CN111024427B - Steering wheel life test equipment - Google Patents
Steering wheel life test equipment Download PDFInfo
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- CN111024427B CN111024427B CN201911328206.6A CN201911328206A CN111024427B CN 111024427 B CN111024427 B CN 111024427B CN 201911328206 A CN201911328206 A CN 201911328206A CN 111024427 B CN111024427 B CN 111024427B
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- steering engine
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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
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention belongs to the technical field of steering engine tests, and particularly relates to a steering engine service life testing device which comprises: a frame; a mounting frame; the steering engine fixing device is installed on the installation frame and comprises a pressing mechanism and a clamping mechanism, the pressing mechanism comprises a first driving mechanism and a pressing block, the clamping mechanism comprises a second driving mechanism and a clamping block, the first driving mechanism can drive the pressing block to lift so as to compress a steering engine placed on a clamping station, and the clamping mechanism can drive the clamping block to move along the horizontal direction so as to clamp and limit the steering engine in the horizontal direction. Steering engines with different specifications and sizes can be placed in the accommodating space in the mounting rack, so that the applicability is good; through setting up first actuating mechanism and first actuating mechanism, make and press from both sides tight piece and briquetting and exert the power on the steering wheel and tightly fix the steering wheel clamp just, make the steering wheel can not rock when the test, the simple operation can the quick fixation steering wheel, and degree of automation improves greatly, and can not crush the shell of steering wheel.
Description
Technical Field
The invention belongs to the technical field of steering engine testing, and particularly relates to steering engine service life testing equipment.
Background
With the development of society and the continuous improvement of technological level, various types of robots gradually appear in people's daily life, and steering wheel is as the key part of robot motion, and its function and performance directly influence the working ability of robot, especially the life-span of steering wheel, directly relate to the motion life-span of robot.
At present, most steering engine manufacturers in the market carry out the service life test of the steering engine or use very original manual fixing clamps for fixing, the service life test of only one steering engine can be carried out once, a manual knob jig is needed for fixing the steering engine, the steering engine needs to be lifted up to run under a heavier load, and the steering engine is required not to shake after being fixed, so the clamps are clamped more tightly, the manual force is not well controlled, the shell of the steering engine is easy to crush, damage, deformation, indentation and the like occur, only one steering engine can be tested once, and the method has extremely low efficiency under the requirement that tens of steering engines are frequently used for carrying out the service life test at the same time at the present stage; still few producers have the special tool of preparation, for example at 360 design 6 ~ 8 clamping stations of horizontal direction, this method is though improvement efficiency of software testing to a certain extent, but still there is the steering wheel casing that can crush when fixed steering wheel to and can't satisfy the problem of current test demand completely, and, along with the continuous increase of test demand, and the continuous change of steering wheel type, need make more tools according to actual demand, also need bigger place simultaneously, and still need consider the interference between different stations and the tool, the control of test condition and time.
Traditional steering wheel life-span test equipment has the steering wheel fixed unreliable, and clamping and efficiency of software testing are low, and test fixture can't compatible different grade type steering wheel carries out the life-span test, the unable real-time recording's of test condition and time problem.
Disclosure of Invention
The invention aims to provide a steering engine service life testing device, and aims to solve the technical problems that a steering engine testing device in the prior art is unreliable in steering engine fixing, low in clamping efficiency and incompatible with steering engines of different sizes for service life testing.
In order to achieve the purpose, the invention adopts the technical scheme that: a steering engine life test device, comprising:
a frame;
the mounting frame is arranged on the rack and is surrounded into an accommodating space capable of accommodating steering engines of different sizes, and a clamping station for placing the steering engines is formed in the accommodating space;
the steering engine fixing device is installed on the installation frame and comprises a pressing mechanism and a clamping mechanism, the pressing mechanism comprises a first driving mechanism and a pressing block in driving connection with the first driving mechanism, the clamping mechanism comprises a second driving mechanism and a clamping block in driving connection with the second driving mechanism, the first driving mechanism can drive the pressing block to lift so as to be tightly placed on a steering engine of a clamping station, and the clamping mechanism can drive the clamping block to move along the horizontal direction so as to clamp and limit the steering engine to move in the horizontal direction.
