CN201179901Y - Double-tail wheel apparatus of hand tractor - Google Patents
Double-tail wheel apparatus of hand tractor Download PDFInfo
- Publication number
- CN201179901Y CN201179901Y CNU2008200701020U CN200820070102U CN201179901Y CN 201179901 Y CN201179901 Y CN 201179901Y CN U2008200701020 U CNU2008200701020 U CN U2008200701020U CN 200820070102 U CN200820070102 U CN 200820070102U CN 201179901 Y CN201179901 Y CN 201179901Y
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- tail wheel
- tail
- frame
- spider
- steering
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Abstract
The utility model relates to a double tail wheel device for a hand tractor, belonging to tail wheels of the hand tractor. The device consists of a stander, a riding seat, a left tail wheel device and right tail wheel device and a double tail wheel steering device, the left and right tail wheel devices are connected with the lower part of the rear end of the stander, the riding seat is connected with the upper part of the rear end of the stander, and the double tail wheel steering device is connected with the left and right tail wheel devices. The left and right wheel devices, the double tail wheel device, the stander and the riding seat are used, the hand tractor is supported by left and right tail wheels, a steering shaft is rotated by a step tread plate or a manual lever, the left and right tail wheels are rotated by steering gears and racks, a swinging arm pin, a swinging arm, a steering sleeve and a lifting sleeve of the tail wheels on a connecting rod of a swinging arm. When the working height for a rotavator of the hand tractor needs to be adjusted, a lifting screw stem of the tail wheels are rotates by an adjustment handle, a lifting sleeve rod of the tail wheels are driven and the tail wheels descend, thereby completing the supporting, steering and lifting functions of the double tail wheels; in addition, the running stability is good; and the double tail wheel device has the advantages of simple structure, good stability, simple operation and convenient control.
Description
Technical field
The utility model relates to a kind of tail wheel of walker tractor, the two tail-pulley devices of particularly a kind of walker tractor.
Background technology
At present, its tail wheel of the walker tractor of selling on market all is single-wheels sanctified by usage, and it is positioned at the midway location of walker tractor rear end, though this tail wheel is simple in structure, but exist the shortcoming of poor stability, when particularly needing the stable facility of supporting maintenance operation, its shortcoming is more remarkable.
The utility model content
The objective of the invention is to provide a kind of two tail-pulley devices of walker tractor of good stability.
The object of the present invention is achieved like this: this device by frame, take advantage of the seat, left and right sides tail-pulley device, two tail wheel steering hardwares are formed, left and right sides tail-pulley device is connected the bottom of the rear end of frame, takes advantage of seat to be connected the top of frame rear end, and two tail wheel steering hardwares are connected on the tail-pulley device of the left and right sides.
Left and right sides tail-pulley device has left and right sides tail wheel (9), tail wheel spider (7), tail wheel turning sleeve (5), tail wheel lifting screw (4), tail wheel lifting cover (27), tail wheel turning sleeve back-up ring (6), tail-wheel fork plate (11), steering shaft spider (18) and tail wheel lifting cover (27), tail wheel lifting screw (4) is connected in the tail wheel spider (7), tail wheel turning sleeve (5) and tail wheel turning sleeve back-up ring (6) order are positioned at the upper end of tail wheel spider (7), tail wheel spider (7) is fixed on the frame side lever, steering shaft spider (18) is fixed on the frame middle brace rod (19), and tail wheel turning sleeve (5) is installed in the tail wheel spider (7); Tail wheel lifting cover (27) connects tail wheel turning sleeve back-up ring (6) and is fixed on the tail wheel turning sleeve (5); Left and right sides tail wheel (9) is fixed on the tail-wheel fork plate (11) of tail wheel lifting cover (27) bottom, and left and right sides tail wheel (9) is connected on the tail-wheel fork plate (11).
Two tail wheel transfers have rocking arm (2); Rocking arm bearing pin (16); Tail wheel turning sleeve (5); Rocking arm connecting rod (14); Steering spindle spider (18); Steering spindle (24); Tooth sector (23); Step tread plate (26); Manual tommy bar (28); Frame middle brace rod (19); Tail wheel turning sleeve (5) is connected the two ends of rocking arm connecting rod (15) by rocking arm (2) and rocking arm bearing pin (16); One side of rocking arm connecting rod (15) is that tooth bar is meshed with tooth sector (23); Steering spindle spider (18) is positioned at the centre position of frame middle brace rod (19); The upper end of steering spindle spider (18) connects tooth sector (23); There is step tread plate (26) lower end of steering spindle (24), and steering spindle is connected in the steering spindle spider (18); Perhaps connect manual tommy bar (28) in the upper end of steering shaft.
Frame organic frame side lever (12), frame adapter plate (20), frame middle brace rod (19), housiung separator (22), an end of frame side lever (12) are connected with tail wheel spider (7) and tail wheel turning sleeve (5); The other end is connected the two ends of housiung separator (22); The midway location of housiung separator (22) is connected with frame middle brace rod (19); Frame middle brace rod (19) one ends are connected with steering shaft (24) with steering shaft spider (18), and the other end is connected with walker tractor connecting frame (21), are connected with frame adapter plate (20) on frame side lever (12) and housiung separator (22); Frame is fixed into one by frame support bar (13), (14) and frame adapter plate (20) and walker tractor rotovator.
Beneficial effect: owing to adopt the such scheme of knowing clearly, use left and right sides tail-pulley device, two tail wheel steering hardwares, frame and take advantage of seat, keep left right tail wheel of walker tractor supports, by step tread plate or manual tommy bar steering shaft is rotated, again by the tooth bar on steering gear and the rocking arm pipe link; rocker arm pin; rocking arm; turning sleeve tail wheel lifting cover rotates left and right sides tail wheel, when needs are adjusted walker tractor rotovator operating altitude, pass through regulating handle; the tail wheel lifting screw is rotated; drive tail wheel lifting loop bar and make the tail wheel lifting, support, turn to and elevating function; good operation stability, reached the purpose of this utility model thereby finish two tail wheels.Advantage: this apparatus structure is simple, and good stability is simple to operate, and control is convenient.
Description of drawings
Fig. 1 is the utility model and walker tractor bonding state constructional drawing.
Fig. 2 is the constructional drawing of the utility model left and right sides tail-pulley device and frame.
Fig. 3 is the monomer johning knot composition of the utility model left and right sides tail-pulley device and frame.
Fig. 4 is the two tail wheel steering hardware constructionals drawing of the utility model.
Fig. 5 is the two tail wheel steering hardware plan structure figure of the utility model.
Fig. 6 is the two tail wheel steering hardware manual steering constructionals drawing of the utility model.
The specific embodiment
Embodiment 1:1, rocker arm pin shaft retaining ring; 2, rocking arm; 3, rotary handle; 4, tail wheel lifting screw; 5, tail wheel turning sleeve; 6, tail wheel turning sleeve back-up ring; 7, tail wheel spider; 8, take advantage of seat; 9, left and right sides tail wheel; 10, rotovator; 11, tail-wheel fork plate; 12, frame side lever; 13,14, frame support bar; 15, rocking arm pipe link; 16, rocking arm bearing pin; 17, walker tractor hanging device; 18, steering shaft spider; 19, frame middle brace rod; 20, frame adapter plate; 21, hand steered dilatory connecting frame; 22, housiung separator; 23, steering gear; 24, steering shaft; 25, stretcher; 26, step tread plate; 27, tail wheel lifting cover; 28, manual tommy bar.
This device by frame, take advantage of seat, left and right sides tail-pulley device, two tail wheel steering hardwares are formed, left and right sides tail-pulley device is connected the bottom of the rear end of frame, takes advantage of seat to be connected the top of frame rear end, two tail wheel steering hardwares are connected on the tail-pulley device of the left and right sides.
Left and right sides tail-pulley device has left and right sides tail wheel 9, tail wheel spider 7, tail wheel turning sleeve 5, tail wheel lifting screw 4, tail wheel lifting cover 27, tail wheel turning sleeve back-up ring 6, tail-wheel fork plate 11, steering shaft spider 18 and tail wheel lifting cover 27, tail wheel lifting screw 4 is connected in the tail wheel spider 7, tail wheel turning sleeve 5 and tail wheel turning sleeve back-up ring 6 orders are positioned at the upper end of tail wheel spider 7, tail wheel spider 7 is fixed on the frame side lever, steering shaft spider 18 is fixed on the frame middle brace rod 19, and tail wheel turning sleeve 5 is installed in the tail wheel spider 7; Tail wheel lifting cover 27 connects tail wheel turning sleeve back-up ring 6 and is fixed on the tail wheel turning sleeve 5; Left and right sides tail wheel 9 is fixed on the tail wheel lifting and overlaps on the tail-wheel fork plate 11 of 27 bottoms, and left and right sides tail wheel 9 is connected on the tail-wheel fork plate 11.
Two tail wheel steering hardwares have rocking arm 2; rocking arm bearing pin 16; tail wheel turning sleeve 5; rocking arm pipe link 14; steering shaft spider 18; steering shaft 24; steering gear 23; step tread plate 26; manual tommy bar 28; frame middle brace rod 19; tail wheel turning sleeve 5 is connected the two ends of rocking arm pipe link 15 by rocking arm 2 and rocking arm bearing pin 16; side of rocking arm pipe link 15 is that tooth bar is meshed with steering gear 23; steering shaft spider 18 is positioned at the midway location of frame middle brace rod 19; upper end of steering shaft spider 18 connects steering gear 23; there is step tread plate 26 lower end of steering shaft 24, and steering shaft is connected in the steering shaft spider 18; Perhaps connect manual tommy bar 28 in the upper end of steering shaft.
Frame organic frame side lever 12, frame adapter plate 20, frame middle brace rod 19, housiung separator 22, an end of frame side lever 12 is connected with tail wheel spider 7 and tail wheel turning sleeve 5; The other end is connected the two ends of housiung separator 22; The midway location of housiung separator 22 is connected with frame middle brace rod 19; Frame middle brace rod 19 1 ends are connected with steering shaft 24 with steering shaft spider 18, and the other end is connected with walker tractor connecting frame 21, are connected with frame adapter plate 20 on frame side lever 12 and housiung separator 22; Frame is fixed into one by frame support bar 13,14 and frame adapter plate 20 with the walker tractor rotovator.
Rocker arm pin shaft retaining ring 1 is installed on rocking arm bearing pin 16, by rocking arm bearing pin 16 rocking arm 2, rocking arm pipe link 15 are linked together; rocking arm 2 is fixed on the tail wheel turning sleeve 5; tail wheel turning sleeve 5 is side's covers in, and it is installed in the tail wheel spider 7, and tail wheel spider 7 is fixed on the frame side lever 12; frame side lever 12; frame middle brace rod 19, and housiung separator 22, frame adapter plate connect into an integral body.When the frame monomer connected, fusing by frame middle brace rod 19 and walker tractor connecting frame 21 was installed on the walker tractor hanging device 17.When frame is connected with rotovator 10, be connected with rotovator 10 by frame adapter plate 20, by frame support bar 13,14 frame integral body is connected with walker tractor again.
Tail wheel steering shaft spider 18 is fixed on the frame middle brace rod 19, and steering shaft 24 is installed in the steering shaft spider 18, and axial gears 23 is fixed on the steering shaft 24 mutually meshing with rocking arm pipe link 15.
Embodiment 2: connect manual tommy bar in the upper end of steering shaft.Other and embodiment 1 omit together.
Claims (4)
1, the two tail-pulley devices of a kind of walker tractor, it is characterized in that: this device by frame, take advantage of the seat, left and right sides tail-pulley device, two tail wheel steering hardwares are formed, left and right sides tail-pulley device is connected the bottom of the rear end of frame, take advantage of seat to be connected the top of frame rear end, two tail wheel steering hardwares are connected on the tail-pulley device of the left and right sides.
2, the two tail-pulley devices of walker tractor according to claim 1, it is characterized in that: left and right sides tail-pulley device has left and right sides tail wheel (9), tail wheel spider (7), tail wheel turning sleeve (5), tail wheel lifting screw (4), tail wheel lifting cover (27), tail wheel turning sleeve back-up ring (6), tail-wheel fork plate (11), steering shaft spider (18) and tail wheel lifting cover (27), tail wheel lifting screw (4) is connected in the tail wheel spider (7), tail wheel turning sleeve (5) and tail wheel turning sleeve back-up ring (6) order are positioned at the upper end of tail wheel spider (7), tail wheel spider (7) is fixed on the frame side lever, steering shaft spider (18) is fixed on the frame middle brace rod (19), and tail wheel turning sleeve (5) is installed in the tail wheel spider (7); Tail wheel lifting cover (27) connects tail wheel turning sleeve back-up ring (6) and is fixed on the tail wheel turning sleeve (5); Left and right sides tail wheel (9) is fixed on the tail-wheel fork plate (11) of tail wheel lifting cover (27) bottom, and left and right sides tail wheel (9) is connected on the tail-wheel fork plate (11).
3; Double-tail wheel apparatus of hand tractor according to claim 1; It is characterized in that: two tail wheel transfers have rocking arm (2); Rocking arm bearing pin (16); Tail wheel turning sleeve (5); Rocking arm connecting rod (14); Steering spindle spider (18); Steering spindle (24); Tooth sector (23); Step tread plate (26); Manual tommy bar (28); Frame middle brace rod (19); Tail wheel turning sleeve (5) is connected the two ends of rocking arm connecting rod (15) by rocking arm (2) and rocking arm bearing pin (16); One side of rocking arm connecting rod (15) is that tooth bar is meshed with tooth sector (23); Steering spindle spider (18) is positioned at the centre position of frame middle brace rod (19); The upper end of steering spindle spider (18) connects tooth sector (23); There is step tread plate (26) lower end of steering spindle (24), and steering spindle is connected in the steering spindle spider (18); Perhaps connect manual tommy bar (28) in the upper end of steering shaft.
4, the two tail-pulley devices of walker tractor according to claim 1, it is characterized in that: frame organic frame side lever (12), frame adapter plate (20), frame middle brace rod (19), housiung separator (22), an end of frame side lever (12) are connected with tail wheel spider (7) and tail wheel turning sleeve (5); The other end is connected the two ends of housiung separator (22); The midway location of housiung separator (22) is connected with frame middle brace rod (19); Frame middle brace rod (19) one ends are connected with steering shaft (24) with steering shaft spider (18), and the other end is connected with walker tractor connecting frame (21), are connected with frame adapter plate (20) on frame side lever (12) and housiung separator (22); Frame is fixed into one by frame support bar (13), (14) and frame adapter plate (20) and walker tractor rotovator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200701020U CN201179901Y (en) | 2008-04-10 | 2008-04-10 | Double-tail wheel apparatus of hand tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200701020U CN201179901Y (en) | 2008-04-10 | 2008-04-10 | Double-tail wheel apparatus of hand tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201179901Y true CN201179901Y (en) | 2009-01-14 |
Family
ID=40249400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200701020U Expired - Fee Related CN201179901Y (en) | 2008-04-10 | 2008-04-10 | Double-tail wheel apparatus of hand tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201179901Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102282935A (en) * | 2011-06-22 | 2011-12-21 | 孔飞 | Four-wheel hand sowing machine |
| CN108749910A (en) * | 2018-08-27 | 2018-11-06 | 禹州市宇胜机械制造有限公司 | The vehicle-mounted single Gansu Province maize harvesting machine of hand tractor |
| CN109910997A (en) * | 2019-03-21 | 2019-06-21 | 曹景文 | A kind of double tail wheel transfers of hand tractor |
| CN110001802A (en) * | 2019-04-22 | 2019-07-12 | 甘肃华瑞农业股份有限公司 | A kind of energy saving and environment friendly electric tractor |
-
2008
- 2008-04-10 CN CNU2008200701020U patent/CN201179901Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102282935A (en) * | 2011-06-22 | 2011-12-21 | 孔飞 | Four-wheel hand sowing machine |
| CN102282935B (en) * | 2011-06-22 | 2013-05-22 | 孔飞 | Four-wheel hand sowing machine |
| CN108749910A (en) * | 2018-08-27 | 2018-11-06 | 禹州市宇胜机械制造有限公司 | The vehicle-mounted single Gansu Province maize harvesting machine of hand tractor |
| CN109910997A (en) * | 2019-03-21 | 2019-06-21 | 曹景文 | A kind of double tail wheel transfers of hand tractor |
| CN110001802A (en) * | 2019-04-22 | 2019-07-12 | 甘肃华瑞农业股份有限公司 | A kind of energy saving and environment friendly electric tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20120410 |