CN204527370U - Truck cap front-suspension mechanism - Google Patents
Truck cap front-suspension mechanism Download PDFInfo
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- CN204527370U CN204527370U CN201520079240.5U CN201520079240U CN204527370U CN 204527370 U CN204527370 U CN 204527370U CN 201520079240 U CN201520079240 U CN 201520079240U CN 204527370 U CN204527370 U CN 204527370U
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Abstract
The utility model provides truck cap front-suspension mechanism, belongs to automobile technical field.Problem easily stuck when it solving existing overturn of truck cab.This truck cap front-suspension mechanism, comprise turning rod and two swing arms, turning rod two ends are also respectively arranged with a firm banking, suspending mechanism also comprises the adapter shaft that two are divided into turning rod two ends, turning rod end has cavity, the inner of adapter shaft to be inserted in cavity and is provided with oscillating bearing between the inner of adapter shaft and cavity, the lateral wall of adapter shaft outer end has ringwise groove one, the two side of groove one has spigot surface respectively, firm banking is sheathed on groove one place, firm banking has dip plane respectively with corresponding position, spigot surface position, dip plane and spigot surface correspondingly against.This truck cap front-suspension mechanism has the high advantage of working stability.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of truck cap front-suspension mechanism.
Background technology
Because the current driving engine heavily blocked generally is arranged in the bottom of operator's compartment, heavily card operator's compartment is caused to need cab position to overturn certain angle to a direction when maintenance process simulation, it is exactly the tie connecting operator's compartment and vehicle frame that cabin front suspension puts mechanism, and the rotational characteristic of putting mechanism by cabin front suspension realizes lifting and the whereabouts of operator's compartment.
The structure that existing cabin front suspension puts mechanism generally comprises turning rod in strip, is connected to two swing arms of the same side at turning rod two ends and is arranged at the firm banking at turning rod two ends place.Wherein, the two ends of turning rod are flexibly connected respectively with two firm bankings, and turning rod can around own axis, and the active connection place between turning rod and firm banking is provided with self-aligning roller bearing.During use, put by cabin front suspension and be connected in two swing arms, be fixed by bolts to by two firm bankings on the vehicle frame be symmetrical set, then the oil cylinder set up by cab bottom can realize the upset of operator's compartment.
But, because the vehicle frame be symmetrical set adopts welding manner to make, height error is there is between the vehicle frame of left and right, again because the firm banking be bolted on the vehicle frame of left and right is that first milling bottom surface is again in the processing of firm banking upper end sidepiece for the through hole that is connected with turning rod, so the through hole of firm banking is equally not exclusively equal to the distance of bottom surface, there is certain error, the existence of two errors can make the line of centers of the through hole on two firm bankings not on a horizon and gap is larger.Above-mentioned front-suspension mechanism cannot eliminate the angular error between the through hole of two firm bankings in use, and in above-mentioned front-suspension mechanism, selected aligning angle to be only the self-aligning roller bearing of 1 ~ 2.5 °, very easily in upset use procedure, cause the problems such as bearing is stuck, damage.
Summary of the invention
The purpose of this utility model is the problems referred to above existed for prior art, proposes the truck cap front-suspension mechanism that a kind of working stability is high.
The purpose of this utility model realizes by following technical proposal:
Truck cap front-suspension mechanism, comprise the swing arm that horizontally disposed turning rod and two are connected to turning rod two ends sidepiece, described turning rod two ends are also respectively arranged with a firm banking, it is characterized in that, described suspending mechanism also comprises two and is divided into above-mentioned turning rod two ends and the adapter shaft coaxially arranged with turning rod, described end, turning rod two ends has a cavity respectively, the inner of above-mentioned adapter shaft to be inserted in cavity and is provided with oscillating bearing between the inner outside of adapter shaft and above-mentioned cavity sidewalls, the outer end of described adapter shaft is stretched out turning rod and the lateral wall of this adapter shaft outer end is had the ringwise groove one coaxially arranged with adapter shaft, the two side of described groove one has the spigot surface tilted to groove one bottom direction respectively, above-mentioned firm banking is sheathed on the outside of adapter shaft and is positioned at above-mentioned groove one place, described firm banking have the dip plane consistent with spigot surface direction of tilt respectively with corresponding position, above-mentioned spigot surface position, described dip plane and above-mentioned spigot surface correspondingly against.
