CN109941360A - A kind of fluid cylinder for car backward tilt mechanical float assembly - Google Patents
A kind of fluid cylinder for car backward tilt mechanical float assembly Download PDFInfo
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- CN109941360A CN109941360A CN201910268583.9A CN201910268583A CN109941360A CN 109941360 A CN109941360 A CN 109941360A CN 201910268583 A CN201910268583 A CN 201910268583A CN 109941360 A CN109941360 A CN 109941360A
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- assembly
- swing arm
- hydraulic cylinder
- bracket
- backward tilt
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Abstract
The invention belongs to commercial vehicle vehicle body fields, it is related to a kind of fluid cylinder for car backward tilt mechanical float assembly, including bracket assembly, swing arm assembly and hydraulic cylinder assembly, it is characterised in that, the bracket assembly and swing arm assembly are rotatablely connected, and the swing arm assembly and the hydraulic cylinder assembly are rotatablely connected;A kind of fluid cylinder for car backward tilt mechanical float assembly of the invention, solve the problems, such as that driver's cabin moves up and down when vehicle driving by swing arm motion, backward tilt hydraulic cylinder arrangement can be to avoid flapping issue and being turned over driver's cabin center of gravity and limit repeatedly when driver's cab turnover.To extend hydraulic cylinder service life, reduces spoilage and improve safety.
Description
Technical field
The present invention relates to a kind of fluid cylinder for car backward tilt mechanical float assemblies, belong to commercial vehicle vehicle body field.
Background technique
Currently, medium and heavy commercial-vehicle cab is overturn mainly based on hydraulic overturning, hydraulic overturning has support force big, can
The advantages that high by property.In normal vehicle operation, driver's cabin generation can be made to move up and down with road excitation difference, therefore hydraulic pressure system
Hydraulic cylinder need to elongate or shorten at any time just unlikely damage cab floor beam with the movement of driver's cabin in system.Currently on the market
Medium and heavy commercial vehicle mostly uses hydraulic funeral actuated hydraulic cylinder to solve the problems, such as that driver's cabin moves up and down, but the situation severe in road conditions
Under, vehicle persistently jolt cause driver's cabin frequently beat can greatly shorten hydraulic cylinder service life or damage hydraulic cylinder.There are also one
Some vehicles are using the mechanical float type hydraulic system that leans forward, though the system can guarantee that hydraulic cylinder does not stress since hydraulic cylinder is stretched
Long amount is smaller to be difficult to be turned over center of gravity, and there when overturning on the vehicle for being applied to air spring suspension system can have driver's cabin to be anti-
The problem of rereeling is put.
Summary of the invention
The purpose of the present invention is being directed to problem of the prior art, a kind of fluid cylinder for car backward tilt mechanical float assembly is provided
Assembly solves the problems, such as that driver's cabin moves up and down when vehicle driving by swing arm motion, and backward tilt hydraulic cylinder arrangement can be to avoid driving
When sailing room overturning repeatedly flapping issue and driver's cabin center of gravity can be turned over and limited.To extend hydraulic cylinder service life, drop
Low spoilage simultaneously improves safety.
To realize the above technical purpose, the technical scheme is that a kind of fluid cylinder for car backward tilt mechanical float fills
With assembly, including bracket assembly, swing arm assembly and hydraulic cylinder assembly, which is characterized in that the bracket assembly and swing arm assembly turn
Dynamic connection, the swing arm assembly and the hydraulic cylinder assembly are rotatablely connected.
Further, the bracket assembly includes bracket, overturning limited block, two limit casings, three bolts and three
Nut, the overturning limited block both ends are welded in the locating slot of bracket two sides, and two of them bolt is each passed through on bracket
Through-hole is inserted in limit casing, and is fastened by nut, and the bracket is bolted with swing arm assembly by another.
Further, the pedestal upper end is fixedly connected with cab floor beam.
Further, the swing arm assembly includes swing arm, connecting sleeve, bushing, flat-headed pin, cushion, washer and split pin;
In described swing arm one end, the connecting sleeve passes through swing arm one end and bushing is coaxially connected, and the bracket is successively worn by bolt
It connect after crossing the through-hole on bracket, bushing, connecting sleeve with swing arm, and is fastened by nut;It is described in the swing arm other end
Swing arm other end is connect by flat-headed pin with hydraulic cylinder assembly.
Further, the hydraulic cylinder assembly includes hydraulic cylinder piston rod, hydraulic cylinder and alarm lamp device;The swing arm
After the other end passes through washer, the through-hole of swing arm other end, cushion, hydraulic cylinder piston rod upper end through-hole by flat-headed pin, and by opening
Mouth pin is fixed;The hydraulic cylinder piston rod is connect with hydraulic cylinder, and alarm lamp dress is welded on the outside of the hydraulic cylinder piston rod
It sets, the hydraulic cylinder lower end is connect by bolt with vehicle frame.
Further, the hydraulic cylinder piston rod upper end be equipped with limited block, the limited block can with overturning limited block in
The clamping of heart groove.
Compared with prior art, the invention has the following advantages that
1) a kind of commercial fluid cylinder for car backward tilt mechanical float assembly of the present invention is adapted to bad working environments, protects
Card is completed to make not generate damping force inside hydraulic cylinder under the premise of driver's cabin or more is jumped when driving in commercial vehicle, protection driver's cabin
Plate-girder is injury-free;
2) assembly of the present invention realized by internal swing arm mechanical movement commercial-vehicle cab when driving up and down
Jump, hydraulic cylinder length remains unchanged during the motion, do not generate it is flexible, so as to avoid under traditional mode hydraulic cylinder it is frequent
The damage of hydraulic cylinder caused by moving or oil leak, extend hydraulic cylinder service life;
3) assembly hydraulic cylinder of the present invention is hypsokinesis arrangement, and that is waved when can be to avoid driver's cab turnover repeatedly asks
Topic;
4) assembly of the present invention may be implemented driver's cabin wide-angle and cross center of gravity overturning, lean forward different from conventional cylinder
The mechanical float assembly of formula arrangement may only low-angle overturning, cause driver's cabin and engine maintenance difficult;
5) assembly of the present invention can be each to adapt to by modifying outer dimension and the adjustment hydraulic cylinder length of bracket
The medium and heavy commercial vehicle arrangement of class, assembly are the assembly supply of material, are installed on line easy to produce.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of assembly of the present invention.
Fig. 2 is the decomposition texture schematic diagram of assembly of the present invention.
Fig. 3 is the structural schematic diagram of bracket assembly of the present invention.
Fig. 4 is the decomposition texture schematic diagram of bracket assembly of the present invention.
Fig. 5 is the structural schematic diagram of swing arm assembly of the present invention.
Fig. 6 is the decomposition texture schematic diagram of swing arm assembly of the present invention.
Fig. 7 is the structural schematic diagram of present hydraulic cylinder assembly.
Fig. 8 is the decomposition texture schematic diagram of present hydraulic cylinder assembly.
Description of symbols: 100- bracket assembly, 200- swing arm assembly, 300- hydraulic cylinder assembly, 1- bracket, 2- overturning limit
Position block, 3- limit casing, 4- bolt, 5- nut, 6- swing arm, 7- connecting sleeve, 8- bushing, 9- flat-headed pin, 10- cushion, 11- pad
Circle, 12- split pin, 13- hydraulic cylinder piston rod, 131- limited block, 14- hydraulic cylinder, 15- alarm lamp device.
Specific embodiment
Below with reference to specific drawings and examples, the invention will be further described.
Embodiment 1:
As shown in Figure 1 and Figure 2, a kind of fluid cylinder for car backward tilt mechanical float assembly in the present embodiment 1, including bracket
Assembly 100, swing arm assembly 200 and hydraulic cylinder assembly 300, the bracket assembly 100 is rotatablely connected with swing arm assembly 200, described
Swing arm assembly 200 and the hydraulic cylinder assembly 300 are rotatablely connected;
As shown in figure 3, the bracket assembly 100 include bracket 1, overturning the bolt 4 of limit casing 3, three of limited block 2, two and
Three nuts 5, overturning 2 both ends of limited block are welded in the locating slot of 1 two sides of bracket, and two of them bolt 4 is each passed through
Through-hole on bracket 1 is inserted in limit casing 3, and is fastened by nut 5, and the bracket 1 passes through another with swing arm assembly 200
Bolt 4 connects, and 1 upper end of bracket is fixedly connected with cab floor beam;
As shown in figure 4, the swing arm assembly 200 includes swing arm 6, connecting sleeve 7, bushing 8, flat-headed pin 9, cushion 10, washer 11
And split pin 12;In described 6 one end of swing arm, the connecting sleeve 7 passes through 6 one end of swing arm and bushing 8 is coaxially connected, the bracket
1 through-hole on bracket 1, bushing 8, connecting sleeve 7 are sequentially passed through by bolt 4 after connect with swing arm 6, and pass through nut 5 and fasten;
In 6 other end of swing arm, 6 other end of swing arm is connect by flat-headed pin 9 with hydraulic cylinder assembly 300;
As shown in figure 5, the hydraulic cylinder assembly 300 includes hydraulic cylinder piston rod 13, hydraulic cylinder 14 and alarm lamp device 15;Institute
It states 6 other end of swing arm and passes through flat-headed pin 9 on washer 11, the through-hole of 6 other end of swing arm, cushion 10, hydraulic cylinder piston rod 13
After holding through-hole, and fixed by split pin 12;The hydraulic cylinder piston rod 13 is connect with hydraulic cylinder 14, in the hydraulic cylinder piston
Alarm lamp device 15 is welded on the outside of bar 13,14 lower end of hydraulic cylinder is connect by bolt with vehicle frame;The hydraulic cylinder is living
13 upper end of stopper rod is equipped with limited block 131, and the limited block 131 can be with overturning 2 center groove of limited block clamping.
Hydraulic cylinder assembly 300 in the present invention is hypsokinesis arrangement, may be implemented driver's cabin wide-angle cross center of gravity overturning and
Driver's cab turnover flapping issue repeatedly is overcome during overturning, in normal vehicle operation, the assembly may be implemented to drive
Room normally moves up and down and guarantees that hydraulic cylinder does not stress and inside does not generate damping force, does not cause to damage to joist.
Driver's cabin wide-angle can be made to be turned over center of gravity in driver's cab turnover, and pass through bracket assembly after climbing over center of gravity
Limited block 2 is overturn in 100 and the limited block 131 of 13 upper end of hydraulic cylinder piston rod blocks, plays position-limiting action, guarantees driver's cabin not
It is further continued for overturning, prevents driver's cabin from falling off;In driver's cabin from when crossing position of centre of gravity falling, hydraulic cylinder piston rod 13 can be pulled and be turned over
Turning limited block 2 falls driver's cabin after rise.
When normal vehicle operation or driver's cab turnover are fallen after rise hydraulic cylinder assembly 300 not with bracket assembly 100 and swing arm
Assembly 200 interferes.
Not falling after rise in hydraulic cylinder assembly 300 to equilbrium position Times warning lamp can be always on, when hydraulic cylinder assembly 300 touches report
It is that hydraulic cylinder assembly 300 restores to equilbrium position that alarm lamp, which extinguishes, after warning lamp switch.
It, can be by repairing for distance between different commercial-vehicle cab joist shapes and different driver's cabins and vehicle frame
Change 100 shape of bracket assembly and change 300 length of hydraulic cylinder assembly carrys out meet demand.
The present invention and its embodiments have been described above, description is not limiting, it is shown in the drawings also only
It is one of embodiments of the present invention, practical structures are not limited thereto.All in all if those skilled in the art
It is enlightened by it, without departing from the spirit of the invention, is not inventively designed similar with the technical solution
Frame mode and embodiment, are within the scope of protection of the invention.
Claims (6)
1. a kind of fluid cylinder for car backward tilt mechanical float assembly, including bracket assembly (100), swing arm assembly (200) and
Hydraulic cylinder assembly (300), which is characterized in that the bracket assembly (100) and swing arm assembly (200) are rotatablely connected, the swing arm
Assembly (200) and the hydraulic cylinder assembly (300) are rotatablely connected.
2. a kind of fluid cylinder for car backward tilt mechanical float assembly according to claim 1, it is characterised in that: described
Bracket assembly (100) includes bracket (1), overturning limited block (2), two limit casings (3), three bolts (4) and three nuts
(5), described overturning limited block (2) both ends are welded in the locating slot of bracket (1) two sides, and two of them bolt (4) is each passed through
Through-hole on bracket 1 is inserted in limit casing (3), and is fastened by nut (5), and the bracket (1) and swing arm assembly (200) are logical
Cross the connection of another bolt (4).
3. a kind of fluid cylinder for car backward tilt mechanical float assembly according to claim 2, it is characterised in that: described
Bracket (1) upper end is fixedly connected with cab floor beam.
4. a kind of fluid cylinder for car backward tilt mechanical float assembly according to claim 2, it is characterised in that: described
Swing arm assembly (200) includes swing arm (6), connecting sleeve (7), bushing (8), flat-headed pin (9), cushion (10), washer (11) and opens
Mouth pin (12);In the swing arm (6) one end, the connecting sleeve (7) passes through swing arm (6) one end and bushing (8) is coaxially connected, institute
It states bracket (1) and sequentially passes through through-hole on bracket 1, bushing (8), connecting sleeve (7) by bolt (4) and connect afterwards with swing arm (6),
And it is fastened by nut (5);In the swing arm (6) other end, swing arm (6) other end passes through flat-headed pin (9) and hydraulic cylinder
Assembly (300) connection.
5. a kind of fluid cylinder for car backward tilt mechanical float assembly according to claim 4, it is characterised in that: described
Hydraulic cylinder assembly (300) includes hydraulic cylinder piston rod (13), hydraulic cylinder (14) and alarm lamp device (15);The swing arm (6)
The other end passes through washer (11), the through-hole of swing arm (6) other end, cushion (10), hydraulic cylinder piston rod (13) by flat-headed pin (9)
After the through-hole of upper end, and it is fixed by split pin (12);The hydraulic cylinder piston rod (13) connect with hydraulic cylinder (14), in the liquid
It is welded with alarm lamp device (15) on the outside of pressure cylinder piston bar (13), hydraulic cylinder (14) lower end is connected by bolt and vehicle frame
It connects.
6. a kind of fluid cylinder for car backward tilt mechanical float assembly according to claim 5, it is characterised in that: described
Hydraulic cylinder piston rod (13) upper end is equipped with limited block (131), and the limited block (131) can be with overturning limited block (2) central fovea
Slot clamping.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910268583.9A CN109941360A (en) | 2019-04-04 | 2019-04-04 | A kind of fluid cylinder for car backward tilt mechanical float assembly |
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CN201910268583.9A CN109941360A (en) | 2019-04-04 | 2019-04-04 | A kind of fluid cylinder for car backward tilt mechanical float assembly |
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CN109941360A true CN109941360A (en) | 2019-06-28 |
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CN201910268583.9A Pending CN109941360A (en) | 2019-04-04 | 2019-04-04 | A kind of fluid cylinder for car backward tilt mechanical float assembly |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101914888A (en) * | 2010-08-09 | 2010-12-15 | 三一重工股份有限公司 | Cab with turnover mechanism and dual-steel wheel road roller |
CN102689655A (en) * | 2011-03-25 | 2012-09-26 | 潘贤顺 | Torque-adjustable turnover mechanism for cab |
CN203717530U (en) * | 2014-02-24 | 2014-07-16 | 荆州久阳汽车零部件制造有限公司 | Car cab overturn oil cylinder adopting novel structure |
CN205345086U (en) * | 2015-12-31 | 2016-06-29 | 芜湖佳景科技有限公司 | Differential hydraulic pressure of non - system for driver's cabin upset heavily blocks |
US20180179028A1 (en) * | 2016-12-22 | 2018-06-28 | Liebherr-Hydraulikbagger Gmbh | Cabin lifter for a material transfer unit |
CN109159826A (en) * | 2018-09-30 | 2019-01-08 | 湖北三六特种装备有限责任公司 | A kind of cab supporting structure |
-
2019
- 2019-04-04 CN CN201910268583.9A patent/CN109941360A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101914888A (en) * | 2010-08-09 | 2010-12-15 | 三一重工股份有限公司 | Cab with turnover mechanism and dual-steel wheel road roller |
CN102689655A (en) * | 2011-03-25 | 2012-09-26 | 潘贤顺 | Torque-adjustable turnover mechanism for cab |
CN203717530U (en) * | 2014-02-24 | 2014-07-16 | 荆州久阳汽车零部件制造有限公司 | Car cab overturn oil cylinder adopting novel structure |
CN205345086U (en) * | 2015-12-31 | 2016-06-29 | 芜湖佳景科技有限公司 | Differential hydraulic pressure of non - system for driver's cabin upset heavily blocks |
US20180179028A1 (en) * | 2016-12-22 | 2018-06-28 | Liebherr-Hydraulikbagger Gmbh | Cabin lifter for a material transfer unit |
CN109159826A (en) * | 2018-09-30 | 2019-01-08 | 湖北三六特种装备有限责任公司 | A kind of cab supporting structure |
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Application publication date: 20190628 |