CN118090254B - Semitrailer suspension mechanism test equipment - Google Patents
Semitrailer suspension mechanism test equipment Download PDFInfo
- Publication number
- CN118090254B CN118090254B CN202410518579.4A CN202410518579A CN118090254B CN 118090254 B CN118090254 B CN 118090254B CN 202410518579 A CN202410518579 A CN 202410518579A CN 118090254 B CN118090254 B CN 118090254B
- Authority
- CN
- China
- Prior art keywords
- annular
- plate
- rod
- air bag
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 83
- 239000000725 suspension Substances 0.000 title claims abstract description 30
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 87
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000005489 elastic deformation Effects 0.000 abstract description 4
- 239000000306 component Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of vehicle suspension testing, and discloses semitrailer suspension mechanism testing equipment, which comprises the following components: a bottom plate; a heightening platform; the detection mechanism is arranged above the suspension air bag and is used for detecting the elastic performance of the suspension air bag; an air compressor; the cleaning mechanism is arranged below the detection mechanism and used for cleaning the surface of the outer side wall of the suspension air bag; the detection mechanism includes: a lifting plate; a hydraulic assembly; the bottom surface of the pressing plate can be attached to the top surface of the air bag; the pressure sensor is arranged between the central rod and the lifting plate; the elasticity of the gasbag when the range state that jolts of different sizes can be tested, simultaneously, when air compressor aerifys the gasbag inside, the gasbag can slowly expand and rise, when the gasbag rises, clean mechanism can clear up hanging gasbag lateral wall surface, avoids hanging gasbag lateral wall surface and adheres to have the foreign matter to hinder its elastic deformation for test elasticity result is more accurate.
Description
Technical Field
The invention relates to the technical field of vehicle suspension testing, in particular to semitrailer suspension mechanism testing equipment.
Background
The semitrailer is a trailer with axles placed behind the center of gravity of the vehicle (when the vehicle is uniformly loaded) and equipped with a coupling device capable of transmitting horizontal and vertical forces to the tractor, and since the air suspension system has excellent damping effect, jolts and shocks from the road surface can be remarkably reduced, and is also gradually used by the semitrailer, the safety of goods in the semitrailer is more favorably protected, wherein the air suspension system is to adjust the ground clearance of the semitrailer and the softness of the suspension by injecting air into an air bag by using an air compressor, the air bag is a core component of the air suspension system, the air bag is made of flexible rubber and has good elasticity and sealing, and the elasticity of the air bag is an important performance related to the damping effect.
Because the hanging air bag of the semitrailer is usually made of rubber or similar materials, the air bag can age naturally along with the time, and the air bag can be compressed and released frequently during the running of the semitrailer to cause the fatigue of the materials, the elastic performance of the air bag can be reduced, the shock absorption effect is reduced, and the goods in the semitrailer are easy to jolt greatly, so that the elastic performance of the hanging mechanism needs to be detached and detected regularly, and certain dust or foreign matters can be adhered to the surface of the air bag frequently after the air bag is used for a long time, the elastic performance of the air bag is prevented from being released, and the detection of the elasticity of the air bag is not facilitated.
To this end, the invention provides a semitrailer suspension mechanism test apparatus.
Disclosure of Invention
The invention provides semitrailer suspension mechanism testing equipment, which solves at least one technical problem in the background technology.
The invention provides a semitrailer suspension mechanism test device, which comprises: a bottom plate; the heightening platform is fixedly connected to the top surface of the bottom plate and is used for fixedly mounting a base of the hanging air bag, and the heightening platform further comprises a detection mechanism arranged above the hanging air bag and used for detecting the elastic performance of the hanging air bag; an air compressor arranged on the bottom plate for filling or discharging air into or from the suspended air bag; the cleaning mechanism is arranged below the detection mechanism and used for cleaning the surface of the outer side wall of the suspension air bag; wherein, detection mechanism includes: a lifting plate disposed above the suspension balloon; the hydraulic assemblies are arranged at two sides of the heightening platform and used for driving the lifting plate to vertically move; the pressing plate is arranged below the lifting plate, and the bottom surface of the pressing plate can be attached to the top surface of the air bag; the central rod is fixed on the bottom surface of the lifting plate, a pressure sensor is arranged between the central rod and the lifting plate, and the lower end of the central rod is connected with the pressing plate; wherein, the cleaning mechanism includes: the annular plate is arranged below the pressing plate and can be sleeved on the hanging air bag; the bristles are fixedly arranged on the side wall of the inner ring of the annular plate, and one end of each bristle can be abutted against the side wall of the hanging air bag; and the lifting assembly is arranged on the bottom surface of the pressing plate and used for driving the annular plate to vertically move.
Specifically, elasticity when the different sizes of gasbag state of jolting can be tested, the bigger that the hydraulic assembly drives the clamp plate upwards moves the distance promptly, represents jolting that the bigger, the hydraulic assembly drives the clamp plate upwards moves the distance less, represents jolting that the amplitude is less, simultaneously, when air compressor aerifys the gasbag inside, the gasbag can slowly expand and rise, when the gasbag rises, the brush hair can clear up hanging gasbag lateral wall surface, avoid hanging gasbag lateral wall surface adhesion has the foreign matter to hinder its elastic deformation, make test elasticity result more accurate.
Preferably, the hydraulic assembly comprises: the bearing tables are arranged on two sides of the heightening table, the bottom surfaces of the bearing tables are fixedly connected with the top surfaces of the bottom plates, and the adjacent surfaces of the two bearing tables are provided with sliding grooves; the movable body vertically slides in the chute, and the side wall of the movable body is fixedly connected with the side wall of the lifting plate; and the hydraulic machine is arranged in the chute and used for driving the moving body to move in the chute.
Preferably, the lifting assembly includes: a plurality of guide rods fixedly arranged on the bottom surface of the pressing plate; the driving rod penetrates through and is rotationally connected with the pressing plate, and a servo motor for driving the driving rod to rotate is fixedly arranged on the top surface of the pressing plate; and a plurality of connecting plates respectively sleeved on the driving rod and the guide rod, wherein the driving rod is in threaded connection with the connecting plates, the guide rod is in sliding connection with the connecting plates, and the connecting plates are connected with the annular plates.
Preferably, the device further comprises a detection mechanism for detecting whether the elasticity of the air bag is uniform, and the detection mechanism comprises: the ball body is fixedly connected to the bottom end of the central rod, a spherical groove matched with the ball body is formed in the top surface of the pressing plate, and the ball body can rotate in the spherical groove; and a drive mechanism for controlling the center rod to be able to be perpendicular to the plane of the platen.
Specifically, by observing the inclination degree of the pressing plate, the degree of uneven elastic distribution caused by poor elasticity of the air bag can be judged, and whether the air bag needs to be repaired or replaced is facilitated.
Preferably, the driving mechanism includes: the circumference is provided with a plurality of vertical rods outside the central rod, and the vertical rods penetrate through and are connected with the lifting plate in a sliding manner; push plates fixedly connected to the top surfaces of the plurality of vertical rods; the support plate is arranged above the push plate and fixedly connected to the top surface of the lifting plate; and the output end of the electric push rod is fixedly connected with the top surface of the push plate.
Specifically, the electric push rod is started to drive the push plate and the vertical rods to move downwards, so that the plurality of vertical rods are abutted to the top surface of the pressing plate, and the pressing plate is in a horizontal state.
Preferably, the air bag device further comprises a marking mechanism arranged below the pressing plate, the marking mechanism is matched with the detection mechanism and can mark the side wall part with insufficient elasticity of the air bag, and the marking mechanism comprises: the annular body is fixedly connected to the top surface of the connecting plate and can be sleeved on the air bag, an annular through groove is formed in the annular body, and an annular opening capable of being communicated with the annular through groove is formed in the side wall of the inner ring of the annular body; the solution bottle is arranged on the bottom surface of the annular body, the dye liquor is arranged in the solution bottle, and the solution bottle is communicated with the annular through groove; a first annular sponge body arranged in the annular through groove; and a second annular sponge disposed within the annular opening, the second annular sponge having an inner annular rim within the annulus of the annular body.
Specifically, when driving push pedal, montant upward movement through starting electric putter for the clamp plate can move about, when the clamp plate received the unbalanced elasticity of gasbag distribution, the clamp plate can take place to incline, guide arm, the connecting plate in the clamp plate passes through the lifting unit, can drive marking mechanism and take place to incline, make on the second annular sponge body can contact the partial of elasticity inadequately on the gasbag lateral wall, the second annular sponge body can adsorb the dye liquor and carry out the dyeing mark to the partial lateral wall that elasticity is inadequately on the gasbag, and, the elasticity difference is bigger, the second annular sponge body inclination is bigger, the sign of second annular sponge body to the gasbag lateral wall sign is just longer, the length of sign can be for the staff judges whether the gasbag needs to repair or change and provides certain help.
Preferably, the lifting assembly further comprises a connecting bent rod for connecting the annular plate and the annular body, two ends of the connecting bent rod are fixedly connected with the bottom surface of the annular plate and the outer side wall of the annular body respectively, the inner ring range of the annular plate is larger than the outer ring range of the annular body, the cleaning mechanism further comprises a blocking ring capable of driving bristles to bend, the blocking ring is fixedly connected at the bottom of the pressing plate, the outer ring range of the blocking ring is larger than the outer ring range of the annular body, and the outer ring range of the blocking ring is smaller than the inner ring range of the annular plate.
Specifically, when needs carry out marking operation, the brush hair can be contacted with the gasbag lateral wall, and the brush hair can be contacted with the gasbag and can influence marking mechanism's slope, through setting up the baffle ring, drive annular plate, brush hair upward movement through lifting unit, the baffle ring can push away the bending with the brush hair, avoids brush hair and gasbag lateral wall contact to influence marking mechanism slope.
Preferably, the marking mechanism further comprises a pressing component for pressing the first annular sponge body, the first annular sponge body can be pressed to drive the dye liquor in the solution bottle to enter the first annular sponge body, the dye liquor can be immersed in the second annular sponge body through the first annular sponge body, the defect that the dye liquor in the second annular sponge body is insufficient and cannot dye and mark the outer side wall of the air bag is avoided, and the pressing component comprises: the pressing plate is arranged in the annular through groove and is positioned above the first annular sponge body; the lower end of the lower pressure rod is fixedly connected to the top surface of the pressing plate, and the lower pressure rod penetrates through and is connected to the top of the annular body in a sliding manner; and the downward movement driving piece is arranged above the downward pressing rod and used for driving the downward pressing rod to move downward.
Preferably, the downward movement driving member includes: the lower piston is fixedly connected to the top end of the lower pressing rod; the lower piston is positioned in the lower end of the curved piston cylinder; an upper piston arranged in the upper end of the curved piston cylinder; the piston rod is fixedly connected to the side wall of the upper piston; and a trigger for triggering the movement of the piston rod.
Preferably, the trigger member includes: the trigger rod is fixedly connected to the bottom of the blocking ring; and the curved surface bulge is fixedly connected to the side wall of the trigger rod, and the curved surface bulge can push the piston rod to move.
Specifically, the problem that the side wall of the air bag cannot be dyed due to insufficient dye solution in the second annular cavernous body is solved.
The invention has the beneficial effects that: according to the semitrailer suspension mechanism testing equipment, the hydraulic component drives the pressing plate to move upwards for a long distance during the second test, so that the elasticity of the air bags in different bumping amplitude states can be tested, namely, the larger the upward moving distance of the pressing plate is driven by the hydraulic component, the larger the bumping amplitude is represented, the smaller the upward moving distance of the pressing plate is driven by the hydraulic component, the smaller the bumping amplitude is represented, meanwhile, when the air compressor inflates the inside of the air bags, the air bags can be slowly expanded and lifted, when the air bags are lifted, the bristles can clean the outer side wall surfaces of the hanging air bags, and foreign matters adhered to the outer side wall surfaces of the hanging air bags are prevented from obstructing the elastic deformation of the hanging air bags, so that the testing elastic results are more accurate.
According to the semitrailer suspension mechanism testing equipment, when the air bag is in the inflated state, the side part of the air bag is polluted by splash of the tire and the road surface, or the side part of the air bag is polluted by dust, the aging of the air bag can be accelerated, so that the elasticity of the local side wall of the air bag is reduced, the elasticity of the local side wall of the air bag is distributed unevenly, when the elasticity of the air bag is distributed unevenly to a certain extent, the air bag needs to be repaired or replaced, and by arranging the ball, when the elasticity of the local side wall of the air bag is poor, the pressing plate and the central rod rotate, the pressing plate can incline, and the inclination degree of the pressing plate can be observed, so that the degree of the uneven elasticity distribution caused by the poor elasticity of the local side wall of the air bag can be judged, and whether the air bag needs to be repaired or replaced is facilitated.
According to the semitrailer suspension mechanism testing equipment, the electric push rod is started to drive the push plate and the vertical rod to move upwards, so that the pressing plate can move, when the pressing plate is subjected to unbalanced elastic force of the air bag, the pressing plate can incline, the pressing plate can drive the marking mechanism to incline through the guide rod and the connecting plate in the lifting assembly, the second annular sponge can contact with the part with insufficient elasticity on the side wall of the air bag, the second annular sponge can absorb dye liquor and dye and mark the part with insufficient elasticity on the side wall of the air bag, and the larger the elastic difference is, the longer the second annular sponge inclines the marks on the side wall of the air bag, and the length of the marks can provide certain help for staff to judge whether the air bag needs to be repaired or replaced.
According to the semitrailer suspension mechanism testing equipment, the curved surface bulge on the side wall of the trigger rod can drive the piston rod and the upper piston to move, after the gas in the bent piston cylinder is compressed, the lower piston moves downwards after being pushed by the gas in the bent piston cylinder, the lower piston drives the pressing plate to press the first annular sponge body once through the lower pressing rod, so that the first annular sponge body can absorb dye liquor in the solution bottle when rebounding, and the second annular sponge body can absorb the dye liquor from the first annular sponge body due to the absorption of the sponge, so that the dye liquor is continuously kept in the second annular sponge body, the side wall of the air bag can be continuously marked for multiple times, and the problem that the dye liquor in the second annular sponge body cannot dye the side wall of the air bag is solved.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
FIG. 2 is a schematic diagram of the structure of the detecting mechanism in the present invention.
Fig. 3 is a partial enlarged view at a in fig. 2.
Fig. 4 is a schematic structural view of the detecting mechanism in the present invention.
Fig. 5 is a partial enlarged view at B in fig. 4.
Fig. 6 is an exploded view of the marking mechanism of the present invention.
Fig. 7 is a partial enlarged view at C in fig. 2.
In the figure: 1. a bottom plate; 2. a heightening platform; 3. a detection mechanism; 31. a lifting plate; 32. a hydraulic assembly; 321. a carrying platform; 322. a chute; 323. a moving body; 324. a hydraulic press; 33. a pressing plate; 34. a central rod; 4. an air compressor; 5. a cleaning mechanism; 51. an annular plate; 52. brushing; 53. a lifting assembly; 531. a guide rod; 532. a driving rod; 533. a connecting plate; 534. connecting a bent rod; 54. a blocking ring; 6. a detection mechanism; 61. a sphere; 62. a spherical groove; 63. a driving mechanism; 631. a vertical rod; 632. a push plate; 633. a support plate; 634. an electric push rod; 7. a marking mechanism; 71. an annular body; 72. an annular through groove; 73. an annular opening; 74. a solution bottle; 75. a first annular sponge; 76. a second annular sponge; 77. pressing down the assembly; 771. pressing the plate; 772. pressing down a rod; 773. a downward movement driving member; 7731. a lower piston; 7732. a curved piston cylinder; 7733. an upper piston; 7734. a piston rod; 7735. a trigger; 77351. a trigger lever; 77352. the curved surface is convex.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
Referring to fig. 1 to fig. 7, please refer to fig. 1 and fig. 2, a testing device for a suspension mechanism of a semitrailer according to an embodiment of the present invention includes: a base plate 1; the heightening platform 2 is fixedly connected to the top surface of the bottom plate 1, the heightening platform 2 is used for fixedly mounting a base of a hanging air bag, the heightening platform further comprises a detection mechanism 3 arranged above the hanging air bag, and the detection mechanism 3 is used for detecting the elastic performance of the hanging air bag; an air compressor 4 provided on the base plate 1 for inflating or deflating the suspended air cells; and a cleaning mechanism 5 arranged below the detecting mechanism 3 for cleaning the surface of the outer side wall of the suspended air bag; wherein the detection mechanism 3 includes: a lifting plate 31 disposed above the suspension balloon; the hydraulic assemblies 32 are arranged at two sides of the heightening platform 2 and used for driving the lifting plate 31 to vertically move; the pressing plate 33 is arranged below the lifting plate 31, and the bottom surface of the pressing plate 33 can be attached to the top surface of the air bag; the central rod 34 is fixed on the bottom surface of the lifting plate 31, a pressure sensor is arranged between the central rod 34 and the lifting plate 31, and the lower end of the central rod 34 is connected with the pressing plate 33; wherein the cleaning mechanism 5 comprises: an annular plate 51 provided below the pressing plate 33, the annular plate 51 being capable of being fitted over the suspension balloon; and bristles 52 fixedly mounted on the inner circumferential side wall of the annular plate 51, one end of the bristles 52 being capable of abutting against the side wall of the suspended airbag; and a lifting assembly 53 installed on the bottom surface of the pressing plate 33 for driving the annular plate 51 to move vertically.
Specifically, in the initial state, the gasbag is in the state that does not aerify, install the gasbag on the elevating platform 2 top surface earlier, rethread hydraulic module 32 drives elevating plate 31, center pole 34, pressure sensor and clamp plate 33 move down to certain position, then start air compressor 4 and aerify inside the gasbag, make the gasbag expand to certain height and gasbag top butt in clamp plate 33 bottom surface, and begin first time record pressure sensor's data, at this moment, drive elevating plate 31 through hydraulic module 32, center pole 34, pressure sensor and clamp plate 33 upwards move a section distance, because the gasbag has ascending elasticity, the gasbag top can also be in the clamp plate 33 bottom surface by the butt, at this moment, the data of second time record pressure sensor is started, can obtain the elasticity data of gasbag through comparing the data difference of twice pressure sensor, the data difference of twice pressure sensor is less, the gasbag elasticity is big the time, when controlling the second time test, hydraulic module 32 drives clamp plate 33 and upwards moves the length of distance, can test the gasbag elasticity module is big the time, the elastic pressure sensor's that is big the side wall is pressed to the side wall is lifted to the more accurately, the side wall is lifted to the outside when the hydraulic pressure sensor is lifted, the side wall is lifted to the more, the elastic deformation is more accurate, the side wall is lifted to the outside to the accuracy, the side wall is lifted to the air bag is more is compressed to the air pressure sensor is more.
Referring to fig. 2, the hydraulic assembly 32 includes: the bearing tables 321 are arranged on two sides of the heightening table 2, the bottom surfaces of the bearing tables 321 are fixedly connected with the top surface of the bottom plate 1, and the adjacent surfaces of the two bearing tables 321 are provided with sliding grooves 322; a movable body 323 vertically sliding in the chute 322, wherein the side wall of the movable body 323 is fixedly connected with the side wall of the lifting plate 31; and a hydraulic machine 324 disposed in the chute 322 for driving the movable body 323 to move in the chute 322.
Referring to fig. 2 and 3, the lifting assembly 53 includes: a plurality of guide rods 531 fixedly installed at the bottom surface of the pressing plate 33; the driving rod 532 penetrates through and is rotatably connected to the pressing plate 33, and a servo motor for driving the driving rod 532 to rotate is fixedly arranged on the top surface of the pressing plate 33; and a plurality of connection plates 533 respectively sleeved on the driving rod 532 and the guide rod 531, wherein the driving rod 532 is in threaded connection with the connection plates 533, the guide rod 531 is in sliding connection with the connection plates 533, and the connection plates 533 are connected with the annular plate 51.
Referring to fig. 1 and fig. 4, the device further includes a detecting mechanism 6 for detecting whether the elasticity of the air bag is uniform, where the detecting mechanism 6 includes: the ball body 61 is fixedly connected to the bottom end of the center rod 34, a spherical groove 62 matched with the ball body 61 is formed in the top surface of the pressing plate 33, and the ball body 61 can rotate in the spherical groove 62; and a drive mechanism 63 for controlling the ability of the central rod 34 to be perpendicular to the plane of the platen 33.
Specifically, when the gasbag is in the state of inflation, because the gasbag lateral part can receive the splash contamination of tire with the road surface, perhaps the gasbag lateral part receives the contamination of dust, can all accelerate the ageing of gasbag for the local lateral wall elasticity of gasbag drops, leads to the local elasticity distribution inhomogeneous of gasbag lateral wall to appear, when the inhomogeneous to a certain extent of gasbag elasticity distribution, need repair or change the gasbag, through setting up spheroid 61, when the local elasticity failure that appears of gasbag lateral wall, clamp plate 33 and center rod 34 will take place to rotate, clamp plate 33 can appear the slope phenomenon, through observing the slope degree of clamp plate 33, can judge the local elasticity distribution inhomogeneous degree that leads to of elasticity failure appears of gasbag, be favorable to judging whether the gasbag needs repair or change.
Referring to fig. 2, the driving mechanism 63 includes: a plurality of vertical rods 631 circumferentially arranged outside the central rod 34, wherein the vertical rods 631 penetrate through and are connected with the lifting plate 31 in a sliding manner; push plates 632 fixedly connected to the top surfaces of the plurality of vertical rods 631; a support plate 633 arranged above the push plate 632, wherein the support plate 633 is fixedly connected to the top surface of the lifting plate 31; and an electric push rod 634 fixedly installed on the support plate 633, wherein the output end of the electric push rod 634 is fixedly connected with the top surface of the push plate 632.
Specifically, by starting the electric push rod 634 to drive the push plate 632 and the vertical rods 631 to move downwards, the plurality of vertical rods 631 can be abutted to the top surface of the pressing plate 33, so that the pressing plate 33 is in a horizontal state.
Referring to fig. 1,2 and 3, the air bag marking device further includes a marking mechanism 7 disposed below the pressing plate 33, the marking mechanism 7 is matched with the detecting mechanism 6 and is capable of marking the side wall portion with insufficient elasticity of the air bag, and the marking mechanism 7 includes: an annular body 71 fixedly connected to the top surface of the connection plate 533, wherein the annular body 71 can be sleeved on the air bag, an annular through groove 72 is formed in the annular body 71, and an annular opening 73 capable of being communicated with the annular through groove 72 is formed in the inner annular side wall of the annular body 71; a solution bottle 74 arranged on the bottom surface of the annular body 71, wherein the solution bottle 74 is internally provided with dye liquor, and the solution bottle 74 is communicated with the annular through groove 72; a first annular sponge 75 disposed in the annular through groove 72; and a second annular sponge body 76 provided in the annular opening 73, the inner annular edge of the second annular sponge body 76 being located within the ring of the annular body 71.
Specifically, when the push plate 632 and the vertical rod 631 are driven to move upwards by starting the electric push rod 634, so that the pressing plate 33 can move, when the pressing plate 33 receives unbalanced elastic force of the air bag, the pressing plate 33 can incline, the pressing plate 33 can drive the marking mechanism 7 to incline through the guide rod 531 and the connecting plate 533 in the lifting assembly 53, so that the second annular sponge 76 can contact with the part with insufficient elasticity on the side wall of the air bag, the second annular sponge 76 can absorb dye liquor and dye and mark the part with insufficient elasticity on the side wall of the air bag, and the larger the elastic difference is, the larger the inclination degree of the second annular sponge 76 is, the longer the mark of the second annular sponge 76 marks the side wall of the air bag is, and the length of the mark can provide a certain help for a worker to judge whether the air bag needs to be repaired or replaced.
Referring to fig. 3, the lifting assembly 53 further includes a connecting bent rod 534 for connecting the annular plate 51 and the annular body 71, two ends of the connecting bent rod 534 are fixedly connected with the bottom surface of the annular plate 51 and the outer side wall of the annular body 71, the inner ring range of the annular plate 51 is larger than the outer ring range of the annular body 71, the cleaning mechanism 5 further includes a blocking ring 54 capable of driving the bristles 52 to bend, the blocking ring 54 is fixedly connected at the bottom of the pressing plate 33, the inner ring outer ring range of the blocking ring 54 is larger than the outer ring range of the annular body 71, and the outer ring range of the blocking ring 54 is smaller than the inner ring range of the annular plate 51.
Specifically, when the marking work needs to be carried out, the bristles 52 can be contacted with the side wall of the air bag, the bristles 52 can be contacted with the air bag to influence the inclination of the marking mechanism 7, the blocking ring 54 is arranged, the lifting assembly 53 drives the annular plate 51 and the bristles 52 to move upwards, and the blocking ring 54 can push the bristles 52 to bend, so that the contact of the bristles 52 with the side wall of the air bag is avoided to influence the inclination of the marking mechanism 7.
Referring to fig. 6 and 7, the marking mechanism 7 further includes a pressing component 77 for pressing the first annular sponge 75, the first annular sponge 75 is pressed to drive the dye solution in the solution bottle 74 to enter the first annular sponge 75, the dye solution can be immersed into the second annular sponge 76 through the first annular sponge 75, the dye solution in the second annular sponge 76 is prevented from being insufficient to dye and mark the outer side wall of the air bag, and the pressing component 77 includes: a pressing plate 771 provided in the annular through groove 72, the pressing plate 771 being located above the first annular sponge 75; the lower pressure rod 772 is vertically arranged above the pressing plate 771, the lower end of the lower pressure rod 772 is fixedly connected to the top surface of the pressing plate 771, and the lower pressure rod 772 penetrates through and is connected to the top of the annular body 71 in a sliding manner; and a downward movement driving member 773 disposed above the downward pressing rod 772 for driving the downward pressing rod 772 to move downward.
Referring to fig. 7, the downward driving member 773 includes: a lower piston 7731 fixedly connected to the top end of the lower pressure bar 772; a curved piston tube 7732 fixedly connected to the top surface of the annular body 71, wherein the lower piston 7731 is positioned inside the lower end of the curved piston tube 7732; an upper piston 7733 provided inside the upper end of the curved piston tube 7732; piston rod 7734 fixedly connected to the side wall of upper piston 7733; and a trigger 7735 for triggering movement of the piston rod 7734.
Referring to fig. 4 and 5, the trigger 7735 includes: the trigger rod 77351 is fixedly connected to the bottom of the blocking ring 54; and a curved protrusion 77352 fixedly connected to the side wall of the trigger lever 77351, wherein the curved protrusion 77352 can push the piston rod 7734 to move.
Specifically, the dye solution in the second annular sponge 76 becomes insufficient after multiple use or air drying, the side wall of the air bag cannot be dyed, when the lifting component 53 drives the marking mechanism 7 to move upwards, the curved surface protrusion 77352 on the side wall of the triggering rod 77351 can drive the piston rod 7734 and the upper piston 7733 to move, after the gas in the bent piston cylinder 7732 is compressed, the lower piston 7731 moves downwards after being pushed by the gas in the bent piston cylinder 7732, the lower piston 7731 drives the pressing plate 771 to press the first annular sponge 75 once through the pressing rod 772, the first annular sponge 75 can absorb the dye solution in the solution bottle 74 when rebounding, and the second annular sponge 76 can absorb the dye solution from the first annular sponge 75 due to the adsorptivity, so that the dye solution is continuously kept in the second annular sponge 76, the side wall of the air bag can be continuously marked for multiple times, and the problem that the dye solution in the second annular sponge 76 cannot dye the side wall of the air bag is solved.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (2)
1. A semitrailer suspension mechanism testing apparatus comprising:
A bottom plate (1);
and heightening platform (2) fixedly connected on the top surface of the bottom plate (1), wherein the heightening platform (2) is used for fixedly mounting a base for hanging an air bag, and is characterized by further comprising:
The detection mechanism (3) is arranged above the suspension air bag, and the detection mechanism (3) is used for detecting the elastic performance of the suspension air bag;
an air compressor (4) arranged on the bottom plate (1) for filling or discharging air into or from the suspended air bag;
the cleaning mechanism (5) is arranged below the detection mechanism (3) and is used for cleaning the surface of the outer side wall of the suspension air bag;
Wherein the detection mechanism (3) comprises:
A lifting plate (31) disposed above the suspended air bag;
the hydraulic assemblies (32) are arranged at two sides of the heightening platform (2) and used for driving the lifting plate (31) to vertically move;
the pressing plate (33) is arranged below the lifting plate (31), and the bottom surface of the pressing plate (33) can be attached to the top surface of the air bag;
the central rod (34) is fixed on the bottom surface of the lifting plate (31), a pressure sensor is arranged between the central rod (34) and the lifting plate (31), and the lower end of the central rod (34) is connected with the pressing plate (33);
Wherein the cleaning mechanism (5) comprises:
an annular plate (51) arranged below the pressing plate (33), wherein the annular plate (51) can be sleeved on the hanging air bag;
The bristles (52) are fixedly arranged on the side wall of the inner ring of the annular plate (51), and one end of each bristle (52) can be abutted against the side wall of the hanging air bag;
the lifting assembly (53) is arranged on the bottom surface of the pressing plate (33) and used for driving the annular plate (51) to vertically move;
The lifting assembly (53) comprises:
a plurality of guide rods (531) fixedly installed on the bottom surface of the pressing plate (33);
A drive rod (532) penetrating and rotatably connected to the pressing plate (33);
The driving rod (532) is in threaded connection with the connecting plate (533), the guide rod (531) is in sliding connection with the connecting plate (533), and the connecting plate (533) is connected with the annular plate (51);
still including being used for detecting whether gasbag elasticity is even detection mechanism (6), detection mechanism (6) include:
The ball body (61) is fixedly connected to the bottom end of the center rod (34), a spherical groove (62) matched with the ball body (61) is formed in the top surface of the pressing plate (33), and the ball body (61) can rotate in the spherical groove (62);
and a driving mechanism (63) for controlling the central rod (34) to be able to be perpendicular to the plane of the pressing plate (33);
The drive mechanism (63) includes:
a plurality of vertical rods (631) circumferentially arranged outside the central rod (34), wherein the vertical rods (631) penetrate through and are connected with the lifting plate (31) in a sliding manner;
the pushing plates (632) are fixedly connected to the top surfaces of the plurality of vertical rods (631);
The support plate (633) is arranged above the push plate (632), and the support plate (633) is fixedly connected to the top surface of the lifting plate (31);
The electric push rod (634) is fixedly arranged on the support plate (633), and the output end of the electric push rod (634) is fixedly connected with the top surface of the push plate (632);
Still including setting up marking mechanism (7) below clamp plate (33), marking mechanism (7) cooperate in detection mechanism (6) can mark the lateral wall part that gasbag elasticity is not enough, marking mechanism (7) include:
An annular body (71) fixedly connected to the top surface of the connecting plate (533), wherein the annular body (71) can be sleeved on the air bag, an annular through groove (72) is formed in the annular body (71), and an annular opening (73) capable of being communicated with the annular through groove (72) is formed in the inner annular side wall of the annular body (71);
A solution bottle (74) arranged on the bottom surface of the annular body (71), wherein the solution bottle (74) is internally provided with dye liquor, and the solution bottle (74) is communicated with the annular through groove (72);
a first annular sponge body (75) arranged in the annular through groove (72);
And a second annular sponge body (76) provided in the annular opening (73), the inner annular edge of the second annular sponge body (76) being located within the annular ring of the annular body (71);
The lifting assembly (53) further comprises a connecting bent rod (534) used for connecting the annular plate (51) and the annular body (71), two ends of the connecting bent rod (534) are fixedly connected with the bottom surface of the annular plate (51) and the outer side wall of the annular body (71) respectively, the inner ring range of the annular plate (51) is larger than the outer ring range of the annular body (71), the cleaning mechanism (5) further comprises a blocking ring (54) capable of driving the bristles (52) to bend, the blocking ring (54) is fixedly connected at the bottom of the pressing plate (33), the outer ring range of the inner ring of the blocking ring (54) is larger than the outer ring range of the annular body (71), and the outer ring range of the blocking ring (54) is smaller than the inner ring range of the annular plate (51);
The marking mechanism (7) further comprises a pressing component (77) for pressing the first annular sponge body (75), the dye liquor in the solution bottle (74) can be driven to enter the first annular sponge body (75) by pressing the first annular sponge body (75), and the pressing component (77) comprises:
a pressing plate (771) arranged in the annular through groove (72), wherein the pressing plate (771) is positioned above the first annular sponge body (75);
the lower pressure rod (772) is vertically arranged above the pressing plate (771), the lower end of the lower pressure rod (772) is fixedly connected to the top surface of the pressing plate (771), and the lower pressure rod (772) penetrates through and is connected to the top of the annular body (71) in a sliding manner;
and a downward movement driving piece (773) arranged above the downward pressing rod (772) and used for driving the downward pressing rod (772) to move downward;
the downward movement driving member (773) includes:
a lower piston (7731) fixedly connected to the top end of the lower pressure rod (772);
A curved piston cylinder (7732) fixedly connected to the top surface of the annular body (71), wherein the lower piston (7731) is positioned in the lower end of the curved piston cylinder (7732);
an upper piston (7733) provided inside the upper end of the curved piston cylinder (7732);
a piston rod (7734) fixedly connected to the side wall of the upper piston (7733);
And a trigger (7735) for triggering movement of the piston rod (7734);
The trigger (7735) comprises:
The trigger rod (77351) is fixedly connected to the bottom of the blocking ring (54);
and the curved surface bulge (77352) is fixedly connected to the side wall of the trigger rod (77351), and the curved surface bulge (77352) can push the piston rod (7734) to move.
2. A semitrailer suspension mechanism testing apparatus as claimed in claim 1, wherein said hydraulic assembly (32) comprises:
The bearing tables (321) are arranged on two sides of the heightening table (2), the bottom surfaces of the bearing tables (321) are fixedly connected with the top surfaces of the bottom plates (1), and sliding grooves (322) are formed in the adjacent surfaces of the two bearing tables (321);
The movable body (323) vertically slides in the chute (322), and the side wall of the movable body (323) is fixedly connected with the side wall of the lifting plate (31);
And a hydraulic machine (324) arranged in the chute (322) and used for driving the moving body (323) to move in the chute (322).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410518579.4A CN118090254B (en) | 2024-04-28 | 2024-04-28 | Semitrailer suspension mechanism test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410518579.4A CN118090254B (en) | 2024-04-28 | 2024-04-28 | Semitrailer suspension mechanism test equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118090254A CN118090254A (en) | 2024-05-28 |
| CN118090254B true CN118090254B (en) | 2024-06-28 |
Family
ID=91157840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410518579.4A Active CN118090254B (en) | 2024-04-28 | 2024-04-28 | Semitrailer suspension mechanism test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118090254B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793738A (en) * | 2019-11-14 | 2020-02-14 | 湖北汽车工业学院 | Air spring static vertical stiffness testing device and method |
| CN115244122A (en) * | 2019-12-20 | 2022-10-25 | Gmt古米金属技术有限公司 | Article having a single-or multi-layer matrix with elastic properties, method for producing the article and use of aluminium hydroxide as reinforcing filler in rubber mixtures |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170010146A (en) * | 2015-07-15 | 2017-01-26 | 대원강업주식회사 | Apparatus for inspecting characteristic of air spring |
| CN208109368U (en) * | 2018-05-11 | 2018-11-16 | 东风德纳车桥有限公司 | A kind of air spring rigidity characteristic test apparatus |
| CN212482757U (en) * | 2020-06-15 | 2021-02-05 | 南京九九九气弹簧有限公司 | Gas spring elasticity detection device |
| CN213874870U (en) * | 2020-12-09 | 2021-08-03 | 青岛标达科技有限公司 | Air spring characteristic test bed |
| CN217453422U (en) * | 2021-11-22 | 2022-09-20 | 安徽红桥金属制造有限公司 | Air spring retrieves with rust cleaning equipment |
| CN218316134U (en) * | 2022-02-09 | 2023-01-17 | 四川福骏汽车制造有限公司 | Trailer air suspension damping device |
| CN218271290U (en) * | 2022-06-14 | 2023-01-10 | 泰兴市阿托木自动化设备有限公司 | A compress tightly equipment for air spring |
| CN116698452B (en) * | 2023-07-28 | 2023-10-31 | 山东首达汽车制造有限公司 | Semitrailer suspension performance testing device |
| CN117155278A (en) * | 2023-09-06 | 2023-12-01 | 常州市生生线缆有限公司 | Detection device and detection method for flexible aluminum alloy photovoltaic cable for energy storage |
| CN117240210A (en) * | 2023-10-12 | 2023-12-15 | 嘉兴南湖学院 | Handheld perovskite photovoltaic power generation equipment |
| CN117268658A (en) * | 2023-10-13 | 2023-12-22 | 深圳市烽炀科技实业有限公司 | Gasbag gas tightness detection device |
-
2024
- 2024-04-28 CN CN202410518579.4A patent/CN118090254B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793738A (en) * | 2019-11-14 | 2020-02-14 | 湖北汽车工业学院 | Air spring static vertical stiffness testing device and method |
| CN115244122A (en) * | 2019-12-20 | 2022-10-25 | Gmt古米金属技术有限公司 | Article having a single-or multi-layer matrix with elastic properties, method for producing the article and use of aluminium hydroxide as reinforcing filler in rubber mixtures |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118090254A (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7530264B2 (en) | Test apparatus for accelerated wheel and suspension component structural durability | |
| KR20000058074A (en) | Apparatus for measuring uniformity and/or dynamic-balance of wheeled tire | |
| CN111912704B (en) | New energy automobile tire static test system and test method | |
| CN107598531A (en) | For bushing to be loaded to the device of knuckle pin-and-hole | |
| CN118090254B (en) | Semitrailer suspension mechanism test equipment | |
| US3489198A (en) | Method and apparatus for mounting and removing pneumatic tires | |
| JP4224488B2 (en) | Nozzle device for sample preparation and dispensing | |
| US5415218A (en) | Device for removing tire from wheel | |
| CN111397923B (en) | New energy automobile tire performance detecting system | |
| CN202018362U (en) | Leakage tester capable of automatically clearing bubbles attached on hub | |
| US3792604A (en) | Shock absorber testing apparatus | |
| CN209214872U (en) | A kind of impact of pneumatic type, impact test equipment | |
| CN214067033U (en) | Efficient ultrasonic flaw detection device | |
| CN110509553B (en) | Industry intelligence 3D printer | |
| US3857276A (en) | Shock absorber testing apparatus | |
| CN113984534A (en) | Rock triaxial shear test device | |
| CN112798187A (en) | Air tightness batch test system for inner tubes of rubber tires of automobiles | |
| CN112985844A (en) | Positioning device for automobile detection | |
| CN117169039B (en) | Wear-resistant steel product wear-resistant testing device and method | |
| CN218566913U (en) | Tyre plunger and lip-removing testing machine | |
| CN218616113U (en) | Vehicle tyre dismounting device | |
| CN219608424U (en) | Truck side protector intensity detection platform | |
| CN214121624U (en) | Automatic change whole quick-witted capability test device | |
| CN217638381U (en) | Building material strength detection device | |
| CN115092715B (en) | Novel loading station flatcar ware |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |