CN102101423A - Suspending device for bridge detection working vehicle - Google Patents
Suspending device for bridge detection working vehicle Download PDFInfo
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- CN102101423A CN102101423A CN 201110033040 CN201110033040A CN102101423A CN 102101423 A CN102101423 A CN 102101423A CN 201110033040 CN201110033040 CN 201110033040 CN 201110033040 A CN201110033040 A CN 201110033040A CN 102101423 A CN102101423 A CN 102101423A
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- oil cylinder
- seat
- bridge detection
- working vehicle
- hanging oil
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Abstract
The invention provides a suspending device for a bridge detection working vehicle. The suspending device for the bridge detection working vehicle mainly comprises a rear axle steel plate spring suspension device, two or four supporting leveling base, an oil suspension device and a stander assembly; the rear axle steel plate spring suspension device consists of two groups of steel plate springs; each group of steel plate springs is formed by mutually overlapping and fixing a plurality of steel plates with different lengths; each supporting leveling base has a framework structure formed by welding a plurality of steel plates; the oil suspension device comprises a suspension oil cylinder, a supporting foot base, a U-shaped base, a connecting plate, a bidirectional hydraulic lock and a three-position four-way reversing valve; and the stander assembly comprises a chassis vehicle frame and an auxiliary vehicle frame. The steel plate spring suspension and the oil suspension are combined organically, so the suspending device for the bridge detection working vehicle plays a role in buffering and damping during running of the bridge detection working vehicle, and rigidly supporting during working of the bridge detection working vehicle; therefore, the contradiction of buffering and damping during running of the bridge detection working vehicle and rigidly supporting during working of the bridge detection working vehicle can be solved effectively. The suspending device for the bridge detection working vehicle has the characteristics of large bearing capacity, rational fixing position, high stability, low contact stress and high reliability.
Description
Technical field
The present invention relates to a kind of suspension gear, especially a kind of bridge that connects vehicle bridge and vehicle frame that is applicable to detects Operation Van's suspension gear.
Background technology
Bridge detects Operation Van a kind ofly both can implement the vehicle of operations such as detection, maintenance and reinforcing again to bridge in travels down.Be to guarantee that bridge detects the driving comfort and the operation steadiness of Operation Van, the suspension gear of the non-yielding prop ability when requiring to be provided with between its chassis frame and the vehicle bridge buffer shock-absorbing performance that both had when travelling and operation; Though this can realize by adopting fluid suspension technology, its complex structure, cost height, relatively low, the easy to maintenance property of reliability of service are relatively poor.At present, bridge detects Operation Van and generally adopts the BF device, this device can effectively relax the ground-surface impact shock when it travels, but it is when detecting operation, because the operation jib is subjected to the influence of present position, the factors such as load size of bearing, the deformation extent of steel spring then is among the continuous variation, has a strong impact on safety and comfort feature when detecting operation.Although there are indivedual bridges to detect Operation Van's product on the basis of BF, setting up a cover again is used for sharing the oil cylinder of steel spring load by the support chassis vehicle frame when detecting operation, but also there is following obvious deficiency: the one, can not implement effective blockade to the pressure oil in big chamber of oil cylinder and the loculus, load-carrying capacity is poor, can't really play the effect that ensures job safety; The 2nd, the coupling between the fixed position of cylinder block and its effective travel is unreasonable, manual operation is difficult to control its piston rod and extend out to rational length, even extension elongation is too small, then be difficult to play the carrying effect, if extension elongation is excessive, chassis frame is risen machine gravity is increased and influence stability, even can make steel spring oppositely stressed and cause oil pressure too high and influence the use of steel spring; The 3rd, the contact condition between oil cylinder piston bar outer end and the axle housing is undesirable, causes that contact stress is big, the supporting poor reliability.
Summary of the invention
The objective of the invention is to overcome the weak point in the prior art, provide a kind of simple in structure, load-carrying capacity is strong, the fixed position is reasonable, good stability, contact stress is little, reliability is high bridge detect Operation Van's suspension gear.
For achieving the above object, bridge of the present invention detects Operation Van's suspension gear, comprise chassis frame, be located at the subframe on the chassis frame, be provided with connecting panel between chassis frame and the subframe, connecting panel is provided with the U-shaped seat, establish hanging oil cylinder in the U-shaped seat, the piston rod of hanging oil cylinder is provided with stand bar seat, the below of stand bar seat is provided with back axle BF device and carrying leveling seat, it is characterized in that: described back axle BF device is made up of two groups of steel springs, every group of steel spring fixedly forms by the different steel plate mutual superposition of polylith length, and the two ends of every group of steel spring link to each other with chassis frame, and the middle part is fixed on the vehicle bridge; Or the two ends of every group of steel spring are fixed on two back axles, and the middle part is fixed on the chassis frame; Described carrying leveling seat is 2 or 4, and each carrying leveling seat is welded into framed structure by the polylith steel plate, and its top steel plate is horizontal, and its underpart side plate then is weldingly fixed on steel spring and the contacted position of vehicle bridge; The number of described hanging oil cylinder transfers the flat-seated number corresponding with carrying, each hanging oil cylinder axis is all corresponding with its corresponding carrying leveling seat upper surface center-point, two hydraulic fluid ports of each hanging oil cylinder are connected with bidirectional hydraulic lock by the road, are connected with three position four-way directional control valve through bidirectional hydraulic lock.
The fixed position of described each hanging oil cylinder cylinder barrel is that to make the distance of supporting leg seat bottom surface between carrying leveling seat upper surface be the aviation value sum of piston rod stroke S and steel spring two deflections when bearing 10% load and 20% load; Described stand bar seat is hinged on the piston rod of hanging oil cylinder.
Beneficial effect: because BF and fluid are hung combination, not only can detect Operation Van at bridge plays the buffer shock-absorbing effect in motion, but also plays the non-yielding prop effect can be in operation the time, efficiently solve the contradiction of need non-yielding prop when wanting buffer shock-absorbing and operation when bridge detects the operation walking, have that load-carrying capacity is strong, the fixed position reasonable, a good stability, little, the high reliability features of contact stress; The fixed position and the stroke of hanging oil cylinder are complementary, and both can guarantee the supporting rigidity requirement, make full use of the load-carrying capacity of steel spring, and the height of gravitational center in the time of can effectively reducing the complete machine operation again improves the operation stability and security; The hanging oil cylinder oil circuit is provided with bidirectional hydraulic lock, can effectively improve supporting rigidity, the whereabouts voluntarily in the time of also can avoiding cruising; Carrying transfers flat-seated number and structure all to adapt with the mounting means of steel spring, has good comformability; Stand bar seat and hanging oil cylinder piston rod are articulated and connected in addition, have effectively improved it and have transferred the flat-seated contact condition with carrying, have improved the safety of supporting.This suspension gear is simple in structure, safe and reliable, comformability is strong, with low cost, result of use good, has practicality widely.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1-carrying leveling seat; The 2-connecting panel; The 3-stand bar seat; The 4-hanging oil cylinder; 5-U shape seat; The 6-subframe; The 7-bidirectional hydraulic lock; The 8-three position four-way directional control valve; The 9-chassis frame; The 10-steel spring, the 11-vehicle bridge.
The specific embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
As shown in Figure 1, the present invention mainly is made up of back axle BF device, carrying leveling seat 1, fluid suspension gear and support assembly.Back axle BF device is made up of two groups of steel springs 10, every group of steel spring 10 fixedly forms by the different steel plate mutual superposition of polylith length, for single back axle, the two ends of every group of steel spring 10 link to each other with chassis frame 9, and the middle part is fixed on the vehicle bridge 11; For two back axles, the two ends of every group of steel spring then are fixed on two back axles, and the middle part is fixed on the chassis frame 9.Carrying leveling seat 1 is 2 or 4, and each carrying leveling seat 1 is welded into framed structure by the polylith steel plate, and its top steel plate is horizontal, and its underpart side plate then is weldingly fixed on steel spring 10 and vehicle bridge 11 contacted positions.The fluid suspension gear comprises hanging oil cylinder 4, stand bar seat 3, U type seat 5, connecting panel 2, bidirectional hydraulic lock 7 and three position four-way directional control valve 8; The number of hanging oil cylinder 4 is corresponding with the number of carrying leveling seat 1, each hanging oil cylinder 4 axis is all corresponding with its corresponding carrying leveling seat 1 upper surface center-point, two hydraulic fluid ports of each hanging oil cylinder 4 are connected with bidirectional hydraulic lock 7 by the road, connect three position four-way directional control valve 8 through bidirectional hydraulic lock 7, total bearing capacity of each hanging oil cylinder 4 is 10% to 20% of each steel spring 10 original load of bearing; The fixed position of each hanging oil cylinder 4 and piston rod stroke
SBetween determine: calculate two deflections of steel spring 10 when bearing the load of its load of 10% and 20% earlier
X 1With
X 2The piston rod of hanging oil cylinder 4 is withdrawn fully, and supporting leg seat 3 is hinged on its piston rod, at this moment the fixed position of hanging oil cylinder 4 cylinder barrels is to make the distance between supporting leg seat 3 lower surfaces and carrying leveling seat 1 upper surface equal the piston rod stroke
SWith the aviation value of two deflections [(
X 1+
X 2)/2] sum.Hanging oil cylinder 4 is a double acting hydraulic cylinder, its rod end is hinged with stand bar seat 3 by bearing pin, two hydraulic fluid ports of hanging oil cylinder 4 are connected with two actuator ports of three position four-way directional control valve 8 by bidirectional hydraulic lock 7, oil pipe, the cylinder barrel of hanging oil cylinder 4 is connected by U type seat 5 and connecting panel 2 welding, and by being bolted on the support assembly, support assembly comprises chassis frame 9, is fixed on the subframe 6 of chassis frame 9 tops, and chassis frame 9 and subframe 6 are cross-sectional plane and are the flute profile " steel plate of ["; Connecting panel 2 is fixed between chassis frame 9 and the subframe 6.
Principle of work: when bridge detection Operation Van need travel on the road surface, operation three position four-way directional control valve 8 is to position, a left side, pressure oil is introduced the loculus of hanging oil cylinder 4 bottoms through bidirectional hydraulic lock 7, make piston retraction and stand bar seat 3 is mentioned to a certain distance from carrying leveling seat 1, afterwards, operation three position four-way directional control valve 8 is to meta, and hanging oil cylinder 4 is by bidirectional hydraulic lock 7 lockings; At this moment, relax from the ground-surface shock and vibration by steel spring 10.When bridge detection Operation Van needs operations such as bridge enforcement detection, maintenance and reinforcings, operation three position four-way directional control valve 8 is to right position, pressure oil is introduced the big chamber on hanging oil cylinder 4 tops through bidirectional hydraulic lock 7, the oil cylinder piston bar promotes stand bar seat 3 and contacts with carrying leveling seat 1, and make hanging oil cylinder 4 share the fractional load that former steel spring 10 is born, afterwards, operation three position four-way directional control valve 8 is to meta, then hanging oil cylinder 4 is bearing on the vehicle bridge 11 chassis frame 9 by bidirectional hydraulic lock 7 lockings rigidly.
Claims (3)
1. a bridge detects Operation Van's suspension gear, comprise chassis frame (9), be located at the subframe (6) on the chassis frame (9), be provided with connecting panel (2) between chassis frame (9) and the subframe (6), connecting panel (2) is provided with U-shaped seat (5), establish hanging oil cylinder (4) in the U-shaped seat (5), the piston rod of hanging oil cylinder (4) is provided with stand bar seat (3), the below of stand bar seat (3) is provided with back axle BF device and carrying leveling seat (1), it is characterized in that: described back axle BF device is made up of two groups of steel springs (10), every group of steel spring (10) fixedly forms by the different steel plate mutual superposition of polylith length, the two ends of every group of steel spring (10) link to each other with chassis frame (9), and the middle part is fixed on the vehicle bridge (11); Or the two ends of every group of steel spring then are fixed on two back axles, and the middle part is fixed on the chassis frame (9); Described carrying leveling seat (1) is 2 or 4, and each carrying leveling seat (1) is welded into framed structure by the polylith steel plate, and its top steel plate is horizontal, and its underpart side plate then is weldingly fixed on steel spring (10) and the contacted position of vehicle bridge (11); The number of described hanging oil cylinder (4) is corresponding with the number of carrying leveling seat (1), each hanging oil cylinder (4) axis is all corresponding with its corresponding carrying leveling seat (1) upper surface center-point, two hydraulic fluid ports of each hanging oil cylinder (4) are connected with bidirectional hydraulic lock (7) by the road, are connected with three position four-way directional control valve (8) through bidirectional hydraulic lock (7).
2. bridge according to claim 1 detects Operation Van's suspension gear, it is characterized in that: the fixed position of described each hanging oil cylinder (4) cylinder barrel for make supporting leg seat (3) lower surface with carry distance between leveling seat (1) upper surface equal piston rod stroke and steel spring (10) the aviation value sum of two deflections when 10% load of bearing and 20% load.
3. bridge according to claim 1 detects Operation Van's suspension gear, and it is characterized in that: described stand bar seat (3) is hinged on the piston rod of hanging oil cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110033040 CN102101423B (en) | 2011-01-31 | 2011-01-31 | Suspending device for bridge detection working vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110033040 CN102101423B (en) | 2011-01-31 | 2011-01-31 | Suspending device for bridge detection working vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102101423A true CN102101423A (en) | 2011-06-22 |
| CN102101423B CN102101423B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110033040 Active CN102101423B (en) | 2011-01-31 | 2011-01-31 | Suspending device for bridge detection working vehicle |
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| CN (1) | CN102101423B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908723A (en) * | 2015-06-18 | 2015-09-16 | 安徽开乐专用车辆股份有限公司 | Hydraulic support device used for drop-and-pull transport semitrailer |
| CN106956667A (en) * | 2017-05-08 | 2017-07-18 | 苏州标杆知识产权运营有限公司 | A kind of bridge inspection operation vehicle suspension device |
| CN108128110A (en) * | 2016-12-01 | 2018-06-08 | 江苏卡威汽车工业集团有限公司 | A kind of electric automobile chassis |
| CN109185248A (en) * | 2018-10-31 | 2019-01-11 | 湖南农业大学 | A kind of leveling system and its leveling method adaptively leveling chassis for high-clearance fog machine |
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| JPH0911726A (en) * | 1995-06-30 | 1997-01-14 | Daewoo Electronics Co Ltd | Height adjusting device for automobile |
| CN2649377Y (en) * | 2003-09-02 | 2004-10-20 | 中国人民解放军63983部队 | Oil-gas suspension hydraulic regulating device |
| CN1971080A (en) * | 2005-11-25 | 2007-05-30 | 吕崇耀 | Electromagnetic-rheological fluid hydro-pneumatic hanging system |
| CN200977842Y (en) * | 2006-03-29 | 2007-11-21 | 朱文雄 | General purpose automobile suspension system |
| US20080179148A1 (en) * | 2007-01-25 | 2008-07-31 | Gm Global Technology Operations, Inc. | Multistage Jounce Bumper |
| WO2009117617A2 (en) * | 2008-03-20 | 2009-09-24 | Tlc Suspensions, Llc | Composite suspension system for a vehicle |
-
2011
- 2011-01-31 CN CN 201110033040 patent/CN102101423B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0911726A (en) * | 1995-06-30 | 1997-01-14 | Daewoo Electronics Co Ltd | Height adjusting device for automobile |
| CN2649377Y (en) * | 2003-09-02 | 2004-10-20 | 中国人民解放军63983部队 | Oil-gas suspension hydraulic regulating device |
| CN1971080A (en) * | 2005-11-25 | 2007-05-30 | 吕崇耀 | Electromagnetic-rheological fluid hydro-pneumatic hanging system |
| CN200977842Y (en) * | 2006-03-29 | 2007-11-21 | 朱文雄 | General purpose automobile suspension system |
| US20080179148A1 (en) * | 2007-01-25 | 2008-07-31 | Gm Global Technology Operations, Inc. | Multistage Jounce Bumper |
| WO2009117617A2 (en) * | 2008-03-20 | 2009-09-24 | Tlc Suspensions, Llc | Composite suspension system for a vehicle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908723A (en) * | 2015-06-18 | 2015-09-16 | 安徽开乐专用车辆股份有限公司 | Hydraulic support device used for drop-and-pull transport semitrailer |
| CN108128110A (en) * | 2016-12-01 | 2018-06-08 | 江苏卡威汽车工业集团有限公司 | A kind of electric automobile chassis |
| CN108128110B (en) * | 2016-12-01 | 2023-08-22 | 江苏卡威汽车工业集团有限公司 | Electric automobile chassis |
| CN106956667A (en) * | 2017-05-08 | 2017-07-18 | 苏州标杆知识产权运营有限公司 | A kind of bridge inspection operation vehicle suspension device |
| CN109185248A (en) * | 2018-10-31 | 2019-01-11 | 湖南农业大学 | A kind of leveling system and its leveling method adaptively leveling chassis for high-clearance fog machine |
| CN109185248B (en) * | 2018-10-31 | 2023-11-21 | 湖南农业大学 | Leveling system and leveling method for self-adaptive leveling of chassis of high-clearance plant protection machine |
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| Publication number | Publication date |
|---|---|
| CN102101423B (en) | 2013-04-17 |
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