CN201439359U - Front overhang full floating device of heavy truck cab - Google Patents
Front overhang full floating device of heavy truck cab Download PDFInfo
- Publication number
- CN201439359U CN201439359U CN2009200877836U CN200920087783U CN201439359U CN 201439359 U CN201439359 U CN 201439359U CN 2009200877836 U CN2009200877836 U CN 2009200877836U CN 200920087783 U CN200920087783 U CN 200920087783U CN 201439359 U CN201439359 U CN 201439359U
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- shaft
- front overhang
- arm
- flip
- operator
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Abstract
The utility model discloses a front overhang full floating device of a heavy truck cab, comprising a stabilizer bar. Both ends of the stabilizer bar are connected with an overturn arm and a transition bracket, the transition bracket is connected with an overturn bracket, the stabilizer bar is connected with the overturn arm in a welding way, an overturn shaft hole is arranged at the lower end of the overturn arm, an overturn shaft is connected with the overturn shaft hole on the overturn arm and is limited on the overturn bracket, one end of a damping device is connected with the overturn shaft, and a lower limit block is arranged on the overturn bracket. The stabilizer bar and the overturn arm are in an integral type welding structure, and therefore, the stability performance of the cab is enhanced, and the structure is reasonable and compact.
Description
Technical field
The utility model belongs to auto parts and components, is specifically related to the floating full device of a kind of heavy card operator's compartment front overhang.
Background technology
The floating full device of the operator's compartment front overhang that has occurred in the market is 200620095941.9 the floating full device of operator's compartment front overhang as the patent No., about comprising before mounting assembly and the assembling of intermediate lateral stabilizer rod three parts be formed by connecting.
This operator's compartment front overhang deficiency of floating device entirely reacts as follows:
A stabilizer rod and left and right sides flip-arm bolted connection become flexible easily, cause the stability variation of operator's compartment;
B lower limit application force acts directly on the flip-arm, makes the actual downward stroke of beating of design lower limit stroke and operator's compartment inconsistent, causes car body component and vehicle chassis component interference may occur;
C spring and bumper are arranged apart, make installing space excessive;
The last fulcrum of D bumper is in the place ahead of lower fulcrum, and promptly bumper turns forward, when causing car brakeing, comparatively significantly " nodding " phenomenon appears, also on flip-arm, there is moment loading in the lower fulcrum of bumper with invert center simultaneously, and the motion to operator's compartment produces intervention inevitably.
The E trip shaft flexibly connects by composite bush and turnover bracket, but because the inside lubricating condition is insufficient, after end time use, wearing and tearing too early appear in composite bush easily, cause gap increase, the generation abnormal sound;
The F flip-arm is connected with the front overhang upper bracket by the rubber bush of a flange, though this rubber bush end face has rubber to intercept between two metal pieces, this rubber ends surface wear is too fast, causes occurring too early the abnormal sound phenomenon;
The floating full device of this front overhang of G can only the mounting spring bumper, can not expand the air bag bumper is installed.
Summary of the invention
The purpose of this utility model is to provide a kind of floating full device of heavily card operator's compartment front overhang that overcomes above-mentioned defective.
The technical solution of the utility model is: heavily block the floating full device of operator's compartment front overhang, it comprises stabilizer rod, stabilizer rod two ends bonded assembly flip-arm, transition bracket, transition bracket connects turnover bracket, and stabilizer rod and flip-arm are welded to connect, the upset axis hole is offered in the flip-arm lower end, trip shaft is connected with upset axis hole on the flip-arm, and trip shaft is limited on the turnover bracket, and an end of shock absorption device is connected with trip shaft; Set limiting stopper on the turnover bracket.
Described flip-arm upper end is articulated and connected with the front overhang support, and the other end of dampening arrangement and front overhang support are articulated and connected.
The upper link point of described shock absorption device is at following pivotally attached rear.
It is corresponding with lower position block to connect upper limit mechanism on the described front overhang support.
Described upper limit mechanism comprises and front overhang support bonded assembly limit shaft that the limit shaft lower end connects upper limit position block
Described limit shaft passes flip-arm, establishes the upset limiting stopper on the limit shaft, and the upset limiting stopper is placed on the flip-arm.
