CN212796433U - Suspension height-reducing secondary limiting structure and suspension - Google Patents
Suspension height-reducing secondary limiting structure and suspension Download PDFInfo
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- CN212796433U CN212796433U CN202021587981.1U CN202021587981U CN212796433U CN 212796433 U CN212796433 U CN 212796433U CN 202021587981 U CN202021587981 U CN 202021587981U CN 212796433 U CN212796433 U CN 212796433U
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Abstract
The present disclosure provides a suspension height-lowering two-stage limit structure and a suspension; relate to the suspension structure field, including rotating chassis and the rotating turret of connecting, be equipped with first extension board on the chassis, be equipped with the second extension board of mutual disposition on the rotating turret, the clamp plate, the rotating turret rotates for the chassis and makes the clamp plate laminating or break away from first extension board, be equipped with first spacing hole on the chassis, be equipped with the spacing hole of second on the rotating turret, first spacing hole, the spacing hole of second cooperates the spacer pin jointly, adopt the mode of pin cooperation rotating turret, switch the spacing height of support position department, the spacing dismantlement of activity, it is convenient to place, through rotating-structure, can realize fast that the difference falls the switching of high limit station.
Description
Technical Field
The utility model relates to a suspension structure field, in particular to suspension height reduction second grade limit structure and suspension.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The hydro-pneumatic spring double-cross arm independent suspension of the existing vehicle mostly adopts a single-stage limiting structure for height reduction, and cannot be compatible with the requirements of height reduction in conventional driving and the requirements of large height reduction in railway flat plate transportation.
The inventor finds that in the conventional suspension secondary limiting device, a movable seat is connected by a fastening bolt, and a tool is needed for switching limiting; in the secondary limiting state, the vehicle body is rigidly supported, elastic limiting is not realized, and impact damage to a contact surface is easy to occur; the elastic buffer block is fixed on the movable seat, and when the secondary limit difference value is small, the thickness of the buffer block needs to be reduced, so that the upward jumping limit buffer of the tire of the bicycle is influenced.
SUMMERY OF THE UTILITY MODEL
The purpose of the present disclosure is to provide a suspension height-reducing two-stage limit structure and a suspension, aiming at the defects existing in the prior art; the mode that adopts pin cooperation rotating turret, the spacing height of switching support position department, the activity is spacing dismantles, places the convenience, through rotating-structure, can realize the switching of different height-reducing limit station fast.
The first purpose of the present disclosure is to provide a suspension height-reducing two-stage limit structure, which adopts the following technical scheme:
the rotary frame rotates relative to the chassis to enable the pressing plate to be attached to or separated from the first supporting plate, a first limiting hole is formed in the chassis, a second limiting hole is formed in the rotary frame, and the first limiting hole and the second limiting hole are matched with a limiting pin together.
Furthermore, the two sides of the underframe corresponding to the first support plate are provided with side plates, and the rotating frame is positioned between the two side plates.
Furthermore, one end of the side plate, which is close to the first support plate, is provided with a first rotating hole, the rotating frame is provided with a second rotating hole, and the first rotating hole and the second rotating hole are coaxially matched and are jointly matched with a pin shaft.
Furthermore, the second limiting hole is formed between the second support plate and the pressing plate on the rotating frame, a rib plate is connected between the second support plate and the pressing plate, and the limiting pin penetrates through the rib plate to be matched with the first limiting hole and the second limiting hole.
Furthermore, a groove is formed in one side of the pressing plate of the rotating frame and is perpendicular to the second limiting hole in axial distribution.
Furthermore, the two sides of the rotating frame corresponding to the pressing plate are provided with side plates, and the first supporting plate is positioned between the two side plates.
Furthermore, a positioning hole is formed in the bottom frame, and the positioning hole is matched with the positioning pin to fix the rotating frame after the pressing plate is separated from the first support plate.
Furthermore, the pressing plate and the second support plate are attached, and when the pressing plate is attached to the first support plate, a force transmission structure is formed by sequentially attaching the first support plate, the pressing plate and the second support plate.
It is a second object of the present disclosure to provide a suspension including a suspension lowering secondary limit structure as described above.
Further, the chassis is installed on the suspension main part, and swing arm on the swing arm cooperation suspension height-reducing secondary limit structure's position is equipped with the blotter on the suspension on the first supporting plate orientation suspension.
Compared with the prior art, the utility model has the advantages and positive effects that:
(1) the mode that pins are matched with the rotating frame is adopted, the limiting height at the supporting position is switched, the movable limiting is convenient to disassemble and place, and the switching of different height-reducing limiting stations can be quickly realized through the rotating structure;
(2) the structure can be compatible with the requirement of height reduction of a conventional travelling crane and the requirement of large height reduction of railway flat plate transportation, has few parts, is safe and reliable, and can be used for switching the matching position of the rotating frame and the chassis after the limiting pin is pulled out, so that the switching of the first support plate or the second support plate towards the upper swing arm of the suspension is realized, the switching of conventional height reduction and large height reduction is realized, and the requirement of height reduction of travelling cranes in different states is met;
(3) the buffer cushion meeting the requirement of buffering can be installed on the upper swing arm of the suspension, and the switching secondary limit can be effectively matched with the buffer cushion, so that the secondary limit is elastic limit, the impact damage of a contact surface caused by the reduction of the buffering thickness is avoided, the buffering effect of the suspension cannot be influenced after the difference value of the secondary limit is changed, and the structure switching is convenient;
(4) through changing spacing and rotating turret complex structure, switch the spacing height of second grade, form and fall the height difference greatly, the height difference is fallen to the medium level, fall height difference second grade limit structure form for a short time, enlarged application scope, can satisfy the height reduction demand when different vehicles, different loads.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
FIG. 1 is a schematic diagram of a single-stage spacing structure of a suspension according to one or more embodiments of the present disclosure;
FIG. 2 is a schematic view of a travel height reduction limit of a suspension secondary limit structure in one or more embodiments of the present disclosure;
FIG. 3 is a schematic diagram of a railway plate transportation limit of a suspension secondary limit structure in one or more embodiments of the present disclosure;
FIG. 4 is a schematic diagram of a large step-down height difference secondary limiting structure in one or more embodiments of the present disclosure;
fig. 5 is an inverted schematic view of a large drop height difference value secondary limiting structure in one or more embodiments of the present disclosure;
FIG. 6 is a schematic diagram of a secondary limit structure for a medium drop height difference value in one or more embodiments of the present disclosure;
fig. 7 is an inverted schematic view of a secondary limit structure for a medium drop height difference value in one or more embodiments of the present disclosure;
fig. 8 is a schematic view of a small step-down height difference value secondary limiting structure in one or more embodiments of the present disclosure;
fig. 9 is a pin and hole connection diagram of a small step-down height difference secondary limiting structure in one or more embodiments of the present disclosure.
In the figure, 1, an upper swing arm, 2, a suspension main body, 3, an underframe, 4, a rotating frame, 5, a first support plate, 6, a pressing plate, 7, a second support plate, 8, a rib plate, 9, a limiting pin, 10, a pin shaft, 11, a positioning pin, 12, a positioning hole, 301, a first side plate, 302, a second side plate, 401, a first side plate, 402, a second side plate, 601 and a groove.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
For convenience of description, the words "up", "down", "left" and "right" in this disclosure, if any, merely indicate that the directions of movement are consistent with those of the figures themselves, and are not limiting in structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present disclosure.
Just as introducing in the background art, the secondary limiting device among the prior art is difficult to satisfy the demand, and the elastic buffer block is fixed on the sliding seat, and when the spacing difference of secondary was little, need attenuate buffer block thickness, influence the spacing buffering of jumping on the driving tire, to the above-mentioned problem, this disclosure provides a suspension height reduction secondary limiting structure and suspension.
Example 1
In an exemplary embodiment of the present disclosure, a suspension raising secondary limit structure is provided as shown in fig. 4-5.
Mainly include chassis 3 and rotating turret 4, the chassis is as bearing structure, and the rotating turret rotates through the round pin axle and installs on the chassis, can rotate around the chassis, changes the relative position of rotating turret and chassis to satisfy the demand of fast switch operating condition.
The chassis is provided with a first support plate 5, the rotating frame is provided with a second support plate 7 and a pressure plate 6 which are oppositely arranged, the second support plate and the pressure plate are connected through a main body structure of the rotating frame, and when the second support plate is stressed, the second support plate can be transmitted to the pressure plate through the main body structure of the rotating frame, so that load transmission is completed;
the rotating frame rotates relative to the bottom frame to enable the pressing plate to be attached to or separated from the first support plate, a first limiting hole is formed in the bottom frame, a second limiting hole is formed in the rotating frame, and the first limiting hole and the second limiting hole are matched with a limiting pin 9 together.
When the pressing plate is attached to the first support plate, a force conducting structure is formed between the rotating frame and the chassis, and when the second support plate is subjected to external force, the force is transmitted to the chassis through the rotating frame main body structure, the pressing plate and the first support plate, so that the chassis is transmitted to the suspension main body structure fixed by the chassis.
The limiting hole structure is matched with the limiting pin, and when the limiting pin is matched with the limiting hole, the fit state of the pressing plate and the first support plate is locked, so that the second support plate is in contact collision with an external structure to serve as a stressed bearing structure;
when the first limiting hole and the second limiting hole are in contact fit with the limiting pin, the rotating frame is driven to rotate relative to the chassis, the position of the rotating frame relative to the chassis is adjusted, the contact state of the pressing plate and the first support plate is released, the first support plate is exposed and directly contacts and collides with an external structure, the distance between the stress bearing structure and the external collision structure in the initial state is increased, and therefore the height reduction is increased.
As shown in fig. 4 and 5, the structure is a schematic diagram of a limiting structure with a large height difference;
one end of the chassis main body structure is used for being fixed on an external suspension main body, the other end of the chassis main body structure is used for being matched with a rotating frame, a first supporting plate is arranged on the chassis to serve as a first-stage height-reducing limiting structure, a second supporting plate is arranged on the rotating frame, when the rotating frame rotates to enable the pressing plate to be attached to the first supporting plate, the second supporting plate serves as a second-stage height-reducing limiting structure on the basis of the first supporting plate, and when the first supporting plate is attached to the pressing plate, the second supporting plate is located outside the coverage area of the first supporting plate, so that the distance between the first supporting plate and the second supporting plate is large, the height-reducing difference value is large, and a large height;
specifically, side plates are arranged on the two sides of the underframe corresponding to the first support plate, the rotating frame is located between the two side plates, and the side plates are a first side plate 301 and a second side plate 302 respectively;
when the rotating frame rotates to the state that the pressing plate is attached to the first pressing plate, part of the area of the rotating frame is located in the two side plates, the second pressing plate is located outside the area covered by the two side plates, and the distance between the second pressing plate and the first pressing plate is increased.
A first rotating hole is formed in one end, close to the first support plate, of the side plate, a second rotating hole is formed in the rotating frame, and the first rotating hole and the second rotating hole are coaxially matched and are jointly matched with a pin shaft 10;
the second limiting hole is positioned between the second support plate and the pressing plate on the rotating frame, a ribbed plate 8 is connected between the second support plate and the pressing plate, and a limiting pin penetrates through the ribbed plate to be matched with the first limiting hole and the second limiting hole;
the rotating holes are matched with the pin shafts to restrain the rotating frame, so that the position deviation of the rotating frame is avoided, and the switching of the working position of the rotating frame is facilitated.
In order to avoid the limit pin and the pin shaft from falling out of the corresponding holes during working, the tail ends of the limit pin and the pin shaft are matched with limit elements, such as pins and other structures, so that the positions of the limit pins and the pin shaft can be limited;
because the rotating frame is of a force transmission structure, the rotating frame can be impacted by bearing force, the strength of the rotating frame can be effectively increased by adding the rib plates, and excessive deformation in the bearing and limiting process is avoided.
In actual operation, the limiting pin is taken out from the limiting hole, and the rotating seat is turned over, so that the switching from secondary limiting to primary limiting can be rapidly realized.
Example 2
In another embodiment of the present disclosure, as shown in fig. 6-7, another suspension elevation lowering secondary limit structure and a suspension are provided.
The difference between the rotating frame structure and the embodiment 1 lies in that a groove is formed in one side of a pressing plate of the rotating frame, and the distance between an upper pressing plate of the rotating frame and a second support plate is smaller than that between the upper pressing plate of the rotating frame and the second support plate in the embodiment 1, so that a limiting structure with a medium height difference is formed.
In this embodiment, when the rotating frame is attached to the first support plate by the pressing plate, the rotating frame is wholly located in the coverage range of the first side plate and the second side plate, and the height reduction difference value is reduced.
The groove 601 on the pressing plate can facilitate the rotation of the force application operation rotating frame around the pressing plate.
Example 3
In another embodiment of the present disclosure, as shown in fig. 8-9, another suspension elevation lowering secondary limit structure and a suspension are provided.
The difference between the two side plates is that the rotating frame structure is different from that of embodiment 1, in this embodiment, a first side plate 401 and a second side plate 402 are arranged on two sides of the rotating frame corresponding to the pressing plate, and the first supporting plate is located between the two side plates;
when the pressing plate is attached to the first support plate, the rotating frame wraps the pressing plate; the second support plate replaces the second support plate to contact the loading of the external collision structure, so that a primary limiting structure is formed;
a positioning hole 12 is formed in the bottom frame, and the positioning hole is matched with a positioning pin 11 to fix the rotating frame after the pressing plate is separated from the first support plate; when the pressing plate is released from the attaching state with the first support plate, the positioning pin and the pin shaft are simultaneously pulled out, so that the positioning pin penetrates through a hole position on the rotating frame, which is matched with the rotating hole, to be matched with the positioning hole, and the pin shaft penetrates through a second limiting hole to be matched with the rotating hole, so that the rotating frame is integrally fixed on one side of the underframe;
so that the first support plate is exposed to form a secondary limiting structure.
In this embodiment, the pressing plate and the second support plate are attached to each other, and when the pressing plate is attached to the first support plate, a structure is formed in which the first support plate, the pressing plate and the second support plate are sequentially attached to each other to transfer force;
because the second support plate is directly attached to and connected with the pressing plate, the distance between the second support plate and the first support plate is the minimum, and therefore the limiting structure with small height difference is formed.
Example 4
In another exemplary embodiment of the present disclosure, as shown in fig. 1-9, a suspension is provided that utilizes a suspension lowering two-step limit structure as described in examples 1, 2, and 3.
As shown in fig. 1, in the conventional suspension single-stage limiting structure, an elastic rubber block is fixed on a frame to provide a conventional driving single-stage limiting, which cannot meet the requirement of large reduction amount of railway slab transportation;
as shown in fig. 2, in the suspension secondary limiting structure, an elastic rubber block is fixed on an upper swing arm and swings along with the upper swing arm, so that the height of a conventional travelling crane is reduced, the requirement of the conventional travelling crane is met, and the suspension is limited to be reduced by flexibly contacting a limiting surface of a movable seat;
as shown in figure 3, the suspension frame secondary limiting structure is used for lowering the height of a railway slab, an elastic rubber block fixed on an upper swing arm is in flexible contact with a base limiting surface, and an automobile body is elastically supported to avoid impact damage of a contact surface.
Selecting the limit structures of the height difference, the middle difference and the height difference of the embodiment 1, 2 and 3 according to requirements; when the suspension is installed, the underframe is installed on the suspension main body 2, the first supporting plate faces the upper swing arm 1 of the suspension, and a cushion pad is arranged at the position of the upper swing arm of the suspension, which is matched with the secondary height-reducing limiting structure of the suspension;
can install the blotter that satisfies the demand buffering demand on swing arm 1 on the suspension, switch the spacing homoenergetic of second grade and realize effective cooperation with the blotter to it is spacing to make the second grade spacing be elasticity, avoids leading to the contact surface impact damage because of buffering thickness reduction, and the spacing difference of second grade changes the back, can not influence the buffering effect of suspension yet, and the structure switches conveniently.
During switching, pulling out the corresponding limiting pin, turning over or adjusting the position of the rotating frame to expose the first support plate, and improving the height reduction value of the first support plate, so that the requirement of large height reduction of railway flat plate transportation is met;
the reversing rotation or the return rotating turret position for the second extension board replaces first extension board and blotter contact, reduces its value of falling to height, satisfies conventional driving and falls the high demand.
The mode that pins are matched with the rotating frame is adopted, the limiting height at the supporting position is switched, the movable limiting is convenient to disassemble and place, and the switching of different height-reducing limiting stations can be quickly realized through the rotating structure;
this structure can compatible conventional driving and reduce high demand and the dull and stereotyped transportation of railway and fall high demand greatly, and part kind is few, safe and reliable, extracts the spacer pin after, the cooperation position of upset rotating turret switching and chassis to realize first extension board or second extension board swing arm on the suspension's switching, realize that the conventionality is fallen high and is fallen high the switching greatly, satisfy the height reduction demand of driving under the different states.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (10)
1. The utility model provides a suspension height-reducing secondary limit structure, its characterized in that, is equipped with first extension board including rotating chassis and the rotating turret of connecting, is equipped with second extension board, the clamp plate of mutual disposition on the rotating turret, and the rotating turret rotates for the chassis and makes the clamp plate laminating or break away from first extension board, is equipped with first spacing hole on the chassis, is equipped with the spacing hole of second on the rotating turret, and first spacing hole, the common cooperation in the spacing hole of second have a spacing round pin.
2. The suspension frame height-reducing secondary limiting structure as claimed in claim 1, wherein the bottom frame is provided with side plates corresponding to two sides of the first support plate, and the rotating frame is located between the two side plates.
3. The suspension height-reducing secondary limit structure as claimed in claim 2, wherein the side plate has a first rotation hole at an end thereof adjacent to the first support plate, and the rotating frame has a second rotation hole, and the first rotation hole and the second rotation hole are coaxially engaged and are jointly engaged with a pin.
4. The suspension height-reducing secondary limiting structure as claimed in claim 3, wherein the second limiting hole is located between the second support plate and the pressing plate on the rotating frame, a rib plate is connected between the second support plate and the pressing plate, and the limiting pin penetrates through the rib plate to be matched with the first limiting hole and the second limiting hole.
5. The suspension height-reducing secondary limit structure as claimed in claim 2, wherein a groove is formed on one side of the pressure plate of the rotating frame, and the groove is distributed in an axial direction perpendicular to the second limit hole.
6. The suspension height-reducing secondary limit structure as claimed in claim 1, wherein the rotating frame is provided with side plates corresponding to two sides of the pressure plate, and the first support plate is located between the two side plates.
7. The suspension frame height-reducing secondary limiting structure according to claim 6, wherein a positioning hole is formed in the bottom frame, and the positioning hole cooperates with the positioning pin to fix the rotating frame after the pressing plate is separated from the first supporting plate.
8. The suspension frame height-reducing secondary limit structure as claimed in claim 6, wherein the pressing plate and the second support plate are attached to each other, and when the pressing plate is attached to the first support plate, a structure for force transmission is formed by sequentially attaching and arranging the first support plate, the pressing plate and the second support plate.
9. A suspension comprising a suspension elevation lowering secondary limit structure as claimed in any one of claims 1 to 8.
10. The suspension of claim 9 wherein the chassis is mounted to the suspension body with the first support plate facing the upper swing arm of the suspension, the upper swing arm of the suspension having a cushion at a location to engage the secondary suspension elevation limit feature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021587981.1U CN212796433U (en) | 2020-08-03 | 2020-08-03 | Suspension height-reducing secondary limiting structure and suspension |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021587981.1U CN212796433U (en) | 2020-08-03 | 2020-08-03 | Suspension height-reducing secondary limiting structure and suspension |
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| CN212796433U true CN212796433U (en) | 2021-03-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320343A (en) * | 2021-06-03 | 2021-08-31 | 泰安航天特种车有限公司 | Independent suspension system of amphibious vehicle and control method |
| CN114228422A (en) * | 2021-11-18 | 2022-03-25 | 北京航天发射技术研究所 | Spacing adjustable suspension system and vehicle |
-
2020
- 2020-08-03 CN CN202021587981.1U patent/CN212796433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320343A (en) * | 2021-06-03 | 2021-08-31 | 泰安航天特种车有限公司 | Independent suspension system of amphibious vehicle and control method |
| CN114228422A (en) * | 2021-11-18 | 2022-03-25 | 北京航天发射技术研究所 | Spacing adjustable suspension system and vehicle |
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