CN118090260A - Automobile electric pipe column rotating force testing device and testing method - Google Patents
Automobile electric pipe column rotating force testing device and testing method Download PDFInfo
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- CN118090260A CN118090260A CN202410487805.7A CN202410487805A CN118090260A CN 118090260 A CN118090260 A CN 118090260A CN 202410487805 A CN202410487805 A CN 202410487805A CN 118090260 A CN118090260 A CN 118090260A
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- 238000012360 testing method Methods 0.000 title claims abstract description 90
- 230000007246 mechanism Effects 0.000 claims abstract description 108
- 238000007667 floating Methods 0.000 claims description 60
- 238000011065 in-situ storage Methods 0.000 claims description 27
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims 1
- 238000010998 test method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/06—Steering behaviour; Rolling behaviour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a device for testing the rotating force of an automobile electric pipe column, which comprises a positioning clamping mechanism and a dynamic adjusting mechanism, wherein the positioning clamping mechanism comprises a positioning clamping assembly and a dynamic adjusting assembly, and the dynamic adjusting assembly is arranged on the positioning clamping assembly and is used for dynamically adjusting the positions of an upper bracket and a rotating bracket of the automobile electric pipe column; the nut torque adjusting mechanism is arranged on one side of the positioning clamping and dynamic adjusting mechanism and is used for adjusting the torque of an adjusting nut of the electric pipe column of the automobile; the rotating force testing mechanism is arranged on the other side of the positioning clamping and dynamic adjusting mechanism and is used for simulating the use condition of a rotating motor of the automobile electric pipe column to test the rotating force of the automobile electric pipe column; the invention can adjust the positions of the upper brackets in different states to the positions required during testing through the dynamic adjusting component, then simulate the rotating force test of the rotating motor of the automobile electric pipe column during loading through the rotating force testing mechanism, and has high testing efficiency and strong equipment compatibility.
Description
Technical Field
The invention relates to the technical field of automobile pipe column assembly, in particular to an automobile electric pipe column rotating force testing device and an automobile electric pipe column rotating force testing method.
Background
With the development of science and technology and the improvement of living standard of people, automobiles have become an indispensable part of daily life of people. The automobile electric pipe column is a steering mechanism for connecting a steering wheel and a steering gear, and plays an important role in an automobile steering system. The existing automobile electric pipe column comprises an upper support, a lower protection pipe and a rotating support, wherein one end of the lower protection pipe is fixed on the lower support, a rotating motor installation shaft is arranged on the lower protection pipe, the rotating support is arranged on the upper support, and the rotating support is installed on the lower protection pipe through a long bolt and an adjusting nut. When the automobile steering column is processed and molded, the rotating motor is required to be mounted on the rotating motor mounting shaft and connected with the rotating support through the lead screw, and the rotating motor drives the rotating support to rotate through the lead screw when in operation, so that the angle of the automobile electric column is adjusted, and the rotating motor can rotate around the rotating motor mounting shaft. Because before the rotating electrical machine installation, the turning force of the whole electric pipe column mechanical system needs to be tested to meet the installation requirement, in the test, due to the front process requirement, when a long bolt is pressed in, the tail end of the bolt needs to be completely exposed, and the rotating bracket needs to be adjusted to the upper maximum opening angle position, so that the upper bracket position of the assembled and molded automobile electric pipe column can not meet the requirement of the test, and when the upper bracket is adjusted to the position required by the test, the adjusting nut of the rotating bracket is blocked by the upper bracket, and the torque of the adjusting nut can not be adjusted.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects in the prior art, and the invention provides the device and the method for testing the rotating force of the automobile electric pipe column, which can dynamically adjust the positions of the upper supports of the automobile electric pipe columns in different states before testing through the positioning, clamping and dynamic adjusting mechanisms, so that the positions reach the positions required by the testing, and the device has strong compatibility and high testing efficiency.
In order to solve the technical problems, the invention provides an automobile electric pipe column rotating force testing device, which comprises:
The positioning clamping and dynamic adjusting mechanism comprises a positioning clamping assembly and a dynamic adjusting assembly, and the dynamic adjusting assembly is arranged on the positioning clamping assembly and is used for dynamically adjusting the positions of an upper bracket and a rotating bracket of an automobile electric pipe column; the positioning and clamping assembly comprises an upper bracket pressing assembly, a lower guard tube clamping assembly and a lower bracket pressing assembly; the dynamic adjustment assembly is connected with the upper bracket pressing assembly;
The positioning and clamping assembly comprises an upper bracket pressing assembly, a lower guard tube clamping assembly and a lower bracket pressing assembly; the dynamic adjustment assembly is connected with the upper bracket pressing assembly; the upper bracket pressing assembly is used for positioning and pressing an upper bracket of the automobile electric pipe column; the dynamic adjusting component is used for adjusting the positions of an upper bracket and a rotating bracket of the automobile electric pipe column, placing the rotating bracket at a zero position, and the lower pipe clamping component is used for clamping a lower pipe of the automobile electric pipe column; the lower support compressing assembly is used for positioning and compressing a lower support of the automobile electric pipe column;
the nut torque adjusting mechanism is arranged on one side of the positioning, clamping and dynamic adjusting mechanism and is used for adjusting the torque of an adjusting nut on the automobile electric pipe column; the nut torque adjusting mechanism comprises a horizontal displacement adjusting assembly, a lifting adjusting assembly and a nut floating tightening assembly, wherein the lifting adjusting assembly is arranged on the horizontal displacement adjusting assembly, and the nut floating tightening assembly is arranged on the lifting adjusting assembly;
The rotating force testing mechanism is arranged on the other side of the positioning, clamping and dynamic adjusting mechanism and is used for simulating the use condition of a rotating motor of the automobile electric pipe column to realize the rotating force test of the automobile electric pipe column; the rotating force testing mechanism comprises a height adjusting mechanism, an electronic press fixing seat, a rotating support, a force measuring assembly and a sliding guide mechanism, wherein the electronic press is rotatably arranged on the rotating support through the electronic press fixing seat, the rotating support is connected with the height adjusting mechanism, the force measuring assembly is controlled by the electronic press to be pushed and pulled in a reciprocating manner at a certain speed, and the sliding guide mechanism is arranged between the force measuring assembly and the electronic press fixing seat.
In one embodiment of the invention, the dynamic adjustment assembly comprises a first support plate, an angle adjustment cylinder, an adjustment tool and a tightening mechanism; the angle adjusting cylinder is arranged below the first supporting plate, and a telescopic rod of the angle adjusting cylinder is connected with the adjusting tool; the jacking mechanism is arranged on one side of the first supporting plate and is used for jacking the adjusting tool from the side face;
the adjusting tool comprises a bottom plate, a tool mounting plate, a third linear slide rail and a slide block, wherein the third linear slide rail comprises a group of slide rails which are arranged on the bottom plate in parallel, and the tool mounting plate is connected with the third linear slide rail through the slide block;
The jacking mechanism comprises a jacking cylinder, a jacking block and a guide seat, the guide seat is arranged above the first supporting plate, the jacking block is embedded into the guide seat, and the jacking block is connected with a telescopic rod of the jacking cylinder arranged below the first supporting plate;
In one embodiment of the invention, one side of the tool mounting plate is provided with an extrusion block, and the extrusion block is provided with a first chamfer; the tight piece of top orientation one side of frock mounting panel is equipped with the second chamfer, and when the tight piece of top was jacked, the second chamfer contacted with first chamfer, realizes the extrusion to the frock mounting panel.
In one embodiment of the invention, an elastic reset mechanism is further arranged between the bottom plate and the fixture mounting plate, the elastic reset mechanism comprises a first reset spring, a fixed block, a guide rod and a reset block, the fixed block is arranged on the bottom plate, the reset block is arranged on the fixture mounting plate, one end of the guide rod is connected with the fixed block, and the other end of the guide rod is inserted into the reset block; and a second reset spring is arranged between the fixed block and the reset block on the guide rod.
In one embodiment of the invention, the positioning and clamping assembly comprises an upper bracket pressing assembly, a lower guard clamp assembly and a lower bracket pressing assembly; the dynamic adjustment assembly is connected with the upper bracket pressing assembly.
In one embodiment of the invention, the upper bracket pressing assembly comprises a second supporting plate, an upper bracket floating positioning assembly, an upper bracket rotating clamping cylinder and a first pressing block, wherein the upper bracket floating positioning assembly is arranged on two sides of the second supporting plate, the upper bracket rotating clamping cylinder is arranged on the second supporting plate, and the first pressing block is connected with the driving end of the upper bracket rotating clamping cylinder;
The lower pipe clamping assembly comprises a lower pipe clamping cylinder and a clamping block, the clamping block is connected with the driving end of the lower pipe clamping cylinder, and a limiting clamping groove is formed in the inner side of the clamping block.
The lower support compressing assembly comprises a base plate, a servo motor, a screw rod and a lower support positioning tool assembly, wherein the servo motor is fixed on the base plate through a support, an output shaft of the servo motor is connected with one end of the screw rod, one end of the screw rod is connected with the lower support positioning tool assembly, a fourth linear sliding rail is arranged on the base plate, and the lower support positioning tool assembly is in sliding connection with the fourth linear sliding rail.
In one embodiment of the invention, the lower bracket pressing assembly comprises a base plate, a servo motor, a screw rod and a lower bracket positioning tool assembly, wherein the servo motor is fixed on the base plate through a bracket, an output shaft of the servo motor is connected with one end of the screw rod, one end of the screw rod is connected with the lower bracket positioning tool assembly, a fourth linear sliding rail is arranged on the base plate, and the lower bracket positioning tool assembly is in sliding connection with the fourth linear sliding rail.
In one embodiment of the invention, the lower bracket positioning tool assembly comprises a supporting seat, a lower bracket positioning seat and a pressing assembly, wherein the supporting seat is connected with the fourth linear sliding rail through a sliding block, the lower bracket positioning seat is arranged on the supporting seat, and the pressing assembly is arranged above the lower bracket positioning seat; the pressing assembly comprises a lower support pressing cylinder, a clamping arm and a second pressing block, wherein the clamping arm is connected with the driving end of the lower support pressing cylinder, the lower support pressing cylinder controls the clamping arm to swing, and the second pressing block is arranged at the end part of the clamping arm. The second briquetting includes briquetting and lower briquetting, go up the briquetting and can pack into the gasket and finely tune whole briquetting down between the briquetting, realize compressing tightly to the lower carriage.
In one embodiment of the invention, the horizontal displacement adjusting assembly comprises a base, a first electric cylinder, a first linear guide rail and a horizontal sliding plate, wherein the first electric cylinder is installed on the base, the output end of the first electric cylinder is connected with the horizontal sliding plate, and the horizontal sliding plate is in sliding connection with the first linear guide rail;
The lifting adjusting assembly comprises a vertical support, a second electric cylinder, a second linear slide rail and a lifting sliding plate, wherein the vertical support is arranged on the horizontal sliding plate, the second electric cylinder is arranged on the vertical support, the driving end of the second electric cylinder is connected with the lifting sliding plate, the second linear slide rail is arranged on the vertical support, and the lifting sliding plate is in sliding connection with the second linear slide rail;
the nut floating tightening assembly comprises a movable air cylinder, a tightening shaft and a floating tightening mechanism, wherein the movable air cylinder is arranged on the lifting adjusting assembly, a telescopic rod of the movable air cylinder is connected with the tightening shaft through a connecting piece, the floating tightening mechanism is connected with the tightening shaft, and the tightening shaft is used for controlling the floating tightening mechanism to rotate so as to adjust the torque of the adjusting nut;
The floating tightening mechanism comprises an adapter, a ball guide shaft floating connecting piece, a second reset spring and a sleeve, wherein the adapter is connected with the tightening shaft, one end of the ball guide shaft is embedded into the adapter, the other end of the ball guide shaft is connected with the sleeve, the floating connecting piece is fixedly arranged on the outer side of the spline shaft, and the second reset spring is connected between the floating connecting piece and the adapter;
In one embodiment of the invention, the rotational force testing mechanism further comprises a jacking supporting mechanism for carrying out in-situ supporting on the force measuring assembly, the jacking supporting mechanism comprises an in-situ supporting cylinder, an in-situ supporting plate and an elastic jacking block, the in-situ supporting cylinder is arranged below the electronic press, the in-situ supporting plate is arranged on one side of the electronic press fixing seat, the elastic jacking block is arranged at one end of the in-situ supporting plate, and when a telescopic rod of the in-situ supporting cylinder stretches out, the elastic jacking block is jacked up, and the in-situ supporting of the force measuring assembly is realized through position adjustment of the electronic press fixing seat.
In one embodiment of the invention, the force measuring assembly comprises a force measuring pin, a force measuring pin fixing seat and a telescopic cylinder, wherein the force measuring pin is arranged on the force measuring pin fixing seat and is driven by the telescopic cylinder arranged on the force measuring pin fixing seat to realize telescopic action;
In a second aspect, in order to solve the above technical problems, the present invention provides a method for testing a rotational force of an electric pipe column of an automobile, which specifically includes the following steps:
(1) Feeding an automobile electric pipe column needing force measurement, and respectively clamping an upper bracket, a lower bracket and a lower protection pipe of the automobile electric pipe column;
(2) The position of the upper bracket is adjusted to a position required during testing, so that the height of the upper bracket and the interval between the upper bracket and the lower bracket meet the testing requirement;
(3) The force measuring assembly is inserted into the rotary bracket hole;
(4) Loosening the lower protective tube;
(5) The telescopic rod of the in-situ supporting cylinder is retracted and separated from the rotating force testing mechanism;
(6) Adjusting the angle of the rotary support until the adjusting nut is completely exposed;
(7) Preliminary torque adjustment is carried out on the adjusting nut, the torque is adjusted to a first set value, then the rotating support is pushed and pulled back and forth for three times at the speed A, and running-in is carried out on the electric pipe column of the automobile;
(8) Continuously performing torque adjustment on the adjusting nut, adjusting the torque to a second set value, then reciprocating the push-pull rotary support at the speed B for one time, and measuring the push-pull force of the push-pull rotary support;
(9) If the force measurement value is within the set range, the test result is qualified;
(10) If the torque exceeds the set range, adjusting the torque of the adjusting nut, and retesting;
(11) And after the test is finished, loosening and discharging the automobile electric pipe column.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
The device and the method for testing the rotating force of the automobile electric pipe column can simulate the use condition of the rotating motor of the automobile electric pipe column, test the rotating force of the automobile electric pipe column, and before the test, the dynamic adjusting component can adjust the positions of the upper brackets in different states to the positions required during the test, then simulate the gesture of the rotating motor during the loading of the automobile electric pipe column through the rotating force testing mechanism to test the rotating force of the automobile electric pipe column, and adjust the torque of the adjusting nut on the automobile electric pipe column through the nut torque adjusting mechanism during the test, so that the testing efficiency is high, and the device compatibility is strong.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a schematic view showing a construction of an apparatus for testing rotational force of an electric column of an automobile in a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the dynamic adjustment assembly, the upper bracket hold-down assembly, the lower guard tube clamp assembly, the lower bracket hold-down assembly and the electric pipe column of the automobile to be tested;
FIG. 3 is a schematic diagram of a dynamic adjustment assembly of the rotational force testing apparatus of an electric automobile column shown in FIG. 1;
FIG. 4 is a schematic view of a portion of the dynamic adjustment assembly shown in FIG. 3;
FIG. 5 is a schematic structural view of an upper rack compression assembly of the automotive electric pipe column rotational force testing apparatus shown in FIG. 1;
FIG. 6 is a schematic diagram of a lower guard clamp assembly of the automotive electric string turning force testing apparatus of FIG. 1;
FIG. 7 is a schematic diagram of a lower bracket compression assembly of the automotive electric pipe column rotational force testing apparatus shown in FIG. 1;
FIG. 8 is a schematic view of a lower bracket positioning seat of the lower bracket hold down assembly of FIG. 7;
FIG. 9 is a schematic diagram of a nut torque adjustment mechanism of the automotive electric pipe column turning force testing apparatus shown in FIG. 1;
FIG. 10 is a schematic view of the nut floating tightening assembly of the nut torque adjustment mechanism shown in FIG. 9;
FIG. 11 is a schematic structural view of a turning force testing mechanism of the turning force testing device for the electric pipe column of the automobile shown in FIG. 1;
FIG. 12 is a schematic view of a partial construction of the rotational force testing mechanism shown in FIG. 11;
Description of the specification reference numerals: 100. an upper bracket; 101. a rotating bracket; 102. an adjusting nut; 103. a lower protective tube; 104. a lower bracket;
1. positioning, clamping and dynamic adjusting mechanisms; 11. a dynamic adjustment assembly; 111. a first support plate; 112. an angle adjusting cylinder; 113. adjusting a tool; 1131. a bottom plate; 1132. a tool mounting plate; 1133. a third linear slide; 1134. a latch cylinder; 1135. an elastic reset mechanism; 113a, a first return spring; 113b, a fixed block; 113c, a guide bar; 113d, a reset block; 1136. an in situ conditioning assembly; 11361. an adjusting block I; 11362. an adjusting bolt; 11363. an adjusting block II; 1137. extruding a block; 114. a jacking mechanism; 1141. a cylinder is tightly propped; 1142. a tightening block; 1143. a guide seat;
12. an upper bracket compacting assembly; 121. a second support plate; 122. an upper bracket floating positioning assembly; 123. the upper bracket rotates to clamp the air cylinder; 124. a first briquette;
13. A lower guard clamp assembly; 131. a lower guard tube clamping cylinder; 132. a clamping block;
14. a lower bracket compacting assembly; 141. a substrate; 142. a servo motor; 143. a screw rod; 144. a lower bracket positioning tool assembly; 1441. a support base; 1442. a lower bracket positioning seat; 1443. a compression assembly; 14431. the lower bracket compresses tightly the cylinder; 14432. a clamp arm; 14433. a second briquetting;
15. a lower bracket floating positioning assembly; 151. a floating locating pin; 152. a limiting piece; 153. a locking piece;
2. A nut torque adjustment mechanism; 21. a horizontal displacement adjustment assembly; 22. a lifting adjusting component; 23. a nut floating tightening assembly; 231. a moving cylinder; 232. tightening the shaft; 233. a floating tightening mechanism; 2331. an adapter; 2332. a ball guide shaft; 2333. a floating connection; 2334. a second return spring; 2335. a sleeve;
3. A rotational force testing mechanism; 31. a height adjusting mechanism; 32. an electronic press; 33. fixing seat of electronic press; 34. rotating the support; 35. a force measuring assembly; 351. a force measuring pin; 352. a force measuring pin fixing seat; 353. a telescopic cylinder; 36. a sliding guide mechanism; 37. A jacking supporting mechanism; 371. an in-situ support cylinder; 372. an in-situ support plate; 373. an elastic ejector block; 38. and (5) balancing weights.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Example 1
Referring to fig. 1 and 2, an apparatus for testing rotational force of an electric pipe column of an automobile according to the present invention includes:
The positioning, clamping and dynamic adjusting mechanism 1 comprises a positioning and clamping assembly and a dynamic adjusting assembly 11, wherein the dynamic adjusting assembly 11 is arranged on the positioning and clamping assembly and is used for dynamically adjusting the positions of an upper bracket 100 and a rotating bracket 101 of an electric pipe column of an automobile; the positioning and clamping assembly comprises an upper bracket pressing assembly 12, a lower guard pipe clamping assembly 13 and a lower bracket pressing assembly 14; the dynamic adjustment assembly 11 is connected with the upper bracket pressing assembly 12; the upper bracket compressing assembly 12 is used for positioning and compressing an upper bracket 100 of an electric pipe column of the automobile; the lower protection pipe clamping assembly 13 is used for clamping a lower protection pipe 103 of an automobile electric pipe column; the lower bracket pressing component 14 is used for positioning and pressing a lower bracket 104 of an automobile electric pipe column; as shown in fig. 2, the upper bracket pressing assembly 12, the lower guard pipe clamping assembly 13 and the lower bracket pressing assembly 14 of the positioning and clamping assembly are used for positioning and clamping an automobile electric pipe column during testing;
The nut torque adjusting mechanism 2 is arranged on one side of the positioning, clamping and dynamic adjusting mechanism 1 and is used for adjusting the torque of the adjusting nut 102 on the electric pipe column of the automobile; the nut torque adjusting mechanism 2 comprises a horizontal displacement adjusting assembly 21, a lifting adjusting assembly 22 and a nut floating tightening assembly 23, wherein the lifting adjusting assembly 22 is arranged on the horizontal displacement adjusting assembly 21, and the nut floating tightening assembly 23 is arranged on the lifting adjusting assembly 22; the horizontal displacement adjusting component 21 is used for controlling the nut floating tightening component 23 to carry out position adjustment in the Y-axis direction, the lifting adjusting component 22 is used for controlling the nut floating tightening component 23 to carry out position adjustment in the Z-axis direction, and is used for meeting nut torque adjustment requirements of automobile electric pipe columns with different specifications, so that the compatibility of equipment is improved; after the position of the nut float tightening assembly 23 is adjusted in place, the nut float tightening assembly 23 can align the adjustment nut 102 for torque adjustment of the adjustment nut 102.
The turning force testing mechanism 3 is arranged on the other side of the positioning, clamping and dynamic adjusting mechanism 1 and is used for simulating the use condition of a rotating motor of the automobile electric pipe column to realize the turning force test of the automobile electric pipe column; the turning force testing mechanism 3 comprises a height adjusting mechanism 31, an electronic press 32, an electronic press fixing seat 33, a turning support 34, a force measuring assembly 35 and a sliding guide mechanism 36, wherein the electronic press 32 is rotatably arranged on the turning support 34 through the electronic press fixing seat 33, the turning support 34 is connected with the height adjusting mechanism 31, the force measuring assembly 35 is controlled by the electronic press 32 to push and pull at a certain speed in a reciprocating manner, and the sliding guide mechanism 36 is arranged between the force measuring assembly 35 and the electronic press fixing seat 33. The force measuring assembly 35 comprises a force measuring pin 351, a force measuring pin fixing seat 352 and a telescopic cylinder 353, wherein the force measuring pin 351 is arranged on the force measuring pin fixing seat 352 and is driven by the telescopic cylinder 353 arranged on the force measuring pin fixing seat 352 to realize telescopic action; when the automobile electric pipe column is required to be subjected to the model changing, the height adjusting mechanism 31 is arranged to realize the height adjustment of the electronic press 32, so that the rotating shaft of the rotating support 34 coincides with the axis of the rotating motor installation shaft of the automobile electric pipe column, and the use condition of the rotating motor can be better simulated.
When the force measuring pin 351 of the force measuring assembly 35 and the round hole on the rotary support 101 are adjusted to be on the same straight line, the telescopic cylinder 353 controls the force measuring pin 351 to extend into the rotary support 101, the electronic press 32 generates a thrust force for the force measuring pin 351, in the process that the electronic press 32 pushes the force measuring pin 351, a guiding effect can be generated on movement of the force measuring pin 351 through the sliding guide mechanism 36, in addition, the electronic press 32 can rotate on the rotary support 34 for simulating the use condition that the rotary motor is mounted on the rotary motor mounting shaft of the electric pipe column of the automobile.
As shown in fig. 3, the dynamic adjustment assembly 11 includes a first support plate 111, an angle adjustment cylinder 112, an adjustment tool 113, and a tightening mechanism 114; the angle adjusting cylinder 112 is arranged below the first supporting plate 111, and a telescopic rod of the angle adjusting cylinder 112 is connected with the adjusting tool 113; the jacking mechanism 114 is disposed at one side of the first support plate 111, and is used for jacking the adjustment tool 113 from the side;
The adjusting tool 113 comprises a bottom plate 1131, a tool mounting plate 1132 and a third linear slide rail 1133, wherein the third linear slide rail 1133 is arranged on the bottom plate 1131, and the tool mounting plate 1132 is connected with the third linear slide rail 1133 through a sliding block; when the telescopic rod of the angle adjusting cylinder 112 extends, the bottom plate 1131 is jacked up, the rotating bracket 101 rotates towards the direction of the lower bracket 104, and in the rotating process of the rotating bracket 101, the tool mounting plate 1132 is driven to drive the upper bracket 100 to slide along the third linear sliding rail 1133 towards the direction of the lower bracket 104.
The tightening mechanism 114 includes a tightening cylinder 1141, a tightening block 1142, and a rod guide 1143, the rod guide 1143 is disposed above the first support plate 111, the tightening block 1142 is embedded into the rod guide 1143, and the tightening block 1142 is connected to a telescopic rod of the tightening cylinder 1141 disposed below the first support plate 111; when the telescopic rod of the jacking cylinder 1141 is extended or retracted, the jacking block 1142 can be controlled to move up and down in the guide holder 1143.
Preferably, an extrusion block 1137 is arranged on one side of the tool mounting plate 1132, and a first chamfer is arranged on the extrusion block 1137; and a second chamfer is arranged on one side of the jacking block 1142 facing the tool mounting plate 1132, and when the jacking block 1142 is jacked up, the second chamfer contacts with the first chamfer to extrude the tool mounting plate 1132. The tool mounting plate 1132 is extruded through the jacking mechanism 114, the adjusting tool 113 is fixed, when the rotating force is tested, the upper bracket 100 can be effectively prevented from moving, the position is deviated, and the testing accuracy is ensured.
As shown in fig. 4, an elastic reset mechanism 1135 is further disposed between the bottom plate 1131 and the fixture mounting plate 1132, the elastic reset mechanism 1135 includes a first reset spring 113a, a fixed block 113b, a guide rod 113c and a reset block 113d, the fixed block 113b is disposed on the bottom plate 1131, the reset block 113d is disposed on the fixture mounting plate 1132, one end of the guide rod 113c is connected with the fixed block 113b, and the other end is inserted into the reset block 113 d; a first return spring 113a is provided on the guide rod 113c between the fixed block 113b and the return block 113 d. After the test is finished, the telescopic rod of the jacking cylinder 1141 is retracted, the jacking block 1142 loosens the adjusting tool 113, and the tool mounting plate 1132 of the adjusting tool 113 returns to the original position through the first return spring 113a. The bottom plate 1131 is located at one side of the elastic reset mechanism 1135, and is further provided with a pin cylinder 1134, where after the angle adjustment of the upper bracket 100 is finished, a positioning pin of the pin cylinder 1134 is inserted into the upper bracket pressing assembly 12, so as to position the upper bracket pressing assembly 12.
Further, an in-situ adjusting component 1136 for performing fine adjustment on the position of the upper bracket pressing component 12 is arranged between the bottom plate 1131 and the fixture mounting plate 1132, the in-situ adjusting component 1136 comprises an adjusting block I11361, an adjusting bolt 11362 and an adjusting block II 11363, the adjusting block I11361 is fixedly arranged at the bottom of the fixture mounting plate 1132, an adjusting block II 11363 is fixedly arranged on the side surface of the bottom plate 1131, and an adjusting bolt 11362 is arranged on an adjusting block II 11363. When the position of the upper bracket pressing assembly 12 needs to be slightly adjusted, the tool mounting plate 1132 slides on the bottom plate 1131 by rotating the adjusting bolt 11362, so that the upper bracket pressing assembly 12 on the tool mounting plate 1132 is adjusted to a position required by the test.
As shown in fig. 5, the upper bracket pressing assembly 12 includes a second support plate 121, an upper bracket floating positioning assembly 122, an upper bracket rotating clamping cylinder 123, and a first pressing block 124, wherein the upper bracket floating positioning assembly 122 is disposed at both sides of the second support plate 121, the upper bracket rotating clamping cylinder 123 is disposed on the second support plate 121, and the first pressing block 124 is connected with the driving end of the upper bracket rotating clamping cylinder 123; after the upper bracket 100 of the electric pipe column of the automobile is placed on the upper bracket floating positioning assembly 122, the upper bracket rotating clamping cylinder 123 controls the first pressing block 124 to rotate and descend, so as to compress the upper bracket 100, and prevent shaking when the position of the upper bracket 100 is adjusted.
As shown in fig. 6, the lower guard tube clamping assembly 13 includes a lower guard tube clamping cylinder 131 and a clamping block 132, the clamping block 132 is connected with the driving end of the lower guard tube clamping cylinder 131, and a limiting clamping groove is formed on the inner side of the clamping block 132. When the automobile electric pipe column is loaded in place, the clamping block 132 is close to the lower protection pipe 103 under the control of the lower protection pipe clamping cylinder 131 when clamping the lower protection pipe 103, and clamps the lower protection pipe from the side.
As shown in fig. 7, the lower support pressing assembly 14 includes a base plate 141, a servo motor 142, a screw rod 143 and a lower support positioning tool assembly 144, the servo motor 142 is fixed on the base plate 141 through a support, an output shaft of the servo motor 142 is connected with one end of the screw rod 143, one end of the screw rod 143 is connected with the lower support positioning tool assembly 144, and a fourth linear slide rail is disposed on the base plate 141 and the lower support positioning tool assembly 144 is slidably connected with the fourth linear slide rail. The servo motor 142 controls the screw rod 143 to rotate, so that the position adjustment of the lower bracket positioning tool assembly 144 is realized, and the positioning and clamping requirements of automobile electric pipe columns with different specifications can be met; after the lower bracket positioning tooling assembly 144 is adjusted in place, the lower bracket 104 of the automotive electric pipe column is compressed by the lower bracket positioning tooling assembly 144.
Preferably, the lower bracket positioning tool assembly 144 includes a supporting seat 1441, a lower bracket positioning seat 1442, and a pressing assembly 1443, wherein the supporting seat 1441 is connected with the fourth linear sliding rail through a sliding block, the lower bracket positioning seat 1442 is disposed on the supporting seat 1441, and the pressing assembly 1443 is disposed above the lower bracket positioning seat 1442; the pressing assembly 1443 comprises a lower bracket pressing cylinder 14431, a clamping arm 14432 and a second pressing block 14433, wherein the clamping arm 14432 is connected with the driving end of the lower bracket pressing cylinder 14431, the clamping arm 14432 is controlled to swing by the lower bracket pressing cylinder 14431, and the second pressing block 14433 is arranged at the end part of the clamping arm 14432. The second press block 14433 includes an upper press block and a lower press block, and the whole second press block 14433 can be finely adjusted by adjusting the gasket between the upper press block and the lower press block, so as to meet the pressing requirement of the lower bracket 104.
As shown in fig. 8, the lower bracket positioning seat 1442 is provided with a lower bracket floating positioning assembly 15, the lower bracket floating positioning assembly 15 includes a floating positioning pin 151, a limiting plate 152 and a locking plate 153, the floating positioning pin 151 is inserted into the limiting plate 152, and the limiting plate 152 is fixed on the lower bracket positioning seat 1442 through the locking plate 153. The upper bracket floating position assembly 122 in this embodiment is identical in construction to the lower bracket floating position assembly 15.
As shown in fig. 9, the horizontal displacement adjusting assembly 21 on the nut torque adjusting mechanism 2 for controlling the position adjustment of the nut floating tightening assembly 23 in this embodiment includes a base, a first electric cylinder, a first linear guide rail, and a horizontal sliding plate, where the first electric cylinder is mounted on the base, the output end of the first electric cylinder is connected to the horizontal sliding plate, and the horizontal sliding plate is slidingly connected to the first linear slide rail; the lifting adjusting assembly 22 comprises a vertical support, a second electric cylinder, a second linear sliding rail and a lifting sliding plate, the vertical support is arranged on the horizontal sliding plate, the second electric cylinder is arranged on the vertical support, the driving end of the second electric cylinder is connected with the lifting sliding plate, the second linear sliding rail is arranged on the vertical support, and the lifting sliding plate is in sliding connection with the second linear sliding rail.
The nut floating tightening assembly 23 comprises a moving cylinder 231, a tightening shaft 232 and a floating tightening mechanism 233, wherein the moving cylinder 231 is arranged on the lifting adjusting assembly 22, a telescopic rod of the moving cylinder 231 is connected with the tightening shaft 232 through a connecting piece 234, the floating tightening mechanism 233 is connected with the tightening shaft 232, and the floating tightening mechanism 233 is controlled to rotate through the tightening shaft 232 so as to adjust the torque of the adjusting nut 102; when the force measuring pin 351 of the force measuring assembly 35 stretches into the rotary support 101, the electronic press 32 pushes the force measuring pin 351, the rotary support 101 of the automobile electric pipe column rotates, and the adjusting nut 102 is completely exposed, at the moment, the movable cylinder 231 of the nut floating tightening assembly 23 controls the tightening shaft 232 and the floating tightening mechanism 233 to approach the adjusting nut 102, so that the floating tightening mechanism 233 is meshed with the adjusting nut 102, and then the floating tightening mechanism 233 is driven to rotate by the tightening shaft 232, so that torque adjustment of the adjusting nut 102 is achieved.
As shown in fig. 10, the floating tightening mechanism 233 includes a adaptor 2331, a ball guide shaft 2332, a floating connector 2333, a second return spring 2334 and a sleeve 2335, the adaptor 2331 is connected with the tightening shaft 232, one end of the ball guide shaft 2332 is embedded into the adaptor 2331, the other end of the ball guide shaft 2332 is connected with the sleeve 2335, the floating connector 2333 is fixedly arranged on the outer side of a spline shaft of the ball guide shaft 2332, and the second return spring 2334 is connected between the floating connector 2333 and the adaptor 2331. Specifically, one end of the second return spring 2334 is embedded into the adapter 2331, and the other end is mounted on the floating connector 2333 through a constant-height bolt; in this embodiment, the ball guide shaft 2332 is a linear motion mechanism using rolling motion of balls, when the spline seat of the ball guide shaft 2332 rotates, the spline shaft can move in a linear direction while rolling in the spline seat, and after the spline seat of the ball guide shaft 2332 is embedded in the adapter 2331, the tightening shaft 232 drives the spline seat to rotate through the adapter 2331, so that the spline shaft drives the sleeve 2335 to adjust the torque of the adjusting nut 102.
As shown in fig. 11 and 12, the rotational force testing mechanism 3 further includes a jacking supporting mechanism 37 for supporting the force measuring assembly 35 in situ, the jacking supporting mechanism 37 includes a home supporting cylinder 371, a home supporting plate 372 and an elastic jacking block 373, the home supporting cylinder 371 is disposed below the electronic press 32, the home supporting plate 372 is disposed at one side of the electronic press fixing seat 33, the elastic jacking block 373 is disposed at one end of the home supporting plate 372, when the telescopic rod of the home supporting cylinder 371 extends, the elastic jacking block 373 is jacked up, and the home supporting of the force measuring assembly 35 is realized by adjusting the position of the electronic press fixing seat 33; when a rotational force test is required, the telescopic rod of the in-situ support cylinder 371 is retracted to be separated from the elastic top block 373.
In addition, the in-situ support plate 372 is further provided with a balancing weight 38, and the balancing weight 38 is fixed on the in-situ support plate 372 through an adapter plate. The purpose of the counterweight 38 is here to balance the weight of the electronic press 32 and the force measuring assembly 35 on both sides of the rotary support 34.
Example two
The invention provides a method for testing the rotating force of an automobile electric pipe column, which comprises the following specific testing steps:
(1) Manually feeding an automobile electric pipe column to be subjected to force measurement, and respectively clamping an upper bracket 100, a lower bracket 104 and a lower protection pipe 103 of the automobile electric pipe column;
(2) The position of the upper bracket 100 is adjusted to a position required during testing, so that the height of the upper bracket 100 and the interval between the upper bracket 100 and the lower bracket 104 meet the testing requirements;
(3) The force measuring assembly 35 is inserted into the hole of the rotary bracket 101;
(4) Loosening the lower guard tube 103;
(5) The telescopic rod of the original position supporting cylinder 371 is retracted and separated from the rotating force testing mechanism 3;
(6) Adjusting the angle of the rotary bracket 101 until the adjusting nut 102 is completely exposed;
(7) Preliminary torque adjustment is carried out on the adjusting nut, the torque is adjusted to a first set value, then the rotating support is pushed and pulled back and forth for three times at the speed A, and running-in is carried out on the electric pipe column of the automobile;
(8) Continuously performing torque adjustment on the adjusting nut, adjusting the torque to a second set value, then reciprocating the push-pull rotary support at the speed B for one time, and measuring the push-pull force of the push-pull rotary support;
(9) If the force measurement value is within the set range, the test result is qualified;
(10) If the torque exceeds the set range, adjusting the torque of the adjusting nut, and retesting;
(11) And after the test is finished, loosening and discharging the automobile electric pipe column.
The invention is based on the specific structure of the automobile electric pipe column turning force testing equipment in the first embodiment, and the specific testing process is as follows:
(1) The automobile pipe column needing force measurement is placed on the positioning clamping and dynamic adjusting mechanism 1, and the upper bracket 100 and the lower bracket 104 are respectively positioned by the upper bracket floating positioning component 122 and the lower bracket positioning seat 1442;
(2) The upper bracket 100 of the automobile electric pipe column is compressed through the upper bracket rotating and clamping cylinder 123, and the lower bracket 104 of the automobile electric pipe column is compressed through the lower bracket compressing cylinder 14431; closing by the lower shield 103 clamping cylinder 131, clamping the lower shield 103;
(3) The angle adjusting cylinder 112 of the dynamic adjusting assembly 11 extends out, the adjusting tool 113 is jacked up, at this time, the upper bracket 100 and the tool mounting plate 1132 move along the third linear sliding rail 1133 towards the direction of the lower bracket 104, so that the rotating bracket 101 rotates towards the direction of the lower bracket 104, the rotating bracket 101 returns to the zero position, and the upper bracket 100 is adjusted to the position required during testing;
(4) The jacking cylinder 1141 stretches out to jack the adjusting tool 113 from the side surface, so that the position of the upper bracket 100 is prevented from shifting when the rotating force is measured;
(5) The pins on the pin cylinders 1134 extend to position the upper bracket hold down assembly 12;
(6) The telescopic cylinder 353 of the force measuring assembly 35 extends out, and the force measuring pin 351 is inserted into the hole of the rotary bracket 101;
(7) The lower guard tube clamping cylinder 131 is opened, and the lower guard tube 103 is loosened;
(8) The original position supporting cylinder 371 of the force measuring assembly 35 is retracted and separated from the force measuring assembly 35;
(9) The electronic press 32 acts to adjust the angle of the rotary bracket 101 until the adjusting nut 102 is completely exposed;
(10) The moving cylinder 231 is extended to engage the floating tightening mechanism 233 with the adjustment nut 102;
(11) The tightening shaft 232 is operated to rotate the adjusting nut 102 to 2Nm, and the moving cylinder 231 is retracted; the electronic press 32 reciprocates and pushes the rotary support 101 for three times at the speed of 30mm/s to break in the automobile electric pipe column;
(12) The moving cylinder 231 is extended to rotate the adjustment nut 102 to 10Nm; the moving cylinder 231 is retracted; the electronic press 32 reciprocates and pushes the rotary support 101 at a speed of 10mm/s once to measure the force;
(13) If the push-pull force of the electronic press 32 is between 140 and 210N, the electronic press is qualified;
(14) Otherwise, the adjusting nut 102 needs to be continuously rotated by the tightening shaft 232 to increase or decrease the tightening torque, and then retests;
(15) After the test is finished, the original position supporting cylinder 371 extends out to support the original position supporting plate 372, and the force measuring pin 351 returns to the original position;
(16) The upper bracket rotating clamping cylinder 123 and the lower bracket compacting cylinder 14431 loosen the workpiece, and the workpiece is manually discharged;
(17) The pins of pin cylinder 1134 retract, releasing upper bracket hold down assembly 12;
(18) The jacking cylinder 1141 is retracted, the adjusting tool 113 is loosened, and the adjusting tool 113 is reset through the first reset spring 113 a;
(19) The telescopic rod of the angle adjusting cylinder 112 is retracted, the position of the adjusting tool 113 is lowered, and the tool returns to the original position.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (10)
1. The utility model provides a car electric pipe column turning force test equipment which characterized in that: comprising the following steps:
The positioning clamping and dynamic adjusting mechanism comprises a positioning clamping assembly and a dynamic adjusting assembly, wherein the positioning clamping assembly is used for clamping and positioning an automobile electric pipe column, and the dynamic adjusting assembly is arranged on the positioning clamping assembly and used for dynamically adjusting the positions of an upper bracket and a rotating bracket of the automobile electric pipe column;
the nut torque adjusting mechanism is arranged on one side of the positioning, clamping and dynamic adjusting mechanism and is used for adjusting the torque of an adjusting nut on the automobile electric pipe column; the nut torque adjusting mechanism comprises a horizontal displacement adjusting assembly, a lifting adjusting assembly and a nut floating tightening assembly, wherein the lifting adjusting assembly is arranged on the horizontal displacement adjusting assembly, and the nut floating tightening assembly is arranged on the lifting adjusting assembly;
The rotating force testing mechanism is arranged on the other side of the positioning, clamping and dynamic adjusting mechanism and is used for simulating the use condition of a rotating motor of the automobile electric pipe column to realize the rotating force test of the automobile electric pipe column; the rotating force testing mechanism comprises a height adjusting mechanism, an electronic press fixing seat, a rotating support, a force measuring assembly and a sliding guide mechanism, wherein the electronic press is rotatably arranged on the rotating support through the electronic press fixing seat, the rotating support is connected with the height adjusting mechanism, the force measuring assembly is controlled by the electronic press to be pushed and pulled in a reciprocating manner at a certain speed, and the sliding guide mechanism is arranged between the force measuring assembly and the electronic press fixing seat.
2. The apparatus for testing rotational force of an automotive electric pipe string according to claim 1, wherein: the dynamic adjusting assembly comprises a first supporting plate, an angle adjusting cylinder, an adjusting tool and a jacking mechanism; the angle adjusting cylinder is arranged below the first supporting plate, and a telescopic rod of the angle adjusting cylinder is connected with the adjusting tool; the jacking mechanism is arranged on one side of the first supporting plate and is used for jacking the adjusting tool from the side face;
the adjusting tool comprises a bottom plate, a tool mounting plate and a third linear slide rail, wherein the third linear slide rail comprises a group of slide rails which are arranged on the bottom plate in parallel, and the tool mounting plate is connected with the third linear slide rail through a sliding block;
The jacking mechanism comprises a jacking cylinder, a jacking block and a guide seat, wherein the guide seat is arranged above the first supporting plate, the jacking block is embedded into the guide seat, and the jacking block is connected with a telescopic rod of the jacking cylinder arranged below the first supporting plate.
3. The apparatus for testing rotational force of an automotive electric pipe string according to claim 2, wherein: an elastic reset mechanism is further arranged between the bottom plate and the tool mounting plate, the elastic reset mechanism comprises a first reset spring, a fixed block, a guide rod and a reset block, the fixed block is arranged on the bottom plate, the reset block is arranged on the tool mounting plate, one end of the guide rod is connected with the fixed block, and the other end of the guide rod is inserted into the reset block; and a first reset spring is arranged between the fixed block and the reset block on the guide rod.
4. The apparatus for testing rotational force of an automotive electric pipe string according to claim 1, wherein: the positioning and clamping assembly comprises an upper bracket dynamic compression assembly, a lower guard tube clamping assembly and a lower bracket dynamic compression assembly; the dynamic adjustment assembly is connected with the upper bracket dynamic compression assembly.
5. The apparatus for testing rotational force of an automotive electric pipe string according to claim 4, wherein: the upper bracket dynamic compaction assembly comprises a second supporting plate, an upper bracket floating positioning assembly, an upper bracket rotary clamping cylinder and a first pressing block, wherein the upper bracket floating positioning assembly is arranged on two sides of the second supporting plate, the upper bracket rotary clamping cylinder is arranged on the second supporting plate, and the first pressing block is connected with the driving end of the upper bracket rotary clamping cylinder;
the lower pipe clamping assembly comprises a lower pipe clamping cylinder and a clamping block, the clamping block is connected with the driving end of the lower pipe clamping cylinder, and a limiting clamping groove is formed in the inner side of the clamping block;
The dynamic pressing assembly of the lower support comprises a base plate, a servo motor, a screw rod and a lower support positioning tool assembly, wherein the servo motor is fixed on the base plate through a support, an output shaft of the servo motor is connected with one end of the screw rod, one end of the screw rod is connected with the lower support positioning tool assembly, a fourth linear sliding rail is arranged on the base plate, and the lower support positioning tool assembly is in sliding connection with the fourth linear sliding rail.
6. The apparatus for testing rotational force of an automotive electric pipe string according to claim 5, wherein: the lower support positioning tool assembly comprises a supporting seat, a lower support positioning seat and a pressing assembly, wherein the supporting seat is connected with the fourth linear sliding rail through a sliding seat, the lower support positioning seat is arranged on the supporting seat, and the pressing assembly is arranged above the lower support positioning seat; the pressing assembly comprises a lower support pressing cylinder, a clamping arm and a second pressing block, wherein the clamping arm is connected with the driving end of the lower support pressing cylinder, the lower support pressing cylinder controls the clamping arm to swing, and the second pressing block is arranged at the end part of the clamping arm.
7. The apparatus for testing rotational force of an automotive electric pipe string according to claim 1, wherein: the nut floating tightening assembly comprises a movable air cylinder, a tightening shaft and a floating tightening mechanism, wherein the movable air cylinder is arranged on the lifting adjusting assembly, a telescopic rod of the movable air cylinder is connected with the tightening shaft through a connecting piece, the floating tightening mechanism is connected with the tightening shaft, and the floating tightening mechanism is controlled to rotate through the tightening shaft so as to adjust the torque of the adjusting nut.
8. The apparatus for testing rotational force of an automotive electric pipe string according to claim 7, wherein: the floating tightening mechanism comprises an adapter, a ball guide shaft floating connecting piece, a second reset spring and a sleeve, wherein the adapter is connected with the tightening shaft, one end of the ball guide shaft is embedded into the adapter, the other end of the ball guide shaft is connected with the sleeve, the floating connecting piece is fixedly arranged on the outer side of a spline shaft of the ball guide shaft, and the second reset spring is connected between the floating connecting piece and the adapter.
9. The apparatus for testing rotational force of an automotive electric pipe string according to claim 1, wherein: the rotating force testing mechanism further comprises a jacking supporting mechanism used for carrying out in-situ supporting on the force measuring assembly, the jacking supporting mechanism comprises an in-situ supporting cylinder, an in-situ supporting plate and an elastic jacking block, the in-situ supporting cylinder is arranged below the electronic press, the in-situ supporting plate is arranged on one side of the electronic press fixing seat, the elastic jacking block is arranged at one end of the in-situ supporting plate, and when a telescopic rod of the in-situ supporting cylinder stretches out, the elastic jacking block jacks up, and in-situ supporting of the force measuring assembly is achieved through position adjustment of the electronic press fixing seat.
10. A test method based on the apparatus for testing rotational force of an automotive electric pipe column according to any one of claims 1 to 9, characterized in that: the specific test steps are as follows:
(1) Manually feeding an automobile electric pipe column to be subjected to force measurement, and respectively clamping an upper bracket, a lower bracket and a lower protective pipe of the automobile electric pipe column;
(2) The position of the upper bracket is adjusted to a position required during testing, so that the height of the upper bracket and the interval between the upper bracket and the lower bracket meet the testing requirement;
(3) The force measuring assembly is inserted into the rotary bracket hole;
(4) Loosening the lower protective tube;
(5) The telescopic rod of the in-situ supporting cylinder is retracted and separated from the rotating force testing mechanism;
(6) Adjusting the angle of the rotary support until the adjusting nut is completely exposed;
(7) Preliminary torque adjustment is carried out on the adjusting nut, the torque is adjusted to a first set value, then the rotating support is pushed and pulled back and forth for three times at the speed A, and running-in is carried out on the electric pipe column of the automobile;
(8) Continuously performing torque adjustment on the adjusting nut, adjusting the torque to a second set value, then reciprocating the push-pull rotary support at the speed B for one time, and measuring the push-pull force of the push-pull rotary support;
(9) If the force measurement value is within the set range, the test result is qualified;
(10) If the torque exceeds the set range, adjusting the torque of the adjusting nut, and retesting;
(11) And after the test is finished, loosening and discharging the automobile electric pipe column.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410487805.7A CN118090260B (en) | 2024-04-23 | 2024-04-23 | Automobile electric pipe column rotating force testing device and testing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410487805.7A CN118090260B (en) | 2024-04-23 | 2024-04-23 | Automobile electric pipe column rotating force testing device and testing method |
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| CN118090260B CN118090260B (en) | 2024-07-02 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020095406A (en) * | 2001-06-14 | 2002-12-26 | 현대자동차주식회사 | Apparatus for adjusting the center of the steering wheel for vehicles |
| KR20030079329A (en) * | 2002-04-03 | 2003-10-10 | 위아 주식회사 | Steering force control apparatus for power steering |
| CN101644629A (en) * | 2008-08-08 | 2010-02-10 | 通用汽车环球科技运作公司 | Method of measuring torsional dynamics of a steering column at small dynamic amplitudes |
| CN209513284U (en) * | 2019-01-09 | 2019-10-18 | 四川宁江山川机械有限责任公司 | A kind of pillar rotating torque detection device |
| US20210199539A1 (en) * | 2018-09-28 | 2021-07-01 | Kokusai Keisokuki Kabushiki Kaisha | Test device |
| CN215065252U (en) * | 2021-07-05 | 2021-12-07 | 太仓英太思机械有限公司 | Torsion test fixture base on steering shaft automobile production line |
| CN115753153A (en) * | 2022-11-23 | 2023-03-07 | 江西天岳汽车电器有限公司 | Steering column assembly comprehensive performance testing device |
| CN115753082A (en) * | 2022-11-14 | 2023-03-07 | 山东丰源汽车科技有限公司 | Automobile universal joint transmission corner test equipment |
-
2024
- 2024-04-23 CN CN202410487805.7A patent/CN118090260B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020095406A (en) * | 2001-06-14 | 2002-12-26 | 현대자동차주식회사 | Apparatus for adjusting the center of the steering wheel for vehicles |
| KR20030079329A (en) * | 2002-04-03 | 2003-10-10 | 위아 주식회사 | Steering force control apparatus for power steering |
| CN101644629A (en) * | 2008-08-08 | 2010-02-10 | 通用汽车环球科技运作公司 | Method of measuring torsional dynamics of a steering column at small dynamic amplitudes |
| US20210199539A1 (en) * | 2018-09-28 | 2021-07-01 | Kokusai Keisokuki Kabushiki Kaisha | Test device |
| CN209513284U (en) * | 2019-01-09 | 2019-10-18 | 四川宁江山川机械有限责任公司 | A kind of pillar rotating torque detection device |
| CN215065252U (en) * | 2021-07-05 | 2021-12-07 | 太仓英太思机械有限公司 | Torsion test fixture base on steering shaft automobile production line |
| CN115753082A (en) * | 2022-11-14 | 2023-03-07 | 山东丰源汽车科技有限公司 | Automobile universal joint transmission corner test equipment |
| CN115753153A (en) * | 2022-11-23 | 2023-03-07 | 江西天岳汽车电器有限公司 | Steering column assembly comprehensive performance testing device |
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