CN111645765A

CN111645765A - Integrated many limit function non-maintaining formula heavy truck body stabilising arrangement

Info

Publication number: CN111645765A
Application number: CN202010450473.7A
Authority: CN
Inventors: 贺高峰; 田建红; 夏朋朋
Original assignee: Dayun Automobile Co Ltd
Current assignee: Dayun Automobile Co Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-09-11
Anticipated expiration: 2040-05-25
Also published as: CN111645765B

Abstract

The invention discloses an integrated multi-limit function maintenance-free heavy truck body stabilizing device, and relates to the field of heavy truck body stabilization. The device comprises a stabilizer bar and a stability maintaining structure, wherein the two sides of the stabilizer bar are in mirror symmetry, the stability maintaining structure comprises a bearing seat, an inner bearing, an outer bearing, a limiting bracket, a limiting block and a swing arm, the bearing seat, the inner bearing, the outer bearing and the swing arm are all sleeved on the stabilizer bar, and the limiting bracket is arranged on a through hole formed in a connecting rod part of the swing arm and penetrates through the through hole to be connected with the limiting block; the bearing realizes a maintenance-free structure, the device can realize the cab turning function by matching with a hydraulic oil cylinder, and also integrates the functions of limiting the up-and-down movement of the cab, limiting the turning track and limiting the turning angle; the fixture block end of the swing arm is provided with a mounting interface for assembling the front suspension damper; the connecting lug on the bearing seat is also integrated with a front height valve mounting bracket interface. The device is highly integrated, and the number and the types of parts are reduced; the bearing type maintenance-free structure can greatly prolong the service life of the product; the overturning safety of the cab is improved.

Description

Integrated many limit function non-maintaining formula heavy truck body stabilising arrangement

Technical Field

The invention relates to the field of heavy truck body stabilization, in particular to a maintenance-free heavy truck body stabilizing device integrating multiple limiting functions.

Background

The heavy truck body stabilizing device is generally composed of a stabilizing rod and longitudinal guide arms on the left side and the right side, a vehicle frame and a cab are connected to ensure the stable movement of the cab and the vehicle frame, and meanwhile, the overturning function of the cab is realized through hinged structures such as a hydraulic cylinder and the like.

At present heavily block driver's cabin automobile body stabilising arrangement is various, has non-maintaining formula and regular maintenance formula structure, and the structure of oil drain oil groove is adopted to the most adoption of maintenance formula, needs regularly scribble lubricating oil. However, any one of the functions is single, and only the function of stabilizing the frame and the cab can be realized; the individual function integrated structure is not highly integrated in function, and cannot realize high integration of multiple functions. There is therefore a need for an improved heavy truck body stabilizer which is functionally integrated and maintenance-free.

Disclosure of Invention

The invention provides a maintenance-free heavy truck body stabilizing device integrating multiple limiting functions, aiming at solving the problems that the existing heavy truck body stabilizing device is single in function and cannot realize multifunctional high integration.

The invention is realized by the following technical scheme: a maintenance-free heavy truck body stabilizing device integrating multiple limiting functions comprises a stabilizer bar, wherein the left side and the right side of the stabilizer bar are in mirror symmetry, a left bearing seat is sleeved at the left end of the stabilizer bar, the left bearing seat is integrally formed and internally sleeved with an inner bearing and an outer bearing, the inner bearing and the outer bearing are both sleeved on the stabilizer bar, the outer bearing is positioned outside the inner bearing, the outer end of the left bearing seat is provided with a connecting lug connected with a height valve mounting bracket, the inner end of the left bearing seat is provided with a limiting stop, and the outer side of the left bearing seat is also provided with a bearing cover for sealing; the stabilizer bar is characterized in that an integrally formed left swing arm is further sleeved on the inner side of the left bearing seat and comprises a stabilizer bar connecting part, a fixture block end, a connecting rod part and a cab connecting part, the cab connecting part is annular, a rubber bushing is arranged in the cab connecting part, a metal support is arranged in the rubber bushing and is connected with a cab through a through hole in the rubber bushing, the stabilizer bar connecting part is fixedly connected with the cab connecting part through the connecting rod part, the fixture block end is located at one end, close to the stabilizer bar connecting part, of the connecting rod part and abuts against a limit stop block under the condition of angle limit, and a through hole is further formed in the fixture block end and serves as a front suspension shock absorber mounting interface; the connecting rod part is also provided with a through hole for the limiting bracket to pass through; the limiting bracket comprises an L-shaped clamping part at the upper part and a limiting rod part at the lower part, the clamping part consists of a vertical part connected with the frame and a plane part connected with the limiting rod part, the lower part of the limiting rod part after penetrating through the through hole is also connected with a limiting block, and the diameter of the limiting block is larger than that of the through hole; the top of the through hole formed in the connecting rod part is provided with a boss on one side close to the cab connecting part, the top of the boss is a plane, the plane is matched with the plane part of the clamping part, and the edge of the plane part of the clamping part is also fixedly provided with a connecting structure connected with a frame.

The invention designs a maintenance-free heavy truck body stabilizing device integrating multiple limiting functions, which integrates multiple functions and realizes overturning track, angle limiting and up-and-down movement limiting. The left bearing seat is sleeved at the left end part of the stabilizer bar and integrally formed, the left bearing seat plays a role of connecting with a frame and can also serve as a space for loading an internal bearing, an internal bearing and an external bearing are sleeved in the left bearing seat, the internal bearing and the external bearing are both sleeved on the stabilizer bar, the external bearing is positioned outside the internal bearing, the two bearings realize that the bearings properly rotate on the stabilizer bar when the stabilizer bar tends to overturn or swing, and the requirement of maintenance-free is met; the end of the outer side of the left bearing seat is provided with a connecting lug and is used for being connected with the altitude valve mounting bracket, the end of the inner side of the left bearing seat is provided with a limit stop, the limit stop is used for stopping the end of a fixture block on the left swing arm when the angle is turned, and a bearing cover used for sealing is further arranged on the outer side of the left bearing seat, so that the motion resistance is small and the noise is low. The stabilizer bar is also sleeved with an integrally formed left swing arm on the inner side of the left bearing seat, the left swing arm is not only used for being connected with a frame, the structure of the stabilizer bar enables the whole device to realize the functions of limiting the overturning track, limiting the overturning angle and limiting the overturning angle up and down, the left swing arm is composed of a stabilizer bar connecting part, a fixture block end, a connecting rod part and a cab connecting part, and the swing arm is stable in structure and not easy to be damaged in the stabilizing process due to integral forming; the cab connecting part is in a circular ring shape, a rubber bushing is arranged in the cab connecting part, a metal support is arranged in the rubber bushing, the rubber bushing is connected with the cab through a through hole in the rubber bushing, the metal support enables the rubber bushing to have certain rigidity, and the overall comfort is improved under the condition of ensuring the overall stability. The stabilizer bar connecting part is fixedly connected with the cab connecting part through the connecting rod part, and the fixture block end is positioned at one end of the connecting rod part, which is close to the stabilizer bar connecting part, and is abutted against the limit stop under the condition of angle limit, so that the effect of limiting the turning angle is achieved; the fixture block end is also provided with a through hole which is used as a front suspension damper mounting interface; the connecting rod part is also provided with a through hole for the limiting bracket to pass through; the limiting bracket comprises an L-shaped clamping part at the upper part and a limiting rod part at the lower part, the L-shaped clamping part is used for being connected with the frame, and simultaneously the L-shaped clamping part is combined with the connecting rod part of the left swing arm to play a role in limiting the turning track; the clamping part consists of a vertical part and a plane part, the vertical part is connected with the frame, and the plane part is connected with the limit rod part; the lower part of the limiting rod part after penetrating through the through hole is also connected with a limiting block, and the diameter of the limiting block is larger than that of the opened through hole, so that when the limiting rod part is lifted up during upper limiting, the limiting block can be clamped at the lower part of the through hole, and the frame can not move upwards any more; the top of the through hole formed in the connecting rod part is close to one side of the cab connecting part and is provided with a boss, the top of the boss is a plane, the plane is matched with the plane part of the clamping part, the plane part and the plane part can be in contact with each other to achieve the effects of limiting the lower part and limiting the overturning track, and the edge of the plane part of the clamping part is fixedly provided with a connecting structure connected with a frame. Because the structure of stabilizer bar both sides is mirror symmetry, so the effect that all parts of both sides played is the same, like this bilateral symmetry play the same rotation angle, the spacing effect of orbit and upper and lower spacing. The invention has the following specific operations: when the vehicle moves to the limit, the limit block is clamped at the through hole formed in the connecting rod part of the swing arm, so that the vehicle frame and the cab can not move upwards any more, and the upper limit effect is achieved; when the vehicle moves to the limit, the plane part of the clamping part of the limiting bracket contacts and abuts against the top plane of the boss, so that the vehicle frame and the cab can not move downwards any more, and the effect of lower limiting is achieved; when the automobile swings left and right, so that the left and right swinging amplitude of the frame and the cab is large, one side of the left and right limiting brackets moves upwards, the other side of the left and right limiting brackets moves downwards, when the upwards moving limiting brackets move to the limit, the limiting blocks are clamped at through holes formed in connecting rod parts of the swing arms, and when the downwards moving limiting brackets move to the limit, the plane parts of the clamping parts of the limiting brackets are in contact and abut against the top plane of the bosses, so that the frame and the cab are not too large in jumping amplitude at two sides, and the stability of the frame and the cab is maintained; when the vehicle has a tendency of sudden braking or forward overturning, the frame and the cab both have a tendency of forward overturning, an overturning track and an overturning angle exist, when the vehicle has the overturning track forward, the swing arms at two sides of the stabilizing rod rotate forward, and the bosses on the swing arms rotate forward to be in contact with and abut against the plane part of the clamping part of the limiting bracket, so that the frame and the cab can not tilt forward too much, and the stability of the front part of the vehicle is maintained; when the range of upset forward is bigger, the rotation range of swing arm is more increaseed, when reaching the limit, the fixture block end of swing arm supports with the limit stop of bearing frame and leans on, because the bearing frame is fixed, then the swing arm rotates and has reached the limit to here, so can not forward rotation again, frame and driver's cabin can not forward the upset again, whole stabilising arrangement has just so maintained the stability of frame and whole driver's cabin.

Preferably, the limiting block is made of rubber.

Preferably, in order to meet the assembly performance of the limiting block, the limiting block is divided into an upper limiting block and a lower limiting block, and rubber is adopted.

Preferably, in order to make the bearing housing more stable, the bearing cap is composed of a cap screwed to the bearing housing and a nut screwed to the stabilizer bar.

Compared with the prior art, the invention has the following beneficial effects: the maintenance-free heavy truck body stabilizing device integrating multiple limiting functions comprises a bearing-type maintenance-free structure, and can realize the function of stabilizing the movement of a cab and a truck frame; the device can realize the cab turning function by matching with a hydraulic oil cylinder, and also integrates the cab up-and-down movement limiting function, the cab turning track limiting function and the cab turning angle limiting function; the fixture block end of the swing arm is provided with a mounting interface for assembling the front suspension damper; the connecting lug on the bearing seat is also integrated with a front height valve mounting bracket interface. The device is a highly integrated product, and the number and the types of parts can be reduced; the bearing type maintenance-free structure can greatly prolong the service life of the product; the functions of turning track limitation and turning limit limitation are added, and the turning safety of the cab is improved.

Drawings

Fig. 1 is an exploded view of the structure of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a left side view of the structure of the present invention.

Fig. 4 is a schematic diagram of the upper limit structure of the present invention, and the circle is a structure functioning as the upper limit.

Fig. 5 is a schematic view of a lower limit structure of the invention, and a structure for playing a lower limit role is arranged in a circle.

Fig. 6 is a schematic structural diagram of the turning track limiting of the present invention, and a structure for limiting the turning track is arranged in a circle.

Fig. 7 is a schematic structural diagram of the turning angle limiting of the present invention, and a structure for limiting the turning angle is arranged in a circle.

FIG. 8 is a schematic view of the connection of the present invention to surrounding structures.

Fig. 9 is a schematic view of the position of the present invention in the lower portion of the frame and cab.

The figures are labeled as follows: 1-stabilizer bar, 2-left bearing seat, 3-outer bearing, 4-inner bearing, 5-left swing arm, 6-rubber bushing, 7-limit bracket, 8-limit block, 9-right bearing seat, 10-bearing cover, 201-connecting lug, 202-limit stop, 501-fixture block end, 502-connecting rod part, 503-cab connecting part, 504-stabilizer bar connecting part, 701-limit rod part, 702-limit part, 801-upper limit block and 802-lower limit block.

Detailed Description

The present invention is further illustrated by the following specific examples.

A kind of integrated many limit functions non-maintaining heavy truck body stabilising arrangement, as shown in fig. 1-3: including stabilizer bar 1, the structure mirror symmetry of the 1 left and right sides of stabilizer bar, stabilizer bar 1's left side tip cover is equipped with a left bearing frame 2, left side bearing frame 2 integrated into one piece, and inside cover are equipped with inner bearing 4 and outer bearing 3, inner bearing 4 and outer bearing 3 all suit are on stabilizer bar 1 and outer bearing 3 is located the inner bearing 4 outside, the 2 outside ends of left side bearing frame are engaging lug 201, the medial extremity of being connected with high valve installing support are limit stop 202, bearing cap 10 that is used for sealing is still installed in the outside of left side bearing frame 2. The stabilizer bar 1 is further sleeved with an integrally formed left swing arm 5 on the inner side of the left bearing seat 2, the left swing arm 5 is composed of a stabilizer bar connecting portion 504, a fixture block end 501, a connecting rod portion 502 and a cab connecting portion 503, the cab connecting portion 503 is annular and is internally provided with a rubber bushing 6, the rubber bushing 6 is internally provided with a metal support and is connected with a cab through a through hole in the rubber bushing, the stabilizer bar connecting portion 504 is fixedly connected with the cab connecting portion 503 through the connecting rod portion 502, the fixture block end 501 is located at one end of the connecting rod portion 502 close to the stabilizer bar connecting portion 504 and abuts against the limit stop 202 under the condition of angle limit, and the fixture block end 501 is further provided with a through hole and serves as a front suspension damper mounting interface; the connecting rod part 502 is further provided with a through hole for the limiting bracket 7 to pass through. The limiting bracket 7 comprises an upper L-shaped clamping part 701 and a lower limiting rod part 702, the clamping part 701 consists of a vertical part connected with the frame and a plane part connected with the limiting rod part 702, the lower part of the limiting rod part 702 after penetrating through the through hole is also connected with a limiting block 8, and the diameter of the limiting block 8 is larger than that of the through hole; the top of the through hole formed in the connecting rod portion 502 is provided with a boss on one side close to the cab connecting portion 503, the top of the boss is a plane, the plane is matched with the plane portion of the positioning portion 701, and a connecting structure connected with a frame is further fixedly arranged at the edge of the plane portion of the positioning portion 701.

In the embodiment, a preferable scheme is adopted, and the stabilizer bar 1 is formed by integrally forging; the limiting block 8 is made of rubber; the limiting block 8 is divided into an upper limiting block 801 and a lower limiting block 802, and both adopt rubber; the bearing cap 10 is composed of a cap screwed to the left bearing housing 2 and a nut screwed to the stabilizer bar 1.

The embodiment specifically operates as follows: when the vehicle moves upwards to a larger extent due to external bumping, the left and right limiting brackets 7 move upwards at the same time, and when the vehicle moves to the limit, the upper limiting block 801 is clamped at the through hole formed by the connecting rod part 502 of the swing arm, so that the vehicle frame and the cab can not move upwards any more, and an upper limiting effect is achieved, as shown in fig. 4; when the vehicle has a large downward movement between the frame and the cab due to external bumping, the left and right limiting brackets 7 move downward at the same time, and when the vehicle moves to the limit, the plane part of the clamping part 701 of the limiting bracket 7 contacts and abuts against the top plane of the boss, so that the frame and the cab can not move downward any more, and the effect of lower limiting is achieved, as shown in fig. 5; when the automobile swings left and right, so that the left and right swinging amplitude of the frame and the cab is large, one side of the left and right limiting brackets 7 moves upwards, the other side moves downwards, when the upward moving limiting brackets 7 move to the limit, the upper limiting block 801 is clamped at the through hole formed by the connecting rod part of the swinging arm, when the downward moving limiting brackets move to the limit, the plane part of the clamping part 701 of the limiting brackets 7 is in contact and abut against the top plane of the boss, therefore, the two sides of the frame and the cab cannot jump too much, and the stability of the frame and the cab is maintained; when the vehicle has a tendency of sudden braking or forward overturning, the frame and the cab both have a tendency of forward overturning, and an overturning track and an overturning angle exist, when the vehicle has a forward overturning track, the swing arms on both sides of the stabilizer bar 1 both rotate forward, and the bosses on the swing arms rotate forward to contact and abut against the plane part of the positioning part 701 of the limiting bracket, so that the frame and the cab cannot tilt forward too much, and the stability of the front part of the vehicle is maintained, as shown in fig. 6; when the amplitude of forward overturning is larger, the rotation amplitude of the swing arm is larger, when the limit is reached, the fixture block end 501 of the swing arm is abutted against the limit stop 202 of the bearing seat, and because the bearing seat is fixed, the swing arm rotates to reach the limit, so that the swing arm can not rotate forward, and the frame and the cab can not overturn forward, so that the stability of the frame and the whole cab is maintained by the whole stabilizing device, as shown in fig. 7. When the entire assembly is assembled to the frame, as shown in the assembled position in phantom in fig. 8, and when combined with the cab, the structure of the entire front of the vehicle is shown in fig. 9.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the invention should be included in the scope of the invention.

Claims

1. The utility model provides an integrated many limit function non-maintaining formula heavy truck body stabilising arrangement which characterized in that: the structure of the stabilizer bar comprises a stabilizer bar (1), the left side and the right side of the stabilizer bar (1) are in mirror symmetry, a left bearing seat (2) is sleeved at the left end of the stabilizer bar (1), the left bearing seat (2) is integrally formed and internally sleeved with an inner bearing (4) and an outer bearing (3), the inner bearing (4) and the outer bearing (3) are sleeved on the stabilizer bar (1), the outer bearing (3) is positioned on the outer side of the inner bearing (4), the outer end of the left bearing seat (2) is provided with a connecting lug (201) connected with a height valve mounting bracket, the inner end of the left bearing seat is provided with a limit stop (202), and a bearing cover (10) for sealing is further mounted on the outer side of the left bearing seat (2;

the stabilizer bar (1) is also sleeved with an integrally formed left swing arm (5) on the inner side of the left bearing seat (2), the left swing arm (5) is composed of a stabilizer bar connecting part (504), a fixture block end (501), a connecting rod part (502) and a cab connecting part (503), the cab connecting part (503) is annular and is internally provided with a rubber bushing (6), the rubber bushing (6) is internally provided with a metal support and is connected with the cab through a through hole inside the rubber bushing, the stabilizer bar connecting part (504) is fixedly connected with the cab connecting part (503) through a connecting rod part (502), the fixture block end (501) is positioned at one end of the connecting rod part (502) close to the stabilizer bar connecting part (504) and is abutted against the limit stop (202) under the condition of angle limit, the fixture block end (501) is also provided with a through hole which is used as a front suspension damper mounting interface; the connecting rod part (502) is also provided with a through hole for the limiting bracket (7) to pass through;

the limiting bracket (7) comprises an L-shaped clamping part (701) at the upper part and a limiting rod part (702) at the lower part, the clamping part (701) consists of a vertical part connected with the frame and a plane part connected with the limiting rod part (702), the lower part of the limiting rod part (702) after penetrating through the through hole is also connected with a limiting block (8), and the diameter of the limiting block (8) is larger than that of the through hole; the top of the through hole formed in the connecting rod portion (502) is provided with a boss on one side close to the cab connecting portion (503), the top of the boss is a plane, the plane is matched with the plane portion of the clamping portion (701), and the edge of the plane portion of the clamping portion (701) is fixedly provided with a connecting structure connected with a frame.

2. The integrated multi-position-limiting function maintenance-free heavy truck body stabilizing device as claimed in claim 1, wherein: the stabilizer bar (1) is formed by forging and beating integrally.

3. The integrated multi-position-limiting function maintenance-free heavy truck body stabilizing device as claimed in claim 1, wherein: the limiting block (8) is made of rubber.

4. The integrated multi-position-limiting function maintenance-free heavy truck body stabilizing device as claimed in claim 1 or 3, wherein: the limiting block (8) is divided into an upper limiting block (801) and a lower limiting block (802), and rubber is adopted.

5. The integrated multi-position-limiting function maintenance-free heavy truck body stabilizing device as claimed in claim 1, wherein: the bearing cover (10) is composed of a cover and a nut, the cover is screwed on the left bearing seat (2), and the nut is screwed on the stabilizer bar (1).