CN117054035A - Rake tooth performance simulation test system of rake dryer - Google Patents
Rake tooth performance simulation test system of rake dryer Download PDFInfo
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- CN117054035A CN117054035A CN202311316782.5A CN202311316782A CN117054035A CN 117054035 A CN117054035 A CN 117054035A CN 202311316782 A CN202311316782 A CN 202311316782A CN 117054035 A CN117054035 A CN 117054035A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- G—PHYSICS
- G01—MEASURING; TESTING
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Abstract
The invention relates to the technical field of rake dryer part tests, in particular to a rake teeth performance simulation test system of a rake dryer, which solves the defects in the prior art. Compared with the prior art, the invention can effectively simulate and test the impact resistance effect of the rake teeth to be tested.
Description
Technical Field
The invention relates to the technical field of testing of parts of a rake dryer, in particular to a rake teeth performance simulation testing system of the rake dryer.
Background
The rake dryer is designed based on the technology of the domestic traditional vacuum rake dryer and is reinforced and improved for various pulpy, pasty, granular, powdery, fibrous and other materials, the transmission part adopts a cylindrical gear reducer which is stable in work and durable, the driving shaft adopts a thickened solid shaft, and the stable operation of the vacuum rake dryer under various severe working environments is fully ensured.
The rake teeth device of the dryer consists of two groups of rake teeth which are sleeved on the left and right sides of the transmission shaft respectively and have opposite angles. The rake teeth of the dryer are provided with square holes matched with the transmission shaft, and the adjacent rake teeth are mutually different by 90 degrees in orientation. The tail ends of the rake teeth are in two shapes, one is flat and is in a blade shape, and the other is flat and is in a special shape, but all the tail ends and the axis of the transmission shaft form a certain angle (namely left direction and right direction). After the materials are sent into the dryer, the materials can move towards the two sides and then towards the middle along with the positive and negative rotation action of the rake teeth, so that the materials are uniformly stirred.
However, during the working process of the rake teeth, the materials passing through in different directions can have impact effects on different angles generated by the rake teeth, so that after a period of time, the rake teeth can be bent or deformed, and the raking and transferring effects on the materials are affected.
Therefore, it is necessary to provide a rake teeth performance simulation test system of a rake dryer, which can achieve the effect of simulating and testing the impact resistance of the rake teeth.
Disclosure of Invention
The invention aims to provide a rake teeth performance simulation test system of a rake dryer, which is used for solving the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a rake teeth performance simulation test system of a rake dryer comprises a test bench, a movable test mechanism and a fixed simulation mechanism, wherein a sliding plate is installed on the test bench, one end of the sliding plate is obliquely arranged, and a control terminal with a PLC (programmable logic controller) is installed on the test bench;
the movable testing mechanism comprises a movable frame, a lifting seat, a mounting mechanism and a driving mechanism, wherein the movable frame is arranged on the testing table in a sliding manner along a linear direction, the lifting seat is arranged between the inner walls of the movable frame in a sliding manner along a vertical direction, and a connecting sleeve is further rotatably arranged on one side of the lifting seat;
the connecting sleeve, the driving mechanism and the mounting mechanism are sequentially connected;
the driving mechanism comprises a connecting cylinder, a fixed plate, a first adjusting piece and a second adjusting piece, wherein a second connecting plate is arranged at one end of the connecting cylinder, the other end of the connecting cylinder is connected with the mounting mechanism, a first circular connecting plate is rotatably arranged in the middle of the second connecting plate, the fixed plate is fixed on the first connecting plate, the connecting cylinder is rotatably arranged in the connecting sleeve, and the first connecting plate and the second connecting plate can be connected with the connecting sleeve into a whole through adsorption;
The electromagnetic lock body II and the electromagnetic lock body III are respectively arranged on the end parts of the first adjusting piece and the second adjusting piece, and can be adsorbed and fixed with the inner wall of the connecting cylinder;
the mounting mechanism comprises a fixing box and a clamping seat, wherein a first gear and a second gear which are meshed with each other are arranged in the fixing box, the clamping seat is connected with the first gear synchronously, rake teeth to be tested are fixed at the bottom of the clamping seat, a rotating shaft which is fixed with the second gear is penetrated in the middle of the second gear, and the rotating shaft and a third electromagnetic lock body can be adsorbed and fixed;
the fixed simulation mechanism comprises a fixing frame, a transmitting mechanism and a circulating mechanism, wherein the fixing frame is arranged on the test bench and is opposite to the movable frame, the transmitting mechanism and the circulating mechanism are respectively arranged on two sides of the fixing frame, a feeding mechanism is arranged above the transmitting mechanism, a feeding pipe is further connected between the feeding mechanism and the transmitting mechanism, the tail end of the sliding plate is led to the circulating mechanism, and a circulating pipe communicated with the feeding pipe is further arranged on the side wall of the top of the circulating mechanism.
In one embodiment, two groups of symmetrically arranged protection components are further arranged on the side wall of the fixed frame facing the movable frame, each protection component comprises a first component and a second component, each first component comprises a fixed frame, a folding baffle and a connecting strip, each second component comprises a magnetic attraction seat, the fixed frame is arranged on the side wall of the fixed frame, the magnetic attraction seats are fixed on the side wall of the movable frame, the connecting strips are attracted and fixed with the magnetic attraction seats through magnetism, and the connecting strips are fixed with the folding baffle through screws;
and a motor III is arranged on the side wall of one side of the lifting seat, and an output shaft of the motor III penetrates through the inside of the lifting seat and is fixedly connected with the side wall of the connecting sleeve.
In one embodiment, the launching mechanism comprises a launching tube, a driving piece and an ejection structure, a bracket is arranged on the side wall of a fixed frame, the launching tube is arranged between the bracket and the fixed frame, an inlet matched with a feeding tube is formed in the top wall of the launching tube, a rotating sheet is rotatably arranged at the inlet, the rotating sheet is in a cam structure, a square groove is formed in the launching tube, an arc groove is formed in the bottom wall of the square groove, and a buffer cushion is embedded in the inner wall of the launching tube at the arc groove;
the driving piece is shown to be "Y" type structure setting, is connected with the universal driving axle between the driving piece of both sides, still installs fixed block and motor five on the roof of mount, and the universal driving axle runs through the fixed block and rotates the setting with it, and motor five's output one side is provided with drive assembly, and the universal driving axle is connected with drive assembly and is set up.
In one embodiment, the ejection structure comprises two sliding parts and a first push plate, wherein the two sliding parts are arranged in a disc-shaped structure, a connecting rod is connected between the two sliding parts, side holes are formed in the side walls of two sides of the emission cylinder, a fixing rod which is horizontally arranged is further inserted between the inner walls of the side holes, the connecting rod slides on the fixing rods on two sides, and the connecting rod penetrates through the first push plate and is fixed with the first push plate into a whole through bonding, the first push plate slides between the inner walls of the square grooves without friction between contact surfaces of the first push plate, and a first spring is further arranged on one side of the first push plate;
each time the driving piece rotates 120 degrees, the rotating piece rotates 360 degrees, and the ejection structure is triggered once.
In one embodiment, the circulating mechanism comprises a circular ring seat, a base and a deflector rod, wherein the base is arranged between the inner walls of the test bench, the circular ring seat is arranged on the base, and a circular plate matched with the circular ring seat is also arranged on one side wall of the circular ring seat;
an inner groove is formed in the base, a lifting table is movably arranged in the middle of the inner groove along the vertical direction, the middle of the lifting table is arranged in a concave structure, and the bottom wall of the inner groove is obliquely arranged towards the middle;
the lifting platform is characterized in that a bottom hole is formed in the position, opposite to the lifting platform, of the circular ring seat, a sliding rail is formed in the circular ring seat, a fixing strip which is connected with the circular ring seat into a whole is arranged on one side of the sliding rail, one end of a deflector rod is rotatably arranged in the sliding rail, a discharge hole which is matched with and communicated with the circulating pipe is further formed in the circular ring seat, a push plate II is movably arranged on one side of the discharge hole in the sliding rail along a straight line, and the push plate II is matched with the circulating pipe.
In one embodiment, one end of the rotating shaft is rotatably arranged on the inner wall of one side of the fixed box through a bearing, the other end of the rotating shaft is positioned outside the fixed box, and a connecting groove is formed in the end of the rotating shaft and is in three-phase adaptation with the electromagnetic lock body;
a power supply is arranged at the joint of the inner walls of the fixed box, electromagnetic lock bodies I with circular ring structures are arranged on the inner walls of the two sides of the fixed box, the power supply is connected with the electromagnetic lock bodies I through wires, the gears I and II are bevel gears, a connecting shaft is connected between the gears I and the clamping seat, the connecting shaft is rotatably arranged between the inner walls of the fixed box through a bearing, and the two electromagnetic lock bodies I are respectively sleeved on the rotating shaft and the outer wall of the connecting shaft;
the clamping seat is rotatably arranged on the bottom wall of the fixed box, the bottom wall of the clamping seat is provided with a slot, and the two sides of the slot are also provided with symmetrically distributed positioning clamps.
In one embodiment, an external power supply is arranged on the outer wall of the fixed box, the external power supply is connected with the first connecting plate and the second connecting plate through wires, the first connecting plate and the second connecting plate are made of silicon steel sheets, and the connecting sleeve is made of iron;
wall grooves are formed in the side walls of the two sides of the fixed plate and are arranged along the length direction of the fixed plate, a second screw rod is rotationally arranged in the wall grooves, guide blocks are welded on the side walls of the two sides of the second adjusting piece, the guide blocks slide between the inner walls of the wall grooves, and the second screw rod penetrates through the inside of the guide blocks and is in threaded transmission with the inside of the guide blocks;
Grooves are formed in the top wall and the bottom wall of the fixing plate, fixing cylinders with the same height are arranged in the grooves, piston columns are slidably arranged between the inner walls of the fixing cylinders, the top ends of the piston columns are fixedly connected with an adjusting piece, and springs II are further sleeved on the outer walls of the fixing cylinders.
In one embodiment, when the electromagnetic lock body III moves into the connecting groove, the electromagnetic lock body III and the connecting groove are connected into a whole through adsorption, the electromagnetic lock body II is not contacted with the inner wall of the connecting cylinder, the adjusting parts I at the two sides are mutually close together, the guide block also slides to one end of the wall groove, which is close to one side of the adjusting part II, in the state, the electromagnetic lock body I is in a state of no current, the connecting sleeve and the connecting plate I are connected into a whole through adsorption, namely, after the motor III is started, the output shaft drives the connecting sleeve to rotate, so that the rotating shaft synchronously drives the gear II to rotate, and then the gear I is controlled through meshing transmission to drive the rake teeth to be measured, which are arranged on the clamping seat, to rotate and adjust by taking the center of the connecting shaft as the center of a circle;
when the electromagnetic lock body II is in contact with the inner wall of the connecting cylinder and is adsorbed together, the electromagnetic lock body III and the connecting groove are in a separated state, the guide block slides to one end of the wall groove away from one side where the regulating part II is located, the concave part of the regulating part II at the moment is in contact with one side end wall of the fixed plate, the linkage handle is in a state perpendicular to the regulating part I, in the state, the connecting sleeve and the connecting plate II are connected into a whole through adsorption, the electromagnetic lock body I is in a state of conducting current, the rotating shaft and the connecting shaft are kept motionless, namely, after the motor III is started, the output shaft drives the connecting sleeve to rotate, so that the connecting cylinder synchronously drives the mounting mechanism to rotate, and the rake teeth to be measured mounted on the clamping seat are driven to rotate and regulate by taking the center of the rotating shaft of the motor III as the center of a circle.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through arranging the structures of the connecting cylinder, the fixing plate, the first adjusting piece, the second adjusting piece and the like, the connecting cylinder can synchronously rotate along with the third motor in a state that the second electromagnetic lock body is fixedly connected with the connecting cylinder, so that the whole mounting mechanism and the rake teeth to be tested on the bottom of the mounting mechanism are driven to axially and synchronously rotate and adjust, and the rotating state of the rake teeth in an actual working state is simulated.
2. According to the invention, the rotating shaft, the first gear, the second gear, the clamping seat and the first electromagnetic lock body are arranged, so that the rotating shaft can synchronously rotate along with the third motor under the condition that the connecting shaft is fixedly connected with the third electromagnetic lock body, the second gear is driven to rotate, and the first gear synchronously drives the clamping seat and the rake teeth to be tested arranged on the clamping seat to carry out vertical synchronous rotation adjustment by utilizing meshing transmission acting force, so that different angles of the rake teeth to be tested towards the test ball are changed.
In summary, the invention can respectively realize the connection with the rotating shaft and the connection with the connecting cylinder by utilizing the motion state change of the first adjusting piece and the second adjusting piece, thereby respectively simulating the angle to be tested and the rotation state of the rake teeth to be tested, and effectively simulating and testing the impact resistance effect of the rake teeth to be tested.
Drawings
The technical solution and other advantageous effects of the present application will be made apparent by the following detailed description of the specific embodiments of the present application with reference to the accompanying drawings.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is another view angle schematic of FIG. 1;
FIG. 3 is a schematic front view of FIG. 1;
FIG. 4 is a schematic top view of FIG. 1;
FIG. 5 is a schematic diagram of a firing mechanism of the present application;
FIG. 6 is a schematic view of an ejection structure of the present application;
FIG. 7 is a schematic view of the circulation mechanism of the present application;
FIG. 8 is a schematic view of the discharge port and push plate II of the present application;
FIG. 9 is a schematic view of the mounting mechanism of the present application;
FIG. 10 is a schematic front view of FIG. 9;
FIG. 11 is a schematic view of the installation of the locating clip of the present application;
FIG. 12 is a schematic view of a drive mechanism of the present application;
FIG. 13 is a schematic view of the connection between the first and second adjustment members and the fixed plate according to the present application;
FIG. 14 is a schematic front view of FIG. 12;
FIG. 15 is a schematic cross-sectional view A-A of FIG. 14;
FIG. 16 is a schematic cross-sectional view of B-B of FIG. 14;
FIG. 17 is an enlarged schematic view of portion A of FIG. 16;
FIG. 18 is a schematic illustration of the connection between the connection sleeve, connection plate one and connection plate two of the present application;
FIG. 19 is a schematic view of the movement of a test ball of the present application within a launch barrel.
In the figure: 1. a test bench; 11. a PLC controller;
12. a slide plate; 2. a movable frame; 21. a first screw; 22. a lifting seat; 23. connecting sleeves;
3. a fixing frame; 31. a first component; 32. a second component; 33. a top frame; 34. a bracket;
4. a transmitting mechanism; 41. a launch canister; 411. a rotating piece; 42. a driving member; 43. a transmission assembly; 44. an ejection structure; 441. a slider; 442. a connecting rod; 443. a pushing plate I;
5. a circulation mechanism; 51. a circular plate; 52. a base; 521. an inner tank; 522. a lifting table; 53. a fixing strip; 54. a deflector rod; 55. a discharge port; 56. a pushing plate II;
6. a feeding mechanism; 61. a rotating plate;
7. a mounting mechanism; 71. a rotation shaft; 711. a connecting groove; 72. a clamping seat; 73. a first gear; 74. a second gear; 75. an electromagnetic lock body I; 76. a power supply; 77. a positioning clamp;
8. a driving mechanism; 81. a fixing plate; 811. a second screw; 812. a groove; 813. a fixed cylinder; 814. a piston column; 815. a first connecting plate; 82. an adjusting piece I; 821. an electromagnetic lock body II; 83. an adjusting piece II; 831. an electromagnetic lock body III; 832. a guide block; 84. a second connecting plate; 85. a linkage handle; 86. an external power supply.
Detailed Description
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
As shown in fig. 1-4, the invention provides the technical scheme that: a rake teeth performance simulation test system of a rake dryer comprises a test board 1, a movable test mechanism and a fixed simulation mechanism;
the test bench 1 is provided with a fixed slot, a slide plate 12 is fixedly arranged in the fixed slot through a bolt, one end of the slide plate 12 is parallel to the upper surface of the test bench 1 and is positioned in the same horizontal plane, the other end of the slide plate is obliquely arranged, the test bench 1 is also provided with a control terminal, and the control terminal is provided with a PLC (programmable logic controller) 11.
The movable testing mechanism comprises a movable frame 2, a lifting seat 22, a mounting mechanism 7 and a driving mechanism 8;
the two side walls of the test bench 1 are provided with two square-structure mounting blocks through bolts, a first screw rod 21 is rotatably arranged between the two mounting blocks, a first motor is arranged on the side wall of one mounting block through bolts, the movable frame 2 is arranged in a sliding manner against the upper surface of the test bench 1 and the side wall of the test bench, the first screw rods 21 on the two sides respectively penetrate through the inside of the movable frame 2 and are connected with the movable frame through screw threads, a vertical hole arranged in the vertical direction is formed in the middle of the movable frame 2, a lifting seat 22 is arranged in an I-shaped structure and slides between the inner walls of the vertical hole, a second motor driving the lifting seat 22 to move up and down is connected with a second motor through bolts, the second motor is arranged on the top wall of the movable frame 2 through bolts, a third motor output shaft penetrates through the inside of the lifting seat 22, a connecting sleeve 23 is fixed on the end part of the third motor output shaft through screws, the connecting sleeve 23 is connected with a driving mechanism 8 so as to drive the driving mechanism 7 to rotate, the mounting mechanism 7 is arranged on the side wall of the other side of the driving mechanism 8, and the bottom of the rake tooth 7 to be tested is fixed on the side wall of the driving mechanism 8 through the inner-side of the rake tooth, and the inner-side of the rake tooth is fixed in the inner-side testing structure, and the inner angle of the rake tooth is adjusted.
Specifically, the rake teeth to be tested are fixed at the bottom of the mounting mechanism 7, the horizontal to-be-tested position of the rake teeth is regulated by the horizontal movement of the movable frame 2, the vertical to-be-tested position of the rake teeth is regulated by the vertical movement of the lifting seat 22, firstly, the angle of the rake teeth can be regulated through the structure in the mounting mechanism 7, secondly, the rake teeth can be driven to simulate the rotating state in the actual working process, so that the actual scene of the rake teeth is better simulated;
it should be noted that for adjustment of the tine position, in order to hit the tines more accurately, the distance between the tines and the firing mechanism 4 needs to be controlled so that the test ball can make contact with the tines during the straight line movement after being knocked out.
The fixed simulation mechanism comprises a fixed frame 3, a transmitting mechanism 4 and a circulating mechanism 5;
the mount 3 passes through the bolt fastening on the roof of testboard 1, install two sets of protection components that the symmetry set up on the lateral wall of one side of mount 3 orientation adjustable shelf 2, protection component includes subassembly one 31 and subassembly two 32, subassembly one 31 is including fixed frame, folding baffle and connecting strip (the connecting strip is iron), subassembly two 32 are including magnetism and inhale the seat, fixed frame passes through the screw fixation on the lateral wall of mount 3, magnetism is inhaled the seat and is passed through the screw fixation on the lateral wall of adjustable shelf 2, the connecting strip is inhaled mutually through magnetism and is fixed as an organic wholely between the seat with magnetism.
The transmitting mechanism 4 and the circulating mechanism 5 are respectively installed on two sides of the fixing frame 3, wherein the transmitting mechanism 4 is opposite to one side where the rake teeth are installed, the top of the fixing frame 3 is further provided with a feeding mechanism 6, the feeding mechanism 6 comprises a stock box and a rotating plate 61, a top frame 33 is fixedly installed on the top wall of the fixing frame 3 through bolts, the stock box is fixedly arranged between the top frames 33 through bolts, a motor IV is installed on the top frame 33 through bolts, the rotating plate 61 is installed on the end part of an output shaft of the motor IV, one end of the rotating plate 61 moves circularly along the circumferential inner wall of the stock box, a feeding pipe is further connected between the stock box and the transmitting mechanism 4, test balls are fed into the feeding pipe one by one through the rotating plate 61, and a circulating pipe is further connected between the circulating mechanism 5 and the feeding pipe, so that the recovered test balls are fed back into the feeding pipe for reuse.
Specifically, a plurality of test balls (hard plastic materials) are poured into the storage box, enter the transmitting mechanism 4 through the feeding pipe to transmit, impact the rake teeth, fall down after impact, enter the circulating mechanism 5 along the sliding plate 12, and then fall into the feeding pipe again through the circulating pipe to circulate for a plurality of times.
As shown in fig. 5-6 and 19, the launching mechanism 4 includes a launch barrel 41, a driver 42, and an ejection structure 44;
the utility model discloses a test ball test device, including fixing frame 3, support 34 is fixed through the bolt fastening on the lateral wall of one side of mount 3, a transmitting section of thick bamboo 41 passes through the bolt fastening between the roof of support 34 and the lateral wall of mount 3, and set up the import with conveying pipe looks adaptation on the roof of a transmitting section of thick bamboo 41, import also with test ball assorted, and set up the square groove with test ball looks adaptation in a transmitting section of thick bamboo 41, set up the arc groove on the diapire of square groove, arc groove department still inlays and has the blotter, in order to slow down the effort after the test ball falls down, the side opening has all been seted up on the both sides lateral wall of a transmitting section of thick bamboo 41, install horizontal dead lever between the inner wall of side opening, ejection structure 44 slides between the dead lever of both sides.
The inlet is further provided with a rotating plate 411, the rotating plate 411 is in a cam structure, a motor six connected with the rotating plate 411 is mounted on the top wall of the transmitting cylinder 41 through bolts, the motor six drives the rotating plate 411 to perform circular motion, and each time the rotating plate 411 rotates for one circle, the rotating plate 411 just passes through one test ball, so that the falling of the test ball is controlled.
The driving piece 42 is in a Y-shaped structure, a cuboid-shaped fixed block is fixedly arranged on the top wall of the transmitting cylinder 41 through a screw, a linkage shaft is connected between the driving pieces 42 on two sides, the linkage shaft penetrates through the fixed block and is rotatably arranged with the fixed block, a motor five is further arranged on one side of the fixed block on the top wall of the transmitting cylinder 41 through a bolt, a transmission assembly 43 connected with the linkage shaft is arranged on the end part of an output shaft of the motor five, the transmission assembly 43 comprises a synchronous track, a driving wheel and a driven wheel, the driving wheel is arranged on the end part of the output shaft of the motor five, the driven wheel is fixedly sleeved on the outer wall of the linkage shaft, and the synchronous track is arranged between the driving wheel and the driven wheel, so that the rotation output of the motor five can drive the driving pieces 42 on two sides to synchronously rotate and adjust.
The ejection structure 44 includes two sliding members 441 and a first push plate 443, where the two sliding members 441 are in a disc structure, and a connecting rod 442 is inserted between them, the connecting rod 442 slides on the fixing rods on two sides, and the connecting rod 442 penetrates the first push plate 443 and is fixed together with the first push plate 443 through adhesion, the first push plate 443 slides between the inner walls of the square grooves and has no friction between the contact surfaces of the first push plate 443, the connecting rod 442 and the fixing rods have no friction, and a first spring (not shown in the figure) connected with the first push plate 443 is welded on the inner wall of one side of the ejection cylinder 41 on one side of the first push plate 443, so as to realize the ejection effect on the test balls.
Specifically, the test ball falls into the launching tube 41 through the inlet, the ejection structure 44 is located at the position of the side hole near the innermost end, but the driving member 42 and the sliding member 441 are still in contact, only the first push plate 443 is located at one side of the inlet position, so that the falling test ball can fall in front of the first push plate 443, immediately, the PLC controller 11 starts the motor five to drive the driving member 42 to rotate anticlockwise as shown in fig. 5, so that the driving member 42 drives the sliding member 441 to slide to the right side as shown in fig. 5 and apply force to the first spring to enable the first spring to accumulate potential energy, when the driving member 42 is separated from the sliding member 441, the sliding member 441 at this time does not slide to the end of the side hole yet, but because the force of the driving member 42 on the first spring potential energy is lost, the ejection structure 44 ejects forward along the fixed rod, so as to drive the test ball to synchronously eject and finally hit the rake teeth rotating to the vertical downward position along a straight line, and impact force is generated on the rake teeth.
As shown in fig. 7 to 8, the circulation mechanism 5 includes a circular ring seat, a circular plate 51, a base 52, and a shift lever 54;
the base 52 is fixed at one end of the fixed slot by a bolt, the base 52 is internally provided with an inner slot 521, the middle of the inner slot 521 is movably provided with a lifting platform 522 along the vertical direction, the bottom of the lifting platform 522 is internally provided with a built-in lifting motor (not shown in the figure) in the base 52, the top surface of the lifting platform 522 is concavely arranged so as to better stabilize the test ball, and the bottom wall of the inner slot 521 is obliquely arranged towards the middle so that the test ball falling back to the inner slot 521 can better fall on the lifting platform 522 to properly guide the movement thereof.
The circular ring seat is fixed on the base 52 through bolts, the circular plate 51 is fixed on the back of the circular ring seat through bolts, a sliding rail is arranged in the circular ring seat, one side of the sliding rail is fixedly provided with a fixing strip 53 which is connected with the circular ring seat into a whole through screws, two ends of the fixing strip 53 are embedded with a first contact sensor (not shown in the figure) which is connected with the PLC 11 through electric signals, a bottom hole which is matched with the lifting table 522 is arranged at the bottom end of the sliding rail, the bottom hole is positioned right above the lifting table 522, a motor seven and a motor eight are arranged on the side wall of the circular plate 51 through bolts, the motor seven is positioned in the middle of the circular plate 51, the motor eight is positioned at the edge of the circular plate 51, a connecting disc is arranged in the middle of the side wall of the other side of the circular plate 51, an output shaft of the motor seven is fixedly connected with a connecting column, a deflector rod 54 is welded on the outer wall of the connecting disc, the other end of the deflector rod 54 is positioned in the sliding rail, a side wall of the circular ring seat, one end, which is close to the top, is provided with a discharge hole 55, the other end of the circular ring seat is fixedly connected with a conveying pipe, and penetrates through the fixing frame 3 and is fixedly connected with a discharge pipe, and is fixedly connected with the discharge plate, the two side of the circular plate, the circular plate is fixedly connected with the two side wall and the other side wall is fixedly connected with a second push plate 56, which is fixedly connected with the two side of the push plate 56.
Specifically, the falling test ball slides into the inner groove 521 through the sliding plate 12, slides onto the lifting platform 522 along the gradient of the inner groove 521, then the PLC controller 11 starts the lifting motor to drive the lifting platform 522 to rise to the bottom hole of the sliding rail to suspend, the PLC controller 11 starts the motor seven to drive the deflector rod 54 to do circular motion, the deflector rod 54 starts to move from the bottom end of the fixed strip 53, the test ball is driven to synchronously move along the sliding rail when passing through the bottom hole in the process, when the test ball contacts with the top end of the fixed strip 53, the contact sensor on the side is triggered, at the moment, the PLC controller 11 controls the lifting motor to reset, simultaneously, the motor seven is suspended and started, the motor eight drives the push plate two 56 to move to the side where the discharge hole 55 is located, the test ball positioned in front of the push plate two 56 is pushed into the conveying pipe and finally falls into the conveying pipe, then the motor eight is reset, after the reset, the motor seven is started again and drives the deflector rod 54 to reversely rotate, and when the deflector rod 54 is rotated back to contact with the fixed strip 53, the contact sensor on the side is triggered, and the PLC controller 11 stops.
As shown in fig. 9 to 11, the mounting mechanism 7 includes a fixed case, a first gear 73, a second gear 74, and a holder 72;
The gear one 73 and the gear two 74 are meshed with each other, a rotating shaft 71 fixedly connected with the gear two 74 is penetrated and arranged in the middle of the gear two 74, one end of the rotating shaft 71 is rotatably arranged on the inner wall of the fixed box through a bearing, the other end of the rotating shaft 71 is positioned outside the fixed box, a connecting groove 711 is formed in the end of the rotating shaft, the gear one 73 and the clamping seat 72 are fixedly connected through a connecting shaft, the connecting shaft is rotatably arranged between the inner walls of the fixed box through a bearing, the gear one 73 and the gear two 74 are bevel gears and are meshed with each other, an electromagnetic lock body one 75 (the contact surface of the electromagnetic lock body one 75 is a silicon steel sheet, the connecting parts of the rotating shaft 71 and the connecting shaft and the electromagnetic lock body one 75 are made of iron so that after the electromagnetic lock body one 75 is electrified, can be adsorbed and fixed by suction force), the first electromagnetic lock body 75 is fixed on the inner wall of the fixed box through screws, a power supply 76 is arranged between the inner walls of the fixed box through screws, the power supply 76 is connected with the first two electromagnetic lock bodies 75 through wires, the opening and the closing of the first two electromagnetic lock bodies 75 can be simultaneously controlled, a slot matched with the end parts of the rake teeth is formed in the clamping seat 72, two symmetrically arranged positioning clamps 77 are also arranged on the bottom wall of the clamping seat 72, the positioning clamps 77 are in a U-shaped structure, a second contact sensor (not shown in the figure) connected with the PLC 11 through electric signals is embedded on the concave surface of the positioning clamps 77, one side of each positioning clamp 77 is connected with an electric push rod, the electric push rod is fixed on the bottom wall of the clamping seat 72 through screws, a pressing type switch key is also embedded on the bottom wall of the clamping seat 72, can be used for manually controlling the opening and closing of the two electric push rods.
Specifically, the end part of the rake teeth is inserted into the slot, then the switch key is pressed down, the electric push rod is started, the positioning clamp 77 is driven to move to the middle to clamp the end part of the rake teeth, and when the contact sensor II is triggered, the electric push rod at the side stops;
when the rotation shaft 71 rotates, the gear two 74 is driven to rotate synchronously, along with the rotation of the gear two 74, the gear one 73 also rotates synchronously and drives the rake teeth fixed on the clamping seat 72 to rotate and adjust, the rake teeth are stopped after being adjusted to a proper angle, and after the adjustment is finished and under the condition that the adjustment is not needed, the power supply 76 is started through the PLC 11, so that the electromagnetic lock body one 75 passes through current, and the rotation shaft 71 and the connection shaft are sucked to stabilize the gear one 73 and the gear two 74, so that the angle is prevented from changing in the test process.
As shown in fig. 12 to 18, the driving mechanism 8 includes a connecting cylinder, a fixing plate 81, an adjusting member one 82 and an adjusting member two 83;
the connecting cylinder is rotatably arranged between the inner walls of the connecting sleeve 23, a limit groove (not shown in the figure) which is matched with the connecting plate II 84 is formed in the inner wall of the connecting sleeve 23, one end of the connecting cylinder is opened and is fixed with one side wall of the fixing box through a screw, the connecting plate II 84 which is integrally connected with the connecting cylinder through a screw is arranged at the other end of the connecting cylinder, the connecting plate II 84 is in a circular structure, a circular connecting plate I815 is rotatably arranged in the middle of the connecting plate II 84, a flange which is circumferentially arranged along the edge of the connecting plate I815 is arranged and is rotatably arranged between the inner walls of the connecting plate I815 (as shown in the cross section of fig. 15 and 16), an external power supply 86 is arranged on the outer wall of one side of the fixing box through a screw, the external power supply 86 is independently connected with the connecting plate I815 and the connecting plate II 84 through wires, the connecting plate I815 and the connecting plate II 84 are made of silicon steel plates, the connecting sleeve 23 is made of iron, and the connecting plates 23 can be integrally connected with the connecting plate I815 and the connecting plate II 84 through controlling current conduction respectively;
The fixing plate 81 is fixed in the middle of the first connecting plate 815 by a screw, an insulating layer (not shown in the figure) is arranged between the first connecting plate 815 and the fixing plate 81, wall grooves arranged along the length direction of the fixing plate 81 are formed in the side walls of the two sides of the fixing plate 81, a second screw rod 811 (the driving motor of the second screw rod is arranged in the fixing plate 81 and is not shown in the figure) is arranged in the wall grooves in a rotating mode, grooves 812 are formed in the top end and the bottom end of the fixing plate 81, fixing cylinders 813 with the same height as the grooves 812 are welded in the grooves 812, a second spring is sleeved on the outer wall of the fixing cylinders 813, the bottom end of the second spring is welded on the bottom wall of the grooves 812, piston columns 814 are arranged between the inner walls of the fixing cylinders 813 in a sliding mode, limiting blocks are welded on the outer wall surfaces of the piston columns 814, and the limiting blocks slide between the inner walls of the fixing cylinders 813, so that the piston columns 814 cannot be separated from the fixing cylinders 813 all the time;
the first adjusting piece 82 is provided with two adjusting pieces and is in a U-shaped structure, the first adjusting pieces 82 are respectively positioned at the top and the bottom of the fixed plate 81, one ends of the two piston columns 814 are respectively fixed with the first adjusting pieces 82 at the two sides through welding, the other ends of the second springs are also fixed with the lower surface of the first adjusting pieces 82 through welding, the first adjusting pieces 82 are also provided with two symmetrically distributed handle grooves I, the second adjusting pieces 83 are provided with two symmetrically distributed handle grooves II, a linkage handle 85 is connected between the handle grooves I at the same side and the handle grooves II through shafts, guide blocks 832 are also welded on the side walls at the two sides of the second adjusting pieces 83, contact sensors III (not shown in the figure and used for judging the position condition of the guide blocks 832 in the wall grooves) are embedded at the two ends of the guide blocks 832, the guide blocks 832 slide between the inner walls of the wall grooves, and the screw rods 811 penetrate the guide blocks 832 and are in threaded transmission with the guide blocks;
The electromagnetic lock body II 821 and the electromagnetic lock body III 831 are respectively embedded on one end of the first adjusting piece 82 and one end of the adjusting piece (the internal power supply is arranged in the first adjusting piece 82 and the second adjusting piece 83 and is used for supplying power to the electromagnetic lock body II 821 and the electromagnetic lock body III 831, but not shown in the drawing), wherein the outer end of the electromagnetic lock body II 821 is arranged in a cambered surface structure, the radian of the electromagnetic lock body II is consistent with the radian of the inner wall of the connecting cylinder, and the connecting groove 711 and the inner wall of the connecting cylinder are embedded with iron sheets.
Specifically, when the guide block 832 is located at the right end of the wall slot shown in fig. 15, the electromagnetic lock body three 831 at this time is completely moved into the connecting slot 711, the contact sensor three at this side is triggered, the signal is transmitted to the PLC controller 11, the electromagnetic lock body three 831 is controlled to be started immediately by the PLC controller 11, the electromagnetic lock body three is adsorbed and fixed with the connecting slot 711 by suction, that is, the adjusting member two 83 at this time is fixedly connected with the rotating shaft 71, meanwhile, the PLC controller 11 starts by controlling the external power supply 86 and makes the current on the connecting plate one 815 to make it be adsorbed and fixed with the connecting sleeve 23, and also starts by controlling the power supply 76, makes the current on the electromagnetic lock body one 75 cut off, then, the rotation of the rotating shaft 71 can be driven by the rotation output of the motor three, so that the gear two 74 drives the gear one 73 to mesh with rotation, then the angle of the rake teeth is adjusted, after the adjustment is proper, the motor three is stopped, and the current on the rotating shaft 71 and the connecting shaft 71 are adsorbed and fixed, in this process, although the fixing plate 81 rotates along with the connecting plate 815, the electromagnetic lock body two is always not contacted with the inner wall 821 of the connecting tube;
When the guide block 832 is positioned at the left end of the wall groove shown in fig. 15, the contact sensor III on the side is triggered, the electromagnetic lock body III 831 at the moment is completely moved out of the connecting groove 711, the concave part of the regulating part II 83 is just contacted with the end wall of the fixed plate 81, one end of the regulating part II 83 is just positioned in the middle of the two regulating parts I82, the linkage handle 85 at the moment is in a vertical state, the electromagnetic lock body II 821 is in contact with the inner wall of the connecting cylinder, at the moment, after the contact sensor III is triggered, a signal is transmitted to the PLC 11, the PLC 11 controls the conduction of current in the electromagnetic lock body II 821 to enable the electromagnetic lock body II to be adsorbed with the connecting cylinder into a whole, meanwhile, the current on the connecting plate II 84 is disconnected, the connecting sleeve 23 at the moment is adsorbed with the connecting plate II 84 into a whole, and then the rotating movement of the rake teeth can be driven through the rotating output of the motor III;
in this changing process, when the second adjusting member 83 moves to a side close to the first adjusting member 82, the second spring applies a force to the first adjusting member 82, and at the same time, the linkage handle 85 gradually adjusts to a state change perpendicular to the first adjusting member 82, whereas when the second adjusting member 83 moves to a side far from the first adjusting member 82, the linkage handle 85 moves accordingly, and at the same time, the first adjusting member 82 applies a force to the second spring.
In this embodiment, the motors are all rotary motors except for the second motor and the eighth motor which are linear motors.
Working principle:
firstly, mounting the rake teeth to be tested on a clamping seat 72, adjusting the testing position of the rake teeth to be tested in the horizontal and vertical directions by moving a movable frame 2 and a lifting seat 22, and simultaneously connecting a first component 31 and a second component 32 on two sides to form peripheral protection;
then, the second adjusting part 83 in the driving mechanism 8 is controlled to be fixedly connected with the rotating shaft 71 in the mounting mechanism 7, the connecting sleeve 23 is controlled to form adsorption connection with the first connecting plate 815, so that the rotating shaft 71 can rotate and output, the rake teeth to be tested are driven to adjust the angle through the meshing action of the first gear 73 and the second gear 74, after the rake teeth are adjusted to be proper, the rotating shaft 71 and the connecting shaft are locked, so that the first gear 73 and the second gear 74 are kept motionless, the second adjusting part 83 is controlled to be separated from the rotating shaft 71, the first adjusting part 82 and the connecting cylinder are controlled to be fixedly integrated through adsorption, and the connecting sleeve 23 and the second connecting plate 84 are controlled to form adsorption connection, so that the connecting cylinder drives the mounting mechanism 7 and the rake teeth to be tested at the bottom of the connecting cylinder to synchronously rotate and output, and the motion state of the rake teeth in practice is simulated;
Then, a plurality of test balls are poured into the storage box, the test balls are controlled to fall into the feed pipe one by one through the rotation of the rotating plate 61, the test balls are controlled to fall into the emission cylinder 41 one by one through the rotation of the rotating plate 411, then the ejection structure 44 is controlled to eject the test balls out along a straight line by utilizing the rotation effect of the driving piece 42, the impact effect on the rake teeth is formed, the test balls which fall after impact slide into the inner groove 521 of the base 52 along the slide plate 12, fall on the lifting table 522 by virtue of the high-low potential of the bottom wall of the inner groove 521, are conveyed into the slide rail through the lifting table 522, are driven to move to one side of the discharge hole 55 by the rotation of the deflector rod 54, and are returned into the feed pipe through the circulation pipe, so that the test can be circularly performed for a plurality of times, and the influence caused by the impact of the granular materials on the rake teeth in actual work is simulated.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; may be directly connected, may be in communication with the interior of two elements or may be in interaction with two elements. The meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The rake teeth performance simulation test system of the rake dryer provided by the embodiment of the application is described in detail, and specific examples are applied to the description of the principle and the implementation mode of the application, and the description of the above examples is only used for helping to understand the technical scheme and the core idea of the application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (8)
1. A rake tine performance simulation test system of a rake dryer, comprising:
the test bench (1), install slide (12) on the test bench (1), the one end slope setting of slide (12), and install the control terminal with PLC controller (11) on the test bench (1);
the mobile test mechanism comprises a movable frame (2), a lifting seat (22), a mounting mechanism (7) and a driving mechanism (8), wherein the movable frame (2) is arranged on the test table (1) in a sliding manner along a linear direction, the lifting seat (22) is arranged between the inner walls of the movable frame (2) in a sliding manner along a vertical direction, and a connecting sleeve (23) is further arranged on one side of the lifting seat (22) in a rotating manner;
The connecting sleeve (23), the driving mechanism (8) and the mounting mechanism (7) are sequentially connected;
the driving mechanism (8) comprises a connecting cylinder, a fixing plate (81), a first adjusting piece (82) and a second adjusting piece (83), wherein a second connecting plate (84) is arranged at one end of the connecting cylinder, the other end of the connecting cylinder is connected with the mounting mechanism (7), a first circular connecting plate (815) is rotatably arranged in the middle of the second connecting plate (84), the fixing plate (81) is fixed on the first connecting plate (815), the connecting cylinder is rotatably arranged in the connecting sleeve (23), and the first connecting plate (815) and the second connecting plate (84) can be connected with the connecting sleeve (23) into a whole through adsorption;
the electromagnetic lock comprises a connecting cylinder, a first adjusting piece (82) and a second adjusting piece (83), wherein the first adjusting piece (82) is arranged on the top and the bottom of the connecting cylinder, a linkage handle (85) is connected between the first adjusting piece (83) and the second adjusting piece (82), an electromagnetic lock body II (821) and an electromagnetic lock body III (831) are respectively arranged on the end parts of the first adjusting piece (82) and the second adjusting piece (83), and the electromagnetic lock body II (821) can be adsorbed and fixed with the inner wall of the connecting cylinder;
The mounting mechanism (7) comprises a fixed box and a clamping seat (72), wherein a first gear (73) and a second gear (74) which are meshed with each other are arranged in the fixed box, the clamping seat (72) is connected and synchronous with the first gear (73), rake teeth to be tested are fixed at the bottom of the clamping seat (72), a rotating shaft (71) fixed with the second gear (74) is penetrated in the middle of the second gear (74), and the rotating shaft (71) and the third electromagnetic lock body (831) can be adsorbed and fixed;
fixed analog mechanism, fixed analog mechanism includes mount (3), emitting mechanism (4) and circulation mechanism (5), and mount (3) are installed on testboard (1) and are set up relatively with movable frame (2), and emitting mechanism (4) and circulation mechanism (5) set up respectively in the both sides of mount (3), and the top of emitting mechanism (4) is provided with feeding mechanism (6), and still is connected with the conveying pipe between it, and the end of slide (12) leads to circulation mechanism (5), and still is provided with the circulating pipe with conveying pipe intercommunication on the top lateral wall of circulation mechanism (5).
2. The rake teeth performance simulation test system of the rake dryer according to claim 1, wherein two groups of symmetrically arranged protection components are further installed on the side wall of the fixed frame (3) facing the movable frame (2), each protection component comprises a first component (31) and a second component (32), each first component (31) comprises a fixed frame, a folding baffle and a connecting strip, each second component (32) comprises a magnetic attraction seat, the fixed frame is installed on the side wall of the fixed frame (3), the magnetic attraction seat is fixed on the side wall of the movable frame (2), the connecting strips are fixed with the magnetic attraction seat through magnetic attraction, and the connecting strips are fixed with the folding baffle through screws;
And a motor III is arranged on the side wall of one side of the lifting seat (22), and an output shaft of the motor III penetrates through the inside of the lifting seat (22) and is fixedly connected with the side wall of the connecting sleeve (23).
3. The rake teeth performance simulation test system of the rake dryer according to claim 2, wherein the transmitting mechanism (4) comprises a transmitting cylinder (41), a driving piece (42) and an ejection structure (44), a bracket (34) is arranged on the side wall of a fixed frame (3), the transmitting cylinder (41) is arranged between the bracket (34) and the fixed frame (3), an inlet matched with a feeding pipe is formed in the top wall of the transmitting cylinder (41), a rotating piece (411) is rotatably arranged at the inlet, the rotating piece (411) is arranged in a cam structure, a square groove is formed in the transmitting cylinder (41), an arc groove is formed in the bottom wall of the square groove, and a buffer cushion is embedded on the inner wall of the transmitting cylinder (41);
the driving piece (42) is arranged in a Y-shaped structure, a linkage shaft is connected between the driving pieces (42) on two sides, a fixing block and a motor five are further installed on the top wall of the fixing frame (3), the linkage shaft penetrates through the fixing block and is rotatably arranged with the fixing block, a transmission assembly (43) is arranged on one side of the output end of the motor five, and the linkage shaft is connected with the transmission assembly (43).
4. A rake teeth performance simulation test system of a rake dryer according to claim 3, characterized in that the ejection structure (44) comprises two sliding parts (441) and a first pushing plate (443), the two sliding parts (441) are arranged in a disc-shaped structure, a connecting rod (442) is connected between the two sliding parts, side holes are formed in the side walls of the two sides of the transmitting cylinder (41), a fixing rod which is horizontally arranged is further arranged between the inner walls of the side holes, the connecting rod (442) slides on the fixing rods on the two sides, the connecting rod (442) penetrates through the first pushing plate (443) and is fixed with the first pushing plate (443) into a whole through bonding, the first pushing plate (443) slides between the inner walls of the square grooves, friction is avoided between contact surfaces of the first pushing plate (443), and a first spring is further arranged on one side of the first pushing plate (443);
the rotating piece (411) rotates 360 degrees every time the driving piece (42) rotates 120 degrees, and the ejection structure (44) is triggered once.
5. The rake teeth performance simulation test system of the rake dryer according to claim 4, wherein the circulating mechanism (5) comprises a circular ring seat, a base (52) and a deflector rod (54), the base (52) is arranged between the inner walls of the test bench (1), the circular ring seat is arranged on the base (52), and a circular plate (51) matched with the circular ring seat is also arranged on one side wall of the circular ring seat;
An inner groove (521) is formed in the base (52), a lifting table (522) is movably arranged in the middle of the inner groove (521) along the vertical direction, the middle of the lifting table (522) is of a concave structure, and the bottom wall of the inner groove (521) is obliquely arranged towards the middle;
the lifting device is characterized in that a bottom hole is formed in the circular ring seat and opposite to the lifting table (522), a sliding rail is formed in the circular ring seat, a fixing strip (53) which is connected with the circular ring seat into a whole is arranged on one side of the sliding rail, one end of a deflector rod (54) is rotatably arranged in the sliding rail, a discharge hole (55) which is matched with and communicated with the circulating pipe is further formed in the circular ring seat, a push plate II (56) is further arranged on one side of the discharge hole (55) in the sliding rail along the linear movement, and the push plate II (56) is matched with the circulating pipe.
6. The rake teeth performance simulation test system of a rake dryer according to claim 5, wherein one end of the rotating shaft (71) is rotatably arranged on one side inner wall of the fixed box through a bearing, the other end of the rotating shaft is positioned outside the fixed box, a connecting groove (711) is formed in the end of the rotating shaft, and the connecting groove (711) is matched with the electromagnetic lock body III (831);
a power supply (76) is arranged at the joint of the inner walls of the fixed box, an electromagnetic lock body I (75) with a circular ring structure is arranged on the inner walls of the two sides of the fixed box, the power supply (76) and the electromagnetic lock body I (75) are connected and electrified through wires, the gear I (73) and the gear II (74) are bevel gears, a connecting shaft is connected between the gear I (73) and the clamping seat (72), the connecting shaft is rotatably arranged between the inner walls of the fixed box through a bearing, and the two electromagnetic lock bodies I (75) are respectively sleeved on the rotating shaft (71) and the outer wall of the connecting shaft;
The clamping seat (72) is rotatably arranged on the bottom wall of the fixed box, the bottom wall of the clamping seat (72) is provided with a slot, and two sides of the slot are also provided with symmetrically distributed positioning clamps (77).
7. The rake teeth performance simulation test system of the rake dryer according to claim 6, wherein an external power supply (86) is installed on the outer wall of the fixed box, the external power supply (86) is connected with the first connecting plate (815) and the second connecting plate (84) through wires, the first connecting plate (815) and the second connecting plate (84) are made of silicon steel sheets, and the connecting sleeve (23) is made of iron;
wall grooves are formed in the side walls of the two sides of the fixed plate (81) along the length direction of the fixed plate, a second screw rod (811) is rotationally arranged in the wall grooves, guide blocks (832) are welded on the side walls of the two sides of the second adjusting piece (83), the guide blocks (832) slide between the inner walls of the wall grooves, and the second screw rod (811) penetrates through the inside of the guide blocks (832) and is in threaded transmission with the guide blocks;
the top wall and the bottom wall of the fixed plate (81) are provided with grooves (812), fixed cylinders (813) with the same height are arranged in the grooves (812), piston columns (814) are slidably arranged between the inner walls of the fixed cylinders (813), the top ends of the piston columns (814) are fixedly connected with the first adjusting piece (82), and the outer walls of the fixed cylinders (813) are further sleeved with springs II.
8. The rake teeth performance simulation test system of a rake dryer according to claim 7, wherein when the electromagnetic lock body III (831) moves into the connecting groove (711), the electromagnetic lock body III (821) and the connecting groove are connected into a whole through adsorption, the electromagnetic lock body II (821) is not contacted with the inner wall of the connecting cylinder, the adjusting parts I (82) at the two sides are mutually closed together, the guide block (832) also slides to one end of the wall groove, which is close to one side where the adjusting parts II (83) are located, in this state, the electromagnetic lock body I (75) is in a state of no current, the connecting sleeve (23) and the connecting plate I (815) are connected into a whole through adsorption, namely, after the motor III is started, the output shaft drives the connecting sleeve (23) to rotate, so that the rotating shaft (71) synchronously drives the gear II (74) to rotate, and then the rake teeth to be tested, which are arranged on the clamping seat (72), are driven by the meshed transmission function control gear I (73) to rotate around the center of the connecting shaft;
when the electromagnetic lock body II (821) is in contact with the inner wall of the connecting cylinder and is adsorbed together, the electromagnetic lock body III (831) is in a separation state with the connecting groove (711), the guide block (832) slides to one end of the wall groove far away from one side where the regulating part II (83) is located, the concave part of the regulating part II (83) at the moment is in contact with one side end wall of the fixed plate (81), the linkage handle (85) is in a state perpendicular to the regulating part I (82), in the state, the connecting sleeve (23) and the connecting plate II (84) are connected into a whole through adsorption, the electromagnetic lock body I (75) is in a current conducting state, the rotating shaft (71) and the connecting shaft are kept motionless, namely, after the motor III is started, the output shaft drives the connecting sleeve (23) to rotate, so that the connecting cylinder synchronously drives the mounting mechanism (7) to rotate, and the tooth to be tested mounted on the clamping seat (72) is driven to rotate and regulate by taking the center of the rotating shaft (71) of the motor III as the center of a circle.
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| CN202311316782.5A CN117054035B (en) | 2023-10-12 | 2023-10-12 | Rake tooth performance simulation test system of rake dryer |
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| CN202311316782.5A CN117054035B (en) | 2023-10-12 | 2023-10-12 | Rake tooth performance simulation test system of rake dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117969328A (en) * | 2024-03-28 | 2024-05-03 | 常州逸盛机电技术有限公司 | Conveying pipeline performance simulation test mechanism for pneumatic conveying system |
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