CN114582194A - Improved electro-hydraulic system training platform - Google Patents
Improved electro-hydraulic system training platform Download PDFInfo
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- CN114582194A CN114582194A CN202210272809.4A CN202210272809A CN114582194A CN 114582194 A CN114582194 A CN 114582194A CN 202210272809 A CN202210272809 A CN 202210272809A CN 114582194 A CN114582194 A CN 114582194A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
- G09B25/025—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery hydraulic; pneumatic
Abstract
The invention relates to the technical field of teaching experimental equipment, in particular to an improved electro-hydraulic system training platform which comprises a rack, a fixed platform, a supporting unit, a movable platform and a weighting unit, wherein the fixed platform is fixedly arranged on the rack; the existing practical training platform has the following problems: the whole training platform needs to be correspondingly disassembled and assembled according to experimental requirements, so that the hydraulic system is relatively complicated to disassemble and assemble, and certain potential safety hazards exist; the number of hydraulic systems which can be provided by the practical training platform is limited, so that the practical training platform is lack of diversity; different experimental results can be provided through the matching of the hydraulic cylinder and the sliding block, and the disassembly and the assembly of the hydraulic cylinder and the sliding block can be avoided, so that potential safety hazards can be avoided; according to the invention, different detection results can be obtained by changing the inclination angle of the hydraulic cylinder, the position of the sliding block on the guide rail and the weight applied to the movable platform, so that the detection diversity of the invention can be improved.
Description
Technical Field
The invention relates to the technical field of teaching experiment equipment, in particular to an improved electro-hydraulic system training platform.
Background
The electro-hydraulic system is a hydraulic control system taking a servo element as a control core, and generally comprises a command device, a controller, an amplifier, a hydraulic source, the servo element, an execution element, a feedback sensor and a load; the electro-hydraulic system can play an important role in industrial production, so that the electro-hydraulic system can be integrated into experimental teaching for students to improve the practical ability of the students.
Contain hydraulic module among the electricity liquid system, and present hydraulic module is mostly single model when the purchase, consequently is unfavorable for the student to master engineering machine tool hydraulic system comprehensive knowledge and ability, and the hydraulic system who arranges on the complete machine also is more concealed, is unfavorable for student's dismouting to overhaul study.
To the problem that foretell complete machine is unfavorable for student's dismouting to overhaul study, prior art provides corresponding solution, for example: the Chinese patent application with the publication number of CN105761605A discloses a hydraulic training platform for engineering machinery, which can be used for repeatedly assembling different hydraulic systems according to teaching requirements, is convenient to disassemble, assemble and reassemble, and is beneficial for teachers and students to observe the actual working conditions of the hydraulic systems of the engineering machinery.
The practical training platform has the following problems: 1. foretell real standard platform is when equipment hydraulic system, need carry out corresponding dismouting with the complete machine according to the experiment requirement, therefore comparatively loaded down with trivial details during dismouting hydraulic system, if student's misoperation, make the hydraulic oil blowout among the hydraulic system easily, be difficult to clear up, and have certain potential safety hazard.
2. The number of the hydraulic systems which can be provided by the practical training platform is limited, so that the diversity is lacked, and if a student completely tests all the hydraulic systems provided by the practical training platform, the student cannot continue to carry out new tests, so that the learning enthusiasm of the student is influenced.
Disclosure of Invention
The technical problem to be solved is as follows: the invention provides an improved electro-hydraulic system training platform which can solve the problems pointed out in the background technology.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme that the improved electro-hydraulic system training platform comprises a rack, a fixed platform, a supporting unit, a movable platform and a weighting unit, wherein the fixed platform is arranged on the left side of the upper end of the rack, the movable platform is installed on the fixed platform through the supporting unit, and the weighting unit is arranged on the right side of the upper end of the rack.
The support unit includes back shaft, roating seat, U type frame, guide rail, lead screw, drive machine, sliding block, pneumatic cylinder and adjusting part, wherein: the upper end of the fixed platform is uniformly provided with a plurality of grooves along the circumferential direction, a supporting shaft is installed in each groove, the outer wall of each supporting shaft is rotatably sleeved with a rotating base, the upper end of each rotating base is provided with a U-shaped frame with an upward opening in a detachable mode, the top of each U-shaped frame is provided with a guide rail, a lead screw is rotatably arranged between the side walls of the opening of each U-shaped frame, one side, away from the central axis of the fixed platform, of each U-shaped frame is provided with a transmission motor through a motor base, an output shaft of each transmission motor penetrates through the U-shaped frame and then is connected with the lead screw, the outer wall of each lead screw is sleeved with a sliding block in a threaded connection mode, the lower end of each sliding block is slidably arranged on the guide rail, the top of each sliding block is provided with a hydraulic cylinder in a rotating mode through a supporting frame, the telescopic ends of the plurality of the hydraulic cylinders are jointly connected with the movable platform, and an adjusting assembly is installed on the fixed platform; the supporting unit can detect the top extension performance and the shrinkage performance of the hydraulic cylinder under the bearing condition through the speed and the required time that the movable platform reciprocated, and can detect the transmission performance between sliding block and the lead screw, in addition, can provide the different inclination of hydraulic cylinder through the different positions that sliding block removed to the guide rail to in order to carry out multi-angle detection to the hydraulic cylinder.
The aggravate unit includes support bracket, horizontal plate, toper guide cylinder, balancing weight, support, induction section of thick bamboo, locating plate, serving roller and stay cord, wherein: the left side of the upper end of the rack is connected with a horizontal plate parallel to the rack, a conical guide cylinder is mounted at the bottom of the horizontal plate, the cross section of the conical guide cylinder is of a trapezoidal structure with the width gradually increasing from top to bottom, a plurality of balancing weights are arranged in the conical guide cylinder at equal intervals, the balancing weights are of a trapezoidal structure matched with the conical guide cylinder, a plurality of through holes are uniformly formed in the circumferential direction of the top of the horizontal plate, two positioning plates are symmetrically arranged on the left side and the right side of the top of the horizontal plate, a rope winding roller is rotatably arranged between the two positioning plates, a plurality of pull ropes are wound on the outer wall of the rope winding roller, and a positioning pad is mounted on the outer wall of each pull rope, which is located at the lower end of the corresponding balancing weight; aggravate the weight that the unit was applyed as required and place the balancing weight on moving the platform to the performance through the platform detection pneumatic cylinder that moves of different weight and sliding block, and can apply different weights to moving the platform according to the detection demand, thereby improve the variety that detects.
As a preferred technical solution of the present invention, the adjusting assembly includes an annular disc, worm gear teeth, a fan-shaped through groove, a connecting plate, a telescopic rod, a poking rod, a fan-shaped seat, and a clamping groove, wherein: the fixed platform is internally provided with an annular chute communicated with a plurality of grooves, the outer wall of the annular disc is provided with spiral teeth, the lower end of the rotating seat is uniformly provided with a plurality of worm gear teeth meshed with the spiral teeth in the circumferential direction, any side of the upper end of the fixed platform is provided with a fan-shaped through groove communicated with the annular chute, the top of the annular disc is provided with a connecting plate which is arranged in the fan-shaped through groove in a sliding manner, the top of the connecting plate is rotatably provided with a poke rod through a telescopic rod, the upper end of the fixed platform is provided with fan-shaped seats along two sides of the fan-shaped through groove, the central axes of the fan-shaped seats and the fan-shaped through groove are coincident with the central axis of the fixed platform, and the upper end of the fan-shaped seats is uniformly provided with a plurality of clamping grooves along the circumferential direction; the adjusting component can detect the use performance of the hydraulic cylinder and the sliding block under the condition of different inclination angles of the U-shaped frame, so that various detection results of the hydraulic cylinder and the sliding block can be provided by adjusting the inclination angle of the rotating seat.
As a preferred technical scheme of the invention, a plurality of groups of connecting blocks corresponding to the positions of the hydraulic cylinders are uniformly arranged at the bottom of the movable platform along the circumferential direction of the movable platform, a plurality of clamping seats are arranged at the bottom of each connecting block at equal intervals, the telescopic end of each hydraulic cylinder is detachably arranged at the lower end of the clamping seat at one side far away from the central axis of the movable platform through a spherical hinge, a storage barrel is arranged at the upper end of the movable platform, and a cushion pad is arranged at the upper end of the movable platform; the integral stress direction of the hydraulic cylinder can be changed by clamping the telescopic end of the hydraulic cylinder in different clamping seats, so that the bearing performance of the hydraulic cylinder under various conditions can be detected conveniently; in addition, can unload the counter weight through the blotter and place the impact force when downwards, avoid counter weight and putting thing bobbin base portion and take place to strike and influence the detection precision when moving the platform atress.
According to a preferred technical scheme, the right end of the rope winding roller penetrates through the positioning plate on the right side of the horizontal plate and then is connected with the telescopic piece, the right end of the telescopic piece is provided with the baffle, the left side of the baffle is uniformly provided with a plurality of limiting blocks in the circumferential direction, and the right end of the positioning plate on the right side of the horizontal plate is uniformly provided with a plurality of locking grooves corresponding to the limiting blocks in position in the circumferential direction; the stopper joint is in the locking inslot to carry on spacingly to the serving roller, make the serving roller can't take place to rotate.
As a preferred technical solution of the present invention, the upper half portion of the clamping groove is of a V-shaped structure so as to guide the poke rod, so that the poke rod is smoothly pressed into the clamping groove, the middle portion of the clamping groove is of a rectangular structure, and the lower half portion of the clamping groove is of a circular structure.
As a preferred technical scheme of the invention, the adjusting component further comprises a supporting spring rod and a limiting column, wherein: two supporting spring rods are symmetrically arranged on the opposite sides of the two side walls in the middle of the clamping groove, and limiting columns are jointly arranged at the ends, far away from the inner wall of the clamping groove, of the two supporting spring rods; the limiting column extends towards the middle of the clamping groove under the action of the supporting spring rod and is abutted against the top of the poking rod, so that the poking rod is limited, and the poking rod is prevented from falling off from the clamping groove.
As a preferred technical scheme of the invention, the cross section of the upper half part of the rotating seat is of a rectangular structure, the cross section of the lower half part of the rotating seat is of a semicircular structure, and the bottom of the rotating seat is an arc convex surface; so that the rotating seat can rotate along the supporting shaft, thereby being convenient for adjusting the inclination angle of the U-shaped frame.
As a preferred technical scheme of the invention, a plurality of brackets which are staggered with the through holes are uniformly arranged on the top of the horizontal plate in the circumferential direction, the upper ends of the brackets are provided with an induction drum together, and the upper side of the pull rope passes through the induction drum and then is wound on the rope winding roller; can carry out spacing simultaneously to many stay cords through concluding up a section of thick bamboo, the stay cord after spacing twines at serving roller outer wall jointly for the length of many stay cords downside is unanimous, thereby can ensure that the balancing weight of stay cord bottom is the horizontality.
Thirdly, the beneficial effects are that: 1. the electro-hydraulic system training platform provided by the invention is improved to a certain extent, wherein: the supporting unit can detect the jacking performance and the shrinkage performance of the hydraulic cylinder under the bearing condition through the up-and-down moving speed and the required time of the movable platform, can detect the transmission performance of the sliding block, and can provide different inclination angles of the hydraulic cylinder by moving the sliding block to different positions of the guide rail so as to conveniently detect the hydraulic cylinder at multiple angles; the invention can provide different experimental results through the matching of the hydraulic cylinder and the sliding block, and can avoid the disassembly and the assembly of the invention, thereby avoiding potential safety hazards.
2. Different detection results can be obtained by changing the inclination angle of the hydraulic cylinder, different detection results can be obtained by adjusting the position of the sliding block on the guide rail, and different detection results can be obtained by applying weight to the movable platform, so that the detection diversity of the invention can be improved.
3. According to the invention, the counterweight block can be placed on the movable platform according to the weight required to be applied through the weighting unit, so that the service performance of the hydraulic cylinder and the sliding block can be detected through the movable platforms with different weights, and different weights can be applied to the movable platforms according to the detection requirements.
4. The invention can detect the service performance of the hydraulic cylinder and the sliding block under the condition of different inclination angles of the U-shaped frame through the adjusting assembly, thereby providing various detection results of the hydraulic cylinder and the sliding block by adjusting the inclination angle of the rotating seat.
5. The invention can adjust the inclination angle of the hydraulic cylinder by clamping the telescopic end of the hydraulic cylinder in different clamping seats, and can change the integral stress direction of the hydraulic cylinder so as to be convenient for detecting the bearing performance of the hydraulic cylinder under various conditions.
6. According to the invention, the plurality of pull ropes can be simultaneously limited through the induction cylinder, and the limited pull ropes are wound on the outer wall of the rope winding roller together, so that the lengths of the lower sides of the plurality of pull ropes are consistent, and thus the balance weight at the bottom of each pull rope can be ensured to be in a horizontal state.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a partial cutaway view of the stationary platen of the present invention.
Fig. 3 is an enlarged view of a portion of the invention at Q of fig. 2.
Fig. 4 is a partial enlarged view of fig. 2 a of the present invention.
Fig. 5 is a partial schematic view of the adjustment assembly of the present invention.
Fig. 6 is a partial perspective view of the weight unit of the present invention.
Fig. 7 is a partial sectional view (from front to back) of the weight unit of the present invention.
FIG. 8 is a view showing the operation of the tapered guide cylinder, the weight member and the pull rope according to the present invention.
Fig. 9 is a cross-sectional view (from front to back) of the mobile platform of the present invention.
In the figure: 1. a frame; 2. fixing a platform; 21. a supporting seat; 3. a support unit; 31. a support shaft; 32. a rotating base; 33. a U-shaped frame; 34. a guide rail; 35. a lead screw; 36. a drive motor; 37. a sliding block; 38. a hydraulic cylinder; 39. an adjustment assembly; 391. an annular disc; 392. worm gear teeth; 393. a fan-shaped through groove; 394. a connecting plate; 395. a telescopic rod; 396. a poke rod; 397. a fan-shaped seat; 398. a clamping groove; 399. a support spring rod; 390. a limiting column; 4. a movable platform; 41. connecting blocks; 42. a card holder; 43. a storage barrel; 44. a cushion pad; 5. a weighting unit; 51. a support bracket; 52. a horizontal plate; 521. a support; 522. summarizing the cylinder; 53. a conical guide cylinder; 54. a counterweight block; 55. positioning a plate; 551. a locking groove; 56. a rope winding roller; 561. a baffle plate; 562. a limiting block; 57. and pulling a rope.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1, an improved electro-hydraulic system training platform comprises a frame 1, a fixed platform 2, a supporting unit 3, a movable platform 4 and an weighting unit 5, wherein the fixed platform 2 is arranged on the left side of the upper end of the frame 1, the movable platform 4 is arranged on the fixed platform 2 through the supporting unit 3, and the weighting unit 5 is arranged on the right side of the upper end of the frame 1.
Referring to fig. 1, 2 and 3, the supporting unit 3 includes a supporting shaft 31, a rotary base 32, a U-shaped frame 33, a guide rail 34, a lead screw 35, a transmission motor 36, a sliding block 37, a hydraulic cylinder 38 and an adjusting assembly 39, wherein: a plurality of grooves are uniformly formed in the upper end of the fixed platform 2 along the circumferential direction of the fixed platform, a supporting shaft 31 is installed in each groove, a rotating seat 32 is rotatably sleeved on the outer wall of each supporting shaft 31, the cross section of the upper half part of each rotating seat 32 is of a rectangular structure, the cross section of the lower half part of each rotating seat 32 is of a semicircular structure, and the bottom of each rotating seat 32 is an arc-shaped convex surface; so that the rotary base 32 can rotate along the support shaft 31, thereby facilitating adjustment of the inclination angle of the U-shaped frame 33; the ascending U type frame 33 of opening is installed through the detachable mode to the upper end of roating seat 32, the top of U type frame 33 is provided with guide rail 34, and rotate between the opening part lateral wall of U type frame 33 and be provided with lead screw 35, drive motor 36 is installed through the motor cabinet to one side that U type frame 33 kept away from fixed platform 2 axis, the output shaft of drive motor 36 is connected with lead screw 35 after passing U type frame 33, the outer wall of lead screw 35 is equipped with sliding block 37 through threaded connection's mode cover, sliding block 37's lower extreme slides and sets up on guide rail 34, sliding block 37's top is rotated through the support frame and is provided with pneumatic cylinder 38, the flexible end of a plurality of pneumatic cylinders 38 is connected with movable platform 4 jointly, adjusting part 39 is installed on fixed platform 2.
During specific work, firstly, the transmission motor 36 is turned on, the transmission motor 36 drives the lead screw 35 to rotate, the lead screw 35 drives the sliding block 37 to slide along the guide rail 34, the fixed end of the hydraulic cylinder 38 moves along with the sliding block 37, the height of the movable platform 4 is changed by adjusting the inclination angle of the hydraulic cylinder 38, then, the hydraulic cylinder 38 is turned on, the hydraulic cylinder 38 drives the movable platform 4 to move up and down, the height of the movable platform 4 is adjusted, in the process, the top stretching performance and the contraction performance of the hydraulic cylinder 38 under the bearing condition can be detected through the up-and-down moving speed and the required time of the movable platform 4, the transmission performance between the sliding block 37 and the lead screw 35 can be detected, in addition, different inclination angles of the hydraulic cylinder 38 can be provided through the movement of the sliding block 37 to different positions of the guide rail 34, and multi-angle detection can be conveniently carried out on the hydraulic cylinder 38.
Referring to fig. 2, 3 and 4, the adjusting assembly 39 includes an annular disc 391, worm gear teeth 392, a fan-shaped through slot 393, a connecting plate 394, a telescopic rod 395, a poke rod 396, a fan-shaped seat 397 and a snap-in slot 398, wherein: an annular chute communicated with a plurality of grooves is formed in the fixed platform 2, spiral teeth are arranged on the outer wall of the annular disc 391, a plurality of worm gear teeth 392 meshed with the spiral teeth are uniformly arranged at the lower end of the rotating seat 32 in the circumferential direction, fan-shaped through grooves 393 communicated with the annular chute are formed in any side of the upper end of the fixed platform 2, the fan-shaped through grooves 393 are arranged at an angle by taking the central axis of the fixed platform 2 as the center of a circle, and the angles between every two adjacent fan-shaped through grooves 393 are the same; the top of the annular disc 391 is provided with a connecting plate 394 which is slidably arranged in the fan-shaped through groove 393, the top of the connecting plate 394 is rotatably provided with a poke rod 396 through a telescopic rod 395, the upper end of the fixed platform 2 is provided with fan-shaped seats 397 along two sides of the fan-shaped through groove 393, the central axes of the fan-shaped seats 397 and the fan-shaped through groove 393 are coincided with the central axis of the fixed platform 2, and the upper end of the fan-shaped seats 397 is uniformly provided with a plurality of clamping grooves 398 along the circumferential direction; the upper half part of the clamping groove 398 is of a V-shaped structure so as to guide the poke rod 396, so that the poke rod 396 is smoothly pressed into the clamping groove 398, the middle part of the clamping groove 398 is of a rectangular structure, and the lower half part of the clamping groove 398 is of a circular structure; so that the tap lever 396 is placed at the bottom of the snap groove 398.
Referring to fig. 4 and 5, the adjustment assembly 39 further includes a support spring rod 399 and a limit post 390, wherein: two supporting spring rods 399 are symmetrically arranged on the opposite sides of the two side walls in the middle of the clamping groove 398, and one ends, far away from the inner wall of the clamping groove 398, of the two supporting spring rods 399 are jointly provided with a limiting column 390; after the poker rod 396 is clamped in the clamping groove 398, the limiting column 390 extends towards the middle of the clamping groove 398 and is abutted against the top of the poker rod 396 under the action of the supporting spring rod 399 so as to limit the poker rod 396 and prevent the poker rod 396 from falling off from the clamping groove 398.
In specific operation, the poke rod 396 is firstly pulled out from the clamping groove 398, during which the limit post 390 is contracted towards one side far away from the axis of the clamping groove 398 under the extrusion force of the poke rod 396, and then after the poke rod 396 is pulled out, the limit post 390 is retracted and reset under the action of the supporting spring rod 399, then the poke rod 396 slides along the fan-shaped through groove 393 and drives the annular disc 391 to rotate, the annular disc 391 can drive the rotating seat 32 to rotate along the supporting shaft 31 by matching spiral teeth with the worm wheel teeth 392, during the period, the inclination angle of the U-shaped frame 33 can be changed every time the rotating seat 32 rotates, so that the service performance of hydraulic cylinder 38 and slide block 37 under the condition of different inclination angles of U-shaped frame 33 can be detected, therefore, different movement modes of the hydraulic cylinder 38 and the sliding block 37 can be provided by adjusting the inclination angle of the rotary seat 32, so that various detection results of the hydraulic cylinder 38 and the sliding block 37 can be obtained.
Referring to fig. 1, 6, 7 and 8, the weight unit 5 includes a support bracket 51, a horizontal plate 52, a tapered guide cylinder 53, a weight 54, a positioning plate 55, a rope roller 56 and a pulling rope 57, wherein: the right side of the upper end of the frame 1 is provided with a supporting bracket 51, the left side of the upper end of the supporting bracket 51 is connected with a horizontal plate 52 parallel to the frame 1, the bottom of the horizontal plate 52 is provided with a conical guide cylinder 53, the cross section of the conical guide cylinder 53 is of a trapezoidal structure with the width gradually increasing from top to bottom, a plurality of balancing weights 54 are arranged in the conical guide cylinder 53 at equal intervals, the balancing weights 54 are of a trapezoidal structure matched with the conical guide cylinder 53, the distance between the balancing weights 54 is gradually increased from top to bottom, the volume of the balancing weights 54 is gradually increased from top to bottom, a plurality of through holes are uniformly formed in the circumferential direction of the top of the horizontal plate 52, two positioning plates 55 are symmetrically arranged on the top of the horizontal plate 52 from left to right, a rope winding roller 56 is rotatably arranged between the two positioning plates 55, a plurality of pull ropes 57 are wound on the outer wall of the rope winding roller 56, and positioning pads are arranged on the outer wall of each pull rope 57 at the lower ends of the balancing weights 54; the counterweight block 54 can be fixed by the positioning pad so as to drive the counterweight block 54 to move up and down through the pull rope 57; in the initial state, the weight 54 is located inside the tapered guide cylinder 53 and abuts against the inner wall of the tapered guide cylinder 53.
Referring to fig. 6 and 7, a plurality of brackets 521 arranged in a staggered manner with the through holes are uniformly arranged on the top of the horizontal plate 52 in the circumferential direction, an induction drum 522 is arranged at the upper end of the plurality of brackets 521, and the upper side of the pull rope 57 passes through the induction drum 522 and then is wound on the rope winding roller 56; the pull ropes 57 can be limited simultaneously through the induction drum 522, and the limited pull ropes 57 are wound on the outer wall of the rope winding roller 56 together, so that the lengths of the lower sides of the pull ropes 57 are consistent, and the balance weight blocks 54 at the bottoms of the pull ropes 57 are ensured to be in a horizontal state; the right end of the rope winding roller 56 penetrates through the positioning plate 55 on the right side of the horizontal plate 52 and then is connected with an expansion piece, the right end of the expansion piece is provided with a baffle 561, the expansion end and the fixed end of the expansion piece only slide relatively and cannot rotate relatively, so that the baffle 561 transmits torque to the rope winding roller 56 through the expansion piece, the left side of the baffle 561 is circumferentially and uniformly provided with a plurality of limiting blocks 562, and the right end of the positioning plate 55 on the right side of the horizontal plate 52 is circumferentially and uniformly provided with a plurality of locking grooves 551 corresponding to the limiting blocks 562; in the initial state, the limit block 562 is clamped in the locking groove 551, so that the rope roller 56 is limited, and the rope roller 56 cannot rotate.
During specific work, after the height adjustment of the movable platform 4 is completed, the limit block 562 is pulled out from the locking groove 551 through the baffle 561, the limit on the rope roller 56 is released, then the rope roller 56 is rotated, the rope roller 56 places the balancing weight 54 downwards in the object placing barrel 43 through the pulling rope 57, so that the balancing weight 54 is placed on the movable platform 4 according to the weight applied as required, the usability of the hydraulic cylinder 38 and the sliding block 37 is detected through the movable platform 4 with different weights, then the limit block 562 is restored to the initial state, so that the pulling rope 57 is limited through the rope roller 56, the pulling rope 57 exerts upward pulling force on the balancing weight 54 above the object placing barrel 43 and limits the same, after the balancing weight 54 is placed in the object placing barrel 43, the rope roller 56 continues to rotate for a certain angle, and the pulling rope 57 between the balancing weight 54 at the bottom of the object placing barrel 43 and the balancing weight 54 above the balancing weight is bent, the situation that the detection precision is influenced by the fact that the pull rope 57 exerts upward pulling force on the balancing weight 54 at the bottom of the object cylinder 43 is avoided; meanwhile, if only one balancing weight 54 needs to be placed, the lowest balancing weight 54 in the conical guide cylinder 53 is placed in the object placing cylinder 43 by rotating the rope rolling roller 56, and at the moment, other balancing weights 54 on the pull rope 57 are positioned above the object placing cylinder 43 and do not contact with the balancing weight 54 at the bottom of the object placing cylinder 43 (as shown in fig. 8), so that different weights can be applied to the movable platform 4 according to detection requirements, and the detection diversity is improved; when the balancing weight 54 on the movable platform 4 is subtracted, the rope roller 56 is reversely rotated, so that the rope roller 56 retracts the balancing weight 54 in the storage barrel 43 into the conical guide barrel 53 through the pull rope 57, and then the limiting block 562 is clamped in the locking groove 551, so that the rope roller 56 is limited, and the operation is convenient.
Referring to fig. 9, a plurality of groups of connecting blocks 41 corresponding to the positions of the hydraulic cylinders 38 are uniformly arranged at the bottom of the movable platform 4 along the circumferential direction, a plurality of clamping seats 42 are arranged at the bottom of each connecting block 41 at equal intervals, the telescopic ends of the hydraulic cylinders 38 are detachably mounted at the lower ends of the clamping seats 42 far away from the central axis of the movable platform 4 through spherical hinges, the inclination angles of the hydraulic cylinders 38 can be adjusted by clamping the telescopic ends of the hydraulic cylinders 38 in the different clamping seats 42, and the overall stress direction of the hydraulic cylinders 38 can be changed, so that the bearing performance of the hydraulic cylinders 38 under various conditions can be detected; the upper end of the movable platform 4 is provided with a storage barrel 43, and the upper end of the movable platform 4 is provided with a cushion pad 44; when the balancing weight 54 is placed in the object placing barrel 43, the impact force generated when the balancing weight 54 is placed downwards can be removed through the cushion pad 44, and the detection precision when the balancing weight 54 impacts the bottom of the object placing barrel 43 to influence the stress of the movable platform 4 is avoided.
The working process of the invention is as follows: the first step is as follows: firstly, the ring-shaped disc 391 rotates and drives the rotating seat 32 to rotate along the supporting shaft 31 to adjust the inclination angle of the U-shaped frame 33, so that the usability of the hydraulic cylinder 38 and the sliding block 37 under the condition of different inclination angles of the U-shaped frame 33 can be detected.
The second step is that: the transmission motor 36 is turned on, the transmission motor 36 drives the sliding block 37 to slide along the guide rail 34 through the lead screw 35 so as to adjust the inclination angle of the hydraulic cylinder 38, then the hydraulic cylinder 38 is turned on, the hydraulic cylinder 38 drives the movable platform 4 to move up and down, and therefore the jacking performance and the contraction performance of the hydraulic cylinder 38 under the load-bearing condition can be detected through the up-and-down moving speed and the required time of the movable platform 4.
The third step: the counterweight 54 is placed on the movable platform 4 according to the weight to be applied, so as to detect the service performance of the hydraulic cylinder 38 and the sliding block 37 through the movable platform 4 with different weights.
The fourth step: after the detection experiment is completed, the rope rolling roller 56 is reversed, so that the rope rolling roller 56 retracts the balancing weight 54 in the storage barrel 43 into the conical guide barrel 53 through the pulling rope 57, and then the inclination angle of the U-shaped frame 33 is adjusted to be horizontal, so that the invention is restored to the initial state for reuse.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a follow-on electricity liquid system training platform, includes frame (1), decides platform (2), support element (3), moves platform (4) and aggravates unit (5), its characterized in that: frame (1) upper end left side is provided with decides platform (2), decides to install through supporting unit (3) on platform (2) and moves platform (4), and frame (1) upper end right side is provided with aggravates unit (5), wherein:
the supporting unit (3) comprises a supporting shaft (31), a rotating seat (32), a U-shaped frame (33), a guide rail (34), a lead screw (35), a transmission motor (36), a sliding block (37), a hydraulic cylinder (38) and an adjusting component (39), wherein: the upper end of the fixed platform (2) is uniformly provided with a plurality of grooves along the circumferential direction, a supporting shaft (31) is arranged in each groove, a rotating base (32) is sleeved on the outer wall of each supporting shaft (31) in a rotating mode, a U-shaped frame (33) with an upward opening is arranged at the upper end of each rotating base (32) in a detachable mode, a guide rail (34) is arranged at the top of each U-shaped frame (33), a lead screw (35) is rotatably arranged between the side walls of the opening of each U-shaped frame (33), a transmission motor (36) is arranged on one side, far away from the central axis of the fixed platform (2), of each U-shaped frame (33) through a motor base, an output shaft of each transmission motor (36) penetrates through the U-shaped frame (33) and then is connected with the lead screw (35), a sliding block (37) is sleeved on the outer wall of the lead screw (35) in a threaded connection mode, the lower end of each sliding block (37) is slidably arranged on the guide rail (34), and a hydraulic cylinder (38) is rotatably arranged at the top of each sliding block (37) through a supporting frame, the telescopic ends of the hydraulic cylinders (38) are connected with the movable platform (4) together, and the adjusting assembly (39) is arranged on the fixed platform (2);
the weighting unit (5) comprises a supporting bracket (51), a horizontal plate (52), a conical guide cylinder (53), a balancing weight (54), a positioning plate (55), a rope winding roller (56) and a pull rope (57), wherein: the upper right side of the rack (1) is provided with a supporting bracket (51), the upper left side of the supporting bracket (51) is connected with a horizontal plate (52) parallel to the rack (1), the bottom of the horizontal plate (52) is provided with a conical guide cylinder (53), the cross section of the conical guide cylinder (53) is of a trapezoidal structure with the width gradually increasing from top to bottom, a plurality of balancing weights (54) are arranged in the conical guide cylinder (53) at equal intervals, the balancing weights (54) are of a trapezoidal structure matched with the conical guide cylinder (53), a plurality of through holes are uniformly formed in the circumferential direction of the top of the horizontal plate (52), two positioning plates (55) are symmetrically arranged on the top of the horizontal plate (52) from left to right, a rope rolling roller (56) is rotatably arranged between the two positioning plates (55), the outer wall of the rope rolling roller (56) is wound with a plurality of pull ropes (57), the lower ends of the plurality of the pull ropes (57) sequentially pass through an induction cylinder (522) and different through holes and then extend into the conical guide cylinder (53) and pass through the balancing weights (54), and the outer wall of the pull rope (57) is positioned at the lower end of the balancing weight (54) and is provided with a positioning pad.
2. The improved electro-hydraulic system training platform of claim 1, wherein: the adjusting component (39) comprises an annular disc (391), worm gear teeth (392), a fan-shaped through groove (393), a connecting plate (394), a telescopic rod (395), a poke rod (396), a fan-shaped seat (397) and a clamping groove (398), wherein: the fixed platform (2) is internally provided with an annular chute communicated with a plurality of grooves, the outer wall of the annular disc (391) is provided with spiral teeth, the lower end of the rotary seat (32) is circumferentially and uniformly provided with a plurality of worm gear teeth (392) meshed with the spiral teeth, any side of the upper end of the fixed platform (2) is provided with a fan-shaped through groove (393) communicated with the annular chute, the top of the annular disc (391) is provided with a connecting plate (394) which is slidably arranged in the fan-shaped through groove (393), the top of the connecting plate (394) is rotatably provided with a poking rod (396) through a telescopic rod (395), the upper end of the fixed platform (2) is provided with fan-shaped seats (397) along two sides of the fan-shaped through groove (393), and the axis that fan-shaped seat (397) and fan-shaped led to groove (393) coincides mutually with the axis of deciding platform (2), and a plurality of joint grooves (398) have evenly been seted up along its circumference in the upper end of fan-shaped seat (397).
3. The improved electro-hydraulic system training platform of claim 1, wherein: the bottom of moving platform (4) evenly is provided with multiunit and corresponding connecting block (41) in pneumatic cylinder (38) position along its circumference, and the bottom of every connecting block (41) is equidistant to be provided with a plurality of cassettes (42), and the flexible end of pneumatic cylinder (38) passes through ball hinge and detachable and installs the lower extreme of keeping away from moving platform (4) axis one side in cassette (42), moves the upper end of platform (4) and installs and put thing section of thick bamboo (43), and moves the upper end of platform (4) and be provided with blotter (44).
4. The improved electro-hydraulic system training platform of claim 1, wherein: the right end of the rope winding roller (56) penetrates through the positioning plate (55) on the right side of the horizontal plate (52) and then is connected with an expansion piece, the right end of the expansion piece is provided with a baffle (561), a plurality of limiting blocks (562) are uniformly arranged on the left side of the baffle (561) in the circumferential direction, and a plurality of locking grooves (551) corresponding to the limiting blocks (562) in position are uniformly arranged on the right end of the positioning plate (55) on the right side of the horizontal plate (52) in the circumferential direction.
5. The improved electro-hydraulic system training platform of claim 2, wherein: the upper half part of the clamping groove (398) is of a V-shaped structure, the middle part of the clamping groove (398) is of a rectangular structure, and the lower half part of the clamping groove (398) is of a circular structure.
6. The improved electro-hydraulic system training platform of claim 5, wherein: the adjustment assembly (39) further comprises a support spring bar (399) and a restraining post (390), wherein: the opposite sides of the two side walls in the middle of the clamping groove (398) are symmetrically provided with two supporting spring rods (399), and one ends, far away from the inner wall of the clamping groove (398), of the two supporting spring rods (399) are provided with a limiting column (390) together.
7. The improved electro-hydraulic system training platform of claim 1, wherein: the cross section of the upper half part of the rotating seat (32) is of a rectangular structure, the cross section of the lower half part of the rotating seat (32) is of a semicircular structure, and the bottom of the rotating seat (32) is an arc convex surface.
8. The improved electro-hydraulic system training platform of claim 1, wherein: the top circumference of the horizontal plate (52) is uniformly provided with a plurality of brackets (521) which are staggered with the through holes, the upper ends of the brackets (521) are provided with an induction drum (522) together, and the upper side of the pull rope (57) penetrates through the induction drum (522) and then is wound on the rope winding roller (56).
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| CN114582194B (en) | 2023-06-23 |
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