easier to prop up the top flip frame assembly 2. Then, the top motor 25 is started at the same time so that the supporting short arm rod 3 can move toward the angle between the bottom fixed frame assembly 1 and the top flip frame assembly 2, so that the top flip frame assembly 2 can be flipped larger.

[0027] In the above structure, the bottom fixed frame assembly 1 is mounted and fixed to the vehicle frame, and the cab is mounted on the cab mounting chassis 6 above the top flip frame assembly 2 .

[0028] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. A supporting mechanism for cab tipping, characterized in that: The cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with a bottom support frame, and the cam body is provided with 2. A supporting mechanism for cab tipping according to claim 1, characterized in that: A flip ear is fixedly mounted on the bottom frame body, a flip shaft is mounted on the top frame body, and the flip shaft is rotatably mounted on the flip ear.

3. The supporting mechanism for cab tipping according to claim 1, characterized in that: A cab mounting chassis is mounted on the top flip frame assembly.

4. The supporting mechanism for cab tipping according to claim 1, characterized in that: A pin rack is installed at one side of the top frame body, a fixed threaded pin is inserted on the pin rack, a pin hole is provided on the bottom frame body, and the end of the fixed threaded pin is installed in the pin hole.

5. The supporting mechanism for cab tipping according to claim 1, characterized in that: A cushion body is installed on the bottom fixing frame assembly, and a controller is installed on the side of the bottom frame.

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