CN116696896B - Hydraulic cylinder friction testing device - Google Patents
Hydraulic cylinder friction testing device Download PDFInfo
- Publication number
- CN116696896B CN116696896B CN202310942656.4A CN202310942656A CN116696896B CN 116696896 B CN116696896 B CN 116696896B CN 202310942656 A CN202310942656 A CN 202310942656A CN 116696896 B CN116696896 B CN 116696896B
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- test
- side plates
- wheel
- meshing
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 77
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000001125 extrusion Methods 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000009975 flexible effect Effects 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 3
- 230000001174 ascending effect Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/12—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element
- B65G17/123—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element arranged to keep the load-carriers horizontally during at least a part of the conveyor run
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a friction force testing device for a hydraulic cylinder, which relates to the technical field of friction force testing of the hydraulic cylinder, and comprises two side plates, wherein the bottom ends of the two side plates are vertically and fixedly provided with two support columns, the lifting height of the hydraulic cylinder to be tested can be pushed by a plurality of ascending support rods to be no longer contacted with a transverse auxiliary sliding mechanism below, at the moment, the lifting height is supported by a plurality of support rods, and the universal wheels at the bottom of a conveying device are finally extruded, limited and fixed through a related transmission structure while the lifting rods ascend, so that the limiting and fixing of the whole device is rapidly completed.
Description
Technical Field
The invention relates to the technical field of friction force testing of hydraulic cylinders, in particular to a friction force testing device of a hydraulic cylinder.
Background
The hydraulic cylinder comprises a cylinder body and a piston, the piston is slidably arranged in the cylinder body, and the extension and retraction of the piston are realized through oil liquid on two sides of the piston so as to drive equipment connected with the piston rod. In order to ensure the quality of the hydraulic cylinder, a friction test is required before the hydraulic cylinder leaves the factory to verify the straightness and roundness of the piston rod and the inner wall of the cylinder barrel.
The invention patent of the issued publication number CN105952715B describes that a bracket is of a cross structure, sliding grooves are formed in branches of each cross structure, a supporting leg is arranged in each sliding groove in a limiting sliding manner, the horizontal position of the supporting leg in the sliding groove can be set through the tightness adjustment of a corresponding adjusting nut, the vertical position of the supporting leg in the sliding groove can also be adjusted, the bracket can be matched with hydraulic cylinders of different specifications for testing, in addition, a tension pressure sensor arranged on the bracket and used for loading the lower end of the hydraulic cylinder and a displacement sensor arranged on the upper end of the hydraulic cylinder respectively detect the displacement and the tension pressure of a piston of the hydraulic cylinder to be tested, and then the data are transmitted into a computer to be stored, analyzed and drawn into a displacement-time curve and a friction force-displacement curve by the computer;
although the friction force of the hydraulic cylinder can be tested, the operation of the hydraulic cylinder to be tested such as the in-out production line, the position deviation adjustment and the like is inconvenient, the operation of the related matched steps of the test is complex, the friction force test of the hydraulic cylinders with large number is inconvenient, and the problem of low test efficiency exists.
Disclosure of Invention
The invention aims to provide a hydraulic cylinder friction force testing device which aims to solve the technical problems in the background art.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a pneumatic cylinder frictional force testing arrangement, includes two curb plates, two the equal perpendicular fixed mounting in bottom of curb plate has two support columns, four the universal wheel is all rotated to the lower bottom of support column, four the equal fixed mounting in top of universal wheel rotates the footstock, four rotate the footstock and embed respectively and rotate the bottom of installing at corresponding support column, two encircle the operation between the curb plate and have a plurality of horizontal auxiliary sliding mechanism, two go up and down the activity between the curb plate is provided with a plurality of bracing pieces, four equal lift sliding mounting in support column inner chamber bottom has the extrusion base, four the extrusion base is inconsistent with the corresponding rotation footstock respectively and is set up, two the top of curb plate all is provided with the stripper plate, two the stripper plate stretches out and draws back the slip in opposite directions and sets up, two the top of stripper plate sets up the test seat, the perpendicular fixed mounting test pneumatic cylinder in top of test seat, the output connection test rod of test pneumatic cylinder, install pressure sensor between test rod and the input of test pneumatic cylinder.
As a further scheme of the invention: two all be provided with the cavity in the curb plate, two the ring channel has all been seted up to the cavity all runs through the lateral wall of curb plate, two all rotate two rotation wheels of installation in the cavity, one of them rotation wheel's one side centre of a circle position vertical fixed connection drive shaft is located same two rotation wheels in the cavity overlap jointly and are equipped with the drive belt, two the equal vertical fixed connection of drive belt opposite one side has a plurality of specifications unanimous and equidistant connecting axle that distributes, two parallel equal vertical fixed mounting has the reinforcing axle between the support column.
As a further scheme of the invention: one of them the lateral wall fixed mounting servo motor of curb plate, servo motor's output runs through corresponding curb plate, stretches into in the corresponding cavity, and with drive shaft fixed connection.
As a further scheme of the invention: the transverse auxiliary sliding mechanism comprises a supporting seat, the supporting seat is consistent in specification and distributed at equal intervals, the supporting seat is provided with connecting shafts which are vertically and fixedly arranged at two ends, the supporting seat is provided with a penetrating cavity at the top end of the supporting seat, the two opposite inner cavity walls of the penetrating cavity are rotatably provided with a plurality of rotating rollers, the rotating rollers in the penetrating cavity are sleeved with a belt together, and the bottom heights of the belt are larger than the heights of the top ends of the corresponding supporting seats.
As a further scheme of the invention: the lifting device comprises a lifting platform, a plurality of supporting shafts are vertically and fixedly arranged at the top ends of the lifting platform, supporting rods are vertically and fixedly arranged at the four corners of the lower bottom of the lifting platform, rotating mounting gears are embedded at the bottom ends of the supporting rods, outer annular walls of the gears are also meshed with mounting racks, and extrusion bases are fixedly arranged at the bottom ends of the racks.
As a further scheme of the invention: the utility model discloses a support plate, including support plate, connecting rod, four, equal perpendicular fixedly connected with installation pole between the opposite outer lateral wall of support plate, four installation pole is kept away from support plate one end and is perpendicular fixed mounting respectively in the inside wall of corresponding curb plate, the perpendicular fixed mounting in top of screw thread axle has circular dog, two the connecting rod passes the drive belt that corresponds respectively, four the equal lift activity in the end setting of connecting rod corresponds the support column, four equidistant fixed mounting of bottom lateral wall of connecting rod a plurality of meshing teeth, four the connecting rod is all installed with the gear engagement that corresponds respectively through a plurality of meshing teeth.
As a further scheme of the invention: two the top of curb plate all is provided with centering adjustment mechanism, two centering adjustment mechanism all includes the receiver, two the equal fixed mounting in one side center is kept away from mutually to the receiver has a receiver, and is a plurality of equal slidable mounting has the telescopic link in the receiver, two the top fixed mounting of telescopic link a plurality of meshing strips, two the bottom of telescopic link is all embedded to roll and is installed a plurality of gyro wheels, two the square dog of equal perpendicular fixed mounting in one side in telescopic link opposite directions, two the equal perpendicular fixed mounting in one side in square dog opposite directions has the spring, two the stripper plate is all installed to spring opposite one end.
As a further scheme of the invention: the bottom of test seat is two stand equal perpendicular fixed mounting, four the equal perpendicular fixed mounting in the top of corresponding curb plate of bottom of stand, a plurality of meshing arriss are all installed to the opposite outer lateral wall of test rod.
As a further scheme of the invention: the test seat is internally provided with two transmission mechanisms, each transmission mechanism comprises a main meshing wheel, the circle centers of one side of each main meshing wheel are fixedly provided with a first transmission wheel, one side of each main meshing wheel is provided with a second transmission wheel, a first encircling band is sleeved between each second transmission wheel and the corresponding first transmission wheel, the circle centers of one side of each second transmission wheel are fixedly provided with a third transmission wheel, the lower parts of the two third transmission wheels are respectively provided with a fourth transmission wheel, one side of each fourth transmission wheel is fixedly provided with a secondary meshing wheel, each secondary meshing wheel is respectively meshed with a plurality of corresponding meshing strips, and a second encircling band is sleeved between each third transmission wheel and the corresponding fourth transmission wheel.
As a further scheme of the invention: the PLC is embedded and installed on the outer side wall of one side plate, and the PLC is connected with the servo motor, the driving motor, the test hydraulic cylinder and the pressure sensor in a signal mode.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the conveyor is used as a main body for transformation, the conveyor belt of the conveyor is changed into two driving belts, a plurality of transverse auxiliary sliding mechanisms are arranged between the two driving belts, and the hydraulic cylinder to be tested is vertically and vertically arranged on a plurality of corresponding transverse auxiliary sliding mechanisms, so that the hydraulic cylinder to be tested can move to a test point at a uniform speed along with the linear displacement of the transverse auxiliary sliding mechanisms, a plurality of supporting rods capable of lifting are arranged at the test point, the lifting height of the hydraulic cylinder to be tested can be pushed to be no longer contacted with the transverse auxiliary sliding mechanisms below through the lifting rods, at the moment, the hydraulic cylinder to be tested is supported through the supporting rods, and the universal wheels at the bottom of the conveying equipment are finally extruded, limited and fixed through the related driving structures while the lifting rods are lifted, so that the limiting and fixing of the whole device are rapidly completed, and the hydraulic cylinder lifting device has the characteristics of convenience in use;
2. set up centering adjustment mechanism respectively in the both sides of awaiting measuring the point, centering adjustment mechanism mainly includes two stripper plates that can subtend flexible activity, contact with the pneumatic cylinder that awaits measuring through the stripper plate, and the cooperation is awaiting measuring the horizontal auxiliary sliding mechanism that the pneumatic cylinder below was placed, can make to place the pneumatic cylinder that awaits measuring in the middle originally all by promoting the central point department, and when the test pneumatic cylinder of awaiting measuring the point top starts the back, promote the below test lever decline and await measuring the pneumatic cylinder piston rod conflict, can finally drive two pair meshing wheels synchronous revolution through drive mechanism, and two pair meshing wheels are again with a plurality of meshing strip meshing connection on the stripper plate rear telescopic link, consequently, just can realize the centering adjustment of awaiting measuring the pneumatic cylinder and two step synchronous going on of test lever's of testing of pushing down, further have the characteristics that improve efficiency of software testing.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the mounting structure of the lateral auxiliary sliding mechanism of the present invention;
FIG. 3 is a schematic view of a lateral auxiliary sliding mechanism according to the present invention;
FIG. 4 is a schematic view of the mounting structure of the push brake mechanism of the present invention;
FIG. 5 is a schematic view of a push brake mechanism according to the present invention;
FIG. 6 is a schematic view of the centering mechanism of the present invention;
FIG. 7 is a schematic view of the mounting structure of the transmission mechanism of the present invention;
fig. 8 is a schematic diagram of the structure of the transmission mechanism of the present invention.
In the figure: 1. a side plate; 11. an annular groove; 12. a rotating wheel; 13. a drive shaft; 14. a transmission belt; 15. a connecting shaft; 16. a support column; 17. a reinforcing shaft; 18. a universal wheel; 19. rotating the top seat; 2. a servo motor; 3. a lateral auxiliary sliding mechanism; 31. a support base; 32. a through cavity; 33. a rotating roller; 34. a belt; 4. a pushing braking mechanism; 41. a carrier plate; 42. a mounting rod; 43. a driving motor; 44. a threaded shaft; 45. a lifting table; 46. a circular stop; 47. a support shaft; 48. a support rod; 49. a connecting rod; 410. a gear; 411. a rack; 412. extruding a base; 5. a centering adjustment mechanism; 51. a storage seat; 52. a storage barrel; 53. a telescopic rod; 54. a meshing strip; 55. a roller; 56. square stop blocks; 57. a spring; 58. an extrusion plate; 6. a test seat; 61. a column; 62. testing a hydraulic cylinder; 63. a test rod; 64. a pressure sensor; 65. engagement edges; 7. a transmission mechanism; 71. a main engagement wheel; 72. a first driving wheel; 73. a second driving wheel; 74. a first endless belt; 75. a third driving wheel; 76. a fourth driving wheel; 77. an auxiliary engagement wheel; 78. a second endless belt; 8. and a PLC controller.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-8, a hydraulic cylinder friction force testing device comprises two side plates 1, two support columns 16 are vertically and fixedly installed at the bottom ends of the two side plates 1, universal wheels 18 are rotatably installed at the lower bottoms of the four support columns 16, rotary footstands 19 are fixedly installed at the top ends of the four universal wheels 18, the four rotary footstands 19 are respectively embedded and rotatably installed at the bottoms of the corresponding support columns 16, a plurality of transverse auxiliary sliding mechanisms 3 are arranged between the two side plates 1 in a surrounding mode, a plurality of support rods 48 are movably arranged in a lifting mode between the two side plates 1, extrusion bases 412 are installed at the bottoms of inner cavities of the four support columns 16 in a lifting and sliding mode, the four extrusion bases 412 are respectively in contact with the corresponding rotary footstands 19 in a propping mode, extrusion plates 58 are arranged above the two side plates 1, two extrusion plates 58 are in a telescopic and sliding mode in opposite directions, a testing seat 6 is arranged above the two extrusion plates 58, a testing hydraulic cylinder 62 is vertically and fixedly installed at the top ends of the testing seat 6, an output end of the testing hydraulic cylinder 62 is connected with a testing rod 63, a pressure sensor 64 is installed between the testing rod 63 and an input end of the testing hydraulic cylinder 62, and the pressure sensor 64 can be continuously used for calculating the maximum friction force of a PLC 8 to be measured;
as shown in fig. 2, particularly, cavities are formed in the two side plates 1, annular grooves 11 are formed in the two cavities penetrating through the outer side walls of the side plates 1, two rotating wheels 12 are rotatably mounted in the two cavities, the center position of one side of one rotating wheel 12 is vertically and fixedly connected with a driving shaft 13, two rotating wheels 12 in the same cavity are sleeved with a driving belt 14, the width of the driving belt 14 is consistent with the width of the rotating wheel 12, the full contact tensioning is ensured, a plurality of connecting shafts 15 with consistent specification and equidistant distribution are vertically and fixedly connected to the opposite sides of the two driving belts 14, a reinforcing shaft 17 is vertically and fixedly mounted between the two parallel support columns 16, a servo motor 2 is fixedly mounted on the outer side wall of one side plate 1, the output end of the servo motor 2 penetrates through the corresponding side plate 1 and stretches into the corresponding cavity, and is fixedly connected with the driving shaft 13, the servo motor 2 can be controlled by a PLC controller 8 to drive the rotating speed, the hydraulic cylinder to be measured is adjusted to be operated at a speed, and the production line is matched to operate;
as shown in fig. 2-3, more particularly, the plurality of transverse auxiliary sliding mechanisms 3 each include a supporting seat 31, the plurality of supporting seats 31 are identical in specification and distributed at equal intervals, two ends of the plurality of supporting seats 31 are vertically and fixedly provided with connecting shafts 15, the top ends of the plurality of supporting seats 31 penetrate through the bottom ends to form penetrating cavities 32, two opposite inner cavity walls of the plurality of penetrating cavities 32 are rotatably provided with a plurality of rotating rollers 33, the plurality of rotating rollers 33 in the same penetrating cavity 32 are sleeved with a belt 34 together, the bottom ends of the plurality of belts 34 are higher than the top ends of the corresponding supporting seats 31, so that the penetrating cavities 32 are exposed at the top ends of the belts 34, and therefore, when a hydraulic cylinder to be tested is placed on the belt 34, the hydraulic cylinder to be tested is not contacted with the corresponding supporting seats 31, and sliding abrasion is avoided;
as shown in fig. 4-5, in particular, a pushing brake mechanism 4 is arranged between two side plates 1, the pushing brake mechanism 4 comprises a carrier plate 41, the carrier plate 41 is arranged between two side plates 1, a driving motor 43 is fixedly arranged at the bottom end of the carrier plate 41, the output end of the driving motor 43 is connected with a threaded shaft 44, an outer shaft wall of the threaded shaft 44 is sheathed with a lifting table 45, the lifting table 45 is limited by a connecting rod 49, so that the lifting table can only lift, the top end of the lifting table 45 is vertically and fixedly provided with a plurality of supporting shafts 47, the top ends of the two parallel supporting shafts 47 are vertically and fixedly provided with supporting rods 48 together, the plurality of supporting rods 48 just penetrate through gaps between two adjacent supporting seats 31, the connecting rods 49 are vertically and fixedly arranged at four corners of the lower bottom of the lifting table 45, the bottom ends of the four supporting columns 16 are embedded into a rotary mounting gear 410, the outer annular walls of the four gears 410 are also meshed with the mounting racks 411, the bottom ends of the four racks 411 are fixedly provided with the extrusion bases 412, because the specification of the hydraulic cylinder to be tested is that the supporting rods 48 push the lifting height of the hydraulic cylinder to be tested, and the descending height of the four extrusion bases 412 are fixed, thereby completely realizing automatic mechanical operation, the mounting rods 42 are vertically and fixedly connected between the two opposite outer side walls of the carrier plate 41, one ends of the four mounting rods 42 far away from the carrier plate 41 are respectively and fixedly arranged on the inner side walls of the corresponding side plates 1, the top ends of the threaded shafts 44 are vertically and fixedly provided with the round stop blocks 46, the two connecting rods 49 respectively penetrate through the corresponding driving belts 14, the tail ends of the four connecting rods 49 are respectively and fixedly provided with a plurality of meshing teeth at equal intervals in the corresponding supporting columns 16, the four connecting rods 49 are respectively meshed with the corresponding gears 410 through a plurality of meshing teeth;
as shown in fig. 6-7, more particularly, the top ends of the two side plates 1 are respectively provided with a centering adjusting mechanism 5, the two centering adjusting mechanisms 5 respectively comprise a containing seat 51, the centers of one sides of the two containing seats 51 far away from each other are respectively fixedly provided with a containing barrel 52, a plurality of containing barrels 52 are respectively internally provided with a telescopic rod 53 in a sliding manner, the top ends of the two telescopic rods 53 are fixedly provided with a plurality of meshing strips 54, the bottom ends of the two telescopic rods 53 are respectively embedded and provided with a plurality of rollers 55 in a rolling manner, the rollers 55 can enable the telescopic rods 53 to be less in abrasion in the telescopic sliding process, the friction force is reduced, one sides of the two telescopic rods 53 opposite to each other are respectively vertically and fixedly provided with a square stop block 56, one sides of the two square stop blocks 56 opposite to each other are respectively vertically and fixedly provided with a spring 57, the spring 57 has a deformation buffering function, if the test rod 63 is not in contact with the top of the piston rod of the hydraulic cylinder to be tested, and the two extrusion plates 58 are in contact with the hydraulic cylinder to be tested, at the moment, the descending of the test rod 63 and the opposite extrusion of the extrusion plates 58 can be ensured to operate smoothly and synchronously through the buffering of the springs 57, the extrusion plates 58 are arranged at the opposite ends of the two springs 57, the contact surface of the extrusion plates 58 is of a V-shaped design, the hydraulic cylinder to be tested has a centering adjusting function, the two upright posts 61 are vertically and fixedly arranged at the lower bottom of the test seat 6, the two accommodating seats 51 are respectively and fixedly arranged between the two corresponding upright posts 61, the bottom ends of the four upright posts 61 are vertically and fixedly arranged at the top ends of the corresponding side plates 1, and a plurality of engaging ribs 65 are arranged at the opposite outer side walls of the test rod 63;
as shown in fig. 7-8, in particular, two transmission mechanisms 7 are installed in the test seat 6, each transmission mechanism 7 comprises a main meshing wheel 71, a first transmission wheel 72 is fixedly installed at the center of one side of each main meshing wheel 71, a second transmission wheel 73 is arranged at one side of each main meshing wheel 71, a first circumferential belt 74 is sleeved between each second transmission wheel 73 and the corresponding first transmission wheel 72, a third transmission wheel 75 is fixedly installed at the center of one side of each second transmission wheel 73, a fourth transmission wheel 76 is arranged below each third transmission wheel 75, auxiliary meshing wheels 77 are fixedly installed at one side of each fourth transmission wheel 76, each auxiliary meshing wheel 77 is respectively meshed with a plurality of corresponding meshing strips 54, a second circumferential belt 78 is sleeved between each third transmission wheel 75 and each corresponding fourth transmission wheel 76, and the synchronous extrusion operation of the test rod 63 and the extrusion plate 58 can be realized through the descending of the transmission mechanism 7;
as shown in fig. 1, particularly, the outer side wall of one side plate 1 is embedded with a PLC controller 8, and the PLC controller 8 is connected with the servo motor 2, the driving motor 43, the test hydraulic cylinder 62 and the pressure sensor 64 in a signal manner, so that the control elements are conveniently and intensively controlled and adjusted, and the full automation of the test process is realized.
The working principle of the invention is as follows:
firstly, a servo motor 2 is started through a PLC 8, a driving shaft 13 drives a corresponding rotating wheel 12 to rotate, and then a corresponding driving belt 14 is driven to start to rotate in a surrounding mode, because a plurality of transverse auxiliary sliding mechanisms 3 are connected between the two driving belts 14 through a plurality of connecting shafts 15, the transverse auxiliary sliding mechanisms 3 can synchronously rotate in a surrounding mode according to the movement track of the driving belts 14, the bottom of a hydraulic cylinder to be tested is placed on one or a plurality of transverse auxiliary sliding mechanisms 3 at the end portions of two side plates 1, namely, the hydraulic cylinder to be tested is placed on a plurality of transversely arranged belts 34 below the two side plates, and at the moment, the hydraulic cylinder to be tested can be uniformly moved to the position below a test seat 6;
the second step, at this time, the driving motor 43 is started by the PLC controller 8 to drive the threaded shaft 44 to rotate, so that the lifting platform 45 which is sleeved on the outer shaft wall of the threaded shaft 44 is lifted, and a plurality of supporting rods 48 installed at the top of the lifting platform 45 are driven to lift, when a plurality of supporting rods 48 penetrate out from between two adjacent supporting seats 31, the hydraulic cylinder to be tested originally placed above the belt 34 can be pushed and jacked, and along with the lifting platform 45 lifting, the lower four connecting rods 49 are driven to synchronously lift, the tail ends of the four connecting rods 49 are meshed with the mounting gears 410, the gears 410 are meshed with the mounting racks 411, so that the racks 411 are driven to slide downwards, and then the universal wheels 18 cannot be horizontally rotated in a manner of extrusion and interference through corresponding extrusion bases 412, when the moving directions of the universal wheels 18 are inconsistent (the moving directions of the four universal wheels 18 are changed through horizontal shaking), the whole testing device can be quickly kept stable, and the operating steps are reduced, and the operating efficiency is improved;
thirdly, the test hydraulic cylinder 62 is started to push the test rod 63 to descend through the PLC controller 8, when the bottom of the test rod 63 is propped against the top of the piston rod of the hydraulic cylinder to be tested, the reverse acting force of the piston rod of the hydraulic cylinder to be tested is transmitted to the test rod 63, the test rod 63 is connected with the output end of the test hydraulic cylinder 62 through the pressure sensor 64, so that the pressure sensor 64 starts to continuously detect the received feedback pressure, the driving thrust of the piston rod of the test hydraulic cylinder 62 is known and determined (the pressure in the oil cavity is known to be detected and controlled by the PLC controller 8), when the piston rod of the hydraulic cylinder to be tested is forced to push and start to press down, the maximum peak value is obtained through the pressure sensor 64, the peak value is subtracted by the thrust provided by the current test hydraulic cylinder 62, the maximum static friction force of the test hydraulic cylinder 62 is known, and the average sliding friction force of the test hydraulic cylinder 62 is known by subtracting the average continuous force value from the thrust provided by the current test hydraulic cylinder 62;
fourth, when the test rod 63 descends, the engaging ribs 65 disposed on two sides of the test rod 63 descend synchronously, and drive the corresponding main engaging wheel 71 to rotate, and then drive the first driving wheel 72 to rotate, so that the second driving wheel 73 is rotated by the transmission of the first circumferential belt 74, and the third driving wheel 75 is rotated, and the fourth driving wheel 76 is rotated by the transmission of the second circumferential belt 78, and further, the auxiliary engaging wheels 77 are rotated, and the two auxiliary engaging wheels 77 are engaged with the corresponding engaging strips 54, so that synchronous opposite sliding of the telescopic rods 53 below can be realized, and then the corresponding pressing plates 58 are pushed to approach and press contact with the hydraulic cylinders to be tested, so that the hydraulic cylinders to be tested are forced to move to the central position on the belt 34, and the test rod 63 can push the interference test conveniently.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (2)
1. The utility model provides a hydraulic cylinder friction testing arrangement, includes two curb plate (1), two the bottom of curb plate (1) is all perpendicular fixed mounting has two support column (16), four the lower bottom of support column (16) is all rotated and is installed universal wheel (18), its characterized in that, four the top of universal wheel (18) is all fixed mounting has rotation footstock (19), four rotation footstock (19) are embedded respectively and are rotated the bottom of installing at corresponding support column (16), two encircle the operation between curb plate (1) and have a plurality of horizontal auxiliary sliding mechanism (3), two go up and down between curb plate (1) the activity is provided with a plurality of bracing pieces (48), four support column (16) inner chamber bottom all goes up and down to slide and installs extrusion base (412), four extrusion base (412) all are provided with stripper plate (58) with the looks flexible slip setting in opposite directions with the top of corresponding rotation footstock (19), two stripper plate (58) are gone up the top of stripper plate (58) is provided with test cylinder (62) test cylinder (6) is installed in a fixed connection's test cylinder (63), a pressure sensor (64) is arranged between the test rod (63) and the input end of the test hydraulic cylinder (62);
the two side plates (1) are internally provided with cavities, annular grooves (11) are formed in the cavities by penetrating through the outer side walls of the side plates (1), two rotating wheels (12) are rotatably installed in the cavities, one of the rotating wheels (12) is vertically and fixedly connected with a driving shaft (13) at the center of a circle, the two rotating wheels (12) positioned in the same cavity are jointly sleeved with a driving belt (14), one side, opposite to the driving belt (14), of each driving belt is vertically and fixedly connected with a plurality of connecting shafts (15) with consistent specification and equidistant distribution, and reinforcing shafts (17) are vertically and fixedly installed between two parallel supporting columns (16);
one of them the lateral wall fixed mounting servo motor (2) of curb plate (1), the output of servo motor (2) runs through corresponding curb plate (1), stretches into in corresponding cavity, and with drive shaft (13) fixed connection, a plurality of horizontal auxiliary sliding mechanism (3) all include supporting seat (31), a plurality of supporting seat (31) specification is unanimous and equidistant distributes, a plurality of the both ends of supporting seat (31) are all perpendicular fixed mounting connecting axle (15), a plurality of run-through chamber (32) have been seted up to the top of supporting seat (31), a plurality of run-through chamber (32) two opposite inner chamber walls all rotate and install a plurality of live-rollers (33), same a plurality of live-rollers (33) in running-through chamber (32) suit a belt (34) jointly, a plurality of belt (34) bottom height is all greater than corresponding supporting seat (31) top height;
a pushing braking mechanism (4) is arranged between the two side plates (1), the pushing braking mechanism (4) comprises a carrier plate (41), the carrier plate (41) is arranged between the two side plates (1), a driving motor (43) is fixedly installed at the bottom end of the carrier plate (41), an output end of the driving motor (43) is connected with a threaded shaft (44), an elevating platform (45) is sleeved on an outer shaft wall threaded sleeve of the threaded shaft (44), a plurality of support shafts (47) are vertically and fixedly installed at the top ends of the elevating platform (45), a supporting rod (48) is vertically and fixedly installed at the top ends of the two side shafts (47) in parallel, a connecting rod (49) is vertically and fixedly installed at the four corners of the lower bottom of the elevating platform (45), a rotating installation gear (410) is embedded at the bottom ends of the four support columns (16), an outer ring wall of the gear (410) is also meshed with a mounting rack (411), an extruding base (412) is fixedly installed at the bottom end of the four outer ring wall of the gear (411), a plurality of the two side plates (41) are vertically and fixedly connected with a plurality of support rods (42) between the side walls of the two side plates (41) and are vertically and fixedly installed at the corresponding inner side plates (46) and fixedly installed at the top ends of the two side plates (46), the two connecting rods (49) respectively penetrate through corresponding driving belts (14), the tail ends of the four connecting rods (49) are respectively arranged in corresponding supporting columns (16) in a lifting and moving mode, a plurality of meshing teeth are fixedly arranged on the outer side walls of the bottom ends of the four connecting rods (49) at equal intervals, and the four connecting rods (49) are respectively meshed with corresponding gears (410) through the plurality of meshing teeth;
the top ends of the two side plates (1) are respectively provided with a centering adjusting mechanism (5), the two centering adjusting mechanisms (5) respectively comprise a storage seat (51), the centers of one sides, far away from each other, of the storage seats (51) are respectively fixedly provided with a storage barrel (52), a plurality of storage barrels (52) are respectively internally provided with a telescopic rod (53) in a sliding manner, the tops of the two telescopic rods (53) are fixedly provided with a plurality of meshing strips (54), the bottoms of the two telescopic rods (53) are respectively embedded into a plurality of rolling wheels (55), the sides, opposite to each other, of the telescopic rods (53) are respectively vertically and fixedly provided with a square stop block (56), the sides, opposite to each other, of the square stop blocks (56) are respectively and vertically fixedly provided with a spring (57), and one ends, opposite to each other, of the springs (57) are respectively provided with a squeezing plate (58);
two stand columns (61) are vertically and fixedly arranged at the lower bottoms of the test seats (6), two storage seats (51) are respectively and fixedly arranged between the two corresponding stand columns (61), the bottom ends of the four stand columns (61) are vertically and fixedly arranged at the top ends of the corresponding side plates (1), and a plurality of engaging edges (65) are arranged on the opposite outer side walls of the test rods (63);
two transmission mechanisms (7) are arranged in the test seat (6), each transmission mechanism (7) comprises a main meshing wheel (71), each circle center on one side of each main meshing wheel (71) is fixedly provided with a first transmission wheel (72), each side of each main meshing wheel (71) is provided with a second transmission wheel (73), a first encircling band (74) is sleeved between each second transmission wheel (73) and the corresponding first transmission wheel (72), each circle center on one side of each second transmission wheel (73) is fixedly provided with a third transmission wheel (75), each circle center on one side of each third transmission wheel (75) is provided with a fourth transmission wheel (76), each side of each fourth transmission wheel (76) is fixedly provided with a pair of meshing wheels (77), each pair of auxiliary meshing wheels (77) is respectively meshed with a plurality of corresponding meshing strips (54), and each pair of third transmission wheels (75) and each corresponding fourth transmission wheel (76) is sleeved with a second encircling band (78).
2. The hydraulic cylinder friction testing device according to claim 1, wherein a PLC controller (8) is embedded and installed on the outer side wall of one side plate (1), and the PLC controller (8) is in signal connection with a servo motor (2), a driving motor (43), a testing hydraulic cylinder (62) and a pressure sensor (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310942656.4A CN116696896B (en) | 2023-07-31 | 2023-07-31 | Hydraulic cylinder friction testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310942656.4A CN116696896B (en) | 2023-07-31 | 2023-07-31 | Hydraulic cylinder friction testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116696896A CN116696896A (en) | 2023-09-05 |
| CN116696896B true CN116696896B (en) | 2023-11-07 |
Family
ID=87824225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310942656.4A Active CN116696896B (en) | 2023-07-31 | 2023-07-31 | Hydraulic cylinder friction testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116696896B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117090833B (en) * | 2023-10-19 | 2024-01-30 | 烟台星辉劳斯堡液压机械有限公司 | A place testing arrangement for pneumatic cylinder production line |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08268538A (en) * | 1995-03-31 | 1996-10-15 | Kawasaki Heavy Ind Ltd | Carrying-out/carrying-in equipment |
| US6343690B1 (en) * | 1999-10-18 | 2002-02-05 | Coulter International Corp. | Specimen carrier for automated transport system and method and apparatus for identifying same |
| CN203275268U (en) * | 2013-04-10 | 2013-11-06 | 浙江工业大学 | Device for testing frictional force of frictionless cylinder |
| CN105952715A (en) * | 2016-07-12 | 2016-09-21 | 天津优瑞纳斯液压机械有限公司 | Testing device for friction force of hydraulic cylinder |
| CN205787033U (en) * | 2016-06-29 | 2016-12-07 | 浙江德宏汽车电子电器股份有限公司 | A kind of field frame assembly performance auxiliary test unit |
| CN206804196U (en) * | 2017-04-26 | 2017-12-26 | 安庆帝伯格茨活塞环有限公司 | A kind of fired state lower piston component and cylinder sleeve friction testing device |
| CN110779648A (en) * | 2019-09-02 | 2020-02-11 | 江苏大学 | Cylinder friction force testing device and method |
-
2023
- 2023-07-31 CN CN202310942656.4A patent/CN116696896B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08268538A (en) * | 1995-03-31 | 1996-10-15 | Kawasaki Heavy Ind Ltd | Carrying-out/carrying-in equipment |
| US6343690B1 (en) * | 1999-10-18 | 2002-02-05 | Coulter International Corp. | Specimen carrier for automated transport system and method and apparatus for identifying same |
| CN203275268U (en) * | 2013-04-10 | 2013-11-06 | 浙江工业大学 | Device for testing frictional force of frictionless cylinder |
| CN205787033U (en) * | 2016-06-29 | 2016-12-07 | 浙江德宏汽车电子电器股份有限公司 | A kind of field frame assembly performance auxiliary test unit |
| CN105952715A (en) * | 2016-07-12 | 2016-09-21 | 天津优瑞纳斯液压机械有限公司 | Testing device for friction force of hydraulic cylinder |
| CN206804196U (en) * | 2017-04-26 | 2017-12-26 | 安庆帝伯格茨活塞环有限公司 | A kind of fired state lower piston component and cylinder sleeve friction testing device |
| CN110779648A (en) * | 2019-09-02 | 2020-02-11 | 江苏大学 | Cylinder friction force testing device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116696896A (en) | 2023-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116696896B (en) | Hydraulic cylinder friction testing device | |
| CN207142045U (en) | The overweight big automatic stored device of plane object of overlength | |
| CN210359055U (en) | Nickel alloy steel plate forging machine tool | |
| CN220055404U (en) | Novel automatic feeding mechanism | |
| CN212445129U (en) | Adjustable electromechanical mounting device | |
| CN210635673U (en) | Novel lifting structure of tractor | |
| CN117184941B (en) | Container movable loading and unloading device for logistics transportation and application method thereof | |
| CN110695679A (en) | Large-scale compensation formula spiale connection assembly device | |
| CN221139638U (en) | Automatic translation rack | |
| CN112145171B (en) | Hydraulic mechanical arm convenient to mount and dismount in underground coal mine | |
| CN112453890B (en) | Piston rod assembling device | |
| CN110540147A (en) | front axle running-in test bed lifting mechanism | |
| CN114834511B (en) | Elevator weight intelligent loading and unloading trolley | |
| CN210967773U (en) | Large-scale compensation formula spiale connection assembly device | |
| CN221420556U (en) | But rotation regulation formula climbing machine | |
| CN219031521U (en) | Portal frame for building construction | |
| CN216229132U (en) | Harmless efficient plunger pump dismouting platform | |
| CN115506605B (en) | Intelligent mechanical synchronous falling frame device | |
| CN220201332U (en) | Lifting equipment for capital construction engineering | |
| CN220999109U (en) | Elevator with limit structure | |
| CN114229738B (en) | Autonomous intelligent vehicle lifting platform | |
| CN220145049U (en) | Cantilever ground rail | |
| CN219620820U (en) | Hydraulic drive elevating gear | |
| CN218402416U (en) | Transfer machine | |
| CN219429089U (en) | Jacking rotary mechanism of tray |
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 | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 264006 No. 6, Beijing South Road, development zone, Yantai City, Shandong Province Patentee after: Shandong Xinghui Hydraulic Equipment Co.,Ltd. Address before: 264006 No. 6, Beijing South Road, development zone, Yantai City, Shandong Province Patentee before: Yantai Xinghui LOUSBERG Hydraulic Machinery Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |