CN212353613U - Convenient type auxiliary suspension structure of gearbox - Google Patents
Convenient type auxiliary suspension structure of gearbox Download PDFInfo
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- CN212353613U CN212353613U CN202021110416.6U CN202021110416U CN212353613U CN 212353613 U CN212353613 U CN 212353613U CN 202021110416 U CN202021110416 U CN 202021110416U CN 212353613 U CN212353613 U CN 212353613U
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Abstract
A convenient auxiliary suspension structure of a gearbox comprises a cross beam, wherein two ends of the cross beam are respectively fixed on a left longitudinal beam and a right longitudinal beam; the middle part of crossbeam passes through hoist and mount bolt and suspension cushion assembly fixed connection, the middle part of suspension cushion assembly is connected with the upper end of linking bridge through the bolt, the lower extreme of linking bridge is connected with the top of gearbox casing. This design not only structural design is reasonable, effectively promotes whole car travelling comfort, is convenient for fall the dress moreover, and assembly efficiency is high.
Description
Technical Field
The utility model relates to a suspension structure is assisted to convenient type gear box, the compact arrangement suspension structure of specifically being applicable to, improvement damping performance.
Background
At present, along with the upgrading of emission and the continuous improvement of the power per liter of an engine, the development of domestic heavy-duty light trucks is extremely rapid, the heavy-duty light trucks have the characteristic of low-speed and high-torque output, and meanwhile, users also put more rigorous requirements on the comfort of the heavy-duty light trucks, so that front suspension cushions are soft and easy to tear. At present, with the continuous improvement of the output torque of the same type engine and the common use of a power takeoff and a transfer case, the volume and the mass of a gearbox matched with a heavy-load light-truck power assembly are also rapidly increased, so that an auxiliary suspension is required to be additionally arranged on the gearbox to ensure the reliability of a power assembly suspension system.
The traditional auxiliary suspension structure of the gearbox is generally characterized in that a steel plate spring type cross beam is fixed on the gearbox by using a switching support, and then two ends of the cross beam are supported by two vulcanization brackets fixed on a frame longitudinal beam to achieve the effect of auxiliary support of a power assembly. This kind of connected mode not only can cause the auxiliary stay crossbeam installation difficulty because of the manufacturing error of front and back suspension cushion, can cause the rear beam rearward movement in power assembly chamber because of installing the auxiliary stay crossbeam additional simultaneously, leads to not enough such as the facial make-up installation space of goods railway carriage or compartment lifting mechanism class.
Therefore, it is necessary to provide a convenient gearbox auxiliary suspension mechanism to overcome the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims at overcoming the problem that the arrangement space that exists is big, inconvenient installation among the prior art, providing a compact arrangement, be convenient for fall the convenient type auxiliary suspension structure of speed changing box who adorns.
In order to achieve the above purpose, the technical solution of the utility model is that:
a convenient auxiliary suspension structure of a gearbox comprises a cross beam 2, two ends of which are respectively fixed on a left longitudinal beam 4 and a right longitudinal beam 5;
the middle part of the beam 2 is fixedly connected with the suspension cushion assembly 1 through a hoisting bolt 23, the middle part of the suspension cushion assembly 1 is connected with the upper end of the connecting bracket 3 through a bolt 31, and the lower end of the connecting bracket 3 is connected with the top of the gearbox shell;
the suspension cushion assembly 1 comprises a top plate 11, a left side plate 12, a right side plate 13, a suspension outer sleeve 14, a suspension inner sleeve 15 and a suspension cushion 16, wherein the two sides of the top plate 11 are respectively and vertically connected with the left side plate 12 and the right side plate 13, the bottoms of the left side plate 12 and the right side plate 13 are respectively connected with the outer wall of the suspension outer sleeve 14, the inner wall of the suspension outer sleeve 14 and the suspension cushion 16 are vulcanized into a whole, and the outer wall of the suspension inner sleeve 15 is arranged in the middle of the suspension cushion 16;
the top of the suspension cushion 16 is of a protruding trapezoid rubber structure, the inner wall of the top of the suspension outer sleeve 14 is provided with an upper limiting cushion 17, and the bottom of the upper limiting cushion 17 is provided with a trapezoid groove structure matched with the trapezoid structure at the top of the suspension cushion 16;
the bottom of the suspension cushion 16 is in a trapezoidal groove structure, the lower limit cushion 18 is arranged on the inner wall of the lower part of the suspension outer sleeve 14, and the lower limit cushion 18 is in a trapezoidal convex structure matched with the trapezoidal groove structure at the bottom of the suspension cushion 16;
the bolt 31 is connected to the upper end of the connecting bracket 3 through the suspended inner sleeve 15.
The left side plate 12 and the right side plate 13 have the same structure, and the bottom of the left side plate 12 is of a V-shaped structure with an obtuse angle.
The crossbeam 2 includes upper beam plate 21 and underbeam plate 22, and the middle part of upper beam plate 21 and the middle part welding of underbeam plate 22 are as an organic whole, the left and right both ends of upper beam plate 21 respectively with the curb plate fixed connection of left longeron 4 and right longeron 5, the left and right both ends of underbeam plate 22 respectively with the lower pterygoid fixed connection of left longeron 4 and right longeron 5.
The bolt 31 is provided with a fastening limiting step 32, and the bolt 31 is in rotary fit with the suspension inner sleeve 15 through the fastening limiting step 32.
The connecting bracket 3 comprises a bottom plate 33, a left bracket 34 and a right bracket 35 which are vertically connected with the bottom plate, and the bolt 31 is connected with a nut through threads after sequentially passing through the left bracket 34, the suspension inner sleeve 15 and the right bracket 35.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to a convenient auxiliary suspension structure of a gearbox, the middle part of a crossbeam is fixedly connected with a suspension cushion assembly through a hoisting bolt, and the structure is convenient to mount and effectively shortened; the assembly time on the assembly line effectively improves the assembly efficiency. Therefore, the design is convenient to mount and high in assembly efficiency.
2. The utility model relates to a trapezoidal slot that 16 tops of suspension cushion and bottom formed among convenient type gear box auxiliary suspension structure has effectively reduced the rigidity of vertical direction, has weakened the excessive restraint of auxiliary suspension in vertical direction, has promoted the travelling comfort of whole car. Therefore, the design structure is reasonable in design, and the comfort of the whole vehicle is effectively improved.
3. The utility model relates to a suspension cushion assembly passes through bolt fixed connection with linking bridge among the convenient type gear box auxiliary suspension structure, effectively avoids rubber to twist reverse, and it is spacing to static clearance to have realized Y between sleeve pipe and the linking bridge in the suspension, effectively avoids rubber to twist reverse, guarantees that the suspension cushion is at the ascending unsteady of whole car vertically, has effectively eliminated auxiliary suspension and has restrainted at the ascending excessive restraint of whole car vertically. Therefore, the design has the advantages that the suspension is fixed reasonably, the yaw limit of the power assembly is weakened, and the tearing of front suspension rubber can be effectively avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the suspended cushion assembly of fig. 1.
Fig. 3 is a schematic view of the structure of the bolt of fig. 1.
In the figure: the suspension cushion assembly comprises a suspension cushion assembly 1, a top plate 11, a left side plate 12, a right side plate 13, a suspension outer sleeve 14, a suspension inner sleeve 15, a suspension cushion 16, an upper limiting cushion 17, a lower limiting cushion 18, a cross beam 2, an upper beam plate 21, a lower beam plate 22, a hoisting bolt 23, a connecting support 3, a bolt 31, a fastening limiting step 32, a bottom plate 33, a left support 34, a right support 35, a left longitudinal beam 4 and a right longitudinal beam 5.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 3, a convenient auxiliary suspension structure for a gearbox comprises a cross beam 2, two ends of which are respectively fixed on a left longitudinal beam 4 and a right longitudinal beam 5;
the middle part of the beam 2 is fixedly connected with the suspension cushion assembly 1 through a hoisting bolt 23, the middle part of the suspension cushion assembly 1 is connected with the upper end of the connecting bracket 3 through a bolt 31, and the lower end of the connecting bracket 3 is connected with the top of the gearbox shell;
the suspension cushion assembly 1 comprises a top plate 11, a left side plate 12, a right side plate 13, a suspension outer sleeve 14, a suspension inner sleeve 15 and a suspension cushion 16, wherein the two sides of the top plate 11 are respectively and vertically connected with the left side plate 12 and the right side plate 13, the bottoms of the left side plate 12 and the right side plate 13 are respectively connected with the outer wall of the suspension outer sleeve 14, the inner wall of the suspension outer sleeve 14 and the suspension cushion 16 are vulcanized into a whole, and the outer wall of the suspension inner sleeve 15 is arranged in the middle of the suspension cushion 16;
the top of the suspension cushion 16 is of a protruding trapezoid rubber structure, the inner wall of the top of the suspension outer sleeve 14 is provided with an upper limiting cushion 17, and the bottom of the upper limiting cushion 17 is provided with a trapezoid groove structure matched with the trapezoid structure at the top of the suspension cushion 16;
the bottom of the suspension cushion 16 is in a trapezoidal groove structure, the lower limit cushion 18 is arranged on the inner wall of the lower part of the suspension outer sleeve 14, and the lower limit cushion 18 is in a trapezoidal convex structure matched with the trapezoidal groove structure at the bottom of the suspension cushion 16;
the bolt 31 is connected to the upper end of the connecting bracket 3 through the suspended inner sleeve 15.
The left side plate 12 and the right side plate 13 have the same structure, and the bottom of the left side plate 12 is of a V-shaped structure with an obtuse angle.
The crossbeam 2 includes upper beam plate 21 and underbeam plate 22, and the middle part of upper beam plate 21 and the middle part welding of underbeam plate 22 are as an organic whole, the left and right both ends of upper beam plate 21 respectively with the curb plate fixed connection of left longeron 4 and right longeron 5, the left and right both ends of underbeam plate 22 respectively with the lower pterygoid fixed connection of left longeron 4 and right longeron 5.
The bolt 31 is provided with a fastening limiting step 32, and the bolt 31 is in rotary fit with the suspension inner sleeve 15 through the fastening limiting step 32.
The connecting bracket 3 comprises a bottom plate 33, a left bracket 34 and a right bracket 35 which are vertically connected with the bottom plate, and the bolt 31 is connected with a nut through threads after sequentially passing through the left bracket 34, the suspension inner sleeve 15 and the right bracket 35.
The principle of the utility model is explained as follows:
when the design is installed, the connecting support 3 and the suspension cushion assembly 1 are installed and fixed on the shell of the gearbox, then the suspension cushion assembly 1 is fixed on the beam 2 through the operation of installing and tightening the hoisting bolt, and the power assembly is hoisted on the frame. Therefore, the design is convenient to install and mount the frame conveniently.
The utility model discloses a design features lies in, be equipped with the spacing step 32 of fastening in the double-screw bolt 31, make suspension cushion assembly 1 and linking bridge 3 be connected the back, when rotating with 2 hoists of crossbeam again, whole rotation and do not take place the rubber body and center on sleeve pipe 15's torsion, make the rigidity of suspension cushion assembly 1Z to can not assemble the torsion on the technology and decompose and increase again with rigidity of X to, the loading state of having guaranteed power assembly suspension system reality and the uniformity of design condition, do big fretwork on the rubber body simultaneously, do little fretwork down, auxiliary suspension Z suitable rigidity downwards has both been guaranteed, Z to ascending rigidity has been weakened again by a wide margin, Z to the overconstrained after the auxiliary suspension is installed additional has been weakened.
The utility model discloses a design characteristics still lie in, after suspension cushion assembly 1 is connected through double-screw bolt 31 and switching support 3, the interior sleeve pipe 15 of protrusion suspension cushion assembly 1 has carried out static spacing with linking bridge 3, the floating of the rubber body in Y to has both been guaranteed, Y to overconstraint after having eliminated additional installation assistance suspension again, left socle 34 of taking the strengthening rib about simultaneously through suspension skeleton and linking bridge 3, the reasonable clearance of reserving between right branch frame 35, suspension cushion assembly 1 and 3 developments of linking bridge do not have the collision has both been guaranteed, the spacing effect of horizontal swing has been played again when power assembly large torque output, the power assembly has been eliminated and has been made a wide range of horizontal swing and lead to the fact the tearing risk of front suspension cushion.
Example 1:
a convenient auxiliary suspension structure of a gearbox comprises a cross beam 2, two ends of which are respectively fixed on a left longitudinal beam 4 and a right longitudinal beam 5; the middle part of the beam 2 is fixedly connected with the suspension cushion assembly 1 through a hoisting bolt 23, the middle part of the suspension cushion assembly 1 is connected with the upper end of the connecting bracket 3 through a bolt 31, and the lower end of the connecting bracket 3 is connected with the top of the gearbox shell; the suspension cushion assembly 1 comprises a top plate 11, a left side plate 12, a right side plate 13, a suspension outer sleeve 14, a suspension inner sleeve 15 and a suspension cushion 16, wherein the two sides of the top plate 11 are respectively and vertically connected with the left side plate 12 and the right side plate 13, the bottoms of the left side plate 12 and the right side plate 13 are respectively connected with the outer wall of the suspension outer sleeve 14, the inner wall of the suspension outer sleeve 14 and the suspension cushion 16 are vulcanized into a whole, and the outer wall of the suspension inner sleeve 15 is arranged in the middle of the suspension cushion 16; the top of the suspension cushion 16 is of a protruding trapezoid rubber structure, the inner wall of the top of the suspension outer sleeve 14 is provided with an upper limiting cushion 17, and the bottom of the upper limiting cushion 17 is provided with a trapezoid groove structure matched with the trapezoid structure at the top of the suspension cushion 16; the bottom of the suspension cushion 16 is in a trapezoidal groove structure, the lower limit cushion 18 is arranged on the inner wall of the lower part of the suspension outer sleeve 14, and the lower limit cushion 18 is in a trapezoidal convex structure matched with the trapezoidal groove structure at the bottom of the suspension cushion 16; the bolt 31 penetrates through the suspension inner sleeve 15 and is connected with the upper end of the connecting bracket 3; the left side plate 12 and the right side plate 13 have the same structure, and the bottom of the left side plate 12 is of an obtuse-angled V-shaped structure; the cross beam 2 comprises an upper beam plate 21 and a lower beam plate 22, the middle part of the upper beam plate 21 and the middle part of the lower beam plate 22 are welded into a whole, the left end and the right end of the upper beam plate 21 are fixedly connected with the side plates of the left longitudinal beam 4 and the right longitudinal beam 5 respectively, and the left end and the right end of the lower beam plate 22 are fixedly connected with the lower wing plates of the left longitudinal beam 4 and the right longitudinal beam 5 respectively; the bolt 31 is provided with a fastening limiting step 32, and the bolt 31 is in rotary fit with the suspension inner sleeve 15 through the fastening limiting step 32.
Example 2:
example 2 is substantially the same as example 1 except that:
the connecting bracket 3 comprises a bottom plate 33, a left bracket 34 and a right bracket 35 which are vertically connected with the bottom plate, and the bolt 31 is connected with a nut through threads after sequentially passing through the left bracket 34, the suspension inner sleeve 15 and the right bracket 35.
Claims (5)
1. The utility model provides a convenient type auxiliary suspension structure of gearbox, includes crossbeam (2) that both ends are fixed in respectively on left longeron (4) and right longeron (5), its characterized in that:
the middle part of the beam (2) is fixedly connected with a suspension cushion assembly (1) through a hoisting bolt (23), the middle part of the suspension cushion assembly (1) is connected with the upper end of a connecting support (3) through a bolt (31), and the lower end of the connecting support (3) is connected with the top of a gearbox shell;
the suspension cushion assembly (1) comprises a top plate (11), a left side plate (12), a right side plate (13), a suspension outer sleeve (14), a suspension inner sleeve (15) and a suspension cushion (16), wherein the two sides of the top plate (11) are respectively and vertically connected with the left side plate (12) and the right side plate (13), the bottoms of the left side plate (12) and the right side plate (13) are respectively connected with the outer wall of the suspension outer sleeve (14), the inner wall of the suspension outer sleeve (14) and the suspension cushion (16) are vulcanized into a whole, and the outer wall of the suspension inner sleeve (15) is arranged in the middle of the suspension cushion (16);
the top of the suspension cushion (16) is of a protruding trapezoid rubber structure, the inner wall of the top of the suspension outer sleeve (14) is provided with an upper limiting cushion (17), and the bottom of the upper limiting cushion (17) is provided with a trapezoid groove structure matched with the trapezoid structure at the top of the suspension cushion (16);
the bottom of the suspension cushion (16) is of a trapezoidal groove structure, a lower limit cushion (18) is arranged on the inner wall of the lower part of the suspension outer sleeve (14), and the lower limit cushion (18) is of a trapezoidal convex structure matched with the trapezoidal groove structure at the bottom of the suspension cushion (16);
the bolt (31) penetrates through the suspension inner sleeve (15) and is connected with the upper end of the connecting bracket (3).
2. The auxiliary suspension structure of a portable gearbox as recited in claim 1, characterized in that:
the left side plate (12) and the right side plate (13) are identical in structure, and the bottom of the left side plate (12) is of a V-shaped structure with an obtuse angle.
3. The auxiliary suspension structure of a portable transmission case according to claim 1 or 2, characterized in that:
crossbeam (2) include upper beam plate (21) and underbeam board (22), and the middle part of upper beam plate (21) and the middle part welding of underbeam board (22) are as an organic whole, the left and right both ends of upper beam plate (21) respectively with the curb plate fixed connection of left longeron (4) and right longeron (5), the left and right both ends of underbeam board (22) respectively with the lower pterygoid lamina fixed connection of left longeron (4) and right longeron (5).
4. The auxiliary suspension structure of a portable gearbox as recited in claim 3, characterized in that:
the bolt (31) is provided with a fastening limiting step (32), and the bolt (31) is in rotating fit with the suspension inner sleeve (15) through the fastening limiting step (32).
5. The auxiliary suspension structure of a portable gearbox as recited in claim 4, characterized in that:
the connecting support (3) comprises a bottom plate (33) and a left support (34) and a right support (35) which are vertically connected with the bottom plate, and the bolt (31) sequentially penetrates through the left support (34), the suspension inner sleeve (15) and the right support (35) and then is in threaded connection with a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021110416.6U CN212353613U (en) | 2020-06-16 | 2020-06-16 | Convenient type auxiliary suspension structure of gearbox |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021110416.6U CN212353613U (en) | 2020-06-16 | 2020-06-16 | Convenient type auxiliary suspension structure of gearbox |
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| Publication Number | Publication Date |
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| CN212353613U true CN212353613U (en) | 2021-01-15 |
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| CN202021110416.6U Active CN212353613U (en) | 2020-06-16 | 2020-06-16 | Convenient type auxiliary suspension structure of gearbox |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454704A (en) * | 2022-01-18 | 2022-05-10 | 东风汽车股份有限公司 | Rear suspension cushion assembly for large-torque output power assembly |
-
2020
- 2020-06-16 CN CN202021110416.6U patent/CN212353613U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454704A (en) * | 2022-01-18 | 2022-05-10 | 东风汽车股份有限公司 | Rear suspension cushion assembly for large-torque output power assembly |
| CN114454704B (en) * | 2022-01-18 | 2023-08-04 | 东风汽车股份有限公司 | Rear suspension cushion assembly for large-torque output power assembly |
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