CN108674109B - High-strength multifunctional triangular arm assembly - Google Patents
High-strength multifunctional triangular arm assembly Download PDFInfo
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- CN108674109B CN108674109B CN201810581771.2A CN201810581771A CN108674109B CN 108674109 B CN108674109 B CN 108674109B CN 201810581771 A CN201810581771 A CN 201810581771A CN 108674109 B CN108674109 B CN 108674109B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
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Abstract
The invention discloses a high-strength multifunctional triangular arm assembly, which comprises: the triangular arm body comprises a first arm and a second arm, wherein one end of the first arm and one end of the second arm are hinged, and the other end of the first arm and the other end of the second arm are respectively provided with a rubber bushing to be connected with the frame; the hinged part of the two is connected with the automobile bulb; the two sleeves are respectively and movably hinged to the middle parts of the first arm and the second arm, and internal threads with opposite rotation directions are respectively arranged in the two sleeves; two ends of the connecting rod are respectively sleeved with external threads with opposite rotation directions; the two sleeves are respectively sleeved at the two ends of the connecting rod in a threaded manner. The mounting size of the triangular arm can be adjusted within a certain range along with actual requirements, and the problems caused by looseness or forced loading of the triangular arm are avoided.
Description
Technical Field
The invention relates to the field of triangular arms. More particularly, the present invention relates to a high strength multi-functional triangular arm assembly.
Background
The triangular arm assembly for the automobile mainly bears the steering and supporting functions of a suspension system, is one of the most important parts in the suspension system, mainly plays a role in supporting and transmitting load, controlling the movement track of wheels and steering in the driving process of the automobile, and plays a key role in the operation stability, driving smoothness and safety of the automobile.
The suspension ball head on the triangular arm is connected with the steering knuckle, the rubber bushing on the triangular arm is connected with the frame, and the deviation of the manufacturing sizes of the steering knuckle, the frame and the triangular arm can cause the situation that the triangular arm cannot be correctly loaded or forcibly loaded or cannot be loaded at all, so that the early failure modes of abnormal wear, looseness, abnormal sound and the like of the triangular arm can be caused once the situation that the triangular arm cannot be correctly loaded or forcibly loaded occurs, the normal driving and the driving safety of a driver are influenced, and the riding comfort is greatly reduced. Therefore, the triangular arm assembly for the automobile, the installation size of which can be adjusted within a certain range, is designed, so that the problems can be effectively prevented, and correct and smooth loading is ensured.
Disclosure of Invention
The invention provides a triangular arm assembly, which can be adjusted in a certain range along with actual requirements, and avoids the problems caused by looseness or forced loading of a triangular arm.
In order to achieve the above object, the present invention provides a high-strength multifunctional triangular arm assembly, comprising:
the triangular arm body comprises a first arm and a second arm, wherein one end of the first arm and one end of the second arm are hinged, and the other end of the first arm and the other end of the second arm are respectively provided with a rubber bushing to be connected with the frame; the hinged part of the two is connected with the automobile bulb;
the two sleeves are respectively and movably hinged to the middle parts of the first arm and the second arm, and internal threads with opposite rotation directions are respectively arranged in the two sleeves;
two ends of the connecting rod are respectively sleeved with external threads with opposite rotation directions; the two sleeves are respectively sleeved at the two ends of the connecting rod in a threaded manner;
the rubber bushing includes:
the umbrella-shaped fixing structure comprises a fixing rod, a plurality of fixing pieces and limiting pieces, wherein the fixing pieces and the limiting pieces are respectively fixed at the top end and the bottom end of the fixing rod; the fixing pieces are obliquely arranged, one end of each fixing piece is hinged to the top end of the fixing rod, the other end of each fixing piece is far away from the fixing rod, and a third spring is connected between the middle part of each fixing piece and the fixing rod; the plurality of fixing pieces are spliced into a conical structure;
the bushing inner ring is of a cylindrical ring structure made of rubber, and is annularly attached and wrapped outside the fixed rod; a plurality of annular fixing frames are sleeved on the outer side wall of the inner ring of the bushing at intervals along the height direction of the inner ring;
the bushing outer ring comprises a conical upper part and a cylindrical ring lower part, the conical upper part is attached to the outer surface of a conical structure formed by splicing a plurality of fixing pieces, and rubber is filled in the conical upper part except for the fixing pieces and the third spring; the lower part of the cylindrical ring is sleeved outside the inner ring of the bushing in an interval ring manner; liquid is filled in the space between the bushing outer ring and the bushing inner ring; the diameter of the bottom of the upper part of the outer ring of the bushing is larger than that of the lower part of the outer ring of the bushing;
the bottom clamping ring is fixed at the bottoms of the bushing outer ring and the bushing inner ring, the limiting sheet is wrapped in the bottom clamping ring, and the diameter of the bottom clamping ring is larger than that of the lower part of the bushing outer ring;
there is also a cooling device comprising:
the shell is vertically fixed on the lower surface of the triangular arm body and is of a cylindrical structure; the upper part of the shell is communicated with one end of a gas pipeline, and the other end of the gas pipeline faces the direction of a tire; the bottom of the shell is provided with an exhaust hole;
a first piston which is located in the housing and reciprocates up and down along the height direction of the housing;
one end of the first piston rod is fixed at the bottom of the piston, the other end of the first piston rod penetrates through the shell to be connected with a first buffer plate positioned outside, and one end of the first piston rod, which is close to the first buffer plate, is linearly connected with a first spring; the first buffer plate is of an arc-shaped structure with a concave middle part and protruding peripheries and is supported by a rubber material;
the frame body is vertically fixed on the lower surface of the triangular arm body and sleeves the shell; the side wall of the frame body is provided with a slide rail along the height direction;
one ends of the at least two second springs are symmetrically and downwards connected to the lower surface of the triangular arm body, and the other ends of the second springs are connected with the limiting movable plate;
the limiting movable plate is horizontally clamped in the frame body and moves up and down along the sliding rail; the limiting movable plate is fixed at the junction of the first piston rod and the second spring.
Preferably, multi-functional triangle arm assembly of high strength, first arm and second arm one end are articulated, and the car bulb is connected to the articulated department of the two, specifically is: one end of each of the first arm and the second arm extends outwards to form a plurality of block-shaped bulges which are spaced from each other, a block-shaped first groove is formed between every two adjacent block-shaped bulges, the block-shaped first groove is matched with the block-shaped bulges, and the surface of each block-shaped bulge is provided with a through hole for accommodating the connecting column; the block-shaped bulges of the first arm and the second arm are matched with the block-shaped first grooves in a clamping manner, the through holes of the block-shaped bulges are overlapped, and the connecting column is screwed into the through holes to realize the hinging of the first arm and the second arm;
the top ends of the connecting columns are respectively sunken inwards to form mounting blind holes for mounting the automobile ball heads, and the bottom ends of the connecting columns are sunken inwards to form square second grooves; the mounting blind hole is communicated with the second groove through an oil channel,
the second piston is clamped in the square second groove and moves along the depth direction of the second piston; a sponge block which is full of lubricating oil is filled in a space above the second piston of the square second groove;
one end of the fourth spring is fixed on the lower surface of the second piston, and the other end of the fourth spring is fixed on the upper part of the second buffer plate;
the bottom of the connecting column is provided with a limiting block for limiting the second piston; and a fifth spring is connected between the limiting block and the bottom of the second piston.
Preferably, the high-strength multifunctional triangular arm assembly is characterized in that the triangular arm body, the sleeve and the connecting rod are all made of stainless steel, and the stainless steel comprises the following components in percentage by mass: 12% of Cr, 10% of Ni, 0.05% of C, 1.8% of Mn1, 1.2% of V, 0.6% of W, 2.3% of Mo, 1.9% of Pd, 0.08% of Y, 0.12% of Td, 0.09% of Rh, and the balance of Fe and inevitable impurities;
the stainless steel is prepared by the following method:
mixing the Cr, Ni, C, Mn and Fe with inevitable impurities in mass percent, adding the mixture into a smelting furnace, keeping the atmosphere of nitrogen, heating to 1100 ℃, keeping the temperature for 1h, heating to 1300 ℃, keeping the temperature for 3h, naturally cooling to 1200 ℃, and keeping the temperature for 2 h; placing in a vacuum environment for 8h, keeping the temperature at 1200 ℃ in the process, and carrying out magnetic stirring in the placing process to obtain first molten steel;
adding V, W, Mo, Pd, Y, Td and Rh in mass percent into the first molten steel, heating to 1500 ℃, keeping for 1.5h, heating to 1600 ℃, keeping for 3h, naturally cooling to 1800 ℃, and keeping for 4 h; placing the mixture in a vacuum environment for 8 hours, keeping the temperature at 1800 ℃, performing magnetic stirring in the whole placing process, then continuously placing the mixture in the vacuum environment, and standing the mixture for 1 hour without heating to obtain second molten steel;
step two, injecting the second molten steel into an ingot mold, and condensing into a steel ingot;
step three, carrying out annealing treatment on the steel ingot at the temperature of 1000-1200 ℃ for 1-2 hours;
and step four, placing the annealed steel ingot at 700 ℃ for heat preservation for 2h, and cooling to normal temperature to obtain the stainless steel.
Preferably, the first arm and the second arm of the high-strength multifunctional triangular arm assembly are provided with 2-3 lightening holes.
Preferably, the surface of the high-strength multifunctional triangular arm assembly is coated with a corrosion-resistant coating with the thickness of 2-3 mm.
The invention at least comprises the following beneficial effects: the mounting size of the triangular arm can be adjusted within a certain range along with actual requirements, and the problems caused by looseness or forced loading of the triangular arm are avoided.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of the overall structure of a triangular arm according to the present invention;
FIG. 2 is a schematic structural view of a rubber bushing according to the present invention;
FIG. 3 is a schematic side cross-sectional view of a cooling apparatus according to the present invention;
FIG. 4 is a schematic illustration of an articulated relationship of a first arm and a second arm in another embodiment;
FIG. 5 is a schematic view of the connecting column of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the present invention provides a high-strength multifunctional triangular arm assembly, comprising: a triangular arm body 1 including a first arm 110 and a second arm 120 having one ends hinged and the other ends respectively provided with rubber bushings 2 to be connected with a frame; and the hinged part of the two is connected with the automobile bulb 3; the two sleeves 4 are respectively and movably hinged to the middle parts of the first arm 110 and the second arm 120, and internal threads with opposite rotation directions are respectively arranged in the two sleeves 4; two ends of the connecting rod 5 are respectively sleeved with external threads with opposite rotation directions; the two sleeves 4 are respectively sleeved at two ends of the connecting rod 5 in a threaded manner; in the actual use process of the triangular arm, the distance between the two sleeves 4 can be close to or far away from each other by rotating the connecting rod 5 according to actual requirements, so that the included angle between the first arm 110 and the second arm 120 is adjusted, the change of the installation size of the whole triangular arm is changed, and the triangular arm is convenient and practical.
As shown in fig. 2, the rubber bushing 2 is mounted on a bushing mounting hole of the first wall 110 or the second wall 120; wherein the rubber bushing 2 includes:
an umbrella-shaped fixing structure, which comprises a fixing rod 210, a plurality of fixing pieces 220 and a limiting piece 230, wherein the fixing pieces 220 and the limiting piece 230 are respectively fixed at the top end and the bottom end of the fixing rod; wherein, the fixing plate 220 is obliquely arranged, one end of the fixing plate is hinged to the top end of the fixing rod 210, the other end of the fixing plate is far away from the fixing rod 220, and a third spring 240 is connected between the middle part of each fixing plate 220 and the fixing rod 210; the plurality of fixing pieces 220 are spliced into a conical structure; the bushing inner ring 250 is a cylindrical ring structure made of rubber, and the bushing inner ring 250 is annularly attached to and wraps the outside of the fixing rod 220; a plurality of annular fixing frames 260 are sleeved on the outer side wall of the bushing inner ring 250 at intervals along the height direction of the bushing inner ring; a bushing outer ring 270 including a conical upper portion attached to an outer surface of a conical structure formed by joining the plurality of fixing pieces 230 and a lower portion of the cylindrical ring, wherein a space except the fixing pieces 230 and the third spring 240 is filled with rubber in the conical upper portion; the lower part of the cylindrical ring is sleeved outside the lining inner ring 250 in an interval ring way; the space between the bushing outer ring 270 and the bushing inner ring 250 is filled with liquid; the bottom clamping ring 280 is fixed at the bottoms of the lining outer ring 270 and the lining inner ring 250 and wraps the limiting sheet 220 in the bottom clamping ring 280, and the diameter of the bottom clamping ring 280 is larger than that of the lower 270 part of the lining outer ring; when the rubber bushing is actually used, the conical upper part of the bushing outer ring 270 penetrates into the bushing mounting hole of the triangular arm, and then the first step 240 and the fixing piece 220 are extruded to deform and fold along the center, so that the rubber bushing can smoothly enter the mounting hole, and after the conical upper part of the bushing outer ring 270 penetrates out of the mounting hole, the rubber bushing can recover to deform, so that the rubber bushing is limited and clamped, and due to the further clamping of the bottom clamping ring 280, the bidirectional limiting can be realized, and the mounting is more stable.
There is also a cooling device, as shown in fig. 3, comprising: the shell 6 is vertically fixed on the lower surface of the triangular arm body and is of a cylindrical structure; the bottom of the shell 6 is provided with an exhaust hole 610; the upper part of the shell is communicated with one end of a gas pipeline 7, and the other end of the gas pipeline 7 faces to the direction of a tire; a first piston 8 located in the housing 6 and reciprocating up and down in the height direction of the housing 6; a first piston rod 9, one end of which is fixed at the bottom of the first piston 8, and the other end of which penetrates out of the housing 6 and is connected with a first buffer plate 10 located outside, wherein one end of the first piston rod 9, which is close to the first buffer plate 10 (made of harder rubber material), is linearly connected with a first spring 11; the first buffer plate 10 is of an arc-shaped structure with a concave middle part and protruding peripheries and is supported by a rubber material; the frame body 12 is vertically fixed on the lower surface of the triangular arm body and is used for sleeving the shell body; the side wall of the frame body is provided with a slide rail along the height direction; one ends of the at least two second springs 13 are symmetrically and downwards connected to the lower surface of the triangular arm body 1, and the other ends of the second springs 13 are connected with a limiting movable plate; the limiting movable plate 15 is horizontally clamped in the frame body 12 and moves up and down along the slide rail; the limit movable plate 15 is fixed at the junction of the first piston rod 9 and the second spring 13. The cooling device can cool the tire, when the road surface is convex, the first buffer plate 10 can contact with the ground surface to be extruded, so that the first spring 11 deforms and contracts upwards, then the first piston rod 9 drives the first piston 8 to move upwards, and the extrusion can compress the gas above the first piston 8 in the shell 6, so that the gas is discharged through the gas pipeline 7 to cool the tire; and because preceding extrusion process will make second spring 13 save energy, thereby take place to bounce-back, its downstream, thereby drive spacing fly leaf 15, and then drive first piston rod 9, first piston 8 downstream in proper order, under the action of gravity, second spring 13 will be elongated, its rebounds once more, upward movement, thereby drive first piston 8 upward movement once more, gas is extruded outside through gas pipeline 7 discharge, and the circulation is reciprocal, can carry out a lot of and cool down the processing to the tire.
In another embodiment, as shown in fig. 4, in the high-strength multifunctional triangular arm assembly, one end of the first arm 110 is hinged to one end of the second arm 120, and the hinged portion of the first arm 110 and the second arm 120 is connected to a ball head of an automobile, specifically: one end of each of the first arm 110 and the second arm 120 extends outwards to form a plurality of block-shaped protrusions spaced from each other, a block-shaped first groove is formed between every two adjacent block-shaped protrusions, the block-shaped first groove is matched with the block-shaped protrusions, and a through hole for accommodating the connecting column 130 is formed in the surface of each block-shaped protrusion; the block-shaped protrusions and the block-shaped first grooves of the first arm 110 and the second arm 120 are matched and clamped with each other, and through holes of the block-shaped protrusions are overlapped, and the connecting column 130 is screwed into the through holes, so that the first arm 110 and the second arm 120 are hinged; this is achieved to ensure that the first arm 110 and the second arm 120 are at the same time as the living hinge is being achieved, yet are highly flush and do not interfere with their use.
As shown in fig. 4, the top ends of the connecting columns 130 are respectively recessed inwards to form blind mounting holes 131 for mounting the automobile ball head, and the bottom ends of the connecting columns 130 are recessed inwards to form square second grooves 132; the mounting blind hole 131 is communicated with the second groove 132 through an oil passage 133, and the second piston 16 is clamped in the square second groove 132 and moves along the depth direction of the square second groove; the space above the second piston 16 of the square second groove 132 is filled with a sponge block 17 stained with lubricating oil; a fourth spring 18 having one end fixed to a lower surface of the second piston 16 and the other end fixed to an upper portion of the second buffer plate 19; the bottom of the connecting column 130 is provided with a limiting block 20 for limiting the second piston 16; and a fifth spring 21 is connected between the limiting block 20 and the bottom of the second piston 16. The second damping plate 19 is of the same construction as the first damping plate 10, except for the size difference. Here, when the road surface appears protruding, at first buffer board 10 can contact the ground arch, takes place the extrusion to fourth spring 18 takes place deformation upwards compression, promotes second piston 16 upward movement, extrudees sponge 17, goes out lubricating oil extrusion wherein, and at this in-process, fifth spring 21 will be stretched and elongated, then lubricating oil enters into installation blind hole 131 through oil duct 133, lubricates the junction of car bulb. When the fifth spring 21 is deformed to the extreme, it will rebound, pulling the second piston 16 back, cycling back and forth. Here, when the vehicle ball is installed in the installation blind hole 131, complete sealing cannot be achieved, and communication with the atmosphere can be achieved.
In another embodiment, the high-strength multifunctional triangular arm assembly is characterized in that the triangular arm body, the sleeve and the connecting rod are all made of stainless steel, and the stainless steel comprises the following components in percentage by mass: cr 12%, Ni 10%, C0.05%, Mn 1.8%, V1.2%, W0.6%, Mo 2.3%, Pd 1.9%, Y0.08%, Td 0.12%, and rh0.09%, the balance being Fe and unavoidable impurities;
the stainless steel is prepared by the following method: mixing the Cr, Ni, C, Mn and Fe with inevitable impurities in mass percent, adding the mixture into a smelting furnace, keeping the atmosphere of nitrogen, heating to 1100 ℃, keeping the temperature for 1h, heating to 1300 ℃, keeping the temperature for 3h, naturally cooling to 1200 ℃, and keeping the temperature for 2 h; placing in a vacuum environment for 8h, keeping the temperature at 1200 ℃ in the process, and carrying out magnetic stirring in the placing process to obtain first molten steel; adding V, W, Mo, Pd, Y, Td and Rh in mass percent into the first molten steel, heating to 1500 ℃, keeping for 1.5h, heating to 1600 ℃, keeping for 3h, naturally cooling to 1800 ℃, and keeping for 4 h; placing the mixture in a vacuum environment for 8 hours, keeping the temperature at 1800 ℃, performing magnetic stirring in the whole placing process, then continuously placing the mixture in the vacuum environment, and standing the mixture for 1 hour without heating to obtain second molten steel; step two, injecting the second molten steel into an ingot mold, and condensing into a steel ingot; step three, carrying out annealing treatment on the steel ingot at the temperature of 1000-1200 ℃ for 1-2 hours; and step four, placing the annealed steel ingot at 700 ℃ for heat preservation for 2h, and cooling to normal temperature to obtain the stainless steel.
In order to prove the superiority of the stainless steel prepared by the invention, the mechanical property of the stainless steel is tested and compared with the common 304 stainless steel on the market, and the comparison result is as follows,
TABLE 1 comparison of Room temperature mechanical Properties test results for stainless steels of the invention and comparative examples
| Stainless steel | Tensile strength/MPa | Yield strength/MPa |
| Examples | 598 | 286 |
| Comparative example | 520 | 210 |
As can be seen from Table 1, the stainless steel of the present invention has greatly improved tensile strength and yield strength, higher strength and more excellent performance compared with the common 304 stainless steel on the market.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (5)
1. A high-strength multifunctional triangular arm assembly, comprising:
the triangular arm body comprises a first arm and a second arm, wherein one end of the first arm and one end of the second arm are hinged, and the other end of the first arm and the other end of the second arm are respectively provided with a rubber bushing to be connected with the frame; the hinged part of the two is connected with the automobile bulb;
the two sleeves are respectively and movably hinged to the middle parts of the first arm and the second arm, and internal threads with opposite rotation directions are respectively arranged in the two sleeves;
two ends of the connecting rod are respectively sleeved with external threads with opposite rotation directions; the two sleeves are respectively sleeved at the two ends of the connecting rod in a threaded manner;
the rubber bushing includes:
the umbrella-shaped fixing structure comprises a fixing rod, a plurality of fixing pieces and limiting pieces, wherein the fixing pieces and the limiting pieces are respectively fixed at the top end and the bottom end of the fixing rod; the fixing pieces are obliquely arranged, one end of each fixing piece is hinged to the top end of the fixing rod, the other end of each fixing piece is far away from the fixing rod, and a third spring is connected between the middle part of each fixing piece and the fixing rod; the plurality of fixing pieces are spliced into a conical structure;
the bushing inner ring is of a cylindrical ring structure made of rubber, and is annularly attached and wrapped outside the fixed rod; a plurality of annular fixing frames are sleeved on the outer side wall of the inner ring of the bushing at intervals along the height direction of the inner ring;
the bushing outer ring comprises a conical upper part and a cylindrical ring lower part, the conical upper part is attached to the outer surface of a conical structure formed by splicing a plurality of fixing pieces, and rubber is filled in the conical upper part except for the fixing pieces and the third spring; the lower part of the cylindrical ring is sleeved outside the inner ring of the bushing in an interval ring manner; liquid is filled in the space between the bushing outer ring and the bushing inner ring; the diameter of the bottom of the upper part of the outer ring of the bushing is larger than that of the lower part of the outer ring of the bushing;
and the bottom clamping ring is fixed at the bottoms of the bushing outer ring and the bushing inner ring and wraps the limiting sheet in the bottom clamping ring, and the diameter of the bottom clamping ring is larger than that of the lower part of the bushing outer ring.
2. The multi-functional high strength triangular arm assembly according to claim 1, further comprising a cooling device comprising:
the shell is vertically fixed on the lower surface of the triangular arm body and is of a cylindrical structure; the upper part of the shell is communicated with one end of a gas pipeline, and the other end of the gas pipeline faces the direction of a tire; the bottom of the shell is provided with an exhaust hole;
a first piston which is located in the housing and reciprocates up and down along the height direction of the housing;
one end of the first piston rod is fixed at the bottom of the piston, the other end of the first piston rod penetrates through the shell to be connected with a first buffer plate positioned outside, and one end of the first piston rod, which is close to the first buffer plate, is linearly connected with a first spring; the first buffer plate is of an arc-shaped structure with a concave middle part and protruding peripheries and is supported by a rubber material;
the frame body is vertically fixed on the lower surface of the triangular arm body and sleeves the shell; the side wall of the frame body is provided with a slide rail along the height direction;
one ends of the at least two second springs are symmetrically and downwards connected to the lower surface of the triangular arm body, and the other ends of the second springs are connected with the limiting movable plate;
the limiting movable plate is horizontally clamped in the frame body and moves up and down along the sliding rail; the limiting movable plate is fixed at the junction of the first piston rod and the second spring.
3. The multifunctional high-strength triangular arm assembly according to claim 1, wherein one end of the first arm and one end of the second arm are hinged, and the hinged position of the first arm and the second arm is connected with a ball head of an automobile, specifically: one end of each of the first arm and the second arm extends outwards to form a plurality of block-shaped bulges which are spaced from each other, a block-shaped first groove is formed between every two adjacent block-shaped bulges, the block-shaped first groove is matched with the block-shaped bulges, and the surface of each block-shaped bulge is provided with a through hole for accommodating the connecting column; the block-shaped bulges of the first arm and the second arm are matched with the block-shaped first grooves in a clamping manner, the through holes of the block-shaped bulges are overlapped, and the connecting column is screwed into the through holes to realize the hinging of the first arm and the second arm;
the top ends of the connecting columns are respectively sunken inwards to form mounting blind holes for mounting the automobile ball heads, and the bottom ends of the connecting columns are sunken inwards to form square second grooves; the mounting blind hole is communicated with the second groove through an oil duct;
the second piston is clamped in the square second groove and moves along the depth direction of the second piston; a sponge block which is full of lubricating oil is filled in a space above the second piston of the square second groove;
one end of the fourth spring is fixed on the lower surface of the second piston, and the other end of the fourth spring is fixed on the upper part of the second buffer plate;
the bottom of the connecting column is provided with a limiting block for limiting the second piston; and a fifth spring is connected between the limiting block and the bottom of the second piston.
4. The multifunctional high-strength triangular arm assembly according to claim 1, wherein the first arm and the second arm are provided with 2-3 lightening holes.
5. The high-strength multifunctional triangular arm assembly according to claim 1, wherein the surface of the triangular arm main body is coated with a corrosion-resistant coating with a thickness of 2-3 mm.
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| CN201810581771.2A CN108674109B (en) | 2018-06-07 | 2018-06-07 | High-strength multifunctional triangular arm assembly |
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| CN201810581771.2A CN108674109B (en) | 2018-06-07 | 2018-06-07 | High-strength multifunctional triangular arm assembly |
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| CN108674109B true CN108674109B (en) | 2020-02-18 |
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|---|---|---|---|---|
| JP2008184147A (en) * | 2007-01-31 | 2008-08-14 | Aisin Seiki Co Ltd | Alignment control device |
| CN103534109A (en) * | 2011-05-16 | 2014-01-22 | 日本精工株式会社 | Suspension device for vehicle |
| JP2014004843A (en) * | 2012-06-21 | 2014-01-16 | Nsk Ltd | Origin detection method of suspension device for vehicle |
| CN104565185A (en) * | 2014-12-26 | 2015-04-29 | 宁波拓普集团股份有限公司 | Hydraulic bushing |
| CN107606015A (en) * | 2017-08-31 | 2018-01-19 | 安徽江淮汽车集团股份有限公司 | A kind of leaf spring bush Assembly |
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|---|---|
| CN108674109A (en) | 2018-10-19 |
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Address after: 430040 No.9 (10), Jinbei 1st Road, Dongxihu District, Wuhan City, Hubei Province Patentee after: Dongshi (Wuhan) Industrial Co.,Ltd. Address before: 430040 No.9 (10), Jinbei 1st Road, Dongxihu District, Wuhan City, Hubei Province Patentee before: DONGFENG (WUHAN) INDUSTRIAL Co.,Ltd. |
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