CN205284075U - Farm tractor's tow -bar - Google Patents
Farm tractor's tow -bar Download PDFInfo
- Publication number
- CN205284075U CN205284075U CN201521123943.XU CN201521123943U CN205284075U CN 205284075 U CN205284075 U CN 205284075U CN 201521123943 U CN201521123943 U CN 201521123943U CN 205284075 U CN205284075 U CN 205284075U
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- pressing plate
- tow
- bar
- farm tractor
- support
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Abstract
The utility model discloses a farm tractor's tow -bar, including pulling the mount pad, integrated into one piece has spherical form couple post on pulling the mount pad, fixed mounting has left clamp plate support and right clamp plate support on pulling the mount pad, it has a clamp plate to articulate through the rotation axis between left side clamp plate support and the right clamp plate support, the one end of clamp plate is equipped with the jack that is used for supplying resilient pin to pass, all be equipped with the bolt locating hole on left side clamp plate support and the right clamp plate support, a resilient pin cooperatees with bolt locating hole and jack for gu fixed pressing plate, resilient pin through the bolt support mounting on pulling the mount pad. The utility model discloses tow -bar simple structure, reasonable, and can satisfy normal dilatory towage.
Description
Technical field
This utility model relates to hooking device, is specifically related to the tow-bar of a kind of farm tractor.
Background technology
Along with the development of technology cultivated by agricultural machinery, the agricultural machinery and implement kind on market gets more and more, and usual agricultural machinery and implement need tractor to drive, and drives agricultural machinery and implement work by tractor, to improve the work efficiency of agricultural machinery and implement, adopts tow-bar to be connected between agricultural machinery and implement with tractor. Tow-bar supporting on tractor need to ensure to draw towage normally, but existing tow-bar connects insecure, it is impossible to improves reliable hauling ability.
Summary of the invention
The purpose of this utility model is for overcoming the deficiencies in the prior art, it is provided that the tow-bar of a kind of farm tractor, and this tow-bar is simple and reasonable for structure, and can meet normal dilatory towage.
The purpose of this utility model can be by techniques below scheme:
A kind of tow-bar of farm tractor, it is characterized in that: include pulling mounting seat, described pulling links up with post integrally formed with ball shape in mounting seat, described pulling is installed with left pressing plate support and right plate bracket in mounting seat, it is hinged with a pressing plate by rotating shaft between described left pressing plate support and right plate bracket, one end of described pressing plate is provided with for the jack for resilient pin traverse, described left pressing plate support and right plate bracket are equipped with fastening hole, one resilient pin matches with fastening hole and jack, for fixation clip, described resilient pin is arranged on by latch support and pulls in mounting seat. described mounting seat, ball shape hook post, left pressing plate support and right plate bracket and the latch support of pulling all adopts cast steel part, is then respectively adopted Digit Control Machine Tool and processes, and this assembling is firm in structure reliably.
Described pressing plate is provided with an adjusting bolt for pushing against.
The lower surface of described pressing plate is cancave cambered surface.
Described pressing plate is provided with bending section, and the bending part of pressing plate arranges hinge hole, and pressing plate is matched with rotating shaft by hinge hole and is hinged on left pressing plate support and right plate bracket, and the bending section of pressing plate arranges jack.
The bending radian of described pressing plate is more than 90 ��.
Being equipped with bending limiting section on described left pressing plate support and right plate bracket, the bending limiting section of left pressing plate support and right plate bracket is oppositely arranged, and bending limiting section is positioned at the both sides of ball shape hook post; Angle between described bending limiting section and ball shape hook mast axis is not more than 60 ��.
The diameter of described ball shape hook post is not less than 80mm.
Described mounting seat of pulling is provided with the installing hole for fixing tow-bar.
Described resilient pin is provided with handle.
Described resilient pin is made up of return spring and bolt rod, and described return spring is between right plate bracket or left pressing plate support and latch support.
The beneficial effects of the utility model: integrated ball shape hook post is constituted this utility model with pulling mounting seat by pulling mounting seat, described ball shape hook post matches with the hook and slot of hook, increase the contact area between ball shape hook post and hook hook and slot, make hook connect more firm. Pull and mounting seat is installed with left pressing plate support and right plate bracket, between left pressing plate support and right plate bracket, be hinged with a pressing plate by rotating shaft, resilient pin traverse fastening hole and jack, a fixation clip. When needs coupling hook, pull resilient pin that resilient pin is pulled out jack, now pressing plate is rotated up certain angle, then hook sleeve is linked up with on post in ball shape, unclamp resilient pin, automatically reset by resilient pin, pressing plate is fixed and clamped on hook, tow-bar is automatically locked, it is ensured that dilatory towage normally. Simple in construction of the present utility model, with low cost, safety convenient to operation, greatly reduce production cost and investment, it is simple to promote, significantly reduce financial burden abundant.
Described pressing plate is provided with an adjusting bolt for pushing against. Described adjusting bolt is for adjusting the distance gap between pressing plate and hook, it is prevented that hook bob.
The lower surface of described pressing plate is cancave cambered surface. For increasing the area that contacts, increase the contact area between pressing plate and hook, make hook connect more firm.
Described pressing plate is provided with bending section, and the bending part of pressing plate arranges hinge hole, and pressing plate is matched with rotating shaft by hinge hole and is hinged on left pressing plate support and right plate bracket, and the bending section of pressing plate arranges jack. Shorten left pressing plate support and the area of right plate bracket, saved cost but also decreased left pressing plate support and right plate bracket takes up room.
The bending radian of described pressing plate is more than 90 ��. Be easy to the adjustment of pressing plate, make the extruding point of hinge tripping plate closer to, improve the intensity of pressing plate.
Being equipped with bending limiting section on described left pressing plate support and right plate bracket, the bending limiting section of left pressing plate support and right plate bracket is oppositely arranged, and bending limiting section is positioned at the both sides of ball shape hook post; Angle between described bending limiting section and ball shape hook mast axis is not more than 60 ��. Preventing trailer and trailer when turning, the angle between hook and the ball shape hook axis of a cylinder heart, more than 60, causes that trailer and trailer are likely to become 90 angles, causes trailer to turn.
The diameter of described ball shape hook post is not less than 80mm. Improve the intensity of ball shape hook post, it is ensured that the intensity between ball shape hook post and hook, improve their degree of being connected firmly.
Described mounting seat of pulling is provided with the installing hole for fixing tow-bar, it is simple to pulls mounting seat and installs fixing.
Described resilient pin is provided with handle. It is easy to operating flexibility latch.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model open mode;
Fig. 2 is the structural representation of this utility model locking state;
Fig. 3 is this utility model front view;
Fig. 4 is this utility model top view;
Fig. 5 is the sectional view of C-C in Fig. 4;
Fig. 6 is this utility model left view;
Fig. 7 is this utility model right view;
Fig. 8 is the top view that this utility model uses state;
Fig. 9 is the sectional view of A-A in Fig. 8.
Embodiment
Below in conjunction with accompanying drawing, this utility model is further illustrated.
Referring to shown in Fig. 1 to Fig. 9, a kind of tow-bar of farm tractor, including pulling mounting seat 1, described in pull in mounting seat 1 integrally formed with ball shape link up with post 2, ball shape hook post 2 is cast steel part with pulling mounting seat 1, and the diameter of described ball shape hook post 2 is not less than 80mm. Described ball shape hook post 2 is for being connected with the towing rod device being connected on trailer or hook. Described ball shape hook post 2 upper surface is provided with cutting plane. In the present embodiment, the diameter of ball shape hook post 2 is 80mm, link up with post upper surface by Digit Control Machine Tool in ball shape and process a cutting plane, described cutting plane is rounded, the diameter of cutting plane is 16mm, cutting plane is used to beat the plane carving 80mm printed words, informs the user that with this diameter of this ball is 80mm. Described pulling is installed with left pressing plate support 3 and right plate bracket 4 in mounting seat 1, the longitudinal section of left pressing plate support 3 and right plate bracket 4 is all L-shaped, left pressing plate support 3 and right plate bracket 4 are pulled in mounting seat 1 each through being bolted to, readily accessible, and adjust the position of left and right plate bracket. The side of left pressing plate support 3 and right plate bracket 4 is equipped with horizontal-extending journal stirrup 5, the journal stirrup 5 of described left pressing plate support 3 and right plate bracket 4 is equipped with fastening hole 6, it is provided with hinge hole between described left pressing plate support 3 and right plate bracket 4, is processed fastening hole 6 and the hinge hole of left pressing plate support 3 and right plate bracket 4 by Numerically controlled machine; The bore a hole hinge hole of left pressing plate support 3 and right plate bracket 4 of rotating shaft 7 is hinged with a pressing plate 8, and one end of described pressing plate 8 is provided with for the jack 9 for latch traverse, and described pressing plate 8 is provided with bending section obliquely, and the bending radian of described pressing plate 8 is more than 90 ��. The bending part of pressing plate 8 arranges hinge hole, pressing plate is matched with rotating shaft 7 by hinge hole and is hinged on left pressing plate support 3 and right plate bracket 4, arranging jack 9 on the bending section of pressing plate 8, the fastening hole 6 of left pressing plate support 3 and right plate bracket 4 and the jack 9 of pressing plate 8 are positioned on same axis. One resilient pin 10 matches with fastening hole 6 and jack 9, and for fixation clip 8, pressing plate 8 compresses hook. Described resilient pin 10 is arranged on by bolt by latch support 11 pulls in mounting seat 1, and latch support 11 is positioned at left pressing plate support 3 or the side of right plate bracket 4. Described resilient pin 10 is made up of return spring and bolt rod, and bolt rod is through return spring, and described return spring is between right plate bracket or left pressing plate support and latch support. In the present embodiment: latch support 11 is positioned on left pressing plate support 3, it is arranged on by bolt and pulls in mounting seat 1. Being provided with spring retainer boss 17 on left pressing plate support 1, return spring is between left pressing plate support 3 and latch support 11. The side of described resilient pin 10 is provided with handle 12, it is simple to pull resilient pin.
Described pressing plate 8 is provided with one for the adjusting bolt 13 pushed against and locking nut, and adjusting bolt 13 and locking nut match, and adjusts the distance gap between pressing plate 8 and hook.
The lower surface of described pressing plate 8 is cancave cambered surface, and described cancave cambered surface adds and the contact area in the outside linked up with, and makes tighter by hook look of pressing plate.
Further: described left pressing plate support 3 and right plate bracket 4 are equipped with bending limiting section 18, the bending limiting section 18 of left pressing plate support 3 and right plate bracket 4 is oppositely arranged, the both sides of post 2 are linked up with in ball shape in the spacing position 18 of bending, and the bending limiting section 18 of left pressing plate support 3 and the bending limiting section 18 of right plate bracket 4 are in splayed structure;Each bending limiting section 18 and ball shape are linked up with the angle between 4 mast axis and are not more than 60 ��. In the present embodiment, the angle between bending limiting section and ball shape hook mast axis adopts 60 ��.
Pull mounting seat 1 and be provided with two installing holes 14 for fixing tow-bar and two oval adjustment holes 15, matched with installing hole 14 and oval adjustment hole 15 respectively by bolt, tow-bar is fixed on the vehicle frame of drag-pull cart or trailer or agricultural machinery and implement. Pull mounting seat can also adopt on the vehicle frame being weldingly fixed on drag-pull cart, or on trailer or agricultural machinery and implement. Pull the fabrication hole 16 being additionally provided with in mounting seat for alleviating weight.
Using method of the present utility model: hook is set on trailer, tow-bar is fixedly mounted on trailer, handle on resilient pin is pulled out, moves to after resilient pin leaves pressing plate, pressing plate is flipped an angle, the hook being connected on trailer is hung over above the ball shape hook post pulling in mounting seat, being resetted by pressing plate, unclamp handle, bolt rod can be resetted by return spring automatically, bolt rod, through the locking arm of pressing plate, makes tow-bar be automatically locked. When trailer is no time, according to above-mentioned manipulation process, pull handle, untie pressing plate, it is flipped up pressing plate, then takes off the hook on ball shape hook post, make hook separate with tow-bar, the hook being arranged on trailer just can be taken out tow-bar by this manipulation, makes trailer separate with trailer. This tow-bar not only limits the use of farm cart and uses, but also may be used for other devices needing hook to connect.
Claims (10)
1. the tow-bar of a farm tractor, it is characterized in that: include pulling mounting seat, described pulling links up with post integrally formed with ball shape in mounting seat, described pulling is installed with left pressing plate support and right plate bracket in mounting seat, it is hinged with a pressing plate by rotating shaft between described left pressing plate support and right plate bracket, one end of described pressing plate is provided with for the jack for resilient pin traverse, described left pressing plate support and right plate bracket are equipped with fastening hole, one resilient pin matches with fastening hole and jack, for fixation clip, described resilient pin is arranged on by latch support and pulls in mounting seat.
2. the tow-bar of farm tractor according to claim 1, it is characterised in that: described pressing plate is provided with an adjusting bolt for pushing against.
3. the tow-bar of farm tractor according to claim 1, it is characterised in that: the lower surface of described pressing plate is cancave cambered surface.
4. the tow-bar of the farm tractor according to claim 1 or 2 or 3, it is characterized in that: described pressing plate is provided with bending section, the bending part of pressing plate arranges hinge hole, pressing plate is matched with rotating shaft by hinge hole and is hinged on left pressing plate support and right plate bracket, and the bending section of pressing plate arranges jack.
5. the tow-bar of farm tractor according to claim 4, it is characterised in that: the bending radian of described pressing plate is more than 90 ��.
6. the tow-bar of farm tractor according to claim 1, it is characterized in that: described left pressing plate support and right plate bracket are equipped with bending limiting section, the bending limiting section of left pressing plate support and right plate bracket is oppositely arranged, and bending limiting section is positioned at the both sides of ball shape hook post; Angle between described bending limiting section and ball shape hook mast axis is not more than 60 ��.
7. the tow-bar of the farm tractor according to claim 1 or 6, it is characterised in that: the diameter of described ball shape hook post is not less than 80mm.
8. the tow-bar of farm tractor according to claim 1, it is characterised in that: described in pull mounting seat and be provided with the installing hole for fixing tow-bar.
9. the tow-bar of farm tractor according to claim 1, it is characterised in that: described resilient pin is provided with handle.
10. the tow-bar of the farm tractor according to claim 1 or 9, it is characterised in that: described resilient pin is made up of return spring and bolt rod, and described return spring is between right plate bracket or left pressing plate support and latch support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521123943.XU CN205284075U (en) | 2015-12-31 | 2015-12-31 | Farm tractor's tow -bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521123943.XU CN205284075U (en) | 2015-12-31 | 2015-12-31 | Farm tractor's tow -bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205284075U true CN205284075U (en) | 2016-06-08 |
Family
ID=56469585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521123943.XU Active CN205284075U (en) | 2015-12-31 | 2015-12-31 | Farm tractor's tow -bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205284075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105993254A (en) * | 2016-06-30 | 2016-10-12 | 樱田农机科技（泰州）有限公司 | Quick connecting mechanism for farmland sower and walking machine |
| CN112655301A (en) * | 2020-12-18 | 2021-04-16 | 东北农业大学 | Quick docking mechanism for tractor and agricultural implement |
-
2015
- 2015-12-31 CN CN201521123943.XU patent/CN205284075U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105993254A (en) * | 2016-06-30 | 2016-10-12 | 樱田农机科技（泰州）有限公司 | Quick connecting mechanism for farmland sower and walking machine |
| CN105993254B (en) * | 2016-06-30 | 2018-07-13 | 樱田农机科技（泰州）有限公司 | Farmland seeder and walking machine quick-connect machanism |
| CN112655301A (en) * | 2020-12-18 | 2021-04-16 | 东北农业大学 | Quick docking mechanism for tractor and agricultural implement |
| CN112655301B (en) * | 2020-12-18 | 2022-08-12 | 东北农业大学 | Quick docking mechanism for tractor and agricultural implement |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |