Damping steering mechanism with peak protection function

Abstract

The utility model discloses a damping steering mechanism with peak protection, which comprises a steering motor and a rotating shaft mounted at the output end of the steering motor, a connecting frame is mounted at the lower end of the rotating shaft, and an overload protection mechanism and a damping mechanism are arranged below the connecting frame. The overload protection mechanism comprises a supporting ring, a supporting column, a limiting ring, a compression-resistant spring, a damping ring and an inserting groove, the supporting column is installed at the upper end of the supporting ring, the limiting ring is installed on the upper half portion of the outer side of the supporting column, the supporting column is connected with the inserting groove in an inserted mode, and the damping guide rod is connected into the damping shell in an inserted mode. The guide rod plunger is installed at the lower end of the damping outer shell, the damping inner shell is installed in the damping outer shell, and the guide rod plunger is located in the damping outer shell. According to the utility model, the overload protection mechanism is used for carrying out compression resistance protection on the damping mechanism, so that the operation efficiency and safety of the damping mechanism are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steering mechanisms, in particular to a shock-absorbing steering mechanism with peak protection. Background Technique

[0002] At present, most steering systems on the market are composed of a steering gear, a shock absorber and a hub motor group, and perform well under the condition of a flat road surface.

[0003] On complex ground conditions, the buffering force of the device is different, which easily causes the buffer components to be over-pressured, resulting in an overloaded operation effect, leading to damage to its shock-absorbing mechanism. Moreover, when the existing buffer mechanism is in use, its buffer support force is relatively single and cannot be adjusted according to the road conditions and the weight of the device, affecting the diversity and stability of the device's use.

[0004] Therefore, we provide a shock-absorbing steering mechanism with peak protection. Content of the Utility Model

[0005] The purpose of the utility model is to provide a shock-absorbing steering mechanism with peak protection for the above-mentioned existing technical problems, so as to achieve the effects of overload protection and diverse buffer support.

[0006] In view of this, the utility model provides a shock-absorbing steering mechanism with peak protection, including a steering motor, and a rotating shaft installed at the output end of the steering motor. A connecting frame is installed at the lower end of the rotating shaft, and an overload protection mechanism and a shock-absorbing mechanism are arranged below the connecting frame.

[0007] The overload protection mechanism includes a support ring, a support column, a limit ring, a compression spring, a damping ring, and a plug-in slot. The support column is installed at the upper end of the support ring, the limit ring is installed on the outer upper half of the support column, the compression spring is installed on the upper surface of the limit ring, the damping ring is installed on the inner wall of the plug-in slot, and the upper end of the compression spring is installed on the upper half of the inner wall of the plug-in slot. The support column is inserted into the plug-in slot.

[0008] The shock-absorbing mechanism includes a shock-absorbing guide rod, a shock-absorbing outer shell, a shock-absorbing upper cover, a shock-absorbing bottom cover, a shock-absorbing inner shell, and a guide rod plunger. The shock-absorbing guide rod is inserted into the shock-absorbing outer shell, the guide rod plunger is installed at the lower end of the shock-absorbing outer shell, the shock-absorbing upper cover is installed on the upper surface of the shock-absorbing outer shell, the shock-absorbing bottom cover is installed on the lower surface of the shock-absorbing outer shell, the shock-absorbing inner shell is installed inside the shock-absorbing outer shell, and the guide rod plunger is located inside the shock-absorbing outer shell.

[0009] Among them, the shock-absorbing guide rod is installed on the lower surface of the connecting frame, the support ring is installed on the upper half of the outer side of the shock-absorbing guide rod, the shock-absorbing guide rod is inserted into the support ring, the insertion slot is opened in the lower half of the connecting frame, and the limiting ring is located inside the insertion slot.

[0010] Preferably, the specification of the limiting ring is larger than the specification of the insertion part of the support column and the insertion slot, and the limiting ring is used for limiting the support column.

[0011] Preferably, the outer side of the limiting ring is in the shape of a frustum of a cone, the inner side of the damping ring is in the shape of a frustum of a cone, and the limiting ring is located between two adjacent damping rings, and the damping ring is used for limiting the limiting ring.

[0012] Preferably, the shock-absorbing mechanism further includes a hydraulic cylinder and a base, the hydraulic cylinder is installed above the base, and the hydraulic cylinder is internally connected with the shock-absorbing inner shell and the shock-absorbing outer shell.

[0013] Preferably, the shock-absorbing guide rod is inserted into the shock-absorbing upper cover, and the shock-absorbing upper cover and the shock-absorbing bottom cover are used for sealing the shock-absorbing outer shell and the shock-absorbing inner shell.

[0014] Preferably, the shock-absorbing mechanism further includes a driving wheel, the driving wheel is rotatably installed on one side of the shock-absorbing outer shell, and the shock-absorbing outer shell is used for rolling support of the device.

[0015] Preferably, there are at least two shock-absorbing outer shells, and the connection part of the driving wheel and the shock-absorbing mechanism is located between the two shock-absorbing outer shells.

[0016] Compared with the prior art, the present utility model provides a shock-absorbing steering mechanism with peak protection, and has the following beneficial effects:

[0017] In the present utility model, the shock-absorbing mechanism is protected against compression by using an overload protection mechanism, so as to improve the efficiency and safety of the operation of the shock-absorbing mechanism.

[0018] In the present utility model, under the load condition, by controlling the oil supply pressure of the hydraulic cylinder in the shock-absorbing mechanism, the pressure of the shock-absorbing inner shell is controlled, so as to achieve a stable effect that the shock-absorbing effect is always the same under different loads.

[0019] In the present utility model, when the vehicle is driving on the road surface condition, the movement of the hydraulic oil in the shock-absorbing mechanism causes the whole vehicle body to move up and down, which can enhance the ground friction and reduce the driving load, and successfully enables the vehicle to get out of the predicament of mud or uneven road.

[0020] The parts not involved in this device are the same as the prior art or can be implemented by using the prior art. The structure of the present utility model is simple and the operation is convenient. Description of the Drawings

[0021] Figure 1 Side view structural schematic diagram of a shock-absorbing steering mechanism with peak protection proposed by the present utility model;

[0022] Figure 2 Front view structural schematic diagram of a shock-absorbing steering mechanism with peak protection proposed by the present utility model;

[0023] Figure 3 Cross-sectional view structural schematic diagram of a shock-absorbing steering mechanism with peak protection proposed by the present utility model;

[0024] Figure 4 Structural schematic diagram of the overload protection mechanism of a shock-absorbing steering mechanism with peak protection proposed by the present utility model;

[0025] Figure 5 Structural schematic diagram of the damping part of a shock-absorbing steering mechanism with peak protection proposed by the present utility model.

[0026] In the figure: 1. Steering motor; 2. Rotating shaft; 3. Connecting frame; 4. Shock-absorbing guide rod; 401. Shock-absorbing outer shell; 402. Shock-absorbing upper cover; 403. Shock-absorbing bottom cover; 404. Shock-absorbing inner shell; 405. Guide rod plunger; 406. Hydraulic cylinder; 407. Base; 408. Driving wheel; 5. Support ring; 501. Support column; 502. Limit ring; 503. Compressive spring; 504. Damping ring; 505. Insertion slot. Specific implementation manners

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0029] Embodiment 1: A shock-absorbing steering mechanism with peak protection, as Figure 1 - Figure 5 shown, includes a steering motor 1, and a rotating shaft 2 installed at the output end of the steering motor 1. A connecting frame 3 is installed at the lower end of the rotating shaft 2, and an overload protection mechanism and a shock-absorbing mechanism are arranged below the connecting frame 3;

[0030] The overload protection mechanism includes a support ring 5, a support column 501, a limit ring 502, a compression spring 503, a damping ring 504, and a plug-in groove 505. The support column 501 is installed at the upper end of the support ring 5. The limit ring 502 is installed on the outer upper half of the support column 501. The compression spring 503 is installed on the upper surface of the limit ring 502. The damping ring 504 is installed on the inner wall of the plug-in groove 505, and the upper end of the compression spring 503 is installed on the upper half of the inner wall of the plug-in groove 505. The support column 501 is inserted into the plug-in groove 505.

[0031] The shock absorption mechanism includes a shock absorption guide rod 4, a shock absorption outer shell 401, a shock absorption upper cover 402, a shock absorption bottom cover 403, a shock absorption inner shell 404, and a guide rod plunger 405. The shock absorption guide rod 4 is inserted into the shock absorption outer shell 401. The guide rod plunger 405 is installed at the lower end of the shock absorption outer shell 401. The shock absorption upper cover 402 is installed on the upper surface of the shock absorption outer shell 401. The shock absorption bottom cover 403 is installed on the lower surface of the shock absorption outer shell 401. The shock absorption inner shell 404 is installed inside the shock absorption outer shell 401. The guide rod plunger 405 is located inside the shock absorption outer shell 401.

[0032] Among them, the shock absorption guide rod 4 is installed on the lower surface of the connecting frame 3. The support ring 5 is installed on the outer upper half of the shock absorption guide rod 4. The shock absorption guide rod 4 is inserted into the support ring 5. The plug-in groove 505 is opened in the lower half of the connecting frame 3. The limit ring 502 is located inside the plug-in groove 505.

[0033] Based on the elastic support of the compression spring 503 and the damping effect when the limit ring 502 is inserted into the damping ring 504, when the support column 501 moves into the plug-in groove 505, it has a blocking and limiting effect. When the connecting frame 3 contacts the shock absorption upper cover 402, the support ring 5 provides a blocking and protecting effect, improving the stability of the distance when the shock absorption guide rod 4 moves under pressure inside the shock absorption outer shell 401, making the moving stroke of the shock absorption guide rod 4 within a controllable range, ensuring the stability and safety of the operation of the shock absorption mechanism. At the same time, under the operation support of the shock absorption mechanism, it improves the comprehensiveness and efficiency of the shock absorption effect when the device is in use. Thus, by using the overload protection mechanism to provide compressive protection for the shock absorption mechanism, it improves the efficiency and safety of the operation of the shock absorption mechanism.

[0034] As Figure 1 - Figure 5 shown, the specification of the limit ring 502 is larger than the specification at the insertion part of the support column 501 and the plug-in groove 505. The limit ring 502 is used for the limit of the support column 501.

[0035] The outer side of the limit ring 502 is in a frustum shape, the inner side of the damping ring 504 is in a frustum shape, and the limit ring 502 is located between two adjacent damping rings 504. The damping ring 504 is used for the limit of the limit ring 502.

[0036] Due to the limitation of the specification of the limiting ring 502, it is limited inside the insertion slot 505. At the same time, the upper half of the support column 501 is limited inside the insertion slot 505 to ensure the accuracy of the angle and the reliability of the distance during its protection movement. Meanwhile, under the extrusion deformation of the damping ring 504 and the limiting ring 502, when the limiting ring 502 moves upward, it is subject to a certain resistance, which plays a buffering and limiting effect on the upward movement of the limiting ring 502 and the support column 501, ensuring the safety and stability of the overload protection device during use.

[0037] As Figure 1 - Figure 5 shown, the shock absorption mechanism further includes a hydraulic cylinder 406 and a base 407. The hydraulic cylinder 406 is installed above the base 407, and the hydraulic cylinder 406 is internally connected to the shock absorption inner shell 404 and the shock absorption outer shell 401.

[0038] Under the oil supply support of the hydraulic cylinder 406, the volume of the hydraulic oil inside the shock absorption inner shell 404 is adjusted, so that the hydraulic oil inside the shock absorption inner shell 404 can adjust the hydraulic pressure according to the different loads of the device, achieving a stable effect with consistent shock absorption under different loads.

[0039] Embodiment 2: A shock absorption steering mechanism with peak protection, as Figure 1 - Figure 5 shown, the shock absorption guide rod 4 is inserted into the shock absorption upper cover 402, and the shock absorption upper cover 402 and the shock absorption bottom cover 403 are used for sealing the shock absorption outer shell 401 and the shock absorption inner shell 404.

[0040] Under the limiting and sealing of the shock absorption upper cover 402 and the shock absorption bottom cover 403, the stability and efficiency of the internal hydraulic transmission of the shock absorption outer shell 401 and the shock absorption inner shell 404 are ensured, further improving the stability and efficiency of the movement of the shock absorption mechanism.

[0041] As Figure 1 - Figure 5 shown, the shock absorption mechanism further includes a driving wheel 408. The driving wheel 408 is rotatably installed on one side of the shock absorption outer shell 401, and the shock absorption outer shell 401 is used for the rolling support of the device.

[0042] There are at least two shock absorption outer shells 401, and the connection part of the driving wheel 408 and the shock absorption mechanism is located between the two shock absorption outer shells 401.

[0043] Two shock absorption mechanisms are used to protect and support a driving wheel 408 simultaneously, improving the efficiency and stability of its buffer protection.

[0044] Working principle: First, start the steering motor 1 so that the rotating shaft 2 at its output end moves simultaneously. Driven by the rotating shaft 2, the connecting frame 3, the shock-absorbing outer shell 401, and the driving wheel 408 rotate simultaneously. Based on the elastic support of the compression spring 503 and the damping effect when the limiting ring 502 is inserted into the damping ring 504, when the support column 501 moves into the insertion slot 505, a blocking and limiting effect is achieved. When the connecting frame 3 contacts the shock-absorbing upper cover 402, the support ring 5 provides a blocking and protecting effect, improving the stability of the distance when the shock-absorbing guide rod 4 moves under pressure inside the shock-absorbing outer shell 401, keeping the moving stroke of the shock-absorbing guide rod 4 within a controllable range, ensuring the stable and safe operation of the shock-absorbing mechanism. At the same time, with the operation support of the shock-absorbing mechanism, the comprehensiveness and efficiency of the shock-absorbing effect during the use of the device are improved.

[0045] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent replacements or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A shock-absorbing steering mechanism with peak protection, comprising a steering motor (1) and a rotating shaft (2) installed at the output end of the steering motor (1), characterized in that, A connecting frame (3) is installed at the lower end of the rotating shaft (2), and an overload protection mechanism and a shock absorption mechanism are arranged below the connecting frame (3); The overload protection mechanism includes a support ring (5), a support column (501), a limit ring (502), a compression spring (503), a damping ring (504), and a plugging groove (505). The support column (501) is installed at the upper end of the support ring (5), the limit ring (502) is installed on the outer upper half of the support column (501), the compression spring (503) is installed on the upper surface of the limit ring (502), the damping ring (504) is installed on the inner wall of the plugging groove (505), and the upper end of the compression spring (503) is installed on the upper half of the inner wall of the plugging groove (505). The support column (501) is plugged into the plugging groove (505); The shock absorption mechanism includes a shock absorption guide rod (4), a shock absorption outer shell (401), a shock absorption upper cover (402), a shock absorption bottom cover (403), a shock absorption inner shell (404), and a guide rod plunger (405). The shock absorption guide rod (4) is plugged into the shock absorption outer shell (401). The guide rod plunger (405) is installed at the lower end of the shock absorption outer shell (401). The shock absorption upper cover (402) is installed on the upper surface of the shock absorption outer shell (401). The shock absorption bottom cover (403) is installed on the lower surface of the shock absorption outer shell (401). The shock absorption inner shell (404) is installed inside the shock absorption outer shell (401). The guide rod plunger (405) is located inside the shock absorption outer shell (401); Wherein, the shock absorption guide rod (4) is installed on the lower surface of the connecting frame (3), the support ring (5) is installed on the outer upper half of the shock absorption guide rod (4), the shock absorption guide rod (4) is plugged into the support ring (5), the plugging groove (505) is opened in the lower half of the connecting frame (3), and the limit ring (502) is located inside the plugging groove (505).

2. The shock-absorbing steering mechanism with peak protection according to claim 1, characterized in that, The specification of the limit ring (502) is larger than the specification of the plugging part of the support column (501) and the plugging groove (505). The limit ring (502) is used for limiting the support column (501).

3. The shock-absorbing steering mechanism with peak protection according to claim 1, characterized in that, The outer side of the limit ring (502) is in a frustum shape, the inner side of the damping ring (504) is in a frustum shape, and the limit ring (502) is located between two adjacent damping rings (504). The damping ring (504) is used for limiting the limit ring (502).

4. The shock-absorbing steering mechanism with peak protection according to claim 1, characterized in that, The shock absorption mechanism further includes a hydraulic oil cylinder (406) and a base (407). The hydraulic oil cylinder (406) is installed above the base (407), and the hydraulic oil cylinder (406) is communicated with the shock absorption inner shell (404) and the inside of the shock absorption outer shell (401).

5. The shock-absorbing steering mechanism with peak protection according to claim 1, characterized in that, The shock absorption guide rod (4) is plugged into the shock absorption upper cover (402). The shock absorption upper cover (402) and the shock absorption bottom cover (403) are used for sealing the shock absorption outer shell (401) and the shock absorption inner shell (404).

6. The shock-absorbing steering mechanism with peak protection according to claim 1, characterized in that, The shock absorption mechanism further includes a driving wheel (408), the driving wheel (408) is rotatably installed on one side of the shock absorption housing (401), and the shock absorption housing (401) is used for the rolling support of the device.

7. The shock-absorbing steering mechanism with peak protection according to claim 6, characterized in that, There are at least two shock absorption housings (401), and the connection between the driving wheel (408) and the shock absorption mechanism is located between the two shock absorption housings (401).

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