Advantage of the present utility model:
A stabilizer rod and flip-arm are the integral type welded structure, have improved the stability of operator's compartment;
The B lower position block is installed on the turnover bracket, and the lower limit application force is acted directly on the vehicle frame, and it is consistent to guarantee that spacing stroke of design and actual operator's compartment move downward stroke, has prevented the interference that may occur;
C spring and bumper or air bag and bumper adopt one-piece construction, and it is less to make it to take up room;
The last fulcrum of D bumper is at the rear of lower fulcrum, be the bumper 0-5 degree that recedes, avoid car brakeing to produce " nodding " phenomenon, the bumper lower fulcrum is in the center of trip shaft simultaneously, applied moment to trip shaft is zero, can not produce any intervention to the motion of operator's compartment.
The upset hinged support of E operator's compartment is an aligning roller bearing arrangement, makes between trip shaft and the flip-arm and both can rotate mutually, can carry out the swing in the small angle range again;
Increase wear-resisting non-metallic gasket and composite bush in the articulated mounting of F flip-arm and upper bracket, reduced wearing and tearing and abnormal sound;
The universal structure of G air bag and spring damper has satisfied user's choosing and has adorned needs;
Description of drawings
Fig. 1 the utility model assembly structure scheme drawing.
The left view of Fig. 2 Fig. 1.
Fig. 3 integral type is stablized the switching mechanism scheme drawing.
The connection diagram of Fig. 4 trip shaft and turnover bracket and pressing plate.
The left view of Fig. 5 Fig. 4.
The specific embodiment
Present embodiment is used for the explanation to utility model right claim, and protection domain of the present utility model is not limited to the structure of following description.The following changing of design of being done in those skilled in the art's technical solutions of the utility model that is different from all belongs to protection domain of the present utility model.
As shown in Figure 1, front overhang support 1 is articulated and connected with the upper end of switching mechanism 2, and switching mechanism 2 lower ends connect turnover bracket 4, and turnover bracket 4 is connected with transition bracket 5, and transition bracket 5 is installed in (not shown) on the vehicle frame.Connect lower position block 6.3 on the turnover bracket 4.
As shown in Figure 2, shock absorption device 8 adopts spring damper in the present embodiment, and the spring damper upper end is articulated and connected with front overhang support 1, and the lower end is connected with the trip shaft 2.13 of switching mechanism 2, by shaft end nut 10 location (Fig. 1).Upper limit mechanism comprises that limit shaft 6 is inverse-T-shaped by screw thread and front overhang support 1 bonded assembly limit shaft 6, and limit shaft 6 passes flip-arm 2.1., and it is fastened on the front overhang support 1 by back tightening nut 6.1.Establish upset limiting stopper 6.5 on the limit shaft 6, upset limiting stopper 6.5 is placed on the flip-arm 2.1; Upper limit position block 6.2 is enclosed within on the limit shaft and contacts with the big end 6.4 of limit shaft.
As shown in Figure 3, switching mechanism 2 comprises that flip-arm 2.1 (because this mechanism's left and right sides symmetrical configuration represents all that at these all labels the right side suspends), stabilizer rod 2.2, stabilizer rod 2.2 are welded to connect with flip-arm 2.1; Flip-arm 2.1 is a precision cast structure, the upper end interference press-fits rubber bush 2.4, composite bush 2.7 is pressed into the rubber bush endoporus, abrasion resistant polyurethane packing ring 2.3 is equipped with at two end boss places at rubber bush, be articulated and connected by bearing pin 2.5 and front overhang upper bracket 1, and by nut 2.6 bearing pin 2.5 and upper bracket are fastened as one, flip-arm 2.1 produces mutually with bearing pin 2.5 by composite bush 2.7 and rotates.Circumferential welding is carried out with stabilizer rod 2.2 in the other end inboard of flip-arm 2.1, and stabilizer rod 2.2 is solid round steel, and two ends adopt the mode of heating forging and pressing to forge slightly, with the weld strength of reinforcement flip-arm 2.1 with stabilizer rod 2.2.Bearing 2.10 is pressed in the trip shaft 2.13, and fastening with bolt 2.9, form the trip shaft tape spool and hold assembly.In flip-arm 2.1 apertures, the bowl-type rubber pad circle 2.8 of packing into successively, trip shaft tape spool hold assembly, and the jump ring 2.11 of packing into then is spacing, need pour enough greases in bowl-type rubber pad circle inside, last indentation sealing circle 2.12.After the assembling, stabilizer rod 2.2 can rotate mutually with trip shaft 2.13 and can swing in the small angle range.
Shown in Fig. 4,5, the structure that trip shaft 2.13 is limited on the turnover bracket comprises the connection groove shaft part of establishing on the trip shaft 2.13 2.14, establish on the turnover bracket with trip shaft on be connected the corresponding arc groove 2.15 of groove shaft part, connection groove shaft part on the trip shaft 2.13 is connected with the arc groove on the turnover bracket, match with pressing plate in connection groove shaft part top on the trip shaft, pressing plate 3 is connected with turnover bracket 4.The plane 2.13.1 cooperation that contacts with the pressing plate plane is established on connection groove shaft part top on the trip shaft 2.13.
Left and right sides front overhang upper bracket is the precision cast structure of symmetry, whole wall thickness is 5-6mm, totally 8 bolts hole and operator's compartment are fastenedly connected by front, bottom surface and three attachment faces of medial surface, fulcrum, the mounting hole of limit shaft and the U type interface of flip-arm are combined removing the work office on this front overhang upper bracket on the bumper simultaneously, the bumper installing space adopts semi-circular structure simultaneously, both promoted the support strength that bumper is installed, considered enough installing spaces of spring damper or air bag bumper again, and the semicircle result can effectively protect also to the rubber pneumatic bag of air bag bumper.This front overhang upper bracket is a hard parts, bears and transmit all application forces of operator's compartment, by bumper fulcrum and flip-arm U type interface, with all force transmission to vehicle frame.
Left and right sides transition bracket is designed to same part, adopt precision cast structure, whole wall thickness is 8-12mm, captive joint with the vehicle frame aerofoil, by four top elongated holes the front overhang device is fixed on it, the design of four elongated holes is the manufacturing assembly errors for the width error of eliminating vehicle frame and left and right sides suspension point, guarantees the smooth assembling of the floating full device of front overhang in main engine plants.
Integral type is stablized switching mechanism and is adopted the weld-on installation structure, left and right sides flip-arm is a precision cast structure, be pressed into hinge bush in the big stomidium, be articulated and connected by fastening bearing pin and front overhang upper bracket, inboard and the stabilizer rod circumferential welding in small end hole, form stabilizer rod band flip-arm welding assembly, be equipped with the trip shaft tape spool at the opposite side of the little stomidium of left and right sides flip-arm and hold assembly, trip shaft can freely rotate, and in small angle range, freely swinging, can eliminate the influence of the vibration of operator's compartment like this to trip shaft.Flip-arm middle part rhombus slotted hole structure Design makes limit shaft can not interfere with flip-arm.Welded type stabilizer rod band flip-arm assembly has stronger rigidity, makes about the operator's compartment front overhang to move synchronously, has guaranteed the stability of operator's compartment well, and the upset of operator's compartment, the needs of driving vibration have been satisfied in the mutual rotation of trip shaft and flip-arm.
The utility model position limiting structure will spacingly up and down carry out integrated with the spacing function of upset, comprise a limit shaft, a lower position block that is installed on the turnover bracket, a upper limit position block that freely is enclosed between limit shaft and the flip-arm, one freely is inserted in limit shaft and is placed on upset limiting stopper on the flip-arm.Under the cruising operating mode; spacing up and down idle travel has satisfied the needs of the normal bob of operator's compartment; this moment is spacing does not up and down have an effect; can not influence the vibration comfort energy; and work as operator's compartment under big distortion road surface or other limiting condition; the this moment of spacing generation effect up and down; prevent that the excessive of operator's compartment from beating; and then protect other parts; but the design of upset limiting stopper all can not be worked under any operating mode, has only when driver's cab turnover, and the limit shaft back tightening nut just is pressed on the upset limiting stopper; the application force that prevents whole operator's compartment all drops on the bumper, and then damages bumper.
Spring damper or air bag bumper upper end are installed on the front overhang upper bracket of the left and right sides, and hypomere is installed on the fixing trip shaft, and last fulcrum vertically or is partially spent in lower fulcrum 5, makes the operator's compartment glancing impact, reduces " nodding " phenomenon.All-in-one-piece spring damper or air bag bumper are as main support and damper element, and the vibration of transmission and decay operator's compartment is the main guarantee of ride comfort energy.
Turnover bracket supports trip shaft, and compresses by pressing plate, and pressing plate has the anti-rotation plane, prevents that trip shaft from rotating relative to turnover bracket.Turnover bracket and pressing plate are precision cast structure, have the back taper boss on the turnover bracket, and lower position block is installed on this boss.
The articulated mounting of flip-arm and upper bracket, be pressed into the flanged rubber bush in two ends in the flip-arm macropore, the lining two ends have two abrasion resistant polyurethane packing rings to be through on the flange, eliminate the gap of flip-arm and upper bracket, and prevent to produce abnormal sound, and at the rubber bush endoporus composite bush being housed, fastening bearing pin couples together flip-arm and upper bracket, and bearing pin and upper bracket are fastened as one with nut, prevent the mutual rotation of bearing pin and upper bracket.
Claims (10)
1. one kind is heavily blocked the floating full device of operator's compartment front overhang, it comprises stabilizer rod, stabilizer rod two ends bonded assembly flip-arm, transition bracket, transition bracket connects turnover bracket, it is characterized in that stabilizer rod and flip-arm are welded to connect, the upset axis hole is offered in the flip-arm lower end, trip shaft is connected with upset axis hole on the flip-arm, and trip shaft is limited on the turnover bracket, and an end of shock absorption device is connected with trip shaft; Set limiting stopper on the turnover bracket.
2. heavily block the floating full device of operator's compartment front overhang according to claim 1, it is characterized in that the structure that trip shaft is limited on the turnover bracket comprises the connection groove shaft part of establishing on the trip shaft, establish on the turnover bracket with trip shaft on be connected the corresponding arc groove of groove shaft part, connection groove shaft part on the trip shaft is connected with the arc groove on the turnover bracket, match with pressing plate in connection groove shaft part top on the trip shaft, pressing plate is connected with turnover bracket.
3. as the floating full device of heavy card operator's compartment front overhang as described in the claim 2, it is characterized in that connection groove shaft part top on the trip shaft establishes the plane cooperation that contacts with the pressing plate plane.
4. heavily block the floating full device of operator's compartment front overhang according to claim 1, it is characterized in that the flip-arm upper end is articulated and connected with the front overhang support, the other end of dampening arrangement and front overhang support are articulated and connected.
5. heavily block the floating full device of operator's compartment front overhang according to claim 1, it is corresponding with lower position block to it is characterized in that connecting upper limit mechanism on the front overhang support.
6. as the floating full device of heavy card operator's compartment front overhang as described in the claim 5, it is characterized in that upper limit mechanism comprises and front overhang support bonded assembly limit shaft, the limit shaft lower end connects upper limit position block.
7. as the floating full device of heavy card operator's compartment front overhang as described in the claim 6, it is characterized in that limit shaft is inverse-T-shaped, upper limit position block is enclosed within on the limit shaft and the big end in contact of limit shaft.
8. as the floating full device of heavy card operator's compartment front overhang as described in the claim 4, the upper link point that it is characterized in that shock absorption device is at pivotally attached rear down.
9. as the floating full device of heavy card operator's compartment front overhang as described in claim 6 or 7, it is characterized in that limit shaft passes flip-arm, establish the upset limiting stopper on the limit shaft, the upset limiting stopper is placed on the flip-arm.
10. heavily block the floating full device of operator's compartment front overhang according to claim 1, it is characterized in that trip shaft is a fixed connection shaft, be connected with adopting bearing between stabilizer rod and the flip-arm, stabilizer rod and trip shaft can rotate mutually and can the interior swing of small angle range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200877836U CN201439359U (en) | 2009-08-04 | 2009-08-04 | Front overhang full floating device of heavy truck cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200877836U CN201439359U (en) | 2009-08-04 | 2009-08-04 | Front overhang full floating device of heavy truck cab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201439359U true CN201439359U (en) | 2010-04-21 |
Family
ID=42544026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200877836U Expired - Fee Related CN201439359U (en) | 2009-08-04 | 2009-08-04 | Front overhang full floating device of heavy truck cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201439359U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320337A (en) * | 2011-06-30 | 2012-01-18 | 三一重工股份有限公司 | A kind of automobile cab front hung holder and heavy motor vehicle |
| CN102923201A (en) * | 2012-11-27 | 2013-02-13 | 东风柳州汽车有限公司 | Front suspension device for heavy-duty truck cab |
| CN102941884A (en) * | 2012-11-20 | 2013-02-27 | 中国重汽集团济南动力有限公司 | Front suspension transverse stabilizing device of cab |
| CN104590399A (en) * | 2015-02-04 | 2015-05-06 | 浙江耐士伦机械有限公司 | Truck cab front suspension mechanism |
| CN106055821A (en) * | 2016-06-12 | 2016-10-26 | 山东理工大学 | Method for checking rolling angle stiffness of externally-biased non-coaxial cab stabilizer bar system |
| CN107628132A (en) * | 2016-07-19 | 2018-01-26 | 曼卡车和巴士奥地利有限责任公司 | Cab suspension for the tiltable driver's cabin of commerial vehicle |
| CN107891724A (en) * | 2018-01-08 | 2018-04-10 | 中国重汽集团济南动力有限公司 | A kind of heavy truck cab front suspension swinging arm stabilizer bar device |
| CN109367632A (en) * | 2018-12-14 | 2019-02-22 | 东风商用车有限公司 | Cab turnover shaft |
-
2009
- 2009-08-04 CN CN2009200877836U patent/CN201439359U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320337A (en) * | 2011-06-30 | 2012-01-18 | 三一重工股份有限公司 | A kind of automobile cab front hung holder and heavy motor vehicle |
| CN102941884A (en) * | 2012-11-20 | 2013-02-27 | 中国重汽集团济南动力有限公司 | Front suspension transverse stabilizing device of cab |
| CN102923201A (en) * | 2012-11-27 | 2013-02-13 | 东风柳州汽车有限公司 | Front suspension device for heavy-duty truck cab |
| CN104590399A (en) * | 2015-02-04 | 2015-05-06 | 浙江耐士伦机械有限公司 | Truck cab front suspension mechanism |
| CN104590399B (en) * | 2015-02-04 | 2017-01-25 | 浙江耐士伦机械有限公司 | truck cab front suspension mechanism |
| CN106055821A (en) * | 2016-06-12 | 2016-10-26 | 山东理工大学 | Method for checking rolling angle stiffness of externally-biased non-coaxial cab stabilizer bar system |
| CN106055821B (en) * | 2016-06-12 | 2019-02-15 | 山东理工大学 | The Method for Checking of outer biasing non-coaxial driver's cabin stabilizer bar system roll angular rigidity |
| CN107628132A (en) * | 2016-07-19 | 2018-01-26 | 曼卡车和巴士奥地利有限责任公司 | Cab suspension for the tiltable driver's cabin of commerial vehicle |
| CN107628132B (en) * | 2016-07-19 | 2021-09-10 | 曼卡车和巴士奥地利有限责任公司 | Cab suspension for a tiltable cab of a commercial vehicle |
| CN107891724A (en) * | 2018-01-08 | 2018-04-10 | 中国重汽集团济南动力有限公司 | A kind of heavy truck cab front suspension swinging arm stabilizer bar device |
| CN109367632A (en) * | 2018-12-14 | 2019-02-22 | 东风商用车有限公司 | Cab turnover shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20170804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |