CN204422123U - Tractor rear-mounted lower link pulls force measuring device - Google Patents
Tractor rear-mounted lower link pulls force measuring device Download PDFInfo
- Publication number
- CN204422123U CN204422123U CN201520007871.6U CN201520007871U CN204422123U CN 204422123 U CN204422123 U CN 204422123U CN 201520007871 U CN201520007871 U CN 201520007871U CN 204422123 U CN204422123 U CN 204422123U
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- China
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- intubate
- lower link
- lifting arm
- tractor
- sensor
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Abstract
The utility model relates to agricultural machinery technological field, is specifically related to a kind of tractor rear-mounted lower link and pulls force measuring device, pulls power to agricultural machinery and implement during for accurately measuring tractor work.The lift arm comprise the lower link be hinged on tractor rear-mounted, being connected to the lifting arm on lower link and being connected on lifting arm, the top of lower link is arranged with upper connecting rod in parallel, lower link comprises front tension bar and back stay, the lower end of lifting arm is connected with Connection Block, the two ends of Connection Block are respectively arranged with front intubate and rear intubate, front tension bar and back stay are inserted into front intubate and rear intubate respectively, lifting arm is connected to the position between front intubate and rear intubate, the end of front tension bar and back stay is provided with sensor mounting hole, and mounting hole is elongated hole.Be provided with sensor in sensor mounting hole, the end winding support of described sensor is inserted on the tube wall of front intubate or rear intubate.This measurement mechanism structure is simple, easy to install, eliminates the impact of farm implements gravity during operation, and sensor accurately can detect tractor and pull power to farm implements.
Description
Technical field
The utility model relates to agricultural machinery technological field, is specifically related to a kind of tractor rear-mounted lower link and pulls force measuring device, pulls power to agricultural machinery and implement during for accurately measuring tractor work.
Background technology
tractor connects ploughing machine by rear hitch and realizes multiple farmland operation, the upper and lower tie rod end in hitch and tillage implements hinged, the middle part of lower link by lifting arm and lift arm hinged, lift arm is connected with control device.The ploughing machine that power is larger, because tractive force is comparatively large, tillage implements quality is large, usually adopts the mode of lower-link sensing, measures tractor and pulls power to tillage implements, then will be delivered to control device by force information, and realize controlling unit.Traditional dynamometry mode, no matter force cell is arranged on the optional position of lower link, measure be tractor pull power and farm implements gravity with joint efforts, and make a concerted effort this as the longitudinal force of lower link approx, but in shallow plowing operation, soil resistance is less, at this moment tillage implements gravity accounts for leading, the component of lower link is very large, and the resultant error of measurement is also very large, even can not measure.Therefore, traditional power control mode can only be used in deep ploughing operation approx, is not suitable for being used in shallow plowing operation.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of structure simply, not by farm implements gravity effect, accurately can measure the tractor rear-mounted lower link that tractor pulls power and pull force measuring device.
For solving the problems of the technologies described above, the technical solution of the utility model is: tractor rear-mounted lower link pulls force measuring device and comprises the lower link be hinged on tractor rear-mounted, the lift arm being connected to the lifting arm on lower link and being connected on lifting arm, the top of described lower link is arranged with upper connecting rod in parallel, described lower link comprises front tension bar and back stay, the lower end of lifting arm is connected with Connection Block, the two ends of described Connection Block are respectively arranged with front intubate and rear intubate, front tension bar and back stay are inserted into front intubate and rear intubate respectively, described lifting arm is connected to the position between front intubate and rear intubate, the end of described front tension bar and back stay is provided with sensor mounting hole, described mounting hole is elongated hole, the length direction of mounting hole is consistent with the axial direction of lifting arm, be provided with sensor in described sensor mounting hole, the end winding support of described sensor is inserted on the tube wall of front intubate or rear intubate.
Described lifting arm is hinged on Connection Block.
The inner chamber of described front intubate and rear intubate is polygon prism shape structure, and the end of described front tension bar and back stay is the multiedge cylinder structure of mating front intubate and rear intubate inner chamber respectively.
After have employed technique scheme, this measurement mechanism structure is simple, easy to install, eliminates the impact of farm implements gravity during operation, and sensor accurately can detect tractor and pull power to farm implements.
Accompanying drawing explanation
Fig. 1 is tractor mounnted frame and farm implements syndeton schematic diagram.
Fig. 2 is the structural representation of the utility model embodiment.
Embodiment
As shown in Figure 1, the Work machines such as ploughing realize towage by the connection of tractor rear hitch, upper connecting rod 4 in hitch, the rear end of lower link 1 and farm implements 10 are hinged, and the middle part of lower link 1 is hinged by lifting arm 2 and lift arm 3, and lift arm 3 is connected with control device.Control device drives lift arm 3 to be elevated, and drives lifting arm 2 vertically movement, and the parallelogram sturcutre consisted of lower link 1 and upper connecting rod 4 drives farm implements 10 to be elevated.
As shown in Figure 2, tractor rear-mounted lower link pulls force measuring device, comprise the lower link 1 be hinged on tractor rear-mounted, the lift arm 3 being connected to the lifting arm 2 on lower link 1 and being connected on lifting arm 2, the top of described lower link 1 is arranged with upper connecting rod 4 in parallel, described lower link 1 comprises front tension bar 11 and back stay 12, the lower end of lifting arm 2 is connected with Connection Block 5, the two ends of described Connection Block 5 are respectively arranged with front intubate and rear intubate, front tension bar 11 and back stay 12 are inserted into front intubate and rear intubate respectively, described lifting arm 2 is connected to the position between front intubate and rear intubate, the end of described front tension bar 11 and back stay 12 is provided with sensor mounting hole 6, 7, described mounting hole 6, 7 is elongated hole, mounting hole 6, the length direction of 7 is consistent with the axial direction of lifting arm 2.Be provided with sensor 8,9 in described sensor mounting hole 6,7, the end winding support of described sensor 8,9 is inserted on the tube wall of front intubate or rear intubate.This sensor 8,9 adopts column hinged force snesor, and in front tension bar 11 or back stay 12 are mobile in intubate, the hole wall pinch sensors 8,9 of mounting hole 6,7, sensor 8,9 can detect the size of this extruding force.Because front tension bar 11 and back stay 12 are subject to the constraint of front intubate and rear intubate tube wall respectively, make it can only move along the axis direction of intubate, the gravity of farm implements is by the pipe walls support of intubate, can not act on sensor, so just can get rid of the impact of gravity, the size of sensor 8,9 detection front tension bars 11 and back stay 12 axially loaded, namely tractor pulls power to farm implements.
Described lifting arm 2 is hinged on Connection Block 5.
The inner chamber of described front intubate and rear intubate is polygon prism shape structure, can be tri-prismoid, also can be four ribs or pentagonal prism body structure.The end of described front tension bar 11 and back stay 12 is the multiedge cylinder structure of mating front intubate and rear intubate inner chamber respectively.Front tension bar 11 or back stay 12 can be avoided like this to rotate impact on sensor 8,9.
Claims (3)
1. tractor rear-mounted lower link pulls force measuring device, comprise the lower link (1) be hinged on tractor rear-mounted, the lift arm (3) being connected to the lifting arm (2) on lower link (1) and being connected on lifting arm (2), the top of described lower link (1) is arranged with upper connecting rod (4) in parallel, it is characterized in that: described lower link (1) comprises front tension bar (11) and back stay (12), the lower end of lifting arm (2) is connected with Connection Block (5), the two ends of described Connection Block (5) are respectively arranged with front intubate and rear intubate, front tension bar (11) and back stay (12) are inserted into front intubate and rear intubate respectively, described lifting arm (2) is connected to the position between front intubate and rear intubate, the end of described front tension bar (11) and back stay (12) is provided with sensor mounting hole (6, 7), described mounting hole (6, 7) be elongated hole, mounting hole (6, 7) length direction is consistent with the axial direction of lifting arm (2), be provided with sensor (8,9) in described sensor mounting hole (6,7), the end winding support of described sensor (8,9) is inserted on the tube wall of front intubate or rear intubate.
2. tractor rear-mounted lower link according to claim 1 pulls force measuring device, it is characterized in that: described lifting arm (2) is hinged on Connection Block (5).
3. tractor rear-mounted lower link according to claim 1 pulls force measuring device, it is characterized in that: the inner chamber of described front intubate and rear intubate is polygon prism shape structure, and the end of described front tension bar (11) and back stay (12) is the multiedge cylinder structure of mating front intubate and rear intubate inner chamber respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007871.6U CN204422123U (en) | 2015-01-07 | 2015-01-07 | Tractor rear-mounted lower link pulls force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007871.6U CN204422123U (en) | 2015-01-07 | 2015-01-07 | Tractor rear-mounted lower link pulls force measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204422123U true CN204422123U (en) | 2015-06-24 |
Family
ID=53472480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520007871.6U Expired - Fee Related CN204422123U (en) | 2015-01-07 | 2015-01-07 | Tractor rear-mounted lower link pulls force measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204422123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356368A (en) * | 2017-07-10 | 2017-11-17 | 蚌埠日月仪器研究所有限公司 | Axial pin type pull pressure sensor calibration tool |
| CN107421676A (en) * | 2017-07-20 | 2017-12-01 | 沈阳农业大学 | A kind of suspension type space dynamometric system |
-
2015
- 2015-01-07 CN CN201520007871.6U patent/CN204422123U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356368A (en) * | 2017-07-10 | 2017-11-17 | 蚌埠日月仪器研究所有限公司 | Axial pin type pull pressure sensor calibration tool |
| CN107421676A (en) * | 2017-07-20 | 2017-12-01 | 沈阳农业大学 | A kind of suspension type space dynamometric system |
| CN107421676B (en) * | 2017-07-20 | 2024-03-12 | 沈阳农业大学 | Suspension type space force measuring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20160107 |