CN108775976B - Bending stress detection device for composite material automobile leaf spring product inspection - Google Patents
Bending stress detection device for composite material automobile leaf spring product inspection Download PDFInfo
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- CN108775976B CN108775976B CN201811056292.5A CN201811056292A CN108775976B CN 108775976 B CN108775976 B CN 108775976B CN 201811056292 A CN201811056292 A CN 201811056292A CN 108775976 B CN108775976 B CN 108775976B
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- 238000001514 detection method Methods 0.000 title claims abstract description 85
- 239000002131 composite material Substances 0.000 title claims abstract description 51
- 238000005452 bending Methods 0.000 title claims abstract description 31
- 238000007689 inspection Methods 0.000 title claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 230000002411 adverse Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/02—Measuring force or stress, in general by hydraulic or pneumatic means
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a bending stress detection device for detecting a composite material automobile leaf spring product, which comprises a main box body, wherein a detection bin is welded in the main box body, a hydraulic cylinder and a stepping motor are arranged on the outer surface of the upper end of the detection bin, clamping seats are welded on two sides of the inner surface of the detection bin, reserved screw holes are formed in the upper end and the lower end of the inner part of the detection bin in a penetrating mode, hydraulic columns penetrate through the inner part of the hydraulic cylinder, and the number of the hydraulic cylinder and the number of the stepping motor are two. The bending stress detection device for the composite material automobile leaf spring product inspection can conduct multidirectional fixing work on the composite leaf spring to be detected, can prevent the adverse effect of the fixing instability on the detection work, can conduct sectional detection work on the composite leaf spring to be detected, can improve the accuracy of detection results, can simulate the running environment of the composite leaf spring on a vehicle more truly, and can enable the detection results to be closer to real results.
Description
Technical Field
The invention relates to the field of plate spring quality inspection work, in particular to a bending stress detection device for inspecting a composite material automobile plate spring product.
Background
The plate spring quality inspection work is the process of carrying out each index of plate spring, each index that said here includes size, straightness, arc height, bending stress and withstand voltage ability etc. current combined material car plate spring product detection device can not more conveniently carry out the bending stress detection work to combined material plate spring, and combined material car plate spring product inspection is with bending stress detection device for the accuracy of testing result, therefore, we propose combined material car plate spring product inspection to use to bend stress detection device, when combined material plate spring works on the vehicle for a long time, can bear the bending load of upper and lower two directions, current combined material car plate spring product detection device can not simulate above-mentioned operating condition, even can detect the result, also can not be true enough, can not carry out segmentation detection work to combined material plate spring.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the bending stress detection device for the composite material automobile leaf spring product inspection, which can fix the composite leaf spring to be detected in multiple directions, can prevent the unstable fixation from influencing the detection work, can perform the sectional detection work on the composite leaf spring to be detected, can improve the accuracy of the detection result, can simulate the running environment of the composite leaf spring on a vehicle more truly, and can enable the detection result to be closer to the real result.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a combined material car leaf spring product inspection is with bending stress detection device, includes the main tank body, the inside welding of main tank body has the detection storehouse, and detects the upper end surface in storehouse and be provided with pneumatic cylinder and step motor, the internal surface both sides in detection storehouse all weld the holder, the inside upper and lower end in detection storehouse all runs through has the reservation screw, the inside of pneumatic cylinder has the hydraulic cylinder of running through, the quantity of pneumatic cylinder and step motor is two.
Preferably, the hydraulic cylinder is located at one side of the stepping motor, a drag chain is arranged between the hydraulic cylinder and the stepping motor, and a pressure sensor is fixedly arranged at the lower end of the inside of the hydraulic column.
Preferably, the outer surfaces of the upper end and the lower end of the main box body are provided with rails, the lower end of the hydraulic cylinder is positioned in the rails, and the outer surface of the rear end of the main box body is pin-connected with a hydraulic pump.
Preferably, the upper end threaded connection of cassette has first locating pin, and the one side threaded connection of cassette has the second locating pin, the front and back end of cassette all pin joint has the side location apron, and the inside of cassette is provided with the draw-in groove.
Preferably, the outer surface of the rear end of the side positioning cover plate is provided with a positioning inserting rod and a positioning hole, and the positioning inserting rod is positioned on one side of the positioning hole.
Preferably, the temperature sensor is connected to the inner corners of the detection bin in a threaded manner, and the heating plates are glued to the middle of the outer surfaces of the two sides of the detection bin.
Preferably, the four corners of the outer surface of the lower end of the detection bin are welded with connecting blocks, the outer surface of the lower end of each connecting block is welded with supporting legs, and the corners of the outer surfaces of the two sides of the detection bin are welded with the inner surface of the main box body.
Preferably, the inside threaded connection of reserving the screw has the supporting screw, and the surface threaded connection of supporting screw has fastening nut, fastening nut is located the inside of detecting the storehouse.
Preferably, a control box is pin-connected to the outer surface of one side of the main box body, and a controller is arranged in the control box and is electrically connected with the stepping motor, the hydraulic pump, the pressure sensor, the heating plate and the temperature sensor.
(III) beneficial effects
The invention provides a bending stress detection device for detecting a composite material automobile leaf spring product, which has the following beneficial effects:
(1) According to the bending stress detection device for the composite automobile plate spring product inspection, the clamping seats are welded on two sides of the inner surface of the detection bin, the first positioning pins are connected with the upper ends of the clamping seats in a threaded mode, the second positioning pins are connected with one sides of the clamping seats in a threaded mode, the side positioning cover plates are connected with the front ends and the rear ends of the clamping seats in a pin mode, clamping grooves are formed in the clamping seats, the positioning inserting rods and the positioning holes are formed in the outer surfaces of the rear ends of the side positioning cover plates, before detection work is carried out, the composite plate spring is firstly fixed on the two clamping seats, the lugs at the two ends of the composite plate spring are inserted into the clamping grooves, the positioning inserting rods in the two side positioning cover plates are inserted into the mounting holes of the lugs, then the fixing bolts are inserted into the positioning holes and screwed, the second positioning pins are screwed, lateral fixing work of the composite plate spring is completed, fixing work of the composite plate spring is completed in the vertical direction, and the clamping seats and the positioning pins can be used for fixing the composite plate spring to be detected in multiple directions, and adverse effects on detection work can be prevented;
(2) According to the bending stress detection device for inspecting the composite automobile leaf spring product, reserved screw holes are formed in the upper end and the lower end of the inside of the detection bin in a penetrating mode, the supporting screw rod is connected to the inner threads of the reserved screw holes, the fastening screw cap is connected to the outer surface of the supporting screw rod in a threaded mode and located in the detection bin, after the position of the composite leaf spring is fixed, the device can be started through the control box, the drag chain is moved through the control box, the hydraulic cylinder is driven to move in the track, the supporting screw rods are screwed into different reserved screw holes, the fastening screw cap is used for locking when the supporting screw rods reach the designated height, the hydraulic cylinder is pressed down to change the bending load of the composite leaf spring, and therefore detection work of the bending stress of the composite leaf spring is completed, and the supporting screw rod and the hydraulic cylinder are matched for use to perform sectional detection work on the composite leaf spring to be detected, and accuracy of detection results can be improved;
(3) This combined material car leaf spring product inspection is with bending stress detection device, in the in-process that detects, start the hot plate through the control box, detect the inside temperature of storehouse and just can rise, detect the real-time data of the inside temperature of storehouse through temperature sensor like this, temperature sensor gives the controller with real-time data transfer again, the controller compares real-time temperature data with preset temperature value, when reaching preset temperature value, just can drive the hot plate and close, no longer heat detecting the storehouse, and in the testing process, the pneumatic cylinder that detects the upper and lower both ends in storehouse set up can accomplish the test work to bending stress in two directions of combined leaf spring, use with the hot plate and can simulate the operational environment of combined leaf spring on the vehicle more truly, can make the testing result be closer to true result.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged view of the holder of the present invention;
FIG. 3 is a side view of the holder of the present invention;
FIG. 4 is a partial view of a test cartridge of the present invention;
FIG. 5 is a view of the combination of the support screw and hydraulic column of the present invention;
fig. 6 is a side view of the test cartridge of the present invention.
In the figure: 1. a main case; 2. a detection bin; 3. a connecting block; 4. a hydraulic cylinder; 5. a stepping motor; 51. a drag chain; 6. a clamping seat; 61. a first positioning pin; 62. a second positioning pin; 63. a side positioning cover plate; 631. positioning holes; 632. positioning the inserted link; 64. a clamping groove; 7. reserving a screw hole; 71. a support screw; 72. fastening a screw cap; 8. a hydraulic column; 9. a control box; 10. a controller; 11. a temperature sensor; 12. and (5) heating the plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the bending stress detection device for inspecting the composite material automobile leaf spring product comprises a main box body 1, a detection bin 2 is welded in the main box body 1, clamping seats 6 are welded on two sides of the inner surface of the detection bin 2, before the detection work is carried out, the composite leaf spring is fixed on two clamping seats 6, the lugs at two ends of the composite leaf spring are inserted into clamping grooves 64, positioning inserting rods 632 in two side positioning cover plates 63 are inserted into mounting holes of the lugs, then fixing bolts are inserted into the positioning holes 631 and screwed, a second positioning pin 62 is screwed, the lateral fixing work of the composite leaf spring is completed, finally, a first positioning pin 61 is screwed, the fixing work of the composite leaf spring in the vertical direction is completed, the clamping seats 6 and the positioning pins are arranged to carry out multidirectional fixing work on the composite leaf spring to be detected, the adverse influence of unstable fixing on the detection work can be prevented, the upper end and the lower end of the inside of the detection bin 2 are respectively penetrated with a reserved screw hole 7, the outer surface of the upper end of the detection bin 2 is provided with a hydraulic cylinder 4 and a stepping motor 5, after the position of the composite leaf spring is fixed, the device can be started by a control box 9, a drag chain 51 is moved by controlling the stepping motor 5 so as to drive the hydraulic cylinder 4 to move in a track, a supporting screw 71 is screwed into different reserved screw holes 7, when the specified height is reached, the supporting screw is locked by a fastening screw cap 72, then a hydraulic column 8 is pressed down to change the magnitude of the bending load of the composite leaf spring, a pressure sensor can acquire real-time data of the bending stress of the composite leaf spring and transmit the data to a controller 10 for storage, thereby completing the detection work of the bending stress of the composite leaf spring, the supporting screw 71 is matched with the hydraulic cylinder 4 for use, the sectional detection work of the composite leaf spring to be detected, the accuracy of the detection result can be improved, the type of the stepping motor 5 is 130HCY285AL3S-TK0, the number of the hydraulic cylinders 4 and the number of the stepping motors 5 are two, and the hydraulic column 8 penetrates through the inside of the hydraulic cylinder 4.
The hydraulic cylinder 4 is positioned at one side of the stepping motor 5, a drag chain 51 is arranged between the hydraulic cylinder 4 and the stepping motor 5, a pressure sensor is fixedly arranged at the lower end of the inside of the hydraulic column 8, and the model of the pressure sensor is BUFSON-30T and is used for acquiring real-time data of bending stress of the composite plate spring; the outer surfaces of the upper end and the lower end of the main box body 1 are provided with rails, the lower end of the hydraulic cylinder 4 is positioned in the rails, the outer surface of the rear end of the main box body 1 is pin-connected with a hydraulic pump, and the model of the hydraulic pump is T6D-042-1L03-C1, so as to complete the oil exchange work with the hydraulic cylinder 4; the upper end of the clamping seat 6 is connected with a first locating pin 61 in a threaded manner, one side of the clamping seat 6 is connected with a second locating pin 62 in a threaded manner, the front end and the rear end of the clamping seat 6 are both pin-connected with a side locating cover plate 63, and a clamping groove 64 is formed in the clamping seat 6; the outer surface of the rear end of the side positioning cover plate 63 is provided with a positioning inserting rod 632 and a positioning hole 631, and the positioning inserting rod 632 is positioned on one side of the positioning hole 631; the inner corners of the detection bin 2 are respectively connected with a temperature sensor 11 in a threaded manner, the model of each temperature sensor 11 is PT-100, heating plates 12 are respectively glued at the middle of the outer surfaces of the two sides of the detection bin 2, and the heating plates 12 are used for increasing the temperature inside the detection bin 2; connecting blocks 3 are welded at four corners of the outer surface of the lower end of the detection bin 2, supporting legs are welded on the outer surface of the lower end of the connecting blocks 3, and connecting support rods are welded at corners of the outer surfaces of two sides of the detection bin 2 and the inner surface of the main box body 1; the inside of the reserved screw hole 7 is in threaded connection with a supporting screw rod 71, the outer surface of the supporting screw rod 71 is in threaded connection with a fastening screw cap 72, and the fastening screw cap 72 is positioned in the detection bin 2; the outer surface of one side of the main box body 1 is pin-connected with a control box 9, a controller 10 is arranged in the control box 9, the model of the controller 10 is DVP60ES200R and is used for receiving and sending related control instructions to various mechanisms, and the controller 10 is electrically connected with a stepping motor 5, a hydraulic pump, a pressure sensor, a heating plate 12 and a temperature sensor 11.
In summary, the bending stress detection device for inspecting the composite material automobile leaf spring product is characterized in that firstly, the device is powered on through a power line, at this time, the stepper motor 5 and the hydraulic pump are in an electrified state, before the detection work is performed, the composite leaf spring is fixed on two clamping seats 6, the lugs at two ends of the composite leaf spring are inserted into the clamping grooves 64, the positioning inserting rods 632 in the two side positioning cover plates 63 are inserted into the mounting holes of the lugs, then the fixing bolts are inserted into the positioning holes 631 and screwed, the second positioning pin 62 is screwed, the lateral fixing work of the composite leaf spring is completed, finally, the first positioning pin 61 is screwed, the fixing work of the composite leaf spring in the vertical direction is completed, the clamping seats 6 and the positioning pins are arranged to perform the fixing work of the composite leaf spring to be detected, the adverse influence of the unstable fixing on the detection work can be prevented, secondly, after the position of the composite plate spring is fixed, the device can be started through the control box 9, the drag chain 51 is moved through controlling the stepping motor 5, so that the hydraulic cylinder 4 is driven to move in the track, the supporting screw 71 is screwed into different reserved screw holes 7, the supporting screw is locked through the fastening screw cap 72 when reaching the designated height, then the hydraulic column 8 is pressed down to change the magnitude of the bending load of the composite plate spring, the pressure sensor can acquire the real-time data of the bending stress of the composite plate spring, the data are transmitted to the controller 10 for storage, the detection work of the bending stress of the composite plate spring is completed, the supporting screw 71 and the hydraulic cylinder 4 are matched for carrying out the sectional detection work of the composite plate spring to be detected, the accuracy of the detection result can be improved, finally, in the detection process, the heating plate 12 is started through the control box 9, the temperature in the detection bin 2 can rise, the temperature sensor 11 is used for measuring real-time data of the temperature in the detection bin 2, the temperature sensor 11 is used for transmitting the real-time data to the controller 10, the controller 10 compares the real-time temperature data with a preset temperature value, when the temperature value reaches the preset temperature value, the heating plate 12 is driven to be closed, the detection bin 2 is not heated any more, in the detection process, the hydraulic cylinders 4 arranged at the upper end and the lower end of the detection bin 2 can complete the test work of bending stress in two directions of the composite leaf spring, the running environment of the composite leaf spring on a vehicle can be simulated more truly when the temperature sensor 11 is used with the heating plate 12, and the detection result is more approximate to the real result.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The inclusion of an element as defined by the statement "comprising one does not exclude the presence of additional identical elements in a process, method, article or apparatus that comprises the element, electrical elements appearing herein are all electrically connected to an external master and 220V mains, and the master may be a conventionally known apparatus that controls a computer or the like.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a combined material car leaf spring product inspection is with bending stress detection device, includes main tank body (1), its characterized in that: the detection bin (2) is welded inside the main box body (1), a hydraulic cylinder (4) and a stepping motor (5) are arranged on the outer surface of the upper end of the detection bin (2), clamping seats (6) are welded on two sides of the inner surface of the detection bin (2), reserved screw holes (7) are formed in the upper end and the lower end of the inner portion of the detection bin (2) in a penetrating mode, a hydraulic column (8) is formed in the inner portion of the hydraulic cylinder (4) in a penetrating mode, and the number of the hydraulic cylinder (4) and the number of the stepping motor (5) are two; the hydraulic cylinder (4) is positioned at one side of the stepping motor (5), a drag chain (51) is arranged between the hydraulic cylinder (4) and the stepping motor (5), and a pressure sensor is fixedly arranged at the lower end of the inside of the hydraulic column (8); the outer surfaces of the upper end and the lower end of the main box body (1) are respectively provided with a track, the lower end of the hydraulic cylinder (4) is positioned in the tracks, and the outer surface of the rear end of the main box body (1) is pin-connected with a hydraulic pump; the upper end of the clamping seat (6) is in threaded connection with a first locating pin (61), one side of the clamping seat (6) is in threaded connection with a second locating pin (62), the front end and the rear end of the clamping seat (6) are both in pin joint with a side locating cover plate (63), and a clamping groove (64) is formed in the clamping seat (6); the outer surface of the rear end of the side positioning cover plate (63) is provided with a positioning inserting rod (632) and a positioning hole (631), and the positioning inserting rod (632) is positioned at one side of the positioning hole (631); the inner corners of the detection bin (2) are connected with temperature sensors (11) in a threaded manner, and heating plates (12) are glued at the middle of the outer surfaces of the two sides of the detection bin (2); the inside threaded connection of reserving screw (7) has supporting screw (71), and the surface threaded connection of supporting screw (71) has fastening nut (72), fastening nut (72) are located the inside of detecting storehouse (2).
2. The bending stress detection device for inspecting a composite automotive leaf spring product according to claim 1, wherein: the four corners of the outer surface of the lower end of the detection bin (2) are welded with connecting blocks (3), the outer surface of the lower end of each connecting block (3) is welded with supporting legs, and connecting struts are welded at the corners of the outer surfaces of the two sides of the detection bin (2) and the inner surface of the main box body (1).
3. The bending stress detection device for inspecting a composite automotive leaf spring product according to claim 1, wherein: the outer surface pin joint of one side of main tank body (1) has control box (9), and the inside of control box (9) is provided with controller (10), controller (10) electric connection stepper motor (5), hydraulic pump, pressure sensor, hot plate (12) and temperature sensor (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056292.5A CN108775976B (en) | 2018-09-11 | 2018-09-11 | Bending stress detection device for composite material automobile leaf spring product inspection |
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| CN201811056292.5A CN108775976B (en) | 2018-09-11 | 2018-09-11 | Bending stress detection device for composite material automobile leaf spring product inspection |
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| CN108775976B true CN108775976B (en) | 2023-11-14 |
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| CN108775976A (en) | 2018-11-09 |
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