Further, the mounting bracket includes the roof and connect in the first curb plate and the second curb plate at the relative both ends of roof, first curb plate and second curb plate parallel arrangement and bottom respectively with the frame is fixed.
Further, the first driving mechanism comprises a pressing motor, a first screw rod and a first screw nut, the pressing motor is fixed on the top surface of the top plate, one end of the first screw rod is connected with an output shaft of the pressing motor, the other end of the first screw rod penetrates through the top plate and extends into the accommodating space, the first screw nut is screwed on the first screw rod, and the pressing block is fixedly connected with the first screw nut.
Furthermore, the second driving mechanism comprises a clamping motor, a second lead screw and a second lead screw nut, the clamping motor is fixed on the outer wall of the first side plate, one end of the second lead screw is connected with an output shaft of the clamping motor, the other end of the second lead screw penetrates through the first side plate and is rotatably connected to the second side plate through a bearing, the second lead screw nut is screwed on the second lead screw, the clamping block is fixedly connected with the second lead screw nut, and the clamping motor drives the second lead screw to rotate and drive the second lead screw nut to move along the horizontal direction so as to drive the clamping block to move to enable the steering engine to be clamped between the clamping block and the second side plate.
Furthermore, the mounting rack further comprises a bottom plate connected to the bottoms of the first side plate and the second side plate, the bottom surface of the bottom plate is connected with the rack, and a supporting surface for placing a steering engine is formed on the top surface of the bottom plate.
Furthermore, a plurality of first guide posts are vertically arranged between the top plate and the bottom plate, each first guide post penetrates through the pressing block, and the pressing block can move up and down along the first guide posts; at least one second guide post is arranged between the first side plate and the second side plate, the second guide post penetrates through the clamping block, and the clamping block can slide back and forth along the second guide post.
Further, the frame extends and is provided with the loading board, the bottom plate pass through adjusting screw with the loading board is connected, adjusting screw's one end passes in proper order loading board and bottom plate, will when adjusting screw screws up the bottom plate is fixed in on the loading board, when adjusting screw loosens the bottom plate can for the loading board rotates, so that the mounting bracket can for the frame rotates.
Furthermore, the bearing plate is provided with a fixed shaft, through holes are symmetrically formed in two opposite sides of the bearing plate, bearings are mounted on the bottom surface of the bottom plate, the fixed shaft is connected with the bearings in an adaptive mode, multiple groups of connecting holes are radially formed in the bottom plate by taking the fixed shaft as a center, each group of connecting holes are symmetrically arranged around the center of the fixed shaft, two adjusting screws are arranged, the two adjusting screws respectively penetrate through the two through holes to be in threaded connection with the corresponding group of connecting holes, and the bottom plate can rotate around the fixed shaft when the two adjusting screws are loosened.
Further, the adjusting screw is a knob screw.
Furthermore, an elastic buffer block is fixed on the bottom surface of the pressing block, and when the pressing block descends to a preset position, the elastic buffer block is tightly pressed between the pressing block and the top surface of the steering engine.
Furthermore, steering wheel life-span test equipment still includes and dabs the switch, first actuating mechanism and second actuating mechanism respectively with it connects to dabber switch electricity, it is steerable when dabbing the switch and pressing down first actuating mechanism and second actuating mechanism drive respectively briquetting and press from both sides tight piece and remove along predetermineeing the direction to press from both sides tight steering wheel, and press down once more control first actuating mechanism and second actuating mechanism drive respectively briquetting and press from both sides tight piece and remove along opposite direction, in order to loosen the steering wheel.