The structure of oscillating bearing comprises the outer ring with Internal Spherical Surface and the inner ring with spherical outside surface, the Internal Spherical Surface of outer ring and the spherical outside surface composition rolling friction pair of inner ring.The inclination angle of oscillating bearing is much bigger more than the antifriction-bearing box of general adjusting center, the inclination angle scope of general plain radial bearing can reach 3 ° ~ 15 ° even more, the line of centers that can solve the through hole on two firm bankings is not well on a horizon and the larger problem of gap, but the ability that this oscillating bearing bears axial force is poor.For this reason, this truck cap front-suspension mechanism offers the spigot surface be arranged to tilt in the two side of groove one by annular groove in the lump on the lateral wall of the outer end of adapter shaft, the mode of dip plane is set by relevant position on firm banking, firm banking is enclosed within firmly groove one place outside adapter shaft, make end float misalignment to occur between firm banking and adapter shaft, eliminate the axial force that oscillating bearing may be subject to, improve the stability of oscillating bearing and whole front-suspension institution staff.
In above-mentioned truck cap front-suspension mechanism, described spigot surface is identical with the shape of above-mentioned dip plane and both angle of inclination is identical.Shape and the angle of inclination of spigot surface and dip plane are identical, both can be fit together completely, make the axial restraint between firm banking and adapter shaft more stable, completely avoid the possibility of adapter shaft generation play, reach the object making truck cap front-suspension institution staff stable.
In above-mentioned truck cap front-suspension mechanism, described spigot surface and dip plane are conical suface.Conical suface can make spigot surface and dip plane circumference with realizing general equilibrium against, ensure the firmness of axial restraint, the stability of further raising work.
In above-mentioned truck cap front-suspension mechanism, the lateral wall of described adapter shaft the inner has the groove two in the form of a ring coaxially offered with adapter shaft, above-mentioned oscillating bearing is arranged in this groove two and the width of the width of oscillating bearing and groove two matches, and the medial surface of described oscillating bearing and lateral surface lean with the above-mentioned bottom of groove two and the sidewall of cavity respectively.The groove two of an annular is offered at the lateral wall of adapter shaft the inner; coated oscillating bearing in three directions; make oscillating bearing can form an entirety with adapter shaft well; Saving cortilage bearing effectively; reduce the risk that oscillating bearing is subject to axial force, improve the working stability of this truck cap front-suspension mechanism.
In above-mentioned truck cap front-suspension mechanism, the inner lateral wall of described adapter shaft has the convex shoulder in the form of a ring coaxially arranged with adapter shaft, the end of adapter shaft the inner has tapped bore, tapped bore place has been threaded a screw, form above-mentioned groove two between the head of described screw and above-mentioned convex shoulder, the bottom surface of side opposing with convex shoulder on described screw and above-mentioned cavity leans.Adopt the mode of convex shoulder and screw fit to form groove two and can reduce requirement on machining accuracy to oscillating bearing and groove two, simultaneously, ensure the matching degree of oscillating bearing and groove two, and the bottom of screw and cavity against, can make adapter shaft can not relative to turning rod end float misalignment.
In above-mentioned truck cap front-suspension mechanism, the sidewall described convex shoulder being positioned at groove two side has against plane, be somebody's turn to do the axis perpendicular against plane and adapter shaft, the inner ring both sides of above-mentioned oscillating bearing lean with the head against plane and above-mentioned screw respectively.Against the setting of plane, can make the sidewall of groove two to oscillating bearing against more stable, avoid oscillating bearing to be subject to axial force.
In above-mentioned truck cap front-suspension mechanism, the both sides being positioned at above-mentioned oscillating bearing in described cavity are respectively arranged with a back-up ring, and the both sides of the outer ring of described back-up ring and above-mentioned oscillating bearing lean.Undertaken spacing by the inner ring of groove two pairs of oscillating bearings, carry out spacing by two back-up rings to the outer ring of oscillating bearing, make the structure of oscillating bearing and position more stable.
In above-mentioned truck cap front-suspension mechanism, between the tip inside of described turning rod and above-mentioned adapter shaft, be provided with oil sealing.By the setting of oil sealing, can inject lubricating oil in the cavity of turning rod, action when ensureing upset is smooth and easy, improves the stability of work.
Compared with prior art, this truck cap front-suspension mechanism arranges the larger oscillating bearing in inclination angle between turning rod and adapter shaft, solve the situation that the through hole line of centers because of two firm bankings in the same horizontal line and does not easily cause bearing stuck, simultaneously spacing by the cooperation of groove one and firm banking, avoid the axial force situation that oscillating bearing may be subject to, improve the stability of bearing and whole front-suspension institution staff.
Accompanying drawing explanation
Fig. 1 is structural representation when pulling down firm banking in this truck cap front-suspension mechanism.
Fig. 2 is the semi-sictional view structural representation of adapter shaft and turning rod junction in this truck cap front-suspension mechanism.
In figure, 1, swing arm; 2, turning rod; 21, cavity; 3, firm banking; 31, dip plane; 4, adapter shaft; 41, groove one; 42, spigot surface; 43, groove two; 44, convex shoulder; 44a, against plane; 5, oscillating bearing; 6, screw; 7, back-up ring; 8, oil sealing.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As depicted in figs. 1 and 2, this truck cap front-suspension mechanism comprises the swing arm 1 that horizontally disposed turning rod 2 and two are connected to turning rod 2 two ends sidepiece, and the two ends of turning rod 2 are connected with a firm banking 3 respectively by the adapter shaft 4 that is coaxially arranged.In the present embodiment, the securing cover plate that firm banking 3 comprises body and is bolted with body, forms a through hole between body and securing cover plate, the outer end of adapter shaft 4 is arranged in this through hole.
Because turning rod 2 two ends are identical with the connection structure between firm banking 3, only the structure of turning rod 2 one end is described so following, the end of turning rod 2 has a recessed cavity 21, the inner of adapter shaft 4 is inserted in this cavity 21 and end of adapter shaft 4 the inner and the bottom of cavity 21 and is leant, and is provided with oscillating bearing 5 between the inner outside of adapter shaft 4 and cavity 21 sidewall.The outer end of adapter shaft 4 is stretched out turning rod 2 and the lateral wall of this adapter shaft 4 outer end is had the ringwise groove 1 coaxially offered with adapter shaft 4, and the two side of this groove 1 is the spigot surface 42 tilted to groove 1 bottom direction.Firm banking 3 is sheathed on the outside of adapter shaft 4 and is positioned at groove 1 place, and firm banking 3 has respectively with corresponding position, two of groove 1 spigot surface 42 positions dip plane 31,31, two, the dip plane consistent with spigot surface 42 direction of tilt and two spigot surfaces 42 correspondingly against.In the present embodiment, spigot surface 42 is conical suface with dip plane 31 and both angles of inclination are identical; Oscillating bearing 5 selects the plain radial bearing of GEG25ET, and it comprises the outer ring with Internal Spherical Surface and the inner ring with spherical outside surface.
Lateral wall adapter shaft 4 being positioned at the inner of cavity 21 has the groove 2 43 in the form of a ring coaxially offered with adapter shaft 4, oscillating bearing 5 is arranged in this groove 2 43 and the width of the width of oscillating bearing 5 and groove 2 43 matches, the medial surface of oscillating bearing 5 and lateral surface lean with the bottom of groove 2 43 and the sidewall of cavity 21 respectively, namely the medial surface of oscillating bearing 5 inner ring and the bottom of groove 2 43 lean, and the lateral surface of oscillating bearing 5 outer ring and the sidewall of cavity 21 lean.In the present embodiment, groove 1 and groove 2 43 are separated, and groove 1 is positioned at outside cavity 21, and groove 2 43 is positioned at cavity 21, and both are separate, and the degree of depth of groove 1 is less than the degree of depth of groove 2 43.
Wherein, adapter shaft 4 also comprises that protrude on the inner lateral wall of adapter shaft 4 with the coaxial convex shoulder 44 in the form of a ring arranged of adapter shaft 4 and the tapped bore place being threadedly connected to the inner end of adapter shaft 4 screw 6, form groove 2 43 between the head of screw 6 and convex shoulder 44, the bottom surface of side opposing with convex shoulder 44 on screw 6 and cavity 21 leans.Sidewall convex shoulder 44 being positioned at groove 2 43 side has against plane 44a, and be somebody's turn to do the axis perpendicular against plane 44a and adapter shaft 4, the inner ring both sides of oscillating bearing 5 lean with the head against plane 44a and screw 6 respectively.The both sides of the outer ring of oscillating bearing 5 are respectively against there being a back-up ring 7, two back-up rings 7 to be all positioned at cavity 21, and here, back-up ring 7 can adopt hole back-up ring etc.In the present embodiment, the tip inside of turning rod 2, is namely also provided with oil sealing 8 between the opening part of cavity 21 and adapter shaft 4.
Compared with prior art, plain radial bearing is arranged between adapter shaft 4 and turning rod 2 by this truck cap front-suspension mechanism, the inclination angle of this plain radial bearing is much bigger more than the antifriction-bearing box of general adjusting center, inclination angle scope can reach ± and 17 °, the line of centers that can solve the through hole on two firm bankings 3 is not well on a horizon and the larger problem of gap.And bear the poor problem of the ability of axial force for this plain radial bearing, this truck cap front-suspension mechanism offers annular groove 1 and the two side of groove 1 is arranged to the spigot surface 42 of inclination on the lateral wall of the outer end of adapter shaft 4, by relevant position on firm banking 3, the mode of dip plane 31 is set, firm banking 3 is enclosed within firmly groove 1 place outside adapter shaft 4, make end float misalignment to occur between firm banking 3 and adapter shaft 4, eliminate the axial force that plain radial bearing may be subject to, improve the stability of plain radial bearing and whole front-suspension institution staff.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (8)
1. truck cap front-suspension mechanism, comprise the swing arm (1) that horizontally disposed turning rod (2) and two are connected to turning rod (2) two ends sidepiece, described turning rod (2) two ends are also respectively arranged with a firm banking (3), it is characterized in that, described suspending mechanism also comprises two and is divided into above-mentioned turning rod (2) two ends and the adapter shaft (4) that arrange coaxial with turning rod (2), described turning rod (2) end, two ends has a cavity (21) respectively, the inner of above-mentioned adapter shaft (4) to be inserted in cavity (21) and is provided with oscillating bearing (5) between the inner outside of adapter shaft (4) and above-mentioned cavity (21) sidewall, the outer end of described adapter shaft (4) is stretched out turning rod (2) and the lateral wall of this adapter shaft (4) outer end is had the coaxial ringwise groove one (41) arranged with adapter shaft (4), the two side of described groove one (41) has the spigot surface (42) tilted to groove one (41) bottom direction respectively, above-mentioned firm banking (3) is sheathed on the outside of adapter shaft (4) and is positioned at above-mentioned groove one (41) place, described firm banking (3) is upper has the dip plane (31) consistent with spigot surface (42) direction of tilt respectively with above-mentioned spigot surface (42) corresponding position, position, described dip plane (31) and above-mentioned spigot surface (42) correspondingly against.
2. truck cap front-suspension mechanism according to claim 1, is characterized in that, described spigot surface (42) is identical with the shape of above-mentioned dip plane (31) and both angle of inclination is identical.
3. truck cap front-suspension mechanism according to claim 2, is characterized in that, described spigot surface (42) and dip plane (31) are conical suface.
4. the truck cap front-suspension mechanism according to claim 1 or 2 or 3, it is characterized in that, the lateral wall of described adapter shaft (4) the inner has the groove two (43) in the form of a ring coaxially offered with adapter shaft (4), above-mentioned oscillating bearing (5) is arranged in this groove two (43) and the width of the width of oscillating bearing (5) and groove two (43) matches, and the medial surface of described oscillating bearing (5) and lateral surface lean with the bottom of above-mentioned groove two (43) and the sidewall of cavity (21) respectively.
5. truck cap front-suspension mechanism according to claim 4, it is characterized in that, the inner lateral wall of described adapter shaft (4) has the coaxial convex shoulder (44) in the form of a ring arranged with adapter shaft (4), the end of adapter shaft (4) the inner has tapped bore, tapped bore place has been threaded a screw (6), above-mentioned groove two (43) is formed between the head of described screw (6) and above-mentioned convex shoulder (44), the side that described screw (6) is upper and convex shoulder (44) is opposing and the bottom surface of above-mentioned cavity (21) lean.
6. truck cap front-suspension mechanism according to claim 5, it is characterized in that, the sidewall described convex shoulder (44) being positioned at groove two (43) side has against plane (44a), should against the axis perpendicular of plane (44a) with adapter shaft (4), the inner ring both sides of above-mentioned oscillating bearing (5) lean with the head against plane (44a) and above-mentioned screw (6) respectively.
7. the truck cap front-suspension mechanism according to claim 1 or 2 or 3, it is characterized in that, the both sides being positioned at above-mentioned oscillating bearing (5) in described cavity (21) are respectively arranged with a back-up ring (7), and described back-up ring (7) leans with the both sides of the outer ring of above-mentioned oscillating bearing (5).
8. the truck cap front-suspension mechanism according to claim 1 or 2 or 3, is characterized in that, is provided with oil sealing (8) between the tip inside of described turning rod (2) and above-mentioned adapter shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520079240.5U CN204527370U (en) | 2015-02-04 | 2015-02-04 | Truck cap front-suspension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520079240.5U CN204527370U (en) | 2015-02-04 | 2015-02-04 | Truck cap front-suspension mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204527370U true CN204527370U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520079240.5U Active CN204527370U (en) | 2015-02-04 | 2015-02-04 | Truck cap front-suspension mechanism |
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| CN (1) | CN204527370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590399A (en) * | 2015-02-04 | 2015-05-06 | 浙江耐士伦机械有限公司 | Truck cab front suspension mechanism |
-
2015
- 2015-02-04 CN CN201520079240.5U patent/CN204527370U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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