CN210309809U - Leaf spring fixing device for lorry - Google Patents
Leaf spring fixing device for lorry Download PDFInfo
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- CN210309809U CN210309809U CN201920803262.XU CN201920803262U CN210309809U CN 210309809 U CN210309809 U CN 210309809U CN 201920803262 U CN201920803262 U CN 201920803262U CN 210309809 U CN210309809 U CN 210309809U
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- leaf spring
- suspension bracket
- fixing device
- push rod
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Abstract
The utility model relates to a leaf spring fixing device for a load-carrying vehicle, which comprises a suspension connecting component, wherein the suspension connecting component comprises a balanced suspension bracket, and the upper end of the balanced suspension bracket is also provided with a frame cross beam connecting plate; and the plate spring mounting assembly comprises a plate spring connecting shaft integrally formed with the balance suspension bracket, a plate spring seat is sleeved outside the plate spring connecting shaft, and a rubber bushing is arranged between the plate spring seat and the plate spring connecting shaft. The utility model has the advantages that: to the fixed of leaf spring, adopt the cooperation between suspension coupling assembling and the leaf spring installation component, adopt the mode of this kind of sectional type connection for each coupling assembling's wall thickness can be done thinly, thereby alleviateed holistic weight, and to the installation of leaf spring, adopt the cooperation between leaf spring connecting axle, rubber bush and the leaf spring seat, make the leaf spring seat become swing joint's mode, thereby also can move about after the leaf spring is installed, ensure the smooth use of leaf spring.
Description
Technical Field
The utility model relates to an automobile manufacturing field, in particular to leaf spring fixing device for lorry.
Background
Compared with passenger vehicles, commercial vehicles are mainly used for transporting production materials, and users pay more attention to the input and output of the commercial vehicles. Under the influence of relevant national policies, the market demand for light commercial automobiles is rapidly increased in temperature, and the energy-saving advantage of light vehicles is gradually accepted by users and becomes an important factor influencing purchase. The lightweight of the automobile is to reduce the preparation quality of the automobile as much as possible on the premise of ensuring the strength and the safety performance of the automobile, thereby improving the dynamic property of the automobile, reducing the fuel consumption and reducing the exhaust pollution. The plate spring support of the existing heavy truck has the advantages of heavy structure, high cost and unreasonable arrangement.
For example, patent CN105564175A discloses a heavy-duty car rear suspension system and a heavy-duty car, in the case of ensuring that a suspension and a drive axle are not changed, a secondary balance shaft structure is added by thickening a rear steel plate spring assembly to 240-300 mm and a thickening balance shaft phi 110-phi 120mm, and a cable-stayed riding bolt is adopted, that is, the rear steel plate spring assembly, a balance shaft shell and a spring pressure plate are connected by a cable-stayed riding bolt, the cable-stayed riding bolt is inclined toward the axis, the balance shaft shell is provided with an inclined bolt mounting hole for fixing the cable-stayed riding bolt, and the mounting hole corresponds to the cable-stayed angle and provides a guide support; the spring pressing plate is provided with a groove for fixing a diagonal-pulling type riding bolt, and the axis of the groove keeps consistent with the diagonal-pulling angle; the integral bearing capacity of the rear suspension system is improved, the bearing capacity of the plate spring is exerted to the maximum extent, the load borne by the balance shaft is shared, the balance shaft bracket and the rear steel plate spring assembly are effectively protected, and the service life of each part of the rear suspension system is prolonged.
In the structure, in the process of installing the plate spring, the plate spring is fixed only by matching a plurality of parts such as the balance shaft, the balance shaft bracket, the auxiliary balance shaft, the balance shaft shell, the shell cover and the like, and the balance shaft adopts an integral structure, so that the plate spring is large in size, thick and heavy in whole, high in cost and inconvenient to install.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a leaf spring fixing device for load vehicle of light in weight, make things convenient for the leaf spring activity.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a leaf spring fixing device for load-carrying vehicle, leaf spring fixing device links to each other with the suspension of load-carrying vehicle to a leaf spring's installation, its characterized in that: comprises that
The suspension connecting assembly comprises a balanced suspension bracket, the upper end of the balanced suspension bracket is provided with a U-shaped groove, so that the whole balanced suspension bracket is Y-shaped, the upper end of the balanced suspension bracket is provided with a plurality of longitudinal beam connecting holes on two sides of the U-shaped groove, the upper end of the balanced suspension bracket is provided with a frame cross beam connecting plate which horizontally extends towards the suspension direction and is arranged on one side close to the suspension, and the frame cross beam connecting plate is provided with a plurality of cross beam bolt connecting holes;
a straight push rod connecting unit is arranged at the lower end of the balanced suspension bracket, the straight push rod connecting unit comprises a pair of straight push rod connecting seats positioned at the lower part of the balanced suspension bracket, a gap is reserved between the two straight push rod connecting seats, so that the lower end of the balanced suspension bracket is provided with an arc-shaped through groove, and a straight push rod mounting through hole which can be used for mounting a straight push rod and is horizontally arranged is arranged on the straight push rod connecting seats;
a connecting plate mounting seat is further arranged on one side, close to the suspension, of the straight push rod connecting unit, and a plurality of connecting plate connecting holes are formed in the connecting plate mounting seat;
a leaf spring installation component, leaf spring installation component includes one and balanced suspension bracket integrated into one piece's leaf spring connecting axle, and the cover is equipped with the leaf spring seat in the outside cover of leaf spring connecting axle, has a pair of U type bolt hole respectively in the both sides of leaf spring seat, still have a rubber bush between leaf spring seat and the leaf spring connecting axle, the rubber bush is cylindricly, has an annular positioning groove who holds the installation of leaf spring seat simultaneously in the middle part position of rubber bush, is connected with a shield in the outside of leaf spring connecting axle, and passes through the bolt fastening between shield and the leaf spring connecting axle.
Furthermore, reinforcing protrusions extending outwards are further arranged at the longitudinal beam connecting holes on the balance suspension bracket, and the reinforcing protrusions correspond to the longitudinal beam connecting holes one to one.
Furthermore, one side of the balanced suspension bracket, which is close to the suspension, is also provided with a pair of vertical reinforcing vertical ribs which are vertically distributed and extend from the upper end of the frame cross beam connecting plate to the lower end of the balanced suspension bracket, and a plurality of horizontal reinforcing transverse ribs are connected between the two vertical reinforcing vertical ribs.
Furthermore, reinforcing rib plates extending along the outer side wall of the balanced suspension bracket are arranged on two sides of one end, close to the suspension, of the balanced suspension bracket.
Furthermore, the inner wall of the straight push rod connecting seat is also provided with a weight reduction groove.
Furthermore, two sides of the upper end of the plate spring seat are respectively provided with a positioning bulge extending upwards, and a gap for accommodating the plate spring is reserved between the two positioning bulges.
Furthermore, the rubber bushing is formed by a pair of annular bushing split bodies arranged in half, and an annular groove is formed in the adjacent side of each of the two bushing split bodies, so that a positioning groove for installing the leaf spring seat is formed after the two bushing split bodies are combined together.
Furthermore, both sides of the inner wall of the rubber bushing are arc-shaped, an arc-shaped connecting section is respectively arranged at the contact part of the leaf spring connecting shaft, the dustproof cover and both sides of the inner wall of the rubber bushing, and the connecting part of the balance suspension bracket and the arc-shaped connecting section of the leaf spring connecting shaft is arc-shaped.
The utility model has the advantages that: the utility model discloses in, to the fixed of leaf spring, adopt the cooperation between suspension coupling assembling and the leaf spring installation component, adopt the mode that this kind of segmentation is connected for each coupling assembling's wall thickness can be done thinly, thereby alleviateed holistic weight, and to the installation of leaf spring, adopt the cooperation between leaf spring connecting axle, rubber bush and the leaf spring seat, make the leaf spring seat become swing joint's mode, thereby also can move about after the installation at the leaf spring equally, ensure the smooth use of leaf spring.
The reinforcing protrusions are arranged at the longitudinal beam connecting holes, so that the longitudinal beam connecting holes are reinforced, the phenomenon that the longitudinal beam connecting holes are damaged when being connected due to the fact that the balance suspension bracket is too thin is avoided, and the stability of connection is ensured.
The reinforcing vertical ribs, the reinforcing transverse ribs and the reinforcing rib plates are arranged at the side ends of the balanced suspension bracket, so that the phenomenon that the strength of the balanced suspension bracket is insufficient is avoided in order to reinforce the strength of the balanced suspension bracket structure, the weight of the balanced suspension bracket can be reduced as much as possible while the strength of the balanced suspension bracket is reinforced, and the phenomenon that the whole weight is greatly increased due to the fact that the strength of the balanced suspension bracket is reinforced is avoided; and open the weight reduction recess on the inner wall of straight push rod connecting seat, also be in order to reduce its weight on the basis of the intensity of straight push rod connecting seat, provide the basis for the lightweight.
To a pair of location arch that the leaf spring seat upper end set up, then be for the installation of the quick location of convenient leaf spring, also can play certain limiting displacement to the leaf spring simultaneously.
The rubber bushing is formed by a pair of annular bushing split bodies arranged in half, so that the installation of the plate spring seat is convenient.
To being connected between rubber bush and leaf spring connecting axle, the shield, adopt arc complex mode, then when cooperating with leaf spring connecting axle or shield for making the rubber bush cover, more convenience, the junction that will balance the suspension bracket and the arc linkage segment of leaf spring connecting axle simultaneously also designs the arc form, adopts the form of this kind of double arc section, also is the location installation for the convenience rubber bush.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the plate spring fixing device for a truck of the present invention.
Fig. 2 is a rear view of the plate spring fixing device for a truck of the present invention.
Fig. 3 is a side view of the plate spring fixing device for a truck according to the present invention.
Fig. 4 is a sectional view B-B of fig. 3.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
A leaf spring fixing device for a truck as shown in figures 1-4, the leaf spring fixing device having two leaf springs in total, respectively connected to both sides of a suspension of the truck, and used for mounting the leaf springs, comprises
A suspension coupling assembling, this suspension coupling assembling includes a balanced suspension support 1, the upper end of this balanced suspension support 1 has a U-shaped groove 2, make whole balanced suspension support 1 be the Y shape, the both sides that are located U-shaped groove 2 in the upper end of balanced suspension support 1 all have a plurality of longeron connecting holes 3, one side that is located near the suspension in the upper end of balanced suspension support 1 still has a vehicle frame cross beam connecting plate 4 that extends earlier on the suspension direction level, a plurality of crossbeam bolted connection holes 5 have on vehicle frame cross beam connecting plate 4.
And reinforcing protrusions 6 extending outwards are further arranged on the balance suspension bracket 1 at the longitudinal beam connecting holes 3, and the reinforcing protrusions 6 correspond to the longitudinal beam connecting holes 3 one by one. The reinforcing protrusions 6 are arranged at the longitudinal beam connecting holes 3, so that the longitudinal beam connecting holes 3 are reinforced, the phenomenon that the longitudinal beam connecting holes 3 are damaged when being connected due to the fact that the balance suspension bracket 1 is too thin is avoided, and the stability of connection is ensured.
Have a straight push rod linkage unit at the lower extreme of balanced suspension support 1, straight push rod linkage unit includes a pair of straight push rod connecting seat 26 that is located balanced suspension support 1 lower part position, leaves the clearance between two straight push rod connecting seats 26 to make the lower extreme of suspension connection support 1 frame have an arc and lead to the groove, have a straight push rod installation through-hole 7 that holds straight push rod installation and level setting on straight push rod connecting seat 26.
The inner walls of the straight push rod connecting seats 26 are also provided with two weight reducing grooves 8, the two weight reducing grooves 8 are separated from each other on one straight push rod connecting seat 26, and the weight reducing groove 8 on the other straight push rod connecting seat 26 is one, so that the strength of the structure of the straight push rod connecting seat 26 is ensured while the weight is reduced. Through opening the weight reduction recess 8 on the inner wall of straight push-rod connecting seat, also be in order to reduce its weight on the basis of the intensity of straight push-rod connecting seat 26, provide the basis for the lightweight.
One side that is close to the suspension at balanced suspension support 1 still has the vertical muscle 9 of strengthening of the vertical distribution that extends to balanced suspension support 1 lower extreme in the upper end of a pair of frame cross connecting plate 4, and two strengthen to be connected with the horizontal muscle 10 of strengthening of a plurality of horizontal distributions between the vertical muscle 9.
And reinforcing rib plates 11 extending along the outer side wall of the balanced suspension bracket 1 are arranged on two sides of one end of the balanced suspension bracket 1 close to the suspension. Through set up the vertical reinforcement 9 at the side of balanced outrigger 1, strengthen horizontal reinforcement 10, deep floor 11, then in order to strengthen the intensity of balanced outrigger 1 structure, avoid appearing the phenomenon that balanced outrigger 1 intensity is not enough, and adopt the form of the gusset of these three kinds of different position distributions, rather than adopting whole deep floor, then be in the 1 intensity of the balanced outrigger of enhancement, again can reduce balanced outrigger 1's weight as far as, avoid appearing leading to whole weight to increase substantially because of strengthening balanced outrigger 1 intensity, provide the basis for the lightweight of realizing the product.
The side, close to the suspension, of the straight push rod connecting unit is further provided with a connecting plate mounting seat 12, a plurality of connecting plate connecting holes are formed in the connecting plate mounting seat 12, the two plate spring fixing devices are integrally balanced by utilizing a connecting plate 13, and the connecting plate 13 and the connecting plate mounting seat 12 are fixed through bolts.
A leaf spring installation component, leaf spring installation component includes a leaf spring connecting axle 14 with balanced suspension support 1 integrated into one piece, adopt the integral type structure to leaf spring connecting axle 14 and balanced suspension support 1, also for the manufacturing convenience, the cover is equipped with leaf spring seat 15 in the outside of leaf spring connecting axle 14, both sides at leaf spring seat 15 have a pair of U type bolt hole 16 respectively, still have a rubber bush between leaf spring seat 15 and the leaf spring connecting axle 14, the rubber bush is cylindricly, the cyclic annular positioning groove who holds leaf spring seat 15 installation has one in the middle part position of rubber bush simultaneously, be connected with a shield 17 in the outside of leaf spring connecting axle 14, and pass through the bolt fastening between shield 17 and the leaf spring connecting axle 14, thereby rubber bush's fixed has been realized.
Two sides of the upper end of the plate spring seat 15 are respectively provided with a positioning bulge 18 extending upwards, and a gap for accommodating the plate spring is reserved between the two positioning bulges 18. For a pair of positioning bulges 18 arranged at the upper end of the plate spring seat 15, the plate spring can be conveniently and quickly positioned and installed, and meanwhile, the plate spring can also be limited to a certain extent.
The rubber bushing is composed of a pair of annular bushing split bodies 19 arranged in half, and an annular groove is formed in the adjacent side of each two adjacent bushing split bodies 19, so that a positioning groove for installing the leaf spring seat 15 is formed after the two bushing split bodies 19 are combined together. For the rubber bush which adopts the structural form that a pair of annular bush split bodies 19 are arranged in half are adopted, so that the installation of the plate spring seat 15 is convenient, when the plate spring seat 15 is installed, one bush split body 19 is firstly sleeved on the plate spring connecting shaft 14, then the other bush split body 19 is installed at the side end of the plate spring seat 15, then the plate spring seat 15 with the bush split bodies 19 installed at the side ends is integrally sleeved on the plate spring connecting shaft 14 and is matched with the bush split bodies 19 which are installed on the plate spring connecting shaft 14 in advance, finally, the rubber bush is fixed by the dustproof cover 17 and is locked by bolts, and the assembly is completed.
The both sides of the inner wall of rubber bush all are the arc form, also have an arc linkage segment respectively in leaf spring connecting axle 14, shield 17 and rubber bush inner wall both sides department of contacting each other simultaneously, also be the arc form in the junction of balanced suspension support 1 and the arc linkage segment of leaf spring connecting axle 14 simultaneously. To being connected between rubber bush and leaf spring connecting axle 14, the shield 17, adopt arc complex mode, then in order to make the rubber bush when cooperating with leaf spring connecting axle 14 or shield 17, more convenient, will balance the suspension bracket 1 simultaneously and also design the arc form with the junction of the arc linkage segment of leaf spring connecting axle 14, adopt the form of this kind of double arcs section, also be for the location installation of convenient rubber bush.
The utility model discloses in, to the fixing of leaf spring, adopt the cooperation between suspension coupling assembling and the leaf spring installation component, adopt the mode that this kind of segmentation is connected, make each coupling assembling's wall thickness can be done thinly, thereby alleviateed holistic weight, and to the installation of leaf spring, adopt the cooperation between leaf spring connecting axle 14, rubber bush and the leaf spring seat 15, make leaf spring seat 15 become swing joint's mode, thereby also can move about after the leaf spring is installed equally, ensure the smooth use of leaf spring.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a leaf spring fixing device for load-carrying vehicle, leaf spring fixing device links to each other with the suspension of load-carrying vehicle to a leaf spring's installation, its characterized in that: comprises that
The suspension connecting assembly comprises a balanced suspension bracket, the upper end of the balanced suspension bracket is provided with a U-shaped groove, so that the whole balanced suspension bracket is Y-shaped, the upper end of the balanced suspension bracket is provided with a plurality of longitudinal beam connecting holes on two sides of the U-shaped groove, the upper end of the balanced suspension bracket is provided with a frame cross beam connecting plate which horizontally extends towards the suspension direction and is arranged on one side close to the suspension, and the frame cross beam connecting plate is provided with a plurality of cross beam bolt connecting holes;
a straight push rod connecting unit is arranged at the lower end of the balanced suspension bracket, the straight push rod connecting unit comprises a pair of straight push rod connecting seats positioned at the lower part of the balanced suspension bracket, a gap is reserved between the two straight push rod connecting seats, so that the lower end of the balanced suspension bracket is provided with an arc-shaped through groove, and a straight push rod mounting through hole which can be used for mounting a straight push rod and is horizontally arranged is arranged on the straight push rod connecting seats;
a connecting plate mounting seat is further arranged on one side, close to the suspension, of the straight push rod connecting unit, and a plurality of connecting plate connecting holes are formed in the connecting plate mounting seat;
a leaf spring installation component, leaf spring installation component includes one and balanced suspension bracket integrated into one piece's leaf spring connecting axle, and the cover is equipped with the leaf spring seat in the outside cover of leaf spring connecting axle, has a pair of U type bolt hole respectively in the both sides of leaf spring seat, still have a rubber bush between leaf spring seat and the leaf spring connecting axle, the rubber bush is cylindricly, has an annular positioning groove who holds the installation of leaf spring seat simultaneously in the middle part position of rubber bush, is connected with a shield in the outside of leaf spring connecting axle, and passes through the bolt fastening between shield and the leaf spring connecting axle.
2. The leaf spring fixing device for heavy-duty vehicles according to claim 1, characterized in that: the balance suspension bracket is also provided with reinforcing bulges extending outwards at the connecting holes of the longitudinal beams, and the reinforcing bulges are in one-to-one correspondence with the connecting holes of the longitudinal beams.
3. The leaf spring fixing device for heavy-duty vehicles according to claim 1, characterized in that: one side of the balanced suspension bracket close to the suspension is also provided with a pair of vertical reinforcing vertical ribs which are vertically distributed and extend from the upper end of the frame cross beam connecting plate to the lower end of the balanced suspension bracket, and a plurality of horizontal reinforcing transverse ribs are connected between the two reinforcing vertical ribs.
4. The leaf spring fixing device for heavy-duty vehicles according to claim 1, characterized in that: and reinforcing rib plates extending along the outer side wall of the balanced suspension bracket are arranged on two sides of one end, close to the suspension, of the balanced suspension bracket.
5. The leaf spring fixing device for heavy-duty vehicles according to claim 1, characterized in that: and a weight reduction groove is formed in the inner wall of the straight push rod connecting seat.
6. The leaf spring fixing device for heavy-duty vehicles according to claim 1, characterized in that: two sides of the upper end of the plate spring seat are respectively provided with a positioning bulge extending upwards, and a gap for accommodating the plate spring is reserved between the two positioning bulges.
7. The leaf spring fixing device for heavy-duty vehicles according to claim 1, characterized in that: the rubber bushing is formed by a pair of annular bushing split bodies arranged in half, and an annular groove is formed in one adjacent side of each of the two bushing split bodies, so that a positioning groove for mounting the leaf spring seat is formed after the two bushing split bodies are combined together.
8. The leaf spring fixing device for heavy-duty vehicles according to claim 1, characterized in that: the both sides of the inner wall of rubber bush all are the arc form, also have an arc linkage segment respectively in leaf spring connecting axle, shield and rubber bush inner wall both sides department of contacting each other simultaneously, also are the arc form in the junction of the arc linkage segment of balanced suspension support and leaf spring connecting axle simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920803262.XU CN210309809U (en) | 2019-05-30 | 2019-05-30 | Leaf spring fixing device for lorry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920803262.XU CN210309809U (en) | 2019-05-30 | 2019-05-30 | Leaf spring fixing device for lorry |
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| Publication Number | Publication Date |
|---|---|
| CN210309809U true CN210309809U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920803262.XU Active CN210309809U (en) | 2019-05-30 | 2019-05-30 | Leaf spring fixing device for lorry |
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| Country | Link |
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| CN (1) | CN210309809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126569A (en) * | 2019-05-30 | 2019-08-16 | 江苏汤臣汽车零部件有限公司 | A kind of fixed device of load-carrying plate spring for vehicle |
-
2019
- 2019-05-30 CN CN201920803262.XU patent/CN210309809U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126569A (en) * | 2019-05-30 | 2019-08-16 | 江苏汤臣汽车零部件有限公司 | A kind of fixed device of load-carrying plate spring for vehicle |
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