CN201235719Y - Single-point suspension device - Google Patents
Single-point suspension device Download PDFInfo
- Publication number
- CN201235719Y CN201235719Y CNU2008200497029U CN200820049702U CN201235719Y CN 201235719 Y CN201235719 Y CN 201235719Y CN U2008200497029 U CNU2008200497029 U CN U2008200497029U CN 200820049702 U CN200820049702 U CN 200820049702U CN 201235719 Y CN201235719 Y CN 201235719Y
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- China
- Prior art keywords
- leaf spring
- plate
- end cap
- point suspension
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000725 suspension Substances 0.000 title claims abstract description 45
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses a trailer single-point suspension device which is arranged on a trailer or semi-trailer frame and is used for connecting the trailer or semi-trailer frame. The trailer single-point suspension device comprises two axle assemblies for mounting tires, a suspension seat fixedly connected with the frame, a middle axle of which the middle section is arranged on the suspension seat in a penetrating way, two bearing blocks respectively sleeved at two ends of the middle axle, and two road spring components of which the middle parts are fixed on the bearing blocks. Two ends of each road spring component are respectively and fixedly connected with the two axle assemblies. The single-point suspension device has the function of back-and-forth obliquity prevention, can automatically adjust stress of the axles and the tires to be balanced, and realizes the modular production so as to cause the installation to be very convenient.
Description
Technical field
The utility model relates to a kind of suspension gear, relates in particular to a kind of be used to the connect vehicle frame of trailer or superimposed trailer and the suspension gear of tire.
Background technology
Suspension gear is one of major part of trailer or superimposed trailer, connects to ground together, and it mainly acts on is that the power of road surface to wheel is delivered on the vehicle body, to guarantee trailer or superimposed trailer cruising.
The suspension gear of tradition usefulness is according to independent installation the before and after the axle aggregate grouping, two groups of wheels do not have the function of automatically regulating height, when driving a vehicle in the bad especially heave of the sea of road conditions highway section, the two groups of wheels in front and back are subjected to force unbalance, cause easily owing to the excessive accident that takes place of single group tire force.
No. 00228953.9 disclosed a kind of superimposed trailer suspension gear of China's utility model patent, with reference to figure 1, Fig. 2, it comprises front frame, medium-height trestle, the after poppet that is welded on the frame beam, be installed on the equalizing bar in the medium-height trestle, movable steel plate spring assembly between forward and backward support and equalizing bar, the scaffold bracket assembly that connects steel plate spring assembly and axletree, and connecting rod assembly etc.The suspension gear parts of this form are more, the axletree location will be finished by steel spring assembly, scaffold bracket assembly and forward and backward support and equalizing bar, need be fixedly mounted on six supports on the frame beam by welding or other methods of attachment, guarantee that each is parallel to each other but also need regulate the diaxon four-wheel by the adjustment connecting rod, fitting process is very complicated.
Up-to-date suspension gear is the diaxon suspension gear in trailer or the superimposed trailer industry at present, this device is two supports about production sharing, find out the distance of towing pin center when mounted to the suspension center, adjust the line of centers and the vehicle frame central lines of diaxon, then two supports are welded on the vehicle frame, by four adjustable connecting-rods wheelbase are adjusted at last.This mode will be measured when mounted, welds, adjust, and the more installation process that makes of installation steps is made mistakes easily, and therefore the technical ability to the installer requires to have reduced production efficiency than higher, has increased manufacturing cost.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of be used to connect trailer or semi-trailer frame and tire, thereby can be under different road conditions each axletree of automatically regulating and tire balance is stressed has the function that prevents that vehicle frame from tilting forward and back, and realize that modularization produces easy-to-install single-point suspension.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of single-point suspension that is installed on trailer or semi-trailer frame, comprise two axle aggregates that are used to install tire, also comprise the hangoff receptacle of captiveing joint with vehicle frame, the stage casing is arranged in the axis of this hangoff receptacle, be sheathed on two bearing seats at these axis two ends respectively, the middle part is individually fixed in two steel spring assemblies of described two bearing seats, captives joint with described two axle aggregates respectively in the two ends of each described steel spring assembly.
As improvement of the technical scheme, described axis is captiveed joint with described hangoff receptacle, and described axis and described bearing seat flexibly connect.
As improvement of the technical scheme, described axis two ends are provided with dustproof end cap.
As improvement of the technical scheme, described hangoff receptacle comprises a panel, two blocks of side plates, two brace panels and a crossbeam, captive joint with described panel in the top of described side plate, captive joint with described axis in the bottom of described side plate, captive joint with described side plate in described brace panel two ends and crossbeam two ends, described panel is captiveed joint with described vehicle frame.
As the improvement of previous technical scheme, described panel and described vehicle frame are bolted to connection.
Improvement as first technical scheme, the utility model single-point suspension also comprises the leaf spring pressing plate and first bolt, this first bolt is arranged in this leaf spring pressing plate and described bearing seat, and described leaf spring pressing plate and described bearing seat clamp the middle part of described steel spring assembly.
As the improvement of previous technical scheme, described first bolt is a U-bolt, captives joint with described leaf spring pressing plate in these first bolt two ends.
Improvement as first technical scheme, the described plate spring assembly of described steel spring assembly also comprises the spring block assembly that is arranged at its two ends, this spring block assembly comprises leaf spring end cap, leaf spring backing plate, wheel shaft pressuring plate and second bolt, described leaf spring backing plate is arranged at the downside of the end of described plate spring assembly, described leaf spring end cap is captiveed joint with described leaf spring backing plate and is sheathed on the end of plate spring assembly, described shaft pressuring plate and the described leaf spring backing plate pinch wheels axle assembly of taking turns, described second bolt connects described leaf spring end cap, described leaf spring backing plate and the described shaft pressuring plate of taking turns.
Improvement as previous technical scheme, described leaf spring end cap comprises two opposing sideplates, connects the end plate of the top board of described side plate, described two side plates of connection and top board, described spring block assembly also comprises cover in the end cap, and cover is consistent with described leaf spring end cap shape in the described end cap.
As the improvement of previous technical scheme, cover is a rubber shelly body in the described end cap.
The beneficial effects of the utility model are: the suspension gear in the utility model only is installed on vehicle frame by a panel on the hangoff receptacle, form the form that single-point hangs, load is applied on the axis, again by the in relative rotation back balance of load automatically regulating is assigned on each wheel shaft and the wheel between steel spring assembly and the axis, and the road surface of arching upward at arc regulate before and after the height of wheel shaft and wheel ensure the vehicle frame anterior-posterior balance, prevent that trailer from tilting forward and back.This suspension gear forms modularization, only is installed on vehicle frame by a panel, wherein can be installed under the vehicle frame by default cooresponding hole and bolt, does not need to measure, adjusts and welding, and its installation process is very simple, has improved production efficiency.In addition, in the utility model, between the steel spring assembly of steel spring assembly and wheel shaft installation place and leaf spring end cap, increased in the end cap of elastomeric material and overlapped, played the effect of damping, buffering, effectively reduced the noise that produces in the vehicle '.In the utility model for rotary parts such as axis increased end cap and and slip place of steel spring assembly increase lid and carry out close and protect; under harsh environment, play preventing that sand and dust from entering sliding position and guaranteeing the good lubrication effect, guaranteed the durability of device.
Description of drawings
Fig. 1 is the structural representation of the superimposed trailer suspension gear of No. 00228953.9, Chinese utility model patent;
Fig. 2 is the structural representation of looking up of Fig. 1;
Fig. 3 is the schematic perspective view of the utility model single-point suspension;
Fig. 4 is the schematic perspective view of hangoff receptacle and axis;
Fig. 5 is the structural representation of hangoff receptacle shown in Figure 4 and axis;
Fig. 6 is the cutaway view of Fig. 5 along the A-A direction;
Fig. 7 is the schematic perspective view of cover in the end cap;
Fig. 8 is the positive partial schematic sectional view of single-point suspension shown in Figure 3;
Fig. 9 is the lateral plan of Fig. 8.
The specific embodiment
A kind of single-point suspension that is installed on trailer or semi-trailer frame of the utility model, comprise a middle axle assembly, two plate spring assemblies and two axle aggregates, axle assembly is captiveed joint with vehicle frame in above-mentioned, the middle part of two above-mentioned plate spring assemblies is articulated in axle assembly both sides in this, two axle aggregates are used to install tire, captive joint with described two axle aggregates respectively in the two ends of each described plate spring assembly.Wherein leaf spring is the abbreviation of steel spring.
With reference to figure 3, Fig. 4, above-mentioned middle axle assembly 60 comprises hangoff receptacle 10 and axis 15, and hangoff receptacle 10 is captiveed joint with vehicle frame, and the end of this hangoff receptacle 10 away from vehicle frame is fixed in the stage casing of axis 15.Each described plate spring assembly comprises a bearing seat 24 and a steel spring assembly 22, and bearing seat 24 is articulated in described axis 15 two ends respectively, and the middle part of steel spring assembly 22 is fixed on the bearing seat 24.Captive joint with described axle aggregate 60 respectively in the two ends of each steel spring assembly 22.Thereby form a suspension gear by rectangular arrangement, wherein hangoff receptacle 10 is positioned at the middle part, axis 15 is arranged at the lower end of hangoff receptacle 10 along left and right directions, two steel spring assemblies 22 are set in parallel in the left and right sides of hangoff receptacle 10 and are articulated in the two ends of axis 15 by bearing seat 24, and two axle aggregates 60 are set in parallel in hangoff receptacle both sides, 10 front and back and captive joint with the end of steel spring assembly 22.
Described hangoff receptacle 10 is with after vehicle frame is captiveed joint, axis 15 also with regard to relative fixed on vehicle frame, and axle aggregate and plate spring assembly also are the connection locations that is fixedly connected to form rectangular distribution in twos, therefore formed a base of being made up of axle aggregate and plate spring assembly, this base can rotate to an angle around axis.Captive joint with vehicle frame or two two kinds of diaxon suspension gears that support connects to ground by six supports with respect to existing, suspension gear of the present utility model be by an independent hangoff receptacle 10 install and fix with vehicle frame on, be called the single-point suspension type.The axis of the suspension gear of this form is fixed with respect to vehicle frame, therefore can be applied to the load of vehicle frame on the axis, be assigned on each wheel shaft and the wheel by the load automatically regulating back balance that relatively rotates between steel spring and the axis again, and the road surface of arching upward at arc regulate before and after the height of wheel shaft and wheel ensure the vehicle frame anterior-posterior balance, prevent that the vehicle frame of trailer or superimposed trailer from tilting forward and back.This suspension gear forms modularization, only is installed on vehicle frame by a panel, wherein can be installed under the vehicle frame by default cooresponding hole and bolt, does not need to measure, adjusts and welding, and its installation process is very simple, has improved production efficiency.
Certainly, above-mentioned axis 15 also can be fixed on the bearing seat 24 of plate spring assembly, and flexibly connects by hinge with hangoff receptacle 10.Even two segments are separately fixed at the bearing seat 24 of the plate spring assembly of both sides about can being divided into axis.
More preferably; an end cap 16 that prevents that sand and dust from entering can respectively be set at described axis 15 two ends; this end cap 16 can cover the end of the both sides between bearing seat 24 and the axis 15; avoid sand and dust soil to enter gap between bearing, bearing seat 24 and the axis 15; protect sliding position and guaranteeing good lubricating effect, thereby increasing the durability of installing.
In more detail, above-mentioned hangoff receptacle 10 comprises a panel 11, two blocks of side plates 12, two brace panels 14 and crossbeams 13, captive joint with panel 11 in the top of side plate 12, captive joint with axis 15 in the bottom of side plate 12, captive joint with side plate 12 in brace panel 14 two ends, captive joint with side plate 12 in crossbeam 13 two ends, panel 11 is captiveed joint with described vehicle frame.Certainly, panel 11 should be parallel with axis 15, and it is parallel to the ground to make vehicle frame and panel 11 that the back vehicle frame is installed.Above-mentioned captive joint mode is preferably welded.
In order to make whole hangoff receptacle 10 firmer, above-mentioned side plate 12 should be provided with perpendicular to panel 11 and axis 15, crossbeam 13 promptly is parallel to axis 15 perpendicular to two side plates 12, brace panel 14 promptly is parallel to axis 15 perpendicular to two side plates 12, preferably captives joint respectively with panel 11 and axis 15 in the other both sides of this brace panel 14.In this hangoff receptacle 10, panel 11 is the parts that connect vehicle frame and this suspension gear, side plate 12 is the parts that connect panel 11 and axis 15, be support frame and ground be delivered to the major part of vehicle frame in the face of the supporting power of suspension gear that brace panel 14 and crossbeam 13 all are the parts of strengthening this hangoff receptacle 10 impregnabilityes.
More preferably, above-mentioned panel 11 is provided with some through holes 112, and described vehicle frame is provided with the cooresponding perforation in some and described through hole 112 positions, and described panel 11 is bolted to connection with described vehicle frame.Certainly, connection mode herein also can be welding or other connection mode, is the more convenient installation of bolted mode.
The utility model single-point suspension further comprises the leaf spring pressing plate 25 and first bolt 26, and leaf spring pressing plate 25 and bearing seat 24 clamp the middle part of steel spring assembly 22, and leaf spring pressing plate 25 is connected together by first bolt 26 with bearing seat 24.Certainly more firm in order to guarantee clamping, what bearing seat 24 contacted with steel spring assembly 22 should be the plane.
More preferably, described first bolt 26 is U-bolts, and around bearing seat 24, captive joint with leaf spring pressing plate 25 by nut 27 by the two ends of opening part away from U type opening one side for this first bolt 26.Use a U-bolt can replace two straight line bolts, reduced the quantity of nut, the convenient installation.
Plate spring assembly described in the utility model single-point suspension also comprises the spring block assembly 30 that is arranged at its two ends, this spring block assembly comprises leaf spring end cap 31, leaf spring backing plate 32, wheel shaft pressuring plate 34 and second bolt 36, described leaf spring backing plate 32 is arranged between the end and wheel shaft 62 of steel spring assembly 22, leaf spring end cap 31 is captiveed joint with leaf spring backing plate 32 and is sheathed on the end of steel spring assembly 22, wheel shaft pressuring plate 34 clamps wheel shaft 62, the second bolts 36 captive joint leaf spring end caps 31, leaf spring backing plate 32 and wheel shaft pressuring plate 34 with leaf spring backing plate 32.The end of steel spring assembly 22 also is provided with a buckle ear, second bolt 36 is after shaft pressuring plate 34 is fixedly connected on leaf spring backing plate 32 and wheel leaf spring end cap 31, guarantees to be connected between steel spring assemblies 22 and the axle aggregate 60 and firmly is difficult for dropping out thereby above-mentioned buckle ear fastens wheel shaft 62.
More preferably, the end bending certain angle of a longest leaf spring of above-mentioned buckle ear lead spring assembly 22 forms.
More specifically, described leaf spring end cap 31 comprises the end plate of top board, described two side plates of connection and the top board of two opposing sideplates, the described side plate of connection.This leaf spring end cap 31 is connected the back and forms an end cover with leaf spring backing plate 32, for the end of steel spring assembly 22 provides the totally-enclosed protection of dustproof anti-sandy soil, thereby can adapt to the particularly more road conditions of sand and dust soil of abominable road conditions.
More specifically, above-mentioned spring block assembly 30 also comprises cover 50 in the end cap, cover 50 is consistent with leaf spring end cap 32 shapes in the end cap, the end plate 56 that comprises top board 52, described two side plates 54 of connection and the top board 52 of two opposing sideplates 54, the described side plate 54 of connection, cover 52 is arranged between the end of leaf spring end cap 32 and steel spring assembly 22 in this end cap, play the effect of damping, buffering, effectively reduce the noise that produces in the vehicle ', and reduced the end of steel spring assembly 22 and the wearing and tearing between the leaf spring end cap 32, prolonged the service life of device.
For the effect of better performance damping, buffering, cover 50 adopts rubber to make in the above-mentioned end cap.Thereby when four tires and ground contact position not at grade the time, because the buffer action of cover 50 in the distortion of steel spring assembly self and the end cover rubber, make that four tires all can kiss the earth, guaranteed four tire force balances, thereby made suspension gear safer, durable.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1, a kind of single-point suspension that is installed on trailer or semi-trailer frame, comprise two axle aggregates that are used to install tire, it is characterized in that: also comprise the hangoff receptacle of captiveing joint with vehicle frame, the stage casing is arranged in the axis of this hangoff receptacle, be sheathed on two bearing seats at these axis two ends respectively, the middle part is individually fixed in two steel spring assemblies of described two bearing seats, captives joint with described two axle aggregates respectively in the two ends of each described steel spring assembly.
2, single-point suspension as claimed in claim 1 is characterized in that: described axis is captiveed joint with described hangoff receptacle, and described axis and described bearing seat flexibly connect.
3, single-point suspension as claimed in claim 1 or 2 is characterized in that: described axis two ends are provided with dustproof end cap.
4, single-point suspension as claimed in claim 1 or 2, it is characterized in that: described hangoff receptacle comprises a panel, two blocks of side plates, two brace panels and a crossbeam, captive joint with described panel in the top of described side plate, captive joint with described axis in the bottom of described side plate, captive joint with described side plate in described brace panel two ends and crossbeam two ends, described panel is captiveed joint with described vehicle frame.
5, single-point suspension as claimed in claim 4 is characterized in that: described panel and described vehicle frame are bolted to connection.
6, single-point suspension as claimed in claim 1, it is characterized in that: also comprise the leaf spring pressing plate and first bolt, this first bolt is arranged in this leaf spring pressing plate and described bearing seat, and described leaf spring pressing plate and described bearing seat clamp the middle part of described steel spring assembly.
7, single-point suspension as claimed in claim 6 is characterized in that: described first bolt is a U-bolt, captives joint with described leaf spring pressing plate in these first bolt two ends.
8, single-point suspension as claimed in claim 1, it is characterized in that: the described plate spring assembly of described steel spring assembly also comprises the spring block assembly that is arranged at its two ends, this spring block assembly comprises the leaf spring end cap, the leaf spring backing plate, the wheel shaft pressuring plate and second bolt, described leaf spring backing plate is arranged at the downside of the end of described plate spring assembly, described leaf spring end cap is captiveed joint with described leaf spring backing plate and is sheathed on the end of plate spring assembly, described shaft pressuring plate and the described leaf spring backing plate pinch wheels axle assembly of taking turns, described second bolt connects described leaf spring end cap, described leaf spring backing plate and the described shaft pressuring plate of taking turns.
9, single-point suspension as claimed in claim 8, it is characterized in that: described leaf spring end cap comprises two opposing sideplates, connects the end plate of the top board of described side plate, described two side plates of connection and top board, described spring block assembly also comprises cover in the end cap, and cover is consistent with described leaf spring end cap shape in the described end cap.
10, single-point suspension as claimed in claim 9 is characterized in that: cover is a rubber shelly body in the described end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200497029U CN201235719Y (en) | 2008-06-25 | 2008-06-25 | Single-point suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200497029U CN201235719Y (en) | 2008-06-25 | 2008-06-25 | Single-point suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201235719Y true CN201235719Y (en) | 2009-05-13 |
Family
ID=40648458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200497029U Expired - Fee Related CN201235719Y (en) | 2008-06-25 | 2008-06-25 | Single-point suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201235719Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848830A (en) * | 2021-03-31 | 2021-05-28 | 芜湖造船厂有限公司 | Special vehicle suspension system |
-
2008
- 2008-06-25 CN CNU2008200497029U patent/CN201235719Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848830A (en) * | 2021-03-31 | 2021-05-28 | 芜湖造船厂有限公司 | Special vehicle suspension system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HESHI XIELI MECHANICAL MANUFACTURING CO., LTD., FO Free format text: FORMER OWNER: HE CHIFENG Effective date: 20100722 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528515 HO S MECHANICAL MANUFACTURING (FOSHAN) CO., LTD.,YANGMEI 3RD INDUSTRIAL ZONE, YANGHE TOWN, GAOMING DISTRICT, FOSHAN CITY, GUANGDONG PROVINCE TO: 528515 YANGMEI 3RD INDUSTRIAL ZONE, YANGHE TOWN, GAOMING DISTRICT, FOSHAN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100722 Address after: Yang He Zhen Yang Mei Industrial Zone Third 528515 Guangdong province Gaoming District of Foshan City Patentee after: Heshi Xieli Mechanical Manufacturing Co., Ltd., Foshan Address before: Yang He Zhen Yang Mei Industrial Zone Third 528515 Guangdong province Gaoming District of Foshan City Ho's Machinery Manufacturing Co. Ltd. in Patentee before: He Chifeng |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20120625 |