CN219692101U - Tricycle adopting leaf spring damping system - Google Patents
Tricycle adopting leaf spring damping system Download PDFInfo
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- CN219692101U CN219692101U CN202320331835.XU CN202320331835U CN219692101U CN 219692101 U CN219692101 U CN 219692101U CN 202320331835 U CN202320331835 U CN 202320331835U CN 219692101 U CN219692101 U CN 219692101U
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- 238000013016 damping Methods 0.000 title claims abstract description 41
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 230000000750 progressive effect Effects 0.000 claims abstract description 13
- 244000273256 Phragmites communis Species 0.000 claims abstract description 7
- 230000035939 shock Effects 0.000 claims description 27
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000010030 laminating Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000116 mitigating effect Effects 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
- F16F1/26—Attachments or mountings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/027—Motorcycles with three wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
- F16F1/185—Leaf springs characterised by shape or design of individual leaves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Springs (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The utility model discloses a tricycle adopting a leaf spring damping system, wherein the spring damping system comprises a leaf spring and a pressing mechanism, the leaf spring comprises a main spring body formed by superposing a plurality of main reeds and an auxiliary spring body formed by superposing a plurality of auxiliary reeds, the two ends of the main spring body form a connecting part connected with a frame and form a main spring body damping structure when in use, and the auxiliary spring body is positioned above the main spring body and participates in damping when the main spring body is damped and deformed to a set position, so as to form a progressive damping structure; the compression mechanism comprises a joint assembly and a self-adaptive adjusting assembly, wherein the joint assembly is used for ensuring that the frame is in stressed contact with the pressing surface, and the self-adaptive adjusting assembly is used for ensuring that the frame is well attached to the pressing surface when the pressing surface is stressed in the second stage and the joint assembly is reset in time when the auxiliary spring body is pulled out of the pressing surface to be stressed. The utility model can ensure that the self-adaptive bearing contact is realized between the pressing surfaces of the buffer cushion and the auxiliary spring.
Description
Technical Field
The utility model relates to the technical field of automobile shock absorption, in particular to a tricycle adopting a leaf spring shock absorption system.
Background
The leaf spring is the most widely used elastic element in the automobile (especially the freight car) suspension, and is an elastic beam with approximate equal strength formed by combining a plurality of alloy spring pieces with equal width but unequal length (the thickness can be equal or unequal).
When the leaf spring is installed in the automobile suspension and the vertical load is positive, each spring piece is stressed and deformed, and the two sides of the spring piece are prone to downwards arch. At this time, the axle and the frame are brought close to each other. When the axle and frame are moved away from each other, the normal vertical load and deformation to which the leaf spring is subjected is gradually reduced, sometimes even reversed.
When the load of the frame is gradually increased, the first main spring of the steel plate spring is deformed to a specific position by downward pressure of the frame, the first auxiliary spring enters a supporting state, the first auxiliary spring is contacted with a compressing mechanism on the frame, the downward pressure of the auxiliary spring is continuously changed in the load bearing process due to different loads and road conditions during driving, the curling radian of the auxiliary spring is continuously changed between an initial state and a final complete flattening state, the position of an acting force contact point of the frame compressing mechanism and the auxiliary spring is moved along with different deformation of the auxiliary spring, at the moment, if the stressed contact point of the auxiliary spring is directly and rigidly contacted with the frame, larger friction and noise are necessarily generated, abnormal noise and excessive friction of the steel plate spring are caused, and the service life of the steel plate spring is shortened.
Therefore, in order to solve the above problems, a tricycle adopting a steel plate spring damping system is needed, self-adaptive bearing type contact between the pressing surfaces of the buffer cushion and the auxiliary spring can be guaranteed, the service life of the auxiliary spring is improved to the greatest extent, friction noise between the auxiliary spring and a frame is reduced, a two-stage stress structure is formed between the main spring body and the auxiliary spring body, the damping requirements of a carriage under the two conditions of heavy load and light load are met, meanwhile, the material consumption of the steel plate spring is reduced, the cost is saved, the light weight and low cost requirements of a light freight vehicle are met, the winding lugs at the weak part of the steel plate spring are matched with the steel plate strength after strength is enhanced, the wear resistance is increased, and the service life of the steel plate spring is prolonged.
