CN117309219A - Tractor saddle six-direction force testing device and calculation method - Google Patents
Tractor saddle six-direction force testing device and calculation method Download PDFInfo
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- CN117309219A CN117309219A CN202311266361.6A CN202311266361A CN117309219A CN 117309219 A CN117309219 A CN 117309219A CN 202311266361 A CN202311266361 A CN 202311266361A CN 117309219 A CN117309219 A CN 117309219A
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- 238000004364 calculation method Methods 0.000 title claims abstract description 13
- 238000012360 testing method Methods 0.000 title abstract description 8
- 238000003825 pressing Methods 0.000 claims description 21
- 238000012356 Product development Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
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- 238000004080 punching Methods 0.000 description 2
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/16—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
- G01L5/161—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in ohmic resistance
- G01L5/1627—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using variations in ohmic resistance of strain gauges
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Abstract
The invention belongs to the technical field of vehicle testing, and particularly provides a six-directional force testing device and a calculation method for a tractor saddle, wherein the device comprises a bottom plate and a traction pin adapter, the bottom plate is fixed on a tractor frame, and a trailer traction pin is connected through the traction pin adapter to realize the connection of a tractor and a trailer; the three-way force between the traction pin adapter and the bottom plate is obtained through four three-way force sensors distributed and arranged between the bottom plate and the traction pin adapter, a saddle-load six-way force resolving matrix is established by combining the relative position relation of the three-way force sensors and the traction pin adapter, and then real-time dynamic three-way force and three-way moment transmitted by a saddle are obtained, accurate load input is provided for vehicle product development, and the dynamic performance, economical efficiency, smoothness and structural fatigue performance of a vehicle are effectively improved; the positional relationship of the four three-way force sensors relative to the center of the kingpin can be changed along with structural changes, thereby increasing the convenience and practicality of sensor arrangement.
Description
Technical Field
The invention relates to the technical field of vehicle testing, in particular to a traction vehicle saddle six-direction force testing device and a calculation method.
Background
When the tractor and the trailer are connected, the traction pin of the trailer is connected through the traction pin adapter, so that the tractor and the trailer are connected, in the actual running process, the tractor and the trailer transmit X/Y/Z three-way loads through the saddle, and the loads are severe when the tractor and the trailer are braked, started, steered and pass through a hollow road surface, and have great influence on the strength of the saddle and the connecting piece.
The saddle is a key component for realizing the traction function of the vehicle by the semi-trailer traction vehicle, and is installed on the vehicle frame through bolt connection, so that the transmission of load between the semi-trailer traction vehicle and the trailer is realized. The load transferred at the saddle is directly related to the dynamic property, economy, smoothness and structural fatigue property of the vehicle, so that accurate measurement of the three-way force and the three-way moment of the saddle is very critical to the development of the vehicle performance.
At present, in the vehicle load test process, the detection device for measuring the stress of the traction pin part of the semitrailer can only measure the Z-direction force at the saddle, the sensitivity is not high, hysteresis exists in the process, and the measurement accuracy is reduced.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a six-way force testing device for a tractor saddle, which comprises a force measuring component, wherein the force measuring component is arranged on a tractor frame through a bottom plate and is connected with a trailer traction pin through a traction pin adapter, so that the connection between the tractor and the trailer is realized, three-way forces at different positions between the traction pin adapter and the bottom plate are obtained through four three-way force sensors distributed between the bottom plate and the traction pin adapter, and the three-way force and the three-way moment transmitted by the saddle are obtained through calculation by combining the relative position relation between the three-way force sensors and the centers of the traction pin adapter, so that accurate load input is provided for vehicle product development, and the dynamic property, the economical property, the smoothness and the structural fatigue property of a vehicle are effectively improved.
The technical scheme of the invention provides a six-way force measuring device for a tractor saddle, which comprises a bottom plate and a traction pin adapter; the two ends of the bottom plate are respectively connected with the traction pin adapter through the bearing beams;
and a three-way force sensor is arranged at the position between the two ends of each bearing beam and the bottom plate and used for acquiring forces at different positions between the traction pin adapter and the bottom plate.
As the optimization of the technical scheme of the invention, the bottom plate is provided with the sensor force measuring hole, the two ends of the bearing beam are respectively provided with the sensor mounting holes, the sensor force measuring hole and the sensor mounting holes are concentric with each other during mounting, the connecting bolts sequentially penetrate through the sensor mounting holes, the three-way force sensor and the pretension nuts, and the pretension nuts are arranged in the sensor mounting holes after the mounting is completed.
As a preferred aspect of the present invention, the three-way force sensor includes a mandrel and a connecting frame member; the mandrel is connected with the connecting frame piece through the sensitive beam;
strain gauges are respectively arranged on the sensitive beams.
As the preferable choice of the technical scheme of the invention, the bottom plate is provided with a fixing hole for fixing the three-way force sensor on the bottom plate;
and a through hole is formed in the middle of the mandrel, and a connecting bolt sequentially penetrates through the sensor mounting hole and the through hole of the three-way force sensor mandrel during mounting and is connected with the pre-tightening nut.
Preferably, the carrier beam is connected to the towing pin adapter by means of rubber bearings.
As a preferable mode of the technical scheme of the invention, the rubber bearing comprises a bearing pressing plate, a bearing bracket and a bearing bushing;
the bearing bush is sleeved on the bearing bracket;
the bearing beam is provided with a mounting groove, a bearing bracket mounting hole is formed in the mounting groove, the bearing pressing plate is arranged in the mounting groove, and the bearing bracket is arranged at the upper end of the bearing pressing plate and is connected with the bearing beam through the bearing bracket mounting hole;
the two ends of the bearing pressing plate are provided with connecting and fixing holes, and the bearing pressing plate is connected with the traction pin adapter through the connecting and fixing holes.
As the optimization of the technical scheme of the invention, the number of the three-way force sensors is four, and the four three-way force sensors are realized by arranging four sensitive beams.
As the optimization of the technical scheme of the invention, four three-way force sensors acquire forces in three directions of X/Y/Z of the position where the four three-way force sensors are positioned by using a Wheatstone bridge.
As the optimization of the technical scheme of the invention, a unidirectional strain gage is respectively arranged at the left side and the right side of two sensitive beams in the X direction, and four strain gages are combined to form a Wheatstone full bridge for measuring X-direction force;
the left side and the right side of the Y-direction two sensitive beams are respectively provided with a unidirectional strain gage, and the total of four strain gages form a Wheatstone full bridge for measuring Y-direction force;
the four sensitive beam surfaces are respectively provided with a unidirectional strain gage, and eight strain gages are combined to form a Wheatstone full bridge for measuring Z-direction force.
The force measuring component comprises a bottom plate, four three-way force sensors, four connecting bolts, four pre-tightening nuts, two bearing beams, two rubber bearings, two rubber bearing brackets, two rubber bearing pressing plates, a traction pin adapter and other fixing bolts; the base plate is obtained by punching and cutting a whole steel plate, bolt holes are formed in two sides of the base plate and are used for being connected with the frame, and sensor force measuring holes are respectively formed in four corners of the base plate; the two ends of the bearing beam are respectively provided with a sensor mounting hole, and the middle of the bearing beam is provided with a rubber bearing bracket mounting hole and a bolt hole; the bottom plate is connected with the three-way force sensor through bolts; the three-way force sensor is connected with the bearing beam through a bolt; the bearing beam and the traction pin adapter are connected through a rubber bearing; the rubber bearing consists of a rubber bearing bracket, a rubber gasket and a rubber bearing pressing plate; the rubber bearing is connected with the traction pin adapter and the rubber pressing plate through bolts, and the rubber bearing is connected with the bearing beam through a rubber bearing bracket; the four three-way force sensors can respectively acquire X/Y/Z three-way force of the position; the three-way force sensors are distributed on the bottom plate in an array. When the traction pin adapter receives the force and moment from the traction pin, the force and moment are transmitted to the four three-way force sensors through the rubber bearings and the bearing beams, and the force and moment transmitted by the traction pin are obtained through decoupling calculation of the forces on the four sensors.
The technical scheme of the invention also provides a force measuring calculation method based on the device of the first aspect, which comprises the following steps:
respectively acquiring X/Y/Z directional forces acquired by the three-way force sensors and calculating X/Y/Z directional forces at the center of the saddle based on the acquired forces;
respectively acquiring the X/Y-direction distance from the center of each three-way force sensor to the center of the base plate;
moment around X/Y/Z direction at the saddle center is calculated based on the calculated X/Y/Z direction force at the saddle center and the acquired distance, respectively. The bottom plate can be identified as four independent subareas, and the four three-way force sensors can be reasonably adjusted along with structural changes in the respective subareas and the relative position of the center of the saddle.
From the above technical scheme, the invention has the following advantages: acquiring three-directional forces at different positions between the traction pin adapter and the bottom plate through four three-directional force sensors distributed and arranged between the bottom plate and the traction pin adapter, and establishing a saddle-load six-directional force resolving matrix by combining the relative position relation of the three-directional force sensors and the traction pin adapter, so as to obtain real-time dynamic three-directional force and three-directional moment transmitted by a saddle, provide accurate load input for vehicle product development, and effectively improve the dynamic performance, economy, smoothness and structural fatigue performance of a vehicle; the positional relationship of the four three-way force sensors relative to the center of the kingpin can be changed along with structural changes, thereby increasing the convenience and practicality of sensor arrangement.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
It can be seen that the present invention has outstanding substantial features and significant advances over the prior art, as well as its practical advantages.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a perspective view provided by an embodiment of the present invention.
Fig. 2 is an exploded view provided by an embodiment of the present invention.
FIG. 3 is a diagram of the structure and strain gauge arrangement of the three-way force sensor of the present invention.
FIG. 4 is a diagram of a three-way force sensor X-direction force Wheatstone bridge of the present invention.
FIG. 5 is a diagram of a Y-force Wheatstone bridge for a three-way force sensor of the present invention.
FIG. 6 is a diagram of a three-way force sensor Z-force Wheatstone bridge of the present invention.
FIG. 7 is a graph of the relative position of the four three-way force sensors of the present invention with respect to the center of the saddle.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a traction saddle six-way force measuring device comprising a base plate 1 and a traction pin adapter 7; two ends of the bottom plate 1 are respectively connected with a traction pin adapter 7 through a bearing beam 4;
a three-way force sensor 3 is provided at a position between both ends of each load beam 4 and the base plate 1 for acquiring forces at different positions between the kingpin adaptor 7 and the base plate 1.
In some embodiments, a sensor force measuring hole is formed in the bottom plate, sensor mounting holes are formed in two ends of the bearing beam respectively, the sensor force measuring hole and the sensor mounting holes are concentric with each other during mounting, a connecting bolt sequentially penetrates through the sensor mounting holes, the three-way force sensor and the pre-tightening nut, and the pre-tightening nut is arranged in the sensor mounting holes after mounting is completed.
The load beam is connected with the traction pin adapter through a rubber bearing. When the traction pin adapter 7 receives the force and moment from the traction pin, the force and moment are transmitted to the three-way force sensor through the rubber bearing and the bearing beam, and the force and moment transmitted by the traction pin are obtained through decoupling calculation of the force on the three-way force sensor.
As shown in fig. 3, the three-way force sensor includes a spindle 31 and a connection frame 34; the mandrel 31 is connected with the connecting frame piece 34 through a sensitive beam; strain gauges are respectively arranged on the sensitive beams.
The corresponding bottom plate is provided with a fixing hole for fixing the three-way force sensor on the bottom plate;
the middle of the mandrel is provided with a through hole, and the connecting bolt 2 sequentially passes through the sensor mounting hole and the through hole of the three-way force sensor mandrel during mounting and is connected with the pre-tightening nut 5.
The load beam 4 is connected to the kingpin adaptor 7 by means of rubber bearings 6. When the traction pin adapter 7 receives the force and moment from the traction pin, the force and moment are transmitted to the three-way force sensor through the rubber bearing and the bearing beam, and the force and moment transmitted by the traction pin are obtained through decoupling calculation of the force on the three-way force sensor.
Here, as shown in fig. 2, the rubber bearing 6 includes a bearing platen 61, a bearing bracket 62, and a bearing bush 63;
the bearing bush 63 is sleeved on the bearing bracket 62;
the bearing beam 4 is provided with a mounting groove, a bearing bracket mounting hole is formed in the mounting groove, a bearing pressing plate 61 is arranged in the mounting groove, and a bearing bracket 62 is arranged at the upper end of the bearing pressing plate 61 and is connected with the bearing beam 4 through the bearing bracket mounting hole;
the bearing pressing plate 61 is provided at both ends with connection fixing holes, and is connected with the traction pin adapter 7 through the connection fixing holes.
In some embodiments, the number of three-way force sensors is four, and the four three-way force sensors are realized by arranging four sensitive beams.
The four three-way force sensors acquire forces in three directions of X/Y/Z of the position where the four three-way force sensors are located by using a Wheatstone bridge.
The left side and the right side of the X-direction two sensitive beams are respectively provided with a unidirectional strain gage, and the total of four strain gages form a Wheatstone full bridge for measuring X-direction force;
the left side and the right side of the Y-direction two sensitive beams are respectively provided with a unidirectional strain gage, and the total of four strain gages form a Wheatstone full bridge for measuring Y-direction force;
the four sensitive beam surfaces are respectively provided with a unidirectional strain gage, and eight strain gages are combined to form a Wheatstone full bridge for measuring Z-direction force.
The force measuring component comprises a bottom plate, four three-way force sensors, four connecting bolts, four pre-tightening nuts, two bearing beams, two rubber bearings, two rubber bearing brackets, two rubber bearing pressing plates, a traction pin adapter and other fixing bolts; the base plate is obtained by punching and cutting a whole steel plate, bolt holes are formed in two sides of the base plate and are used for being connected with the frame, and sensor force measuring holes are respectively formed in four corners of the base plate; the two ends of the bearing beam are respectively provided with a sensor mounting hole, and the middle of the bearing beam is provided with a rubber bearing bracket mounting hole and a bolt hole; the bottom plate is connected with the three-way force sensor through bolts; the three-way force sensor is connected with the bearing beam through a bolt; the bearing beam and the traction pin adapter are connected through a rubber bearing; the rubber bearing consists of a rubber bearing bracket, a rubber gasket and a rubber bearing pressing plate; the rubber bearing is connected with the traction pin adapter and the rubber pressing plate through bolts, and the rubber bearing is connected with the bearing beam through a rubber bearing bracket; the four three-way force sensors can respectively acquire X/Y/Z three-way force of the position; the three-way force sensors are distributed on the bottom plate in an array.
The technical scheme of the invention also provides a force measurement calculation method based on the traction vehicle saddle six-way force measurement device, which comprises a bottom plate 1, four connecting bolts 2, four three-way force sensors 3, two bearing beams 4, four pre-tightening nuts 5, two rubber bearing pressing plates 61, two rubber bearing brackets 62, two rubber linings 63 and a traction pin adapter 7. Four groups of sensor mounting holes are arranged on the bottom plate, the bottom plate 1 and the three-way force sensor 3 are connected through bolts, the three-way force sensor 3 and the bearing beam 4 are connected through connecting bolts 2, the bearing beam 4 is connected through a rubber bearing 6 and a traction pin adapter 7, the rubber bearing 6 comprises a bearing pressing plate 61, a bearing support 62 and a bearing bush 63, the bearing support 62 is connected with the bearing beam 4 through bolts, the bearing pressing plate 61 and the traction pin adapter 7 are connected through bolts, when the traction pin adapter 7 receives force and moment from a traction pin, the force and moment are transmitted to the four three-way force sensors 3 through the rubber bearing 6 and the bearing beam 3, and the force and moment transmitted by the traction pin are obtained through decoupling calculation of the force on the four sensors.
The three-way force sensor 3 comprises a connecting frame piece 34, a sensitive beam 32/33/35/36 and a mandrel 31; the four surfaces of the sensitive beam 32/33/35/36 are symmetrically provided with unidirectional strain gages; the left and right surfaces of the sensitive beams 33, 36 are symmetrically provided with strain gauges X1/X2, X3/X4 respectively, and are connected in sequence of X1-X3-X2-X4 to form a Wheatstone full bridge, as shown in FIG. 4, and X-direction force is measured; strain gauges Y1/Y2 and Y3/Y4 are symmetrically arranged on the front surface and the rear surface of the sensitive beams 32 and 35 respectively, and are connected in sequence according to Y1-Y3-Y2-Y4 to form a Wheatstone full bridge, as shown in FIG. 5, and Y-direction force is measured; the upper and lower surfaces of the sensitive beams 32, 33, 35 and 36 are symmetrically provided with strain gauges Z3/Z4, Z5/Z6, Z7/Z8 and Z1/Z2 respectively, and the strain gauges are connected in sequence according to Z1-Z5-Z2-Z6-Z3-Z7-Z4-Z8 to form a Wheatstone full bridge, as shown in figure 6, and Z-direction force is measured; the method comprises the following steps:
respectively acquiring X/Y/Z directional forces acquired by the three-way force sensors and calculating X/Y/Z directional forces at the center of the saddle based on the acquired forces;
respectively acquiring the X/Y-direction distance from the center of each three-way force sensor to the center of the base plate;
moment around X/Y/Z direction at the saddle center is calculated based on the calculated X/Y/Z direction force at the saddle center and the acquired distance, respectively. The bottom plate can be identified as four independent subareas, and the four three-way force sensors can be reasonably adjusted along with structural changes in the respective subareas and the relative position of the center of the saddle.
With reference to fig. 7, the following calculation formula is obtained from the positional relationship between the sensor and the center of the base plate:
F x ＝F x1 +F x2 +F x3 +F x4
F y ＝F y1 +F y2 +F y3 +F y4
F z ＝F z1 +F z2 +F z3 +F z4
M x ＝F z1 *W1-F z2 *W2-F z3 *W3+F z4 *W4
M y ＝F z1 *L1+F z2 *L2-F z3 *L3-F z4 *L4
M z ＝-F x1 *W1+F x2 *W2+F x3 *W3-F x4 *W4-F y1 *L1-F y2 *L2+F y3 *L3+F y4 *L4
wherein:
F x x-direction force at saddle center, F x1 、F x2 、F x3 、F x4 X-direction forces of 4 force sensors respectively;
F y y-direction force at saddle center, F y1 、F y2 、F y3 、F y4 Y-direction forces of 4 force sensors respectively;
F z x-direction force at saddle center, F z1 、F z2 、F z3 、F z4 Z-directional forces of 4 force sensors respectively;
M x -moment about X at the centre of saddle;
M y -moment around Y at the centre of saddle;
M z -moment around Z at the centre of the saddle;
l1, the X-direction distance from the center of the three-way force sensor 1 to the center of the base plate;
W1-Y-direction distance from center of three-way force sensor 1 to center of bottom plate;
l2—the X-direction distance from the center of the three-way force sensor 2 to the center of the floor;
W2-Y-direction distance from the center of the three-way force sensor 2 to the center of the base plate;
l3—the X-direction distance from the center of the three-way force sensor 3 to the center of the floor;
W3-Y-direction distance from the center of the three-way force sensor 3 to the center of the base plate;
l4—the X-direction distance from the center of the three-way force sensor 4 to the center of the base plate;
W4-Y-direction distance from the center of the three-way force sensor 4 to the center of the base plate.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A six-way force measuring device for a tractor saddle, which is characterized by comprising a bottom plate and a traction pin adapter; the two ends of the bottom plate are respectively connected with the traction pin adapter through the bearing beams;
and a three-way force sensor is arranged at the position between the two ends of each bearing beam and the bottom plate and used for acquiring forces at different positions between the traction pin adapter and the bottom plate.
2. The six-directional force measuring device for the saddle of the tractor according to claim 1, wherein the base plate is provided with sensor measuring holes, sensor mounting holes are respectively formed in two ends of the bearing beam, the sensor measuring holes and the sensor mounting holes are concentric during mounting, the connecting bolts sequentially penetrate through the sensor mounting holes, the three-way force sensor and the pre-tightening nuts, and the pre-tightening nuts are arranged in the sensor mounting holes after mounting.
3. The traction saddle six-way force measuring device of claim 2 wherein the three-way force sensor comprises a spindle and a connecting frame; the mandrel is connected with the connecting frame piece through the sensitive beam;
strain gauges are respectively arranged on the sensitive beams.
4. A traction saddle six-way force measuring device according to claim 3, wherein the base plate is provided with a fixing hole for fixing the three-way force sensor to the base plate;
and a through hole is formed in the middle of the mandrel, and a connecting bolt sequentially penetrates through the sensor mounting hole and the through hole of the three-way force sensor mandrel during mounting and is connected with the pre-tightening nut.
5. The traction saddle six force measuring device of claim 4, wherein the load beam is coupled to the traction pin adapter through a rubber bearing.
6. The traction saddle six force measuring device of claim 5, wherein the rubber bearing comprises a bearing platen, a bearing bracket, and a bearing bushing;
the bearing bush is sleeved on the bearing bracket;
the bearing beam is provided with a mounting groove, a bearing bracket mounting hole is formed in the mounting groove, the bearing pressing plate is arranged in the mounting groove, and the bearing bracket is arranged at the upper end of the bearing pressing plate and is connected with the bearing beam through the bearing bracket mounting hole;
the two ends of the bearing pressing plate are provided with connecting and fixing holes, and the bearing pressing plate is connected with the traction pin adapter through the connecting and fixing holes.
7. The traction saddle six-way force measuring device of claim 6 wherein the number of three-way force sensors is four, the four three-way force sensors being implemented by providing four sensitive beams.
8. The traction saddle six-way force measuring device of claim 7 wherein four three-way force sensors use wheatstone bridge to obtain forces in three directions of X/Y/Z at the location.
9. The traction saddle six-directional force measuring device according to claim 8, wherein a unidirectional strain gauge is respectively arranged on the left side and the right side of the X-direction two sensitive beams, and four strain gauges are combined to form a Wheatstone full bridge for measuring X-direction force;
the left side and the right side of the Y-direction two sensitive beams are respectively provided with a unidirectional strain gage, and the total of four strain gages form a Wheatstone full bridge for measuring Y-direction force;
the four sensitive beam surfaces are respectively provided with a unidirectional strain gage, and eight strain gages are combined to form a Wheatstone full bridge for measuring Z-direction force.
10. A force calculation method based on the device of claim 7 or 8 or 9, comprising the steps of:
respectively acquiring X/Y/Z directional forces acquired by the three-way force sensors and calculating X/Y/Z directional forces at the center of the saddle based on the acquired forces;
respectively acquiring the X/Y-direction distance from the center of each three-way force sensor to the center of the base plate;
moment around X/Y/Z direction at the saddle center is calculated based on the calculated X/Y/Z direction force at the saddle center and the acquired distance, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311266361.6A CN117309219A (en) | 2023-09-27 | 2023-09-27 | Tractor saddle six-direction force testing device and calculation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311266361.6A CN117309219A (en) | 2023-09-27 | 2023-09-27 | Tractor saddle six-direction force testing device and calculation method |
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| CN117309219A true CN117309219A (en) | 2023-12-29 |
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| CN202311266361.6A Pending CN117309219A (en) | 2023-09-27 | 2023-09-27 | Tractor saddle six-direction force testing device and calculation method |
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| Country | Link |
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| CN (1) | CN117309219A (en) |
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2023
- 2023-09-27 CN CN202311266361.6A patent/CN117309219A/en active Pending
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