Furthermore, the machine frame is provided with a plurality of mounting brackets in the transverse direction and the longitudinal direction respectively, and the clamping stations are formed in the mounting brackets respectively.
Furthermore, steering wheel life test equipment still including locating sensing mechanism on the frame, sensing mechanism is used for the running state of sensing steering wheel and records the test time of steering wheel.
Furthermore, the steering engine life test equipment further comprises an upper computer and a plurality of data acquisition cards, wherein the upper computer is in communication connection with the data acquisition cards, and each data acquisition card is electrically connected with the corresponding sensing mechanism so as to acquire sensing data of the sensing mechanism and send the sensing data to the upper computer.
The invention has the beneficial effects that: according to the steering engine service life testing device, the containing space in the mounting rack can be used for containing steering engines with different specifications and sizes, so that the applicability is good; through setting up first actuating mechanism and second actuating mechanism, make press from both sides tight piece and briquetting and exert the power on the steering wheel and tightly fix the steering wheel clamp just, make the steering wheel can not rock when the test, the simple operation can the quick fixation steering wheel, and degree of automation improves greatly, and can not crush the shell of steering wheel.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic perspective view of a steering engine service life testing device provided in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front view structure of the steering engine life testing device shown in FIG. 1;
FIG. 3 is a schematic view of an assembly structure of a testing station in the testing apparatus for testing the lifetime of the steering engine shown in FIG. 1;
FIG. 4 is a schematic front view of a testing station in the testing apparatus for testing the lifetime of the steering engine shown in FIG. 1;
FIG. 5 is an exploded view of a testing station of the steering engine life testing apparatus shown in FIG. 1;
FIG. 6 is an enlarged view of portion A of FIG. 5;
FIG. 7 is a schematic perspective view of the bottom plate of FIG. 5 at another angle;
fig. 8 is a schematic rear view structural diagram of the steering engine life testing device shown in fig. 1.
Wherein, in the figures, the respective reference numerals:
10-a frame; 11-a test station; 12-a clamping station; 13-an alarm; 110-a chassis; 120-standing; 130-a data acquisition card; 131-a microprocessor; 132-a data acquisition module; 140-a steering engine control panel; 111-casters; 121-vertical plates; 122-a shield; 123-square section bar; 124-bearing plate; 125-support section bar; 126-knob screw; 127-a fixed shaft; 128-annular positioning groove; 200-a mounting rack; 300-a hold-down mechanism; 400-a clamping mechanism; 500-a sensing mechanism; 600-tact switch; 210-a top plate; 221-a first side panel; 222-a second side panel; 230-a backplane; 231-connecting holes; 232-a sliding bearing; 310-a motor is pressed down; 320-briquetting; 321-a lifting block; 322-connecting block; 323-elastic buffer block; 330-first lead screw; 340-a first lead screw nut; 350-a first guide post; 410-a clamping motor; 420-a clamping block; 430-a second lead screw; 440-a second lead screw nut; 450-second guide post.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 3, the steering engine service life testing device provided by the embodiment of the invention is used for clamping and fixing a steering engine and testing the service life of the steering engine, a swing arm is arranged on one side of the steering engine, and the steering engine service life testing device comprises a rack 10, an installation rack 200 and a steering engine fixing device. The mounting bracket 200 is arranged on the rack 10 and is surrounded to form an accommodating space capable of accommodating steering engines of different sizes, the width of the accommodating space is larger than that of the steering engines, the height of the accommodating space is larger than that of the steering engines, the length of the accommodating space is larger than that of the steering engines, and the mounting bracket 200 forms a test station 11 for testing the service life of the steering engines on the rack 10. The steering engine fixing device is arranged on the mounting frame 200 and comprises a pressing mechanism 300 and a clamping mechanism 400; the pressing mechanism 300 comprises a first driving mechanism and a pressing block 320 in driving connection with the first driving mechanism, the clamping mechanism 400 comprises a second driving mechanism and a clamping block 420 in driving connection with the second driving mechanism, the first driving mechanism can drive the pressing block 320 to lift so as to compress a steering engine placed on the clamping station 12, and the clamping mechanism 400 can drive the clamping block 420 to move along the horizontal direction so as to clamp and limit the horizontal direction of the steering engine. The concrete clamping mechanism 400 can drive the clamping block 420 to clamp the steering engine firstly, then the pressing mechanism 300 drives the pressing block 320 to compress the steering engine on the rack 10, so that the steering engine is fixed in the clamping of the clamping station 12, the weight is connected to the swing arm of the steering engine after the clamping is fixed, then the testing work of the service life of the steering engine can be conducted by electrifying, and in the testing process, the steering engine drives the swing arm and the weight to rotate up and down around the steering engine driving shaft.
According to the steering engine service life testing device provided by the embodiment, steering engines with different specifications and sizes can be placed in the accommodating space in the mounting rack 200, so that the applicability is good; through setting up first actuating mechanism and second actuating mechanism, make and press from both sides tight piece 420 and briquetting 320 and exert the power on the steering wheel and tightly fix the steering wheel clamp just, make the steering wheel can not rock when the test, the simple operation can quick fixed steering wheel, and degree of automation improves greatly, and can not crush the shell of steering wheel.
In one embodiment, as shown in fig. 3, the mounting rack 200 includes a top plate 210 and a first side plate 221 and a second side plate 222 connected to two opposite ends of the top plate 210, the first side plate 221 and the second side plate 222 are disposed in parallel and the bottoms of the first side plate 221 and the second side plate are respectively fixed to the rack 10, both the first side plate and the second side plate are disposed along a vertical direction, the top plate 210 is disposed along a horizontal direction, the first driving mechanism can be mounted on the top plate 210, and the second driving mechanism can be mounted on one of the side plates.
In one embodiment, as shown in fig. 3, the first driving mechanism includes a pressing motor 310, a first lead screw 330 and a first lead screw nut 340, the pressing motor 310 is fixed on the top surface of the top plate 210, and the top plate 210 is provided with a through hole penetrating up and down; one end of the first lead screw 330 is connected with an output shaft of the pressing motor 310, the other end of the first lead screw passes through a through hole of the top plate 210 and extends into the accommodating space, the other end of the first lead screw 330 can be rotatably connected with the frame 10 through a bearing, the first lead screw nut 340 is screwed on the first lead screw 330, the pressing block 320 is fixedly connected with the first lead screw nut 340, thus, the pressing motor 310 drives the first lead screw 330 to rotate, the first lead screw nut 340 is driven to move up and down, the pressing block 320 is driven to lift up and down, when the pressing block 320 descends to a preset height, the steering engine is pressed on the frame 10, and the steering engine cannot swing in the vertical direction.
In an embodiment, as shown in fig. 3, the second driving mechanism includes a clamping motor 410, a second lead screw 430, and a second lead screw nut 440, the clamping motor 410 is fixed on an outer wall of the first side plate 221, the first side plate 221 is provided with a through hole through which the second lead screw 430 passes, one end of the second lead screw 430 is connected to an output shaft of the clamping motor 410, the other end of the second lead screw 430 passes through the through hole of the first side plate 221 and is rotatably connected to the second side plate 222 through a bearing, the second lead screw nut 440 is screwed onto the second lead screw 430, the first side plate 221 and the second side plate 222 are both perpendicular to the second lead screw 430, the clamping block 420 is fixedly connected to the second lead screw nut 440, and the clamping motor 410 can drive the second lead screw nut 440 to move in a horizontal direction when driving the second lead screw 430 to rotate, so as to drive the clamping block 420 to move and clamp the steering engine between the clamping block 420 and the second side plate 222. The profile of one side of the clamping block 420 opposite to the steering engine can be matