CN103043101B - For the double; two horizontal spin axis formula floating junction device that carriage frame connects - Google Patents
For the double; two horizontal spin axis formula floating junction device that carriage frame connects Download PDFInfo
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- CN103043101B CN103043101B CN201210567231.1A CN201210567231A CN103043101B CN 103043101 B CN103043101 B CN 103043101B CN 201210567231 A CN201210567231 A CN 201210567231A CN 103043101 B CN103043101 B CN 103043101B
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- floating connection
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Abstract
The present invention relates to a kind of double; two horizontal spin axis formula floating junction device connected for carriage frame, including floating connection support (9), floating rotating support (10), rear pivot structure (11), wherein, rear pivot structure (11), floating rotating support (10) and floating connection support (9) and main car frame (7) in subframe head and the tail layout that subframe (8) passes through to arrange in the middle part of subframe connect, and subframe (8) and main car frame (7) are not directly contacted with. While ensureing bonding strength and location; the present invention allows subframe to do less deformation displacement relative to main car frame; it is not intended to main car frame and is done deform by adapting to road conditions; reduce main car frame stress; reduce the probability of its damage; absorb vibrations and the impact of road surface transmission simultaneously, be beneficial to the upper dress of protection. Double; two horizontal spin axis formula floating connection modes are applicable to various type of vehicle, particularly off-road vehicle.
Description
Technical field
The present invention relates to a kind of mechanical connecting device, particularly relate to a kind of double; two horizontal spin axis formula floating junction device connected for carriage frame.
Background technology
When special purpose vehicle designs, in order to improve the carrying situation of main car frame, it is to avoid concentrfated load, and also to do not destroy the structure of main car frame, general many employing subframe transition.
Except light vehicle, medium-weight vehicle girder intensity, rigidity are abundant, many employing flexibility designs in structure, are conducive to girder release driving process to twist and warp the stress formed. When special-purpose vehicle is reequiped, if not being necessarily required to subframe, it is also possible to consider to design without subframe.
Vehicle primary deformable in the process of moving is bending and distortion, and main car frame bends with back axle for fulcrum longitudinally along the vehicle, and lateral direction of car is distorted.
There is theory to think, at the deformed region of vehicle bending and distortion, have axis of bending and the distortion axis of a similar neutral axis, it is believed that axial location does not deform, so connecting without influence on the bending characteristic of vehicle self in this location arrangements. But in practical operation, different vehicle, axis also differs, and does not fix, changes with motion, is therefore virtual axis, and link position can only approach by architectural characteristic and kinetic characteristic as far as possible.
In practical operation, it is possible to simply using vehicle longitudinal axis as torsional deformation centrage, with back axle for flexural deformation centrage, or after driver's cabin to the deformed region of back axle near the central transverse axis of back axle as diastrophic centrage.
Four point attachment can locating pair vehicle frame completely, all the other connect the consideration being based on the aspects such as intensity more.
The major function of subframe is connection, carrying, protection, vibration isolation, is the connected body between upper dress and main car frame. Usually, upper dress does not allow deformation, and main car frame is adapt to road conditions to do certain deformation, therefore has the vehicle of subframe, will consider the connection of upper dress and subframe simultaneously.
Current special purpose vehicle is many with the connection of subframe to be connected with thrust connecting plate, connection support, U-bolt etc., junction point is more many, additional stiffness is more big, subframe and main car frame tightly bundle through multiple spot, subframe rigidity is almost all attached on main car frame, limiting main car frame is adapt to road conditions to make the deformation of necessity, aggravates main car frame stress, increases main car frame and the probability of subframe damage.
The connection of special purpose vehicle especially U-bolt connection can cause stress to concentrate, and aggravation damages the probability and development speed that occur.
Mostly the subframe of special purpose vehicle is to drop on main car frame through rim strip, the change that travels due to the planarization of structure itself and vehicle and localized contact, forms contact stress, comes in contact stress damage.
The connection of subframe and main car frame is frequently with following several forms.
1, thrust connecting plate
Fig. 1 is thrust connecting plate fixed form in prior art. Connecting plate upper end is fixed with subframe by welding, and lower end then utilizes bolt to be connected with main car frame longitudinal-beam web plate. The advantage of thrust plate is in that to bear bigger horizontal load, it is prevented that subframe produces relative horizontal displacement with main car frame longeron. Distance between adjacent two thrust connecting plates is within the scope of 500～1000mm.
2, support is connected
Fig. 2 is illustrated that in prior art to connect support fixed form, wherein connect support to be made up of separate upper and lower bracket, upper and lower bracket fixes with the web of subframe and main car frame longeron respectively each through bolt, is then connected by upper and lower bracket with bolt again. Owing to leaving gap between upper and lower bracket, therefore connect the horizontal load that can bear of support less, thus connect support should with thrust connecting plate with the use of. General layout is to connect with connection support before bearing before rear suspension, connects with thrust connecting plate before rear suspension after bearing.
3, U-bolt
When selecting other connecting device to have any problem, U-shaped fishbolt can be adopted. But do not allow to adopt U-bolt in the scope that vehicle frame is maximum by torsional load. When adopting U-bolt fixing, for preventing main car frame longeron aerofoil from deforming, should within it serve as a contrast with wooden unit, but near acoustic filter, it is necessary to use angle bar etc. to make liner.
But above connected mode has the disadvantage in that the support or elastic connect together with subframe is tightly coupled by support with main car frame of being rigidly connected, increase the rigidity of main car frame, limiting main car frame is adapt to road conditions to make the deformation of necessity, aggravation main car frame stress, increases main car frame and the probability of subframe damage.
Summary of the invention
It is an object of the invention to provide one and can reduce main car frame stress, it is prevented that the vehicle frame that main car frame and subframe damage connects fixed mechanism.
The technical scheme is that and provide a kind of double; two horizontal spin axis formula floating junction device connected for carriage frame, including floating connection support, floating rotating support, rear pivot structure, wherein, floating connection support (9) is installed at, rear portion anterior at vehicle frame, floating rotating support (10) is arranged on the position of the middle front part of vehicle frame, rear pivot structure (11) is arranged on the position of the postmedian of vehicle frame, subframe is connected by rear pivot structure, floating rotating support and floating connection support and main car frame, and subframe and main car frame are not directly contacted with.
Floating connection support includes split pin, hexagon thin nut, hex nut, the first upper bracket, anti-cuts off, yielding rubber, connection spring, the first undersetting, pad, hex bolts, and floating connection support is used for supporting subframe; Wherein, yielding rubber is between the first upper bracket and the first undersetting, first upper bracket, yielding rubber, the first undersetting have coaxial hole, anti-cutting off runs through this hole, hex bolts is through the anti-centre bore cut off, and is locked by the hexagon thin nut above the first upper bracket and hex nut; Hexagon bolt head arranges pad, connects spring and is installed between the first undersetting and pad, and the maximum compressibility connecting spring limits subframe upwards jerk value, and the first upper bracket is connected with subframe, and the first undersetting is connected with main car frame.
Alternatively, floating connection support includes split pin, hexagon thin nut, hex nut, the first upper bracket, yielding rubber, connection spring, the first undersetting, pad, hex bolts, and floating connection support is used for supporting subframe; Wherein, yielding rubber is between the first upper bracket and the first undersetting, and the first upper bracket, yielding rubber, the first undersetting have coaxial hole, and hex bolts is through this hole, and is locked by the hexagon thin nut above the first upper bracket and hex nut; Hexagon bolt head arranges pad, connects spring and is installed between the first undersetting and pad, and the maximum compressibility connecting spring limits subframe upwards jerk value, and the first upper bracket is connected with subframe, and the first undersetting is connected with main car frame.
Alternatively, when vehicle connection space is narrow and small, floating connection support includes multi-joint floating connection supporting structure, multi-joint floating connection supporting structure includes multiple floating connection parts, each floating connection parts include split pin, hexagon thin nut, hex nut, anti-cut off, yielding rubber, connection spring, pad, hex bolts, all floating connection parts share the first upper bracket and the first undersetting, yielding rubber is between the first upper bracket and the first undersetting, first upper bracket, yielding rubber, the first undersetting have coaxial hole, and anti-cutting off runs through this hole; Hex bolts is through the anti-centre bore cut off, and is locked by the hexagon thin nut above the first upper bracket and hex nut; Hexagon bolt head arranges pad, connects spring and is installed between the first undersetting and pad, and the first upper bracket is connected with subframe, and the first undersetting is connected with main car frame.
Rear pivot structure includes rear rotating shaft upper bracket, rear pivot structure rotating shaft, rear rotating shaft undersetting, rear pivot structure rotating shaft is through the connecting hole rear rotating shaft upper bracket and rear rotating shaft undersetting, so that rear rotating shaft upper bracket can rotate relative to rear rotating shaft undersetting, rear rotating shaft upper bracket is connected with subframe, rear rotating shaft undersetting is connected with main car frame, and rear pivot structure is arranged on the position that rigidity near back axle is bigger.
Floating rotating support includes the second upper bracket, gum elastic, floating rotating rack shaft, second undersetting, second upper bracket is connected with subframe, second undersetting is connected with main car frame, floating rotating rack shaft is in the shaft hole of the second upper bracket, gum elastic is arranged on floating rotating rack shaft, gum elastic is the drum coaxial with floating rotating rack shaft, gum elastic is arranged in the shaft hole of the second undersetting, floating rotating support is rotatable, floating rotating rack shaft can float in the shaft hole of the second upper bracket and the second undersetting.
First upper bracket, the first undersetting cross section be U-shaped, flute profile or L-shaped. Second upper bracket, the second undersetting cross section be U-shaped, flute profile or L-shaped. Rear rotating shaft upper bracket, rear rotating shaft undersetting cross section be U-shaped, flute profile or L-shaped.
When cancelling subframe, the bottom beam structure of upper dress substitutes described subframe.
The beneficial effects of the present invention is:
1, illustrated double; two horizontal spin axis formula floating connection invention auxiliary connection vehicle frame and main car frame, support the weight on subframe, subframe and main car frame not in contact with, contact stress fatigue damage can be reduced, also can reduce concentrated stress and damage. The invention of double; two horizontal spin axis formula floating connections can improve the structural compliance of subframe and main car frame, while ensureing bonding strength and location, subframe is allowed to do less deformation displacement relative to main car frame, being not intended to main car frame is adapt to the necessary deformation that road conditions are done, reduce main car frame resistance of deformation, reduce the probability of its damage; Vibrations and the impact of road surface transmission can be absorbed simultaneously, reduce the impulsive force between main car frame and subframe, be beneficial to protection subframe.
2, subframe does not contact with main car frame, is supported by rear pivot structure, floating rotating support, floating connection support, and some vehicle can omit subframe, lowers the center of gravity.
3, present configuration is compact simple, safe and reliable. The present invention can effectively absorb and decay road surface apply various external impacts. The present invention is effectively protected the structural safety of main car frame and subframe.
Accompanying drawing explanation
It should be noted that the accompanying drawing in the following describes shown schematically only illustrates some embodiments, do not include all possible embodiment.
Fig. 1 is the schematic diagram of the thrust connecting plate of prior art;
Fig. 2 is the schematic diagram connecting support of prior art;
Fig. 3 is the double; two horizontal spin axis formula floating junction device schematic diagram of the embodiment of the present invention;
Fig. 4 a is the floating connection support schematic diagram of the embodiment of the present invention;
Fig. 4 b is floating connection support shown in Fig. 4 a along B-B sectional view;
Fig. 5 a is the rear pivot structure schematic diagram of the embodiment of the present invention;
Fig. 5 b is the left view of rear pivot structure shown in Fig. 5 a;
Fig. 6 a is the floating rotating support schematic diagram of the embodiment of the present invention;
Fig. 6 b is floating rotating support shown in Fig. 6 a along B-B sectional view;
Fig. 7 a is two floating connection support schematic diagrams of the embodiment of the present invention;
Fig. 7 b is two floating connection supports shown in Fig. 7 a along B-B sectional view.
Wherein: 1-subframe, 2-thrust connecting plate, 3-main car frame longeron, 4-bracket, 5-bottom bracket, 6-bolt, 7-main car frame, 8-subframe, 9-floating connection support, 10-floating rotating support, pivot structure after 11-, 12-the first upper bracket, 13-yielding rubber, 14-the first undersetting, 15-is anti-to be cut off, 16-brute spring, 17-hexagon-headed bolt, 18-pad, 19-hex nut, 20-hexagon thin nut, 21-split pin, rotating shaft upper bracket after 22-, pivot structure rotating shaft after 23-, rotating shaft undersetting after 24-, the upper dress of 27-, 32-the second upper bracket, 34-the second undersetting, 36-gum elastic, 37-floating rotating rack shaft.
Detailed description of the invention
Below with reference to accompanying drawing 3-7, the technical scheme of the exemplary embodiment of the present invention is described in detail. Obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments. Described embodiment is only used for illustrating, rather than limitation of the scope of the invention. Based on embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Fig. 3 is the double; two horizontal spin axis formula floating junction device schematic diagram connected for carriage frame of the embodiment of the present invention, i.e. a kind of double; two horizontal spin axis formula floating junction device connected for carriage frame. As it is shown on figure 3, double; two horizontal spin axis formula floating junction devices, including floating connection support 9, floating rotating support 10, rear pivot structure 11. Floating rotating support 10 is arranged on the position of the middle front part of vehicle frame, and floating connection support 9 is installed at, rear portion anterior at vehicle frame. Rear pivot structure 11 is arranged on the postmedian of vehicle frame, the position that rigidity is bigger near back axle, for instance being arranged on the centre position between rear two-wheeled, rigidity is maximum herein. Subframe 8 is connected by rear pivot structure 11, floating rotating support 10 and floating connection support 9 and main car frame 7, and subframe 8 and main car frame 7 are not directly contacted with.
Fig. 4 a is the floating connection support schematic diagram of the embodiment of the present invention; Fig. 4 b is floating connection support shown in Fig. 4 a along B-B sectional view. As shown in Figs. 4a and 4b, floating connection support 9 includes split pin 21, hexagon thin nut 20, hex nut the 19, first upper bracket 12, anti-cuts off 15, yielding rubber 13, connect spring the 16, first undersetting 14, pad 18, hexagon-headed bolt 17, and floating connection support 9 is used for supporting subframe. Wherein, upper bracket 12, yielding rubber 13, undersetting 14 have coaxial hole, prevent that cutting off 15 runs through this hole, and the centre bore cutting off 15 is prevented in hexagon-headed bolt 17 traverse, and is locked by the hexagon thin nut 20 above upper bracket 12 and hex nut 19. Hex bolts 17 head arranges pad 18, connects spring 16 and is installed between undersetting 14 and pad 18, and provides locking tension force for hex bolts. Floating connection support 9 calculates by desirable strength to be determined.
Wherein, upper bracket 12, undersetting 14 cross section can be U-shaped, flute profile, L-shaped etc., according to vehicle, practical situation can be installed and determine or select upper bracket 12 and the cross sectional shape of undersetting 14. Split pin 21, hexagon thin nut 20, hex nut 19 are locking for structure.
Upper bracket 12, yielding rubber 13, connection spring 16, undersetting 14 are used for carrying. Yielding rubber 13, connection spring 16 are the main elements that structure is floated. Anti-cut off between 15 and upper bracket 12, undersetting 14 and hexagon-headed bolt 17 and the anti-gap restrained deformation displacement cutting off between 15. Prevent that cutting off 15 positions for structure, it is prevented that shear bolt. Pad 18 supports and connect spring 16. The maximum compressibility connecting spring 16 limits subframe upwards jerk value.
Upper bracket 12 is connected with subframe 8, and undersetting 14 is connected with main car frame 7, and main car frame and subframe are linked together by upper bracket 12, undersetting 14 by yielding rubber 13, connection spring 16.
Floating connection support 9 should connect according to vehicle determine deformation displacement amount, mainly according to upper bracket 12, undersetting 14, anti-cut off 15, processing between hexagon-headed bolt 17 and fitting allowance are determined. Floating connection support 9 deformation displacement amount, less than the floating displacement of floating rotating support 10, just can play positioning action.
Floating connection support bear subframe upwards, down force, anti-cutting off positions for floating connection support, restrained deformation displacement, it is prevented that shearing bolt, floating connection support can do certain displacement to all directions. Floating connection support 9 acts primarily as supporting role, the weight on uniform subframe, it is prevented that main car frame transships. Have at floating connection support 9 and prevent cutting off in situation, it is possible to play position-limiting action, head can be limited and afterbody pendulum gets rid of. The quantity of floating connection support can be multiple, determine the quantity of floating connection support according to the intensity of main car frame. Floating connection support 9 can be arranged in the optional position of vehicle frame. Not preventing cutting off in situation at floating connection support 9, floating connection support 9 only plays a supportive role.
Rear pivot structure and the complete locating pair vehicle frame of floating rotating support, prevent in floating connection support that cutting off 15 can omit, and when omission prevents cutting off 15, floating connection support only plays a supportive role. Omit anti-cut off 15 time, hexagon-headed bolt 17 through upper bracket 12, yielding rubber 13, undersetting 14 coaxial hole, replace anti-cut off 15 run through this hole and hexagon-headed bolt 17 through anti-cut off 15 centre bore.
Fig. 5 a is the rear pivot structure schematic diagram of the embodiment of the present invention; Fig. 5 b is the left view of rear pivot structure shown in Fig. 5 a. As shown in figure 5 a and 5b, rear pivot structure 11 includes rear rotating shaft upper bracket 22, rear pivot structure rotating shaft 23, rear rotating shaft undersetting 24, rear pivot structure rotating shaft 23 is through the connecting hole rear rotating shaft upper bracket 22 and rear rotating shaft undersetting 24, so that rear rotating shaft upper bracket 22 can rotate relative to rear rotating shaft undersetting 24.
Rear rotating shaft upper bracket 22 is arranged on subframe, and rear rotating shaft undersetting 24 is arranged on main car frame. Rear rotating shaft upper bracket 22, rear rotating shaft undersetting 24 cross section can be U-shaped, flute profile, L-shaped etc., according to vehicle, the cross sectional shape of rotating shaft upper bracket 22 and rear rotating shaft undersetting 24 after practical situation is determined or selected is installed.
Above-mentioned rear pivot structure 11 overall structure is rigidity, is arranged on the position that rigidity near back axle is bigger, it is desirable in the position that rigidity is maximum, and locating pair vehicle frame 8, relative to the position of main car frame 7, plays main positioning action, rotatably. Pivot structure 11 after being symmetrical arranged a pair along the left and right sides of support, forms a pivot center, and axis is fixed.
Fig. 6 a is the floating rotating support schematic diagram of the embodiment of the present invention; Fig. 6 b is floating rotating support shown in Fig. 6 a along B-B sectional view. As shown in figures 6 a and 6b, floating rotating support 10 includes the second upper bracket 32, gum elastic 36, floating rotating rack shaft the 37, second undersetting 34. Floating rotating rack shaft 37 is in the shaft hole of the second upper bracket 32, gum elastic 36 is arranged on floating rotating rack shaft 37, gum elastic 36 is the drum coaxial with floating rotating rack shaft 37, gum elastic is arranged in the shaft hole of the second undersetting, the shaft hole parcel gum elastic 36 of the second undersetting 34. The shaft hole of upper bracket 32, the shaft hole of undersetting 34, gum elastic 36 link together through rotating shaft 37. Floating rotating rack shaft 37 can float in the upper bracket 32 shaft hole with undersetting 34.
Upper bracket 32 is connected with subframe, and undersetting 34 is connected with main car frame, and upper bracket 32, undersetting 34, gum elastic 36 link together through rotating shaft 37.
Upper bracket 32, undersetting 34 cross section can be U-shaped, flute profile, L-shaped etc., according to vehicle install practical situation determine or select rami posterior superior seat 32 and the cross sectional shape of undersetting 34.
Floating rotating support 10 locating pair vehicle frame 8, relative to the position of main car frame 7, plays secondary positioning action. Floating rotating support is rotatable, can float, and is rotatable floating structure, can do little displacement, is mainly not intended to, along the rotational freedom caused by vehicle frame buckling and distortion, therefore be arranged on before back axle, be positioned at the position of the middle front part of vehicle frame. But floating rotating support 10 is unrestricted at the particular location of the middle front part of vehicle frame, determines according to the demand of location. The left and right sides along vehicle frame is symmetrical arranged a pair floating rotating support 10, forms a pivot center, and this axis floats.
During vehicle connection space anxiety, when considering to need more floating connection support based on bonding strength, multi-joint floating connection support can be adopted, for instance two, three, more than three floating connection supports can be adopted. As an enforcement of the present invention, Fig. 7 illustrates bigeminy floating connection support, and three floating connection supports are herewith.
The application of the invention, when can effectively prevent vehicle from travelling, distortion causes main car frame or upper dress deform and damage.
Floating connection support bear subframe upwards, down force, anti-cutting off positions for floating connection support, restrained deformation displacement, it is prevented that shearing bolt, floating connection support can do certain displacement to all directions.
Rear pivot structure and the complete locating pair vehicle frame of floating rotating support, anti-in floating connection support cuts off 15 and plays auxiliary stopper effect, anti-cut off 15 and can omit, omit prevent cutting off 15 time floating connection support only play a supportive role.
In the present invention, the connection of subframe and main car frame, owing to subframe is the connected body between upper dress and main car frame, is a middleware. Double; two horizontal spin axis formula floating junction devices can undertake the connection identical with subframe, carrying, protection, vibration isolation effect, and therefore Some vehicles can cancel subframe, directly installs dress. When cancelling subframe, " subframe " mentioned above can replace with " above filling girder construction ", on fill the upper dress girder construction of 27 and connected by rear pivot structure 11, floating rotating support 10 and floating connection support 9 and main car frame 7, on fill 27 and be not directly contacted with main car frame 7.
The concrete structure of the connected mode in the present invention should optimize according to vehicle actual installation structural adjustment.
Above the description of embodiments of the invention is merely to illustrate technical scheme; rather than limitation of the scope of the invention; the present invention is not limited to these disclosed embodiments; technical scheme described in foregoing embodiments can be modified by those skilled in the art; or wherein portion of techniques feature is carried out equivalent replacement, and these amendments or replacement all should fall into protection scope of the present invention.
Claims (8)
1. the fixing device of double, two horizontal spin axis formula floating connection connected for carriage frame, it is characterized in that: include floating connection support (9), floating rotating support (10), rear pivot structure (11), wherein, anterior at vehicle frame, floating connection support (9) is installed at rear portion, floating rotating support (10) is arranged on the position of the middle front part of vehicle frame, rear pivot structure (11) is arranged on the centre position between the rear two-wheeled of the postmedian of vehicle frame, subframe (8) is by rear pivot structure (11), floating rotating support (10) and floating connection support (9) and main car frame (7) connect, subframe (8) and main car frame (7) are not directly contacted with, rear pivot structure (11) includes rear rotating shaft upper bracket (22), rear pivot structure rotating shaft (23), rear rotating shaft undersetting (24), rear pivot structure rotating shaft (23) is through the connecting hole rear rotating shaft upper bracket (22) and rear rotating shaft undersetting (24), so that rear rotating shaft upper bracket (22) can rotate relative to rear rotating shaft undersetting (24), rear rotating shaft upper bracket (22) is connected with subframe (8), rear rotating shaft undersetting (24) is connected with main car frame (7), rear pivot structure (11) is arranged on the position that rigidity near back axle is bigger, play main positioning action.
2. the fixing device of double; two horizontal spin axis formula floating connection according to claim 1, it is characterized in that: floating connection support (9) includes split pin (21), hexagon thin nut (20), hex nut (19), the first upper bracket (12), prevents cutting off (15), yielding rubber (13), connection spring (16), the first undersetting (14), pad (18), hex bolts (17), and floating connection support (9) is used for supporting subframe; Wherein, yielding rubber (13) is positioned between the first upper bracket (12) and the first undersetting (14), first upper bracket (12), yielding rubber (13), the first undersetting (14) have coaxial hole, prevent that cutting off (15) runs through this hole, hex bolts (17) is through the anti-centre bore cutting off (15), and the hexagon thin nut (20) and hex nut (19) by the first upper bracket (12) top is locked; Hex bolts (17) head arranges pad (18), connect spring (16) and be installed between the first undersetting and pad (18), the maximum compressibility connecting spring (16) limits subframe upwards jerk value, first upper bracket (12) is connected with subframe (8), and the first undersetting (14) is connected with main car frame (7).
3. the fixing device of double; two horizontal spin axis formula floating connection according to claim 1, it is characterized in that: floating connection support (9) includes split pin (21), hexagon thin nut (20), hex nut (19), the first upper bracket (12), yielding rubber (13), connects spring (16), the first undersetting (14), pad (18), hex bolts (17), and floating connection support (9) is used for supporting subframe; Wherein, yielding rubber (13) is positioned between the first upper bracket (12) and the first undersetting (14), first upper bracket (12), yielding rubber (13), the first undersetting (14) have coaxial hole, hex bolts (17) is through this hole, and the hexagon thin nut (20) and hex nut (19) by the first upper bracket (12) top is locked; Hex bolts (17) head arranges pad (18), connect spring (16) and be installed between the first undersetting and pad (18), the maximum compressibility connecting spring (16) limits subframe upwards jerk value, first upper bracket (12) is connected with subframe (8), and the first undersetting (14) is connected with main car frame (7).
4. the fixing device of double, two horizontal spin axis formula floating connection according to claim 1, it is characterized in that: floating connection support (9) includes multi-joint floating connection supporting structure, multi-joint floating connection supporting structure includes multiple floating connection parts, each floating connection parts include split pin (21), hexagon thin nut (20), hex nut (19), prevent cutting off (15), yielding rubber (13), connect spring (16), pad (18), hex bolts (17), all floating connection parts share the first upper bracket (12) and the first undersetting (14), yielding rubber (13) is positioned between the first upper bracket (12) and the first undersetting (14), first upper bracket (12), yielding rubber (13), first undersetting (14) has coaxial hole, prevent that cutting off (15) runs through this hole, hex bolts (17) is through the anti-centre bore cutting off (15), and the hexagon thin nut (20) and hex nut (19) by the first upper bracket (12) top is locked, hex bolts (17) head arranges pad (18), connect spring (16) and be installed between the first undersetting and pad (18), first upper bracket (12) is connected with subframe (8), and the first undersetting (14) is connected with main car frame (7).
5. the fixing device of double, two horizontal spin axis formula floating connection according to any claim of claim 1-4, it is characterized in that: floating rotating support (10) includes the second upper bracket (32), gum elastic (36), floating rotating rack shaft (37), second undersetting (34), second upper bracket (32) is connected with subframe (8), second undersetting (34) is connected with main car frame (7), floating rotating rack shaft (37) is in the shaft hole of the second upper bracket (32), gum elastic (36) is arranged on floating rotating rack shaft (37), gum elastic (36) is the drum coaxial with floating rotating rack shaft (37), gum elastic (36) is arranged in the shaft hole of the second undersetting (34), floating rotating support is rotatable, floating rotating rack shaft (37) can float in the second upper bracket (32) shaft hole with the second undersetting (34).
6. the fixing device of double; two horizontal spin axis formula floating connection according to any claim of claim 2-4, it is characterised in that the first upper bracket (12), the first undersetting (14) cross section be U-shaped, flute profile or L-shaped.
7. the fixing device of double; two horizontal spin axis formula floating connection according to claim 5, it is characterised in that the second upper bracket (32), the second undersetting (34) cross section be U-shaped, flute profile or L-shaped; Rear rotating shaft upper bracket (22), rear rotating shaft undersetting (24) cross section be U-shaped, flute profile or L-shaped.
8. the fixing device of double; two horizontal spin axis formula floating connection according to claim 1, it is characterised in that: the bottom beam structure of upper dress substitutes subframe (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210567231.1A CN103043101B (en) | 2012-12-24 | 2012-12-24 | For the double; two horizontal spin axis formula floating junction device that carriage frame connects |
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| CN201210567231.1A CN103043101B (en) | 2012-12-24 | 2012-12-24 | For the double; two horizontal spin axis formula floating junction device that carriage frame connects |
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| CN103043101B true CN103043101B (en) | 2016-06-15 |
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| CN104401399B (en) * | 2014-11-15 | 2016-11-30 | 江苏海鹏特种车辆有限公司 | Mechanical damping device for limit for height location |
| CN114715015B (en) * | 2022-05-25 | 2022-08-26 | 中汽北消(北京)应急装备科技有限公司 | Large-scale special desert transport vechicle |
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|---|---|---|---|---|
| CN2159343Y (en) * | 1993-07-01 | 1994-03-23 | 大连理工大学 | Flexibly connecting auxiliary shafts |
| CN102501901A (en) * | 2011-10-31 | 2012-06-20 | 北京三兴汽车有限公司 | Full floating connecting support |
| CN203222031U (en) * | 2012-12-24 | 2013-10-02 | 北京三兴汽车有限公司 | Double cross rotary shaft type floating connecting device for connection of vehicle frame |
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| Publication number | Publication date |
|---|---|
| CN103043101A (en) | 2013-04-17 |
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