CN2836431Y - Vehicle bridge formula hitch - Google Patents
Vehicle bridge formula hitch Download PDFInfo
- Publication number
- CN2836431Y CN2836431Y CN 200520200800 CN200520200800U CN2836431Y CN 2836431 Y CN2836431 Y CN 2836431Y CN 200520200800 CN200520200800 CN 200520200800 CN 200520200800 U CN200520200800 U CN 200520200800U CN 2836431 Y CN2836431 Y CN 2836431Y
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- CN
- China
- Prior art keywords
- traction seat
- vehicle bridge
- frame
- hydraulic jack
- pull bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of vehicle bridge formula hitch, be characterized in it steel spring plate and back axle between traction seat is installed, traction seat is provided with hydraulic jack bearing and drawing pull bar bearing; Hydraulic jack and drawing pull bar are installed on traction seat, link mutually with lift arm and lifting arm, constitute the fork hoisting mechanism by the oil cylinder push rod.Its advantage is can be according to the size of various farm machinery required drives, directly the various maturations of apolegamy, reliable, cheap and the rear driving axle of truck with powerful output rotation torque are as the drive disk assembly of farm machinery traction power, the structure of both having simplified the large farm machinery traction power has can reduce the cost of making, and has improved the security performance and the operation work efficiency of complete set of farm machines and tools power greatly.
Description
Technical field
The utility model relates to the agricultural tool technical field, especially a kind ofly is applicable to agriculture tractor-ploughing, trailering transport or can be other machinery that needs high-power rotation torque do to flow vehicle bridge formula hitch of mating power.
Background technology
At present, the mating power majority of big-and-middle-sized farm machinery all is to use the tractor of traditional structure, and the tractor of traditional structure all is with engine, gearbox and back axle close-fitting in conjunction with composition be body be again the integral structure of frame, its complex structure, cost an arm and a leg, and not only there is not the damping setting but also do not have the front-wheel braking as walking power, make tractor can't grasp its stability because of vibration under steam, thereby greatly reduce the performance of agricultural machinery mating power safety traffic, therefore, existing large and middle tractor is in highly energy-consuming for a long time, the situation of low work efficiency and poor safety performance.
Summary of the invention
The purpose of this utility model is exactly that a kind of suspension hoisting mechanism of farm machinery is provided for the back axle of truck, thereby makes reliable in quality, cheap truck back axle can utilize the drive disk assembly as complete set of farm machines and tools power.
Solution of the present utility model is such: rear suspension system is the steel spring plate hitch, is provided with steel spring plate below the frame rear portion, and back axle is installed in the bottom of steel spring plate, between steel spring plate and back axle traction seat is installed.
Hydraulic jack bearing and drawing pull bar bearing are installed on traction seat, just can draw corresponding farm machinery and carry out operation.
In above-mentioned scheme: the inboard that described cylinder support can be positioned at frame also can be positioned at the outside of frame; Described traction seat lower end is provided with screens, and screens and back axle steel plate composition surface match, and is stuck on the back axle fixing; Described steel spring plate, traction seat and back axle can be connected and fixed with U-bolt; Described traction seat rear end can hinged drawing pull bar, and the hydraulic jack push rod links mutually with drawing pull bar with lifting arm by lift arm and is connected, and constitutes the fork hoisting mechanism.
The utility model has the advantages that: after the lower end of steel spring plate is provided with traction seat, can be according to the size of various farm machinery required drives, directly the various maturations of apolegamy, reliable, cheap and the rear driving axle of truck with powerful output rotation torque are as the drive disk assembly of complete set of farm machines and tools power, not only simplify the structure of large farm machinery mating power but also can reduce the cost of manufacturing, make the increase of complete set of farm machines and tools power keep away the function of shaking, improved the security performance and the operation work efficiency of complete set of farm machines and tools power greatly.
Description of drawings
Accompanying drawing is embodiment of the present utility model.
Accompanying drawing 1 is the external structural representation of oil cylinder in the utility model.
Accompanying drawing 2 is the external assembling diagrammatic sketch 1 of oil cylinder.
Accompanying drawing 3 is the external assembling diagrammatic sketch 2 of oil cylinder.
Accompanying drawing 4 is the external assembling diagrammatic sketch 3 of oil cylinder.
Accompanying drawing 5 is the external assembling signals 4 of oil cylinder.
Accompanying drawing 6 is the external assembling diagrammatic sketch 5 of oil cylinder.
Accompanying drawing 7 is the built-in assembling diagrammatic sketch 1 of oil cylinder.
Accompanying drawing 8 is the built-in assembling diagrammatic sketch 2 of oil cylinder.
Accompanying drawing 9 is structural representations that frame 1 is made up of crossbeam.
Embodiment
The utility model includes frame 1, steel plate seat 2, hinge of leaf spring 3, steel plate pin 4, steel spring plate 5, traction seat 6, back axle 7, U-bolt 8, cylinder support 9, hydraulic jack 10, drawing pull bar bearing 11, hoisting frame 12, backstay bearing 13, backstay 14, couple axle bearing 15, couple axle 16, lift arm 17, hoisting frame bearing 18, drawing pull bar 19, lifting arm 20, groove L.
Rear suspension system is the steel spring plate hitch, below frame 1 rear portion, be provided with steel spring plate 5, back axle 7 is installed in the bottom of steel spring plate 5, between steel spring plate 5 and back axle 7 traction seat 6 is installed, and is provided with on traction seat 6 cylinder support 9 and drawing pull bar bearing 11 are installed.
In the structure of figure shown in (1,3,4,5,6), cylinder support 9 is the outsides that are positioned at frame 1, has screens groove L on traction seat 6, and screens groove L engages face and section matches and fixedly to be stuck on the back axle 7 with the steel plate of back axle 7.With U-bolt 8 with steel spring plate 5, traction seat 6 and back axle 7 fastening disjunctors.The oil cylinder push rod of hydraulic jack 10 and lift arm 17 are hinged to be connected with the lift arm of the other end by couple axle 16, and an end and the lift arm 17 of lifting arm 20 are hinged, the other end and the drawing pull bar 19 hinged formation fork hoisting mechanisms that are installed on the traction seat 6.Hydraulic jack 10 is to be installed on the hydraulic jack bearing 9 with lock pin.Be equipped with on frame 1 and hang hoisting frame 12, the middle part of hoisting frame 12 is provided with backstay bearing 13, and backstay 14 is installed on the backstay bearing.Also be provided with couple axle bearing 15 in the both sides that hang hoisting frame 12, be used to install couple axle 16, be provided with spline at the two ends of couple axle 16 and be used to install lift arm 17.
Be symmetrical arranged steel plate seat 2 in the left and right longeron of frame rear section lower surface and hinge of leaf spring 3 usefulness steel plate pins 4 are installed in left and right longeron lower end with steel spring plate 5, in the bottom of left and right steel spring plate traction seat 6 is set, the upper surface of traction seat 6 is set with the steel spring plate binding face and the steel spring plate bottom connection closes, the lower surface is laterally established draw-in groove L and is become spacing joint with steel plate locating surface on the back axle 7, be about to the centre that traction seat 6 is arranged on steel spring plate 5 and back axle 7, steel spring plate 5 traction seats 6 be fastenedly connected with back axle 7 with U-bolt 8.Described traction seat 6 is provided with hydraulic jack bearing 9, hydraulic jack bearing 9 can be arranged on the left side or the right side of steel spring plate according to the specification of farm machinery drawing pull bar width, (outer side cylinder apparatus is in the outside of frame can to constitute outer side oil cylinder of installation or interior side oil cylinder, interior side cylinder apparatus is in the inboard of frame) traction seat, establish hydraulic jack 10 usefulness lock pins and be assemblied on the hydraulic jack bearing 9.Described traction seat 6 is provided with drawing pull bar bearing 11, specification according to farm machinery drawing pull bar width, drawing pull bar bearing 11 is fixed on promptly constitutes axle suspension behind the Shockproof type that is provided with steel spring plate, hydraulic jack seat and drawing pull bar seat on the position that the rear end of traction seat sets, in the present embodiment, drawing pull bar bearing 11 is arranged on the rear end of traction seat 6.
Position rod bearing 13 is set in the middle part of hoisting frame 12, is provided with backstay 14 is installed on the position, hole of backstay bearing 13.The both sides of hoisting frame 12 are provided with left and right couple axle bearing 15, and couple axle 16 is installed on the position, hole of couple axle bearing 15, establish spline at the two ends of couple axle 16 and assemble left and right lift arm 17.
In the process of making assembling, power size that can be required according to farm implements is matched the drive disk assembly of the rear driving axle of various trucies as traction power, simultaneously can be according to the specification of farm machinery drawing pull bar width, oil cylinder is arranged on the inboard of frame, shown in accompanying drawing (7,8).
In the present embodiment, traction seat 6 is made the structure with two cylinder supports 9, constitute the structure that is positioned at frame 1 inboard and the outside simultaneously when being installed on the back axle 7, to strengthen the versatility of suspension, can be according to the specification of farm machinery drawing pull bar width, if external oil cylinder or built-in oil cylinder, the hoisting frame two ends of external oil cylinder are fixed on left and right longeron rear portion epimere face, can establish the inboard that hoisting frame bearing 18 is fixed on left and right hoisting frame 12 again.If drawing pull bar 19 usefulness lock pins are connected on the position, hole of drag link bearing 11.If the top connection of lifting arm 20 connects lift arm 17 with lock pin, lower contact is connected with lock pin and promptly constitutes complete vehicle bridge formula on the position that drawing pull bar 19 sets and hang hoisting mechanism.Traction seat 6 also can be made the structure of having only a cylinder support 9, is installed in promptly to constitute the structure that is positioned at frame 1 inboard or the outside on the back axle 7.
Present embodiment adopts each traction seat 6 to have the structure of two cylinder supports 9 to illustrate, can be when actual fabrication according to farm machinery drawing pull bar width specifications, if outer side oil cylinder or interior side oil cylinder, the hoisting frame of outer side oil cylinder promptly are fixed on the position that sets on the left and right longeron rear section.The hoisting frame of interior side oil cylinder can be fixed on left and right longeron rear section upper surface, can establish hoisting frame bearing 18 again and be fixed on left and right traction seat inboard.If drawing pull bar 19 usefulness lock pins are connected on the position, hole of drawing pull bar bearing 11.If the top connection of lifting arm 20 connects lift arm 17 with lock pin, lower contact is connected on the position that drawing pull bar 19 sets with lock pin and promptly constitutes complete " vehicle bridge formula hitch ".
In the present embodiment, described frame 1 is made up of crossbeam, hangs hoisting mechanism and is installed in the crossbeam rear, as shown in Figure 9.
If back axle is carried out brand-new design, described traction seat 6 can be linked as integral body with back axle 7, promptly take monoblock cast or alternate manner to make integral structure.
According to farm implements operation and the required speed of trailering transport special-purpose three-dimensional output variable speed case is set, make complete machine can realize four wheel drive or two-wheel drive, gearbox is provided with the many grades of conversion speeds of travel and the many grades of mechanisms that adjust power output, promptly constitutes the variable ratio drive system on " chassis " with power transmission shaft connection drive axle and tillage implement.
Be installed in " harvesting and tillage machine " last (patent No. 200420089996X) that obtains utility model patent at the utility model and have the agricultural machinery mating power of keeping away the function of shaking even " harvesting and tillage machine " becomes.
Claims (10)
1. vehicle bridge formula hitch, include the rear suspension system that is installed on the frame (1), it is characterized in that: rear suspension system is the steel spring plate device, below frame (1) rear portion, be provided with steel spring plate (5), back axle (7) is installed in the bottom of steel spring plate (5), between steel spring plate (5) and back axle (7) traction seat (6) is installed.
2. vehicle bridge formula hitch according to claim 1 is characterized in that: described traction seat (6) is provided with hydraulic jack bearing (9), and hydraulic jack bearing (9) is positioned at the inboard of frame (1).
3. vehicle bridge formula hitch according to claim 1 is characterized in that: described traction seat (6) is provided with hydraulic jack bearing (9), and hydraulic jack bearing (9) is positioned at the outside of frame (1).
4. vehicle bridge formula hitch according to claim 1, it is characterized in that: be provided with screens groove (L) in described traction seat (6) lower end, screens groove (L) matches with the steel plate composition surface section of back axle (7), forms screens and is fixed on the steel plate composition surface section of back axle (7).
5. according to claim 1 or 2 or 3 or 4 described vehicle bridge formula hitches, it is characterized in that: the rear end of described traction seat (6) is provided with drawing pull bar bearing (11).
6. vehicle bridge formula hitch according to claim 1 is characterized in that: described steel spring plate (5), traction seat (6) and back axle (7) are to be connected and fixed with U-bolt.
7. vehicle bridge formula hitch according to claim 1, it is characterized in that: on described traction seat (6), be hinged with drawing pull bar (19), hydraulic jack (10) is connected with lifting arm (20) by lift arm (17) with drawing pull bar (19), constitutes the fork hoisting mechanism.
8. hoisting mechanism according to claim 7, it is characterized in that: described fork hoisting mechanism is to be hingedly mounted on the couple axle (16) of hoisting frame (12) by the oil cylinder push rod of hydraulic jack (10) and lift arm (17), the other end of couple axle (16) is connected with lift arm (17), lifting arm (20) again with the hinged formation of drawing pull bar (19) that is hinged on the traction seat (6).
9. vehicle bridge formula hitch according to claim 1 is characterized in that: described frame (1) is made up of left and right longitudinal and cross beam.
10. according to claim 7 or 8 described hoisting mechanisms, it is characterized in that: be installed on the hoisting frame (12) at described lift arm (17) couple axle (16), hoisting frame (12) crosswise fixed is installed on portion's section that left and right longeron rear upper end sets or the inboard of left and right traction seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520200800 CN2836431Y (en) | 2005-12-05 | 2005-12-05 | Vehicle bridge formula hitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520200800 CN2836431Y (en) | 2005-12-05 | 2005-12-05 | Vehicle bridge formula hitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2836431Y true CN2836431Y (en) | 2006-11-15 |
Family
ID=37390916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520200800 Expired - Fee Related CN2836431Y (en) | 2005-12-05 | 2005-12-05 | Vehicle bridge formula hitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2836431Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985000A (en) * | 2017-11-27 | 2018-05-04 | 马鞍山市海华金属制品有限公司 | A kind of trailer air bag axle raising device |
-
2005
- 2005-12-05 CN CN 200520200800 patent/CN2836431Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985000A (en) * | 2017-11-27 | 2018-05-04 | 马鞍山市海华金属制品有限公司 | A kind of trailer air bag axle raising device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangxi Liuzhou Yongyi Machinery Manufacturing Co. Ltd. Assignor: Shen Yu| Yang Bin| Shen Xiaohu Contract record no.: 2009450000020 Denomination of utility model: Vehicle -bridge type suspension mechanism Granted publication date: 20061115 License type: Exclusive License Record date: 20090702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061115 Termination date: 20141205 |
|
| EXPY | Termination of patent right or utility model |