CN114526928B - Steering wheel load test platform - Google Patents
Steering wheel load test platform Download PDFInfo
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- CN114526928B CN114526928B CN202210166079.XA CN202210166079A CN114526928B CN 114526928 B CN114526928 B CN 114526928B CN 202210166079 A CN202210166079 A CN 202210166079A CN 114526928 B CN114526928 B CN 114526928B
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- 238000012360 testing method Methods 0.000 title claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 239000006247 magnetic powder Substances 0.000 claims abstract description 22
- 238000005303 weighing Methods 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000006870 function Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 241000252254 Catostomidae Species 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to the technical field of steering wheel tests, in particular to a steering wheel load test platform, which comprises a bottom plate, wherein a frame body is arranged on the surface of the bottom plate, a steering wheel main body is arranged above the bottom plate, a control box is fixed on one side of the surface of the bottom plate, a falling mechanism is arranged above the bottom plate, and the falling mechanism consists of a gas-liquid pressurizing cylinder, a linear bearing, a fixing column and a weighing sensor; the surface of the bottom plate is provided with a testing mechanism, and the testing mechanism is internally provided with a magnetic powder brake, a driven wheel body, a torque sensor and a driven shaft; an adjusting mechanism is arranged above the bottom plate, and a mounting mechanism is arranged above the steering wheel main body. The invention not only improves the convenience of the test platform in use, can conveniently and rapidly realize the product test of steering wheels with different specifications, but also provides a hard limit for the test bed, and avoids the damage to the steering wheel to be tested caused by electric, gas and liquid faults.
Description
Technical Field
The invention relates to the technical field of steering wheel testing, in particular to a steering wheel load testing platform.
Background
The steering wheel is a hand wheel which is positioned in a ship cab and used for controlling rudder movement and changing ship course, and generally the steering wheel mainly comprises a traveling motor, a traveling speed reducer, wheels, a wheel fixing support, a steering motor, a steering speed reducer, a slewing bearing, a potentiometer, a travel switch, a driver and the like, and the link of carrying out load test detection on the steering wheel before delivery through a test platform is indispensable.
Through searching, the invention with the patent number 201910734200.2 and the name of an AGV steering wheel load test detection device comprises a main frame, an auxiliary wheel, a transmission shaft, an auxiliary wheel support, a rolling bearing, a torque sensor, a magnetic powder brake, a coupler, a directional plate, a switching disc, a first mounting plate, a tension and pressure sensor, an electric turbine worm and a bottom plate. According to the invention, the auxiliary wheel is adopted to simulate and test the ground, the turbine worm is used for loading pressure for a product, the tension pressure sensor is used for accurately collecting loading force, and research and analysis show that the detection device can realize the test of the AGV steering wheel system on the rapid and high-efficiency load performance, but has some defects to a certain extent, firstly, the detection device is complicated when the steering wheel is installed, so that the convenience of the detection device in use is seriously affected; secondly, the detection device is difficult to realize the adjusting function of the steering wheel mounting plate when in use, so that the size of the steering wheel is single when the detection device is used; furthermore, the detection device cannot reduce energy consumption and pollution, cannot accurately control the loaded load, and cannot realize the function of automatic test circulation.
Disclosure of Invention
The invention aims to provide a steering wheel load test platform, which solves the problems that the use convenience of the test platform is low, the size of a test steering wheel is single, the energy consumption and pollution cannot be reduced, the loaded load cannot be accurately controlled, and the automatic test circulation cannot be realized in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the steering wheel load test platform comprises a bottom plate, wherein a frame body is arranged on the surface of the bottom plate, and comprises a guide post, a steering wheel mounting plate, a cylinder mounting plate, a brake bracket, a sensor bracket and a driven wheel bracket; a steering wheel main body is arranged above the bottom plate, a connecting plate is fixed on the surface of the steering wheel main body, a control box is fixed on one side of the surface of the bottom plate, a falling mechanism is arranged above the bottom plate, and the falling mechanism consists of a gas-liquid pressurizing cylinder, a linear bearing, a fixed column and a weighing sensor; the surface of the bottom plate is provided with a testing mechanism, and the testing mechanism is internally provided with a magnetic powder brake, a driven wheel body, a torque sensor and a driven shaft; an adjusting mechanism is arranged above the bottom plate, and a mounting mechanism is arranged above the steering wheel main body.
Preferably, four groups of guide posts are fixed on one side of the surface of the bottom plate, the guide posts are symmetrically distributed among the adjacent guide posts, a steering wheel mounting plate is sleeved on the surface of the guide posts, an air cylinder mounting plate is arranged above the steering wheel mounting plate, a driven wheel support is fixed on the surface of the bottom plate and positioned between the guide posts, a sensor support is fixed on the surface of the bottom plate, a brake support is fixed on one side of the bottom plate, and the central axes of the brake support, the sensor support and the driven wheel support coincide.
Preferably, the gas-liquid booster cylinder is arranged at the center of the surface of the cylinder mounting plate, the input end of the gas-liquid booster cylinder is electrically connected with the output end of the control box, and the output end of the gas-liquid booster cylinder penetrates through the cylinder mounting plate and extends to the lower part of the cylinder mounting plate.
Preferably, the weighing sensor is mounted on the surface of the steering wheel mounting plate, a fixed column is arranged above the weighing sensor and located under the gas-liquid pressurizing cylinder, one end of the fixed column is fixedly connected with the surface of the steering wheel mounting plate, the linear bearings are respectively sleeved on the surface of the guide post, and the linear bearings are fixedly inlaid on the steering wheel mounting plate.
Preferably, the magnetic powder brake is mounted on the surface of the brake support, the input end of the magnetic powder brake is electrically connected with the output end of the control box, the torque sensor is mounted on the surface of the sensor support, the input end of the torque sensor is electrically connected with the output end of the control box, the output end of the torque sensor is connected with the main shaft of the magnetic powder brake through the coupler, the driven shaft is connected on the surface of the driven wheel support through the bearing, one end of the driven shaft penetrates through the driven wheel support and is connected with the input end of the torque sensor through the coupler, the driven wheel body is fixed on the surface of the driven shaft, and the driven wheel body is located under the steering wheel main body.
Preferably, the inside of adjustment mechanism includes screw rod, adjusting nut, coupling sleeve subassembly and commentaries on classics piece, the screw rod sets up the corner position department on cylinder mounting panel surface respectively, and the one end of screw rod extends to the inside of guide pillar and with guide pillar screw thread fit, the surperficial cover intrinsic commentaries on classics piece of screw rod, and the commentaries on classics piece inlay in the inside of cylinder mounting panel and with the mutual normal running fit of cylinder mounting panel, the surface cover of screw rod is equipped with adjusting nut, and adjusting nut and screw rod mutually support.
Preferably, the connecting sleeve component is arranged between the gas-liquid booster cylinder and the fixed column, and consists of a sleeve and an adjusting cylinder, the adjusting cylinder is positioned at two sides of the inside of the sleeve and can stretch out and draw back on the surface of the sleeve, one end of the sleeve is fixedly connected with the output end of the gas-liquid booster cylinder and one end of the fixed column respectively, and the connecting sleeve is used for adjusting the distance between the gas-liquid booster cylinder and the fixed column.
Preferably, the mounting mechanism comprises sucking disc, rack, spout, sticiss spring and splint, the bottom at the steering wheel mounting panel is installed to the sucking disc, and the surface of sucking disc closely laminates with the surface of connecting plate, the rack is fixed in the both sides of steering wheel mounting panel, and the structure of rack is L type structure for support to the connecting plate.
Preferably, the inner wall of rack one side has seted up the spout, and the inside of spout is provided with splint for press from both sides tight spacing to the connecting plate, the one end of splint is fixed with sticiss spring, and sticiss the surface of spring one end and the inner wall looks fixed connection of spout.
Compared with the prior art, the invention has the beneficial effects that: according to the steering wheel load test platform, the placing frames, the clamping plates, the suckers and the compression springs are arranged, the steering wheel main body is placed between the placing frames, the clamping plates are pulled again, the connecting plate is arranged on the surfaces of the placing frames, at the moment, thrust is generated on the clamping plates under the action of the compression springs, the clamping plates slide downwards under the action of the sliding grooves, the connecting plates are clamped and fixed, meanwhile, the connecting plates can be more stable under the action of the suckers, so that the function that the steering wheel main body is convenient to install by the test platform is achieved, and the convenience degree of the test platform in use is improved; the screw rod, the adjusting nut, the rotating block and the connecting sleeve component are arranged, so that the screw rod can move upwards under the threaded fit with the guide post, at the moment, the rotating block is fixed with the screw rod, so that the rotating block rotates in the cylinder mounting plate and synchronously upwards along with the screw rod to drive the cylinder mounting plate upwards, at the moment, the connecting sleeve component carries out telescopic adjustment along with the movement of the cylinder mounting plate, so that the adjusting function of the test platform is realized, the product test of steering wheels with different specifications can be conveniently and rapidly realized, meanwhile, the safety height is limited under the action of the screw rod and the adjusting nut, the hard limit is provided for the test bench, and the damage to the tested steering wheel due to electric, gas and liquid faults is avoided;
The wheel load testing platform realizes gas-liquid linkage through the gas-liquid pressurizing cylinder, omits a complicated hydraulic system, simplifies the structure, simultaneously eliminates a hydraulic station system, eliminates throttle heating and leakage of a pump valve of a conventional hydraulic system, and reduces energy consumption and pollution; the load testing platform of the wheel realizes load measurement through a PLC system on the surface of a control box, and the PLC system controls the gas-liquid pressurizing cylinder to control the electromagnetic valve in the interface gas circuit through the acquired data, so that the accurate control of the load is realized; the load testing platform of the round realizes control of the system valve through PLC control, realizes automation of testing, and can realize automatic testing circulation according to the flow by only one-key operation.
Drawings
FIG. 1 is a schematic view of a three-dimensional appearance structure of the present invention;
FIG. 2 is a schematic diagram of the front view of the present invention;
FIG. 3 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 4 is an enlarged schematic view of the mounting mechanism of the present invention;
FIG. 5 is a schematic view of a partial cross-sectional structure of an adjusting mechanism according to the present invention;
fig. 6 is a schematic view of a partial top view of the mounting mechanism of the present invention.
In the figure: 1. a bottom plate; 101. a guide post; 102. steering wheel mounting plate; 103. a cylinder mounting plate; 104. a brake bracket; 105. a sensor holder; 106. a driven wheel bracket; 2. a control box; 3. a falling mechanism; 301. a gas-liquid pressurizing cylinder; 302. a linear bearing; 303. fixing the column; 304. a weighing sensor; 4. a testing mechanism; 401. a magnetic powder brake; 402. a driven wheel body; 403. a torque sensor; 404. a driven shaft; 5. steering wheel main body; 501. a connecting plate; 6. an adjusting mechanism; 601. a screw; 602. an adjusting nut; 603. a coupling sleeve assembly; 604. a rotating block; 7. a mounting mechanism; 701. a suction cup; 702. a placing rack; 703. a chute; 704. compressing the spring; 705. and (3) clamping plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and furthermore, the terms "first", "second", "third", "up, down, left, right", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; all other embodiments, which may be directly or indirectly through intermediaries, which may be obtained by a person of ordinary skill in the art without inventive effort based on the embodiments of the present invention are within the scope of the present invention.
The invention provides a steering wheel load test platform, which is structurally shown in fig. 1,2 and 3, and comprises a bottom plate 1, wherein a frame body is arranged on the surface of the bottom plate 1, the frame body comprises guide posts 101, steering wheel mounting plates 102, air cylinder mounting plates 103, brake supports 104, sensor supports 105 and driven wheel supports 106, four groups of guide posts 101 are fixed on one side of the surface of the bottom plate 1, the guide posts 101 are symmetrically distributed between the adjacent guide posts 101, the steering wheel mounting plates 102 are sleeved on the surface of the guide posts 101, the air cylinder mounting plates 103 are arranged above the steering wheel mounting plates 102, a driven wheel support 106 is fixed on the surface of the bottom plate 1, the driven wheel supports 106 are positioned between the guide posts 101, the sensor supports 105 are fixed on the surface of the bottom plate 1, the brake supports 104 are fixed on one side of the bottom plate 1, the central axes of the brake supports 104, the sensor supports 105 and the driven wheel supports 106 coincide, a steering wheel main body 5 is arranged above the bottom plate 1, a connecting plate 501 is fixed on the surface of the steering wheel main body 5, and a control box 2 is fixed on one side of the surface of the bottom plate 1.
Further, as shown in fig. 2 and 3, a dropping mechanism 3 is arranged above the base plate 1, the dropping mechanism 3 is composed of a gas-liquid booster cylinder 301, a linear bearing 302, a fixed column 303 and a weighing sensor 304, the gas-liquid booster cylinder 301 is arranged at the center position of the surface of the cylinder mounting plate 103, the gas-liquid booster cylinder 301 is of an ADB series, the input end of the gas-liquid booster cylinder 301 is electrically connected with the output end of the control box 2, the output end of the gas-liquid booster cylinder 301 penetrates through the cylinder mounting plate 103 and extends to the lower side of the cylinder mounting plate 103, the weighing sensor 304 is arranged on the surface of the steering wheel mounting plate 102, the weighing sensor 304 is of a Z6FD series, the fixed column 303 is arranged above the weighing sensor 304, the fixed column 303 is arranged right below the surface of the gas-liquid booster cylinder 301, meanwhile, one end of the fixed column 303 is fixedly connected with the surface of the steering wheel mounting plate 102, the linear bearings 302 are respectively sleeved on the surface of the guide post 101, the linear bearings 302 are embedded and fixed with the steering wheel mounting plate 102, the surface of the bottom plate 1 is provided with a testing mechanism 4, the testing mechanism 4 is internally provided with a magnetic powder brake 401, a driven wheel body 402, a torque sensor 403 and a driven shaft 404, the magnetic powder brake 401 is arranged on the surface of a brake bracket 104, the type of the magnetic powder brake 401 can be TJ series, the input end of the magnetic powder brake 401 is electrically connected with the output end of the control box 2, the torque sensor 403 is arranged on the surface of the sensor bracket 105, the type of the torque sensor 403 can be JIH series, the input end of the torque sensor 403 is electrically connected with the output end of the control box 2, the output end of the torque sensor 403 is connected with a main shaft of the magnetic powder brake 401 through a coupler, and the driven shaft 404 is connected on the surface of the driven wheel bracket 106 through a bearing, and one end of the driven shaft 404 penetrates through the driven wheel bracket 106 and is connected with the input end of the torque sensor 403 through a coupler, the driven wheel body 402 is fixed on the surface of the driven shaft 404, and the driven wheel body 402 is positioned under the steering wheel main body 5.
When the steering wheel test device is used, the gas-liquid booster cylinder 301 arranged above the cylinder mounting plate 103 provides a simulated load for steering wheel test, the weighing sensor 304 is arranged above the steering wheel mounting plate 102 and is used for measuring the load on the steering wheel main body 5, data are displayed on the surface of the control box 2 through the transmitter, the gas-liquid booster cylinder 301 drives the steering wheel main body 5 to be in contact with the driven wheel body 402 through the steering wheel mounting plate 102 under the control of the PLC in the control box 2, the driven shaft 404 is driven to move after approaching, the torque is transmitted to the driven shaft 404, the driven shaft 404 is connected with the input end of the torque sensor 403 through the coupler, the output end of the torque sensor 403 is connected with the main shaft of the magnetic powder brake 401 through the coupler, the magnetic powder brake 401 provides a simulated load of wheel side torque for steering wheel test, the size of the magnetic powder brake can be controlled by changing the control current through the program-controlled loading controller, and parameters such as the rotating speed, the torque, the power and the like on the torque rotating speed sensor in test are displayed on the control box 2 through the acquisition instrument, so that the test function of the steering wheel main body 5 of the test platform is tested.
Further, as shown in fig. 2, 3 and 5, an adjusting mechanism 6 is disposed above the bottom plate 1, the adjusting mechanism 6 includes a screw 601, an adjusting nut 602, a coupling sleeve component 603 and a rotating block 604, the screw 601 is disposed at a corner position on the surface of the cylinder mounting plate 103, one end of the screw 601 extends to the inside of the guide post 101 and is in threaded fit with the guide post 101, the rotating block 604 is fixedly sleeved on the surface of the screw 601, the rotating block 604 is inlaid in the inside of the cylinder mounting plate 103 and is in mutual rotating fit with the cylinder mounting plate 103, the adjusting nut 602 is sleeved on the surface of the screw 601, the adjusting nut 602 is in mutual fit with the screw 601, the coupling sleeve component 603 is disposed between the gas-liquid pressure cylinder 301 and the fixed post 303, the coupling sleeve component 603 is composed of a sleeve and an adjusting cylinder, the adjusting cylinder is disposed on two sides of the inside of the sleeve, can stretch out and draw back on the surface of the sleeve, one end of the sleeve is fixedly connected with the output end of the gas-liquid pressure cylinder 301 and one end of the fixed post 303 respectively, and is used for adjusting the distance between the gas-liquid pressure cylinder 301 and the fixed post 303.
During the use, accessible rotatory screw rod 601 makes screw rod 601 upwards move under the screw-thread fit with guide pillar 101, and at this moment, because rotating block 604 is fixed mutually with screw rod 601, makes rotating block 604 rotate in cylinder mounting panel 103 to make rotating block 604 upwards along with screw rod 601 is synchronous, drive cylinder mounting panel 103 upwards, at this moment, coupling sleeve subassembly 603 carries out flexible regulation along with the motion of cylinder mounting panel 103, in order to realize test platform's regulatory function, can conveniently realize the product test of different specification steering wheels fast.
Further, as shown in fig. 3, fig. 4 and fig. 6, the mounting mechanism 7 is arranged above the steering wheel main body 5, and the mounting mechanism 7 is composed of a sucker 701, a placing frame 702, a chute 703, a compression spring 704 and a clamping plate 705, wherein the sucker 701 is mounted at the bottom of the steering wheel mounting plate 102, the surface of the sucker 701 is tightly attached to the surface of the connecting plate 501, the placing frame 702 is fixed on two sides of the steering wheel mounting plate 102, the placing frame 702 is in an L-shaped structure and is used for supporting the connecting plate 501, the chute 703 is formed in the inner wall of one side of the placing frame 702, the clamping plate 705 is arranged in the chute 703 and is used for limiting the clamping of the connecting plate 501, the compression spring 704 is fixed at one end of the clamping plate 705, and the surface of one end of the compression spring 704 is fixedly connected with the inner wall of the chute 703.
When the steering wheel main body 5 is placed between the placing frames 702, the clamping plates 705 are pulled again, the connecting plate 501 is arranged on the surface of the placing frames 702, at the moment, pushing force is generated on the clamping plates 705 under the action of the compression springs 704, the clamping plates 705 slide downwards under the action of the sliding grooves 703, the connecting plate 501 is clamped and fixed, and meanwhile, the connecting plate 501 can be more stable under the action of the sucking discs 701, so that the function that the steering wheel main body 5 is convenient to install by the test platform is realized.
Working principle: when the steering wheel main body 5 is used, the steering wheel main body 5 is firstly placed between the placing frames 702, the clamping plates 705 are pulled, the connecting plate 501 is arranged on the surface of the placing frames 702, at the moment, the clamping plates 705 are pushed by the action of the compression springs 704 to slide downwards, the connecting plate 501 is clamped and fixed under the action of the sliding grooves 703, and meanwhile, the connecting plate 501 is more stable under the action of the sucking discs 701, so that the function of the testing platform for conveniently installing the steering wheel main body 5 is realized, and the convenience degree of the testing platform in use is improved.
Then, a gas-liquid booster cylinder 301 arranged above a cylinder mounting plate 103 provides an analog load for steering wheel test, a weighing sensor 304 is arranged above a steering wheel mounting plate 102 and is used for measuring the load on a steering wheel main body 5, data are displayed on the surface of a control box 2 through a transmitter, the gas-liquid booster cylinder 301 drives the steering wheel main body 5 to be in contact with a driven wheel body 402 through the steering wheel mounting plate 102 under the control of a PLC in the control box 2, a driven shaft 404 is driven to move after approaching, torque is transmitted to the driven shaft 404, the driven shaft 404 is connected with the input end of a torque sensor 403 through a coupler, the output end of the torque sensor 403 is connected with a main shaft of a magnetic powder brake 401 through the coupler, the magnetic powder brake 401 provides an analog load of wheel edge torque for steering wheel test, the size of the magnetic powder brake can be controlled by changing the control current through a program-controlled loading controller, and parameters such as rotating speed, torque, power and the like on the torque rotating speed sensor in test are displayed on the control box 2 through a collecting instrument, so that the test function of the steering wheel main body 5 of the test platform is realized.
Meanwhile, the screw 601 can move upwards through the threaded fit of the screw 601 with the guide post 101, at the moment, the rotating block 604 rotates in the cylinder mounting plate 103 due to the fact that the rotating block 604 is fixed with the screw 601, the rotating block 604 moves upwards synchronously with the screw 601 to drive the cylinder mounting plate 103 upwards, at the moment, the connecting sleeve component 603 performs telescopic adjustment along with the movement of the cylinder mounting plate 103 to realize the adjusting function of a testing platform, so that the product testing of steering wheels with different specifications can be conveniently and rapidly realized, meanwhile, the safety height is limited under the action of the screw 601 and the adjusting nut 602, hard limit is provided for a test bed, and damage to the tested steering wheel due to electric, gas and liquid faults is avoided.
The platform realizes gas-liquid linkage through the gas-liquid booster cylinder 301, omits a complicated hydraulic system, simplifies the structure, simultaneously eliminates a hydraulic station system, eliminates throttle heating and leakage of a pump valve of a conventional hydraulic system, and reduces energy consumption and pollution; the platform realizes load measurement through a PLC system on the surface of the control box 2, and the PLC system controls the gas-liquid pressurizing cylinder 301 to control the electromagnetic valve in the interface gas circuit through the acquired data, so that the accurate control of the loading load is realized; the platform is controlled by the PLC, so that control of the system valve is realized, automation of testing is realized, the platform can realize automatic testing circulation according to a flow only by one-key operation, and finally, the use work of the testing platform is finished.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. The utility model provides a steering wheel load test platform, includes bottom plate, its characterized in that: the surface of the bottom plate is provided with a frame body, and the frame body comprises a guide post, a steering wheel mounting plate, a cylinder mounting plate, a brake bracket, a sensor bracket and a driven wheel bracket; a steering wheel main body is arranged above the bottom plate, a connecting plate is fixed on the surface of the steering wheel main body, a control box is fixed on one side of the surface of the bottom plate, a falling mechanism is arranged above the bottom plate, and the falling mechanism consists of a gas-liquid pressurizing cylinder, a linear bearing, a fixed column and a weighing sensor; the surface of the bottom plate is provided with a testing mechanism, and the testing mechanism is internally provided with a magnetic powder brake, a driven wheel body, a torque sensor and a driven shaft; an adjusting mechanism is arranged above the bottom plate, and a mounting mechanism is arranged above the steering wheel main body;
Four groups of guide posts are fixed on one side of the surface of the bottom plate, the guide posts are symmetrically distributed between the adjacent guide posts, a steering wheel mounting plate is sleeved on the surface of the guide posts, a cylinder mounting plate is arranged above the steering wheel mounting plate, a driven wheel support is fixed on the surface of the bottom plate and positioned between the guide posts, a sensor support is fixed on the surface of the bottom plate, a brake support is fixed on one side of the bottom plate, and central axes of the brake support, the sensor support and the driven wheel support coincide;
the gas-liquid pressurizing cylinder is arranged at the center of the surface of the cylinder mounting plate, the input end of the gas-liquid pressurizing cylinder is electrically connected with the output end of the control box, and the output end of the gas-liquid pressurizing cylinder penetrates through the cylinder mounting plate and extends to the lower part of the cylinder mounting plate;
The weighing sensor is arranged on the surface of the steering wheel mounting plate, a fixed column is arranged above the weighing sensor and is positioned right below the gas-liquid pressurizing cylinder, meanwhile, one end of the fixed column is fixedly connected with the surface of the steering wheel mounting plate, the linear bearings are respectively sleeved on the surface of the guide post, and the linear bearings are inlaid and fixed with the steering wheel mounting plate;
The magnetic powder brake is arranged on the surface of the brake bracket, the input end of the magnetic powder brake is electrically connected with the output end of the control box, the torque sensor is arranged on the surface of the sensor bracket, the input end of the torque sensor is electrically connected with the output end of the control box, the output end of the torque sensor is connected with the main shaft of the magnetic powder brake through a coupler, the driven shaft is connected with the surface of the driven wheel bracket through a bearing, one end of the driven shaft penetrates through the driven wheel bracket and is connected with the input end of the torque sensor through the coupler, the surface of the driven shaft is fixedly provided with a driven wheel body, and the driven wheel body is positioned right below the steering wheel main body;
The inside of the adjusting mechanism comprises a screw rod, an adjusting nut, a connecting sleeve component and a rotating block, wherein the screw rod is respectively arranged at the corner position of the surface of the cylinder mounting plate, one end of the screw rod extends to the inside of the guide pillar and is in threaded fit with the guide pillar, the surface of the screw rod is sleeved with the rotating block which is embedded in the inside of the cylinder mounting plate and is in mutual rotating fit with the cylinder mounting plate, the surface of the screw rod is sleeved with the adjusting nut, and the adjusting nut is mutually matched with the screw rod;
the connecting sleeve assembly is arranged between the gas-liquid pressurizing cylinder and the fixed column, the connecting sleeve assembly consists of a sleeve and an adjusting cylinder, the adjusting cylinder is positioned at two sides of the inside of the sleeve and can stretch and retract on the surface of the sleeve, one end of the sleeve is fixedly connected with the output end of the gas-liquid pressurizing cylinder and one end of the fixed column respectively and is used for adjusting the distance between the gas-liquid pressurizing cylinder and the fixed column;
The mounting mechanism consists of a sucker, a placing rack, a sliding chute, a compression spring and a clamping plate, wherein the sucker is mounted at the bottom of the steering wheel mounting plate, the surface of the sucker is tightly attached to the surface of the connecting plate, the placing rack is fixed on two sides of the steering wheel mounting plate, and the placing rack is of an L-shaped structure and is used for supporting the connecting plate;
The inner wall of rack one side has seted up the spout, and the inside of spout is provided with splint for press from both sides tight spacing to the connecting plate, the one end of splint is fixed with sticiss spring, and sticiss the surface of spring one end and the inner wall looks fixed connection of spout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210166079.XA CN114526928B (en) | 2022-02-23 | 2022-02-23 | Steering wheel load test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210166079.XA CN114526928B (en) | 2022-02-23 | 2022-02-23 | Steering wheel load test platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114526928A CN114526928A (en) | 2022-05-24 |
| CN114526928B true CN114526928B (en) | 2024-05-14 |
Family
ID=81625258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210166079.XA Active CN114526928B (en) | 2022-02-23 | 2022-02-23 | Steering wheel load test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114526928B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4182166A (en) * | 1977-07-18 | 1980-01-08 | Caterpillar Tractor Co. | Dynamometer test stand |
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| TW501743U (en) * | 2002-02-06 | 2002-09-01 | Coretronic Corp | Elevation adjusting device of projector |
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| CN214334519U (en) * | 2021-03-15 | 2021-10-01 | 苏州新地建设工程质量检测有限公司 | Anchor rod tension device |
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