Disclosure of Invention
In view of the above, the present utility model aims to overcome the defects in the prior art, and provides a tricycle adopting a leaf spring damping system, which can ensure that self-adaptive bearing contact is realized between a cushion pad and a pressing surface of an auxiliary spring, and in order to reduce friction loss and friction noise to the auxiliary spring when a stress contact of the auxiliary spring is rigidly contacted with a frame pressing mechanism, a corresponding polyurethane damping rubber pad (or a similar material buffer block) is arranged on the frame pressing mechanism to change the rigid contact into flexible contact, so as to slow down friction between the auxiliary spring and the frame pressing mechanism; still further, assemble hold-down mechanism on the frame through the bolt for at hold-down mechanism at auxiliary spring deformation in-process, can take place to rotate around the bolt in step along with the position change of working contact, reduce contact point frictional strength effectively, furthest reduces the friction between auxiliary spring and the frame and to the loss and the operational noise of leaf spring life-span, and adopt leaf spring shock mitigation system's tricycle simple structure, low cost, reliable operation forms two-stage atress structure between main spring body and the auxiliary spring body, satisfy the shock attenuation demand of carriage under the two kinds of circumstances of heavy load and light load, reduce the material of leaf spring simultaneously, practice thrift the cost, satisfy light-duty and the low cost requirement of light-duty freight car, leaf spring weak department the reeled ear carry out after intensity is strengthened with steel sheet intensity match, increase wearability, extension leaf spring's life.
The tricycle adopting the leaf spring damping system comprises a leaf spring and a pressing mechanism, wherein the leaf spring comprises a main spring body formed by superposing a plurality of main reeds and an auxiliary spring body formed by superposing a plurality of auxiliary reeds, two ends of the main spring body (namely, two ends along the length direction of the main spring body) form connecting parts connected with a frame and form a main spring body damping structure when in use, the auxiliary spring body is positioned above the main spring body and participates in damping when the main spring body is damped and deformed to a set position (the set position is determined by the lengths, radians and elastic coefficients of the main spring body and the auxiliary spring body), the main spring body is used as a main stressed damper, when the carriage bears a larger load, the deformation of the main spring body is increased, the auxiliary spring body is also involved in the damping stress, the auxiliary spring body is subjected to two-stage superposition to the maximum stress of the damper, when the stress is lighter, the auxiliary spring body is not involved in the damping stress, the material of the damper is saved, and the low cost of the carriage is required to be light; the compressing mechanism comprises a joint assembly and a self-adaptive adjusting assembly, the joint assembly is used for ensuring that the frame is in stressed contact with the auxiliary spring body, and the self-adaptive adjusting assembly is used for ensuring that the frame is well attached to the contact surface of the auxiliary spring body when the auxiliary spring body is stressed in the second stage and the joint assembly is reset in time when the auxiliary spring body is stressed when the auxiliary spring body is released.
Further, the auxiliary spring body middle part is laminated with the main spring body, and both ends upwards gradually keep away from the main spring body and form progressive shock-absorbing structure, and two-stage shock-absorbing structure atress is more even, is in the same place in the position main spring body coincide near leaf spring middle part with the auxiliary spring body, reaches the stack of stress point and guarantees the atress balance.
Further, the main reed of the main reed body forms an upper reed group and a lower reed group, the two ends of the upper reed group form the connecting part, the middle part of the lower reed group is attached to the upper reed group, the two ends of the lower reed group are gradually downwards far away from the upper reed group to form a main reed body progressive shock absorption structure, the length of the upper reed group is longer than that of the lower reed group, and the main reed body is guaranteed to have good elastic coefficient to achieve good shock absorption effect.
Further, a plurality of vice reed coincide and length increase gradually in the direction of keeping away from the main spring body (adjacent vice reed from the top down length decreases gradually, can make the vice spring body have suitable elasticity coefficient, satisfies tricycle shock attenuation demand), upwarp simultaneously forms progressive shock-absorbing structure.
Further, the connecting part is a coil lug, two ends of the auxiliary spring body form contact planes, the contact planes are contacted with the frame upwards and participate in shock absorption when the main spring body is in shock absorption deformation to a set position (the set position is determined by the length, radian and elastic coefficient of the main spring body and the auxiliary spring body), the contact planes are used for supporting the carriage and providing secondary supporting force for the carriage when the carriage bears larger downward pressure, the contact planes arranged on the auxiliary spring body can ensure the separation of the carriage from the contact planes when the carriage is under light load and the rapid engagement of the carriage under heavy load, so that the auxiliary spring body can rapidly enter the secondary shock absorption bearing of the spring body, the downward pressure is shared for the main spring body, the shock absorption effect of the whole shock absorber is ensured, the combination of the main spring body and the auxiliary spring body achieves the progressive stress shock absorption effect, the utilization efficiency of each reed is improved, the life of steel leaf spring has been increased, when the carriage is in the no-load, the auxiliary spring body does not participate in the bearing, when the bearing of carriage reaches certain degree, the carriage sinks, the position of reeled ear also moves down along with it, first auxiliary spring also participates in the bearing of main spring through the power transmission of biography power subassembly, if resume loading the carriage, carriage position continues to move down, then carriage bottom and the contact plane direct contact of first auxiliary spring, first auxiliary spring also can play the bearing effect to the carriage this moment, and first auxiliary spring accessible biography power subassembly and square hoop are with bearing capacity to main spring or the dispersion of second auxiliary spring, make each reed atress balanced, the square hoop still can guarantee the good synchronous displacement between two reeds of its connection well simultaneously, avoid taking place too much friction. The coiled lug is used as a mounting foundation for assembling and positioning the leaf spring and the carriage, so that the connection with the carriage positioning and assembling can be ensured, meanwhile, the structure is simple, the manufacturing is simple, the cost is low, and the coiled lug is applied to a tricycle, and can meet the use strength and also consider the economical efficiency.
Further, the auxiliary spring body comprises a first auxiliary spring, a second auxiliary spring and a third auxiliary spring, the lengths of the first auxiliary spring, the second auxiliary spring and the third auxiliary spring are sequentially decreased from top to bottom, the main spring body comprises an upper reed group formed by the first main spring and the second main spring and a lower reed group formed by the third main spring and the fourth main spring, the coiled lug comprises a front coiled lug and a rear coiled lug, the front coiled lug is formed by curling the front end of the first main spring, the rear coiled lug is formed by curling the rear end of the first main spring, and the rear end of the second main spring is incompletely coated and attached to the outer side of the rear coiled lug.
Further, the locking hole is offered at the auxiliary spring body and the main spring body middle part and will through interior bolt the auxiliary spring body with the main spring body locking stack is in the same place, and the reed is in the same place through interior bolt is whole to be overlapped, has increased the wholeness of the spring body, and the spring body is also in the intermediate position of the spring body with the junction part of axle simultaneously, and the spring body middle part of connecting together can greatly guarantee the intensity of the spring body intermediate position, guarantees that the spring body can bear the load on great vertical direction, and economy is suitable for, has guaranteed under the prerequisite that does not increase spring body volume and quality that the spring body possess strongest load bearing strength.
Furthermore, the first main spring and the second main spring are respectively and fixedly connected through square hoops at the positions close to the two ends of the rolling lugs, the first auxiliary spring and the second auxiliary spring are fixedly connected through square hoops at the positions close to the front rolling lugs, the first auxiliary spring and the third main spring are limited at the positions close to the rear rolling lugs through a force transmission component, the first main spring and the second main spring with approximately equal lengths are tightly locked together (namely, the upper reed group) through the two square hoops and the inner bolts at the center to optimize the stress condition of the first main spring and the second main spring, the condition of stress concentration is avoided, the integrity of the first main spring and the second main spring is increased, the first main spring end head and the second main spring end head are connected, excessive friction between the first main spring and the second main spring is also avoided, a bushing is also arranged in the rolling lugs, the support lugs are arranged on the carriage and are in running fit with the coiled lugs on the leaf springs, the friction between the support lugs and the coiled lugs is effectively avoided due to the arrangement of the bushings, the service life of the leaf springs is effectively ensured, meanwhile, the arranged bushings are convenient to maintain and replace, the use cost of a vehicle can be effectively reduced, the force transmission assembly has the effect that when the carriage is rapidly converted to a light load from the heavy load, the auxiliary springs are rapidly separated from the force to rebound, the force transmission assembly can effectively limit the rebound stroke of the auxiliary springs at the moment, the rebound stroke of the rear ends of the auxiliary springs is avoided to be overlarge, the force transmission assembly is arranged at the rear ends of the leaf springs because the change of the stress condition of the rear ends of the leaf springs is larger, the condition that the rebound stroke of the auxiliary springs is overlarge is avoided due to the arrangement of the force transmission assembly at the rear ends of the leaf springs, the front ends of the auxiliary springs are still fastened and connected with the first auxiliary springs and the second auxiliary springs by adopting square hoops, the overall structural property of the auxiliary spring body is guaranteed so as to optimize the stress condition of the first auxiliary spring and the second auxiliary spring.
Further, pass power subassembly includes strap, stop bolt and nut, the strap cladding is in the outside of third main spring, second main spring, first main spring and first auxiliary spring, the strap is concave laminating set up the connecting hole on the position of third main spring bottom surface, the nut passes through the connecting hole is with strap and third main spring fixed connection, the spacing hole is seted up at the both ends of strap in the stop bolt wears to locate two spacing holes, the stop bolt outside sets up the sleeve pipe, the sleeve pipe is located between the strap both ends, pass power subassembly's setting has guaranteed the stroke of auxiliary spring body, has also improved the connection and the overall structure nature between main spring body and the auxiliary spring body to a certain extent, and the setting of pass power subassembly can guarantee the wholeness and the relative independence between auxiliary spring body well, makes the two-stage of the formation of main spring body and auxiliary spring body atress, prolongs the life of the strap, and the sleeve pipe setting up can have the fixed distance and the strap side to take place, avoids the friction between the strap both sides.
Further, the coupling assembling includes with frame articulated support and set up in the blotter of support below, the support with can follow automobile body back-and-forth wobbling mode set up in the frame below just the articulated shaft setting direction of support is along the Y axle direction of automobile body, self-adaptation adjusting part includes fixed ear, stopper, draws ear and extension spring, fixed ear and stopper all fix set up in on the frame just the stopper is located fixed ear with between the support, draw the ear fixed set up in on the support and with stopper direction cooperation is used for leading the swing of support, the extension spring connect in fixed ear with draw between the ear be used for the support provides the elasticity that resets, when the spring is in the unstressed state, the support is in the initial position of vertical direction, the stopper is the shock attenuation cushion, for drawing the friction between ear and the frame of isolated while providing spacing direction for drawing the ear.
The beneficial effects of the utility model are as follows: according to the tricycle adopting the leaf spring damping system, the tricycle adopting the leaf spring damping system is optimized, so that self-adaptive bearing contact between the buffer pad and the pressing surface of the auxiliary spring can be ensured, and in order to reduce friction loss and friction noise of the auxiliary spring when the stress contact of the auxiliary spring is rigidly contacted with the frame pressing mechanism, the corresponding polyurethane damping rubber pad (or similar material buffer block) is arranged on the frame pressing mechanism to change the rigid contact into the flexible contact, so that friction between the auxiliary spring and the frame pressing mechanism is relieved; still further, assemble hold-down mechanism on the frame through the bolt for at hold-down mechanism at auxiliary spring deformation in-process, can take place to rotate around the bolt in step along with the position change of working contact, reduce contact point frictional strength effectively, furthest reduces the friction between auxiliary spring and the frame and to the loss and the noise of work of leaf spring life-span, and adopt leaf spring shock mitigation system's tricycle simple structure, low cost, reliable operation.
Drawings
The utility model is further described below with reference to the drawings and examples:
FIG. 1 is a schematic view of a shock absorbing system according to the present utility model;
FIG. 2 is a schematic view of a leaf spring shock absorbing spring according to the present utility model;
FIG. 3 is a schematic view of the overall structure of the tricycle of the present utility model;
fig. 4 is a schematic view of another direction structure of fig. 3.
Detailed Description
Fig. 1 is a schematic structural view of the present utility model, fig. 2 is a schematic structural view of a leaf spring of the present utility model, fig. 3 is a schematic structural view of an entire structure of a tricycle of the present utility model, fig. 4 is a schematic structural view of another direction of fig. 3, as shown in the drawings, a tricycle employing a leaf spring damping system in this embodiment, the tricycle employs a leaf spring damping system including leaf springs and a pressing mechanism, the leaf springs include a main spring body formed by stacking a plurality of main leaf springs and a sub-spring body formed by stacking a plurality of sub-leaf springs, both ends of the main spring body (i.e., both ends along a length direction of the main spring body) form a connecting portion connected with a frame 10 and form a main spring body damping structure when in use, the sub-spring body is located above the main spring body and participates in damping deformation to a set position (the set position is determined by a length, an arc and an elastic coefficient of the main spring body) of the main spring body, the main spring body acts as a main spring absorber, and the sub-spring body is a main spring body, when a carriage bears a load, the main carriage is greatly descends, and the sub-body is also subjected to a large load, and the sub-spring body is not stressed by the two-spring body is involved in the damping absorber, and the two-stage damping absorber is reduced in the damping absorber, and the two-stage damping absorber is required to be reduced in the cost, and the damping absorber is greatly reduced; the compressing mechanism comprises a joint assembly and a self-adaptive adjusting assembly, wherein the joint assembly is used for ensuring that the frame 10 is in stressed contact with the auxiliary spring body, and the self-adaptive adjusting assembly is used for ensuring that the frame 10 is well attached to the contact surface of the auxiliary spring body when the auxiliary spring body is stressed in the second stage and the joint assembly is reset in time when the auxiliary spring body is stressed when the auxiliary spring body is released.
In this embodiment, vice spring body middle part and the laminating of main spring body, both ends upwards keep away from the main spring body gradually and form progressive shock-absorbing structure, two-stage formula shock-absorbing structure atress is more even, is in the same place in the position main spring body coincide near leaf spring middle part with vice spring body, reaches the stack assurance stress balance of stress point.
In this embodiment, the main reed of the main spring body forms upper portion reed group and lower part reed group, the both ends of upper portion reed group form connecting portion, lower part reed group middle part and upper portion reed group laminating, upper portion reed group formation main spring body progressive damping structure is kept away from down gradually at both ends, and the length of upper portion reed group is longer than lower part reed group, guarantees that the main spring body has good elasticity coefficient and reaches good shock attenuation effect.
In this embodiment, a plurality of vice reed coincide and length increase gradually in the direction of keeping away from the main spring body (adjacent vice reed from the top down length decreases gradually, can make the vice spring body have suitable elasticity coefficient, satisfies tricycle shock attenuation demand), upwarp simultaneously forms progressive shock-absorbing structure.
In this embodiment, the connecting portion is the reel, the auxiliary spring body both ends form contact plane 1a, contact plane 1a is upwards in contact with frame 10 and participate in the shock attenuation when the damping deformation of main spring body reaches the settlement position (by length, radian and the coefficient of elasticity of main spring body and auxiliary spring body decide this settlement position), contact plane 1a is used for supporting the carriage and for the carriage provides second grade holding power when the carriage bears great downforce, contact plane 1a that sets up on the auxiliary spring body can guarantee the carriage and contact plane 1 a's break away from and in the second grade shock attenuation bearing of spring body under the carriage in the heavy load condition, for the main spring body sharing the downforce, ensure the damping effect of whole bumper, the main spring body reaches the damping effect of progressive atress with the auxiliary spring body, increased the utilization efficiency of each reed, when the carriage bears the dead load and reaches certain degree, also move down along with the position of lug when the carriage, can also move down with the auxiliary spring body, the second side spring 1a is continued to the well, and further support member is carried out under the load bearing member 1a, and further can be carried out the second side spring 1, and further can realize the well-balanced transmission of force to the second side spring 1 through the vice spring 1, and further can realize the well-balanced load bearing member is passed through the second side spring 1, and the load bearing member is passed through the second side of the auxiliary spring 1, and the load bearing member is further can be passed through the second side bearing member is well under the bearing member is under the load 11. The coiled lug is used as a mounting foundation for assembling and positioning the leaf spring and the carriage, so that the connection with the carriage positioning and assembling can be ensured, meanwhile, the structure is simple, the manufacturing is simple, the cost is low, and the coiled lug is applied to a tricycle, and can meet the use strength and also consider the economical efficiency.
In this embodiment, the auxiliary spring body includes a first auxiliary spring 1, a second auxiliary spring 2 and a third auxiliary spring 3 with sequentially decreasing lengths from top to bottom, the main spring body includes an upper reed group formed by a first main spring 4 and a second main spring 5 and a lower reed group formed by a third main spring 6 and a fourth main spring 7, the rolling lug includes a front rolling lug 8a and a rear rolling lug 8b, the front rolling lug 8a is formed by curling a front end of the first main spring 4, the rear rolling lug 8b is formed by curling a rear end of the first main spring 4 and a rear end of the second main spring 5 is incompletely wrapped and attached to the outer side of the rear rolling lug 8 b.
In this embodiment, the locking hole is seted up at auxiliary spring body and main spring body middle part and will through interior bolt auxiliary spring body with main spring body locking stack is in the same place, and the reed is in the same place through interior bolt is whole to be overlapped, has increased the wholeness of the spring body, and the spring body is also in the intermediate position of the spring body with the junction part of axle simultaneously, and the intensity of the spring body intermediate position has been guaranteed greatly in the spring body middle part that links together, guarantees that the spring body can bear the load on great vertical direction, and economy is suitable for, has guaranteed under the prerequisite that does not increase spring body volume and quality that the spring body possess strongest load bearing intensity.
In this embodiment, the first main spring 4 and the second main spring 5 are fixedly connected through square hoops 11a at positions close to two ends of the rolling lug respectively, the first auxiliary spring 1 and the second auxiliary spring 2 are fixedly connected through square hoops 11a at positions close to the front rolling lug 8a, the first auxiliary spring 1 and the third main spring 6 are limited by a force transmission assembly at positions close to the rear rolling lug 8b, the first main spring 4 and the second main spring 5 with approximately equal lengths are tightly locked together through two square hoops 11a and an inner bolt at the center (namely, an upper reed group) to optimize the stress condition of the first main spring 4 and the second main spring 5, avoid the condition of stress concentration, increase the integrity of the first main spring 4 and the second main spring 5, connect the ends of the first main spring 4 and the second main spring 5 excessively, also avoid friction occurring between the first main spring 4 and the second main spring 5, and a bushing is arranged in the rolling lug, the support lugs are arranged on the carriage and are in running fit with the coiled lugs on the leaf springs, the friction between the support lugs and the coiled lugs is effectively avoided due to the arrangement of the bushings, the service life of the leaf springs is effectively ensured, meanwhile, the arranged bushings are convenient to maintain and replace, the use cost of a vehicle can be effectively reduced, the force transmission assembly has the effect that when the carriage is rapidly converted to a light load from the heavy load, the auxiliary springs are rapidly separated from the force to rebound, the force transmission assembly can effectively limit the rebound stroke of the auxiliary spring body at the moment, the rebound stroke of the rear end of the auxiliary spring body is avoided to be overlarge, the force transmission assembly is arranged at the rear end of the leaf springs because the change of the stress condition of the rear end of the leaf springs is larger, the condition that the rebound stroke of the auxiliary spring body is overlarge during rebound is avoided, the front end of the auxiliary spring body is still fixedly connected with the first auxiliary spring 1 and the second auxiliary spring 2 by adopting the square hoop 11a, the overall structural property of the auxiliary spring body is ensured to optimize the stress condition of the first auxiliary spring 1 and the second auxiliary spring 2.
In this embodiment, pass power subassembly includes strap 11b, spacing bolt and nut, strap 11b cladding is in the outside of third main spring 6, second main spring 5, first main spring 4 and first auxiliary spring 1, strap 11b is concave in laminating offer the connecting hole on the position of third main spring 6 bottom surface, the nut passes through the connecting hole with strap 11b and the 6 fixed connection of third main spring, spacing hole is offered at the both ends of strap 11b spacing bolt wears to locate in two spacing holes, the spacing bolt outside sets up the sleeve pipe, the sleeve pipe is located between the strap 11b both ends, pass power subassembly's setting has guaranteed the stroke of auxiliary spring body, has also improved to a certain extent the connection and the overall structure nature between main spring body and the auxiliary spring body, and the setting of pass power subassembly can guarantee the wholeness and the relative independence between auxiliary spring body well, makes the main body and the auxiliary spring body form the reed that the two-stage is gone forward to the extension and is taken place with the strap 11b both ends, and is guaranteed that the friction takes place to the fixed distance is taken place to the strap 11b to the side.
In this embodiment, the joint assembly includes support 9 and the blotter 9c of setting in support 9 below with frame 10 articulated, support 9 with can follow the mode of automobile body back and forth swing set up in frame 10 below and the articulated shaft setting direction of support 9 is along the Y axle direction of automobile body, the self-adaptation adjusting part includes fixed ear 10a, stopper 9b, draws ear 9a and extension spring 11, fixed ear 10a and stopper 9b all fix set up in on frame 10 and stopper 9b is located between fixed ear 10a and support 9, draw ear 9a fix set up in on support 9 and with stopper 9b guide fit is used for leading the swing of support 9, extension spring 11 connect in between fixed ear 10a with draw ear 9a be used for support 9 provides reset elasticity, when the spring is in the unstressed state, support 9 is in the initial position of vertical direction, stopper 9b is the shock attenuation cushion, is providing simultaneously for drawing between the spacing ear 9a of direction and the frame 10a of leading ear 9 a.
According to the tricycle adopting the leaf spring damping system, the tricycle adopting the leaf spring damping system is optimized, so that self-adaptive bearing contact between the buffer pad 9c and the pressing surface of the auxiliary spring can be ensured, and in order to reduce friction loss and friction noise of the auxiliary spring when the stress contact of the auxiliary spring is rigidly contacted with the compressing mechanism of the frame 10, a corresponding polyurethane damping rubber pad (or a similar material buffer block) is arranged on the compressing mechanism of the frame 10 to change the rigid contact into flexible contact, so that friction between the auxiliary spring and the compressing mechanism of the frame 10 is slowed down; still further, assemble hold-down mechanism on frame 10 through the bolt for in hold-down mechanism at auxiliary spring deformation in-process, can take place to rotate around the bolt in step along with the position change of working contact, reduce contact point frictional strength effectively, furthest reduces the friction between auxiliary spring and the frame 10 to loss and the noise of working of leaf spring life-span, and adopt leaf spring shock mitigation system's tricycle simple structure, low cost, reliable operation.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (9)
1. A tricycle adopting a leaf spring damping system is characterized in that: the device comprises a leaf spring and a pressing mechanism, wherein the leaf spring comprises a main spring body formed by superposing a plurality of main reeds and an auxiliary spring body formed by superposing a plurality of auxiliary reeds, the two ends of the main spring body form a connecting part connected with a frame and form a main spring body damping structure when in use, and the auxiliary spring body is positioned above the main spring body and participates in damping when the main spring body is damped and deformed to a set position, so that a progressive damping structure is formed; the compressing mechanism comprises a joint assembly and a self-adaptive adjusting assembly, the joint assembly is used for ensuring that the frame is in stressed contact with the auxiliary spring body, and the self-adaptive adjusting assembly is used for ensuring that the joint assembly resets in time when the frame is in contact with the contact surface of the auxiliary spring body when the auxiliary spring body is stressed in the second-stage stress and the auxiliary spring body is released from the stress.
2. The tricycle of claim 1 that employs a leaf spring cushioning system, wherein: the middle part of the auxiliary spring body is attached to the main spring body, and two ends of the auxiliary spring body are gradually far away from the main spring body upwards to form the progressive damping structure.
3. The tricycle of claim 1 that employs a leaf spring cushioning system, wherein: the main reed of the main reed body forms an upper reed group and a lower reed group, the two ends of the upper reed group form the connecting part, the middle part of the lower reed group is attached to the upper reed group, and the two ends of the lower reed group are gradually far away from the upper reed group downwards to form a main reed body progressive shock absorption structure.
4. The tricycle of claim 1 that employs a leaf spring cushioning system, wherein: the auxiliary reed pieces are overlapped in the direction away from the main reed body, the lengths of the auxiliary reed pieces are sequentially increased, and meanwhile, the auxiliary reed pieces are upwards tilted to form the progressive shock absorption structure.
5. The tricycle of claim 3 that employs a leaf spring cushioning system, wherein: the connecting part is a coiled lug, contact planes are formed at two ends of the auxiliary spring body, and the contact planes are contacted with the frame upwards and participate in shock absorption when the main spring body is deformed to a set position in a shock absorption mode.
6. The tricycle of claim 5 that employs a leaf spring cushioning system, wherein: the auxiliary spring body comprises a first auxiliary spring, a second auxiliary spring and a third auxiliary spring, the lengths of the first auxiliary spring, the second auxiliary spring and the third auxiliary spring are sequentially decreased from top to bottom, the main spring body comprises an upper reed group formed by the first main spring and the second main spring and a lower reed group formed by the third main spring and the fourth main spring, the front winding lug comprises a front winding lug and a rear winding lug, the front winding lug is formed by the front end of the first main spring in a winding mode, the rear winding lug is formed by the rear end of the first main spring in a winding mode, and the rear end of the second main spring is in an incomplete cladding mode and is attached to the outer side of the rear winding lug.
7. The tricycle of claim 6 that employs a leaf spring cushioning system, wherein: the auxiliary spring body is locked and overlapped with the main spring body through an inner bolt, the positions of the first main spring and the second main spring close to the two ends of the main spring are fixedly connected through square hoops respectively, the positions of the first auxiliary spring and the second auxiliary spring close to the front winding lug are fixedly connected through square hoops respectively, and the positions of the first auxiliary spring and the third main spring close to the rear winding lug are limited through a force transmission assembly.
8. The tricycle of claim 7 that employs a leaf spring cushioning system, wherein: the power transmission assembly comprises a hoop, a limit bolt and a nut, wherein the hoop is coated on the outer sides of a third main spring, a second main spring, a first main spring and a first auxiliary spring, the hoop is concave and is attached to the bottom surface of the third main spring, a connecting hole is formed in the position of the bottom surface of the third main spring, the nut is fixedly connected with the hoop and the third main spring through the connecting hole, limit holes are formed in two ends of the hoop, the limit bolt penetrates through the two limit holes, a sleeve is arranged on the outer side of the limit bolt, the sleeve is located between two ends of the hoop, and a sleeve is arranged on the outer side of the limit bolt and located between two ends of the hoop.
9. The tricycle of claim 1 that employs a leaf spring cushioning system, wherein: the self-adaptive adjusting component comprises a fixed lug, a limiting block, a pulling lug and a tension spring, wherein the fixed lug and the limiting block are fixedly arranged on the frame and are positioned between the fixed lug and the support, the pulling lug is fixedly arranged on the support and is matched with the limiting block in a guiding manner to guide the swing of the support, the tension spring is connected between the fixed lug and the pulling lug and is used for providing reset elastic force for the support, when the spring is in a non-stressed state, the support is positioned at an initial position in the vertical direction, the limiting block is a damping rubber pad, and the pulling lug provides limiting guiding for the pulling lug and simultaneously provides friction between the pulling lug and the frame.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210381074.9A CN114738412A (en) | 2022-04-12 | 2022-04-12 | Steel plate spring damping system and tricycle |
| CN2022103810749 | 2022-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692101U true CN219692101U (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210381074.9A Withdrawn CN114738412A (en) | 2022-04-12 | 2022-04-12 | Steel plate spring damping system and tricycle |
| CN202310173574.8A Active CN116044937B (en) | 2022-04-12 | 2023-02-27 | Leaf spring shock mitigation system and tricycle |
| CN202320331835.XU Active CN219692101U (en) | 2022-04-12 | 2023-02-27 | Tricycle adopting leaf spring damping system |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210381074.9A Withdrawn CN114738412A (en) | 2022-04-12 | 2022-04-12 | Steel plate spring damping system and tricycle |
| CN202310173574.8A Active CN116044937B (en) | 2022-04-12 | 2023-02-27 | Leaf spring shock mitigation system and tricycle |
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| Country | Link |
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| CN (3) | CN114738412A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116044937A (en) * | 2022-04-12 | 2023-05-02 | 河南隆鑫机车有限公司 | Leaf spring shock mitigation system and tricycle |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3204064A1 (en) * | 1982-02-06 | 1983-08-18 | Hoesch Werke Ag, 4600 Dortmund | Leaf spring suspension, especially for lorries |
| JP2988653B2 (en) * | 1994-08-29 | 1999-12-13 | 日産ディーゼル工業株式会社 | Vehicle suspension |
| CN201231663Y (en) * | 2008-06-14 | 2009-05-06 | 江苏宗申三轮摩托车制造有限公司 | Scroll ear shaped plate spring connection device |
| CN201694015U (en) * | 2010-02-04 | 2011-01-05 | 陕西同力重工股份有限公司 | Front suspension device of primary and secondary double-plate spring structure |
| CN209458328U (en) * | 2019-01-24 | 2019-10-01 | 厦门金龙联合汽车工业有限公司 | A kind of automobile leaf spring |
| DE102019212696A1 (en) * | 2019-08-23 | 2021-02-25 | Ford Global Technologies, Llc | Axle suspension for a vehicle |
| KR20210147535A (en) * | 2020-05-29 | 2021-12-07 | 현대자동차주식회사 | Leaf spring suspension system |
| CN215171748U (en) * | 2021-04-23 | 2021-12-14 | 江西五十铃汽车有限公司 | Combined plate spring structure |
| CN214874090U (en) * | 2021-06-08 | 2021-11-26 | 江苏金彭集团有限公司 | Novel auxiliary leaf spring limiting structure of leaf spring |
| CN113525004B (en) * | 2021-07-22 | 2023-03-24 | 江铃汽车股份有限公司 | Novel plate spring limiting block |
| CN114738412A (en) * | 2022-04-12 | 2022-07-12 | 河南隆鑫机车有限公司 | Steel plate spring damping system and tricycle |
-
2022
- 2022-04-12 CN CN202210381074.9A patent/CN114738412A/en not_active Withdrawn
-
2023
- 2023-02-27 CN CN202310173574.8A patent/CN116044937B/en active Active
- 2023-02-27 CN CN202320331835.XU patent/CN219692101U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116044937A (en) * | 2022-04-12 | 2023-05-02 | 河南隆鑫机车有限公司 | Leaf spring shock mitigation system and tricycle |
| CN116044937B (en) * | 2022-04-12 | 2024-06-21 | 河南隆鑫机车有限公司 | Leaf spring shock mitigation system and tricycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114738412A (en) | 2022-07-12 |
| CN116044937B (en) | 2024-06-21 |
| CN116044937A (en) | 2023-05-02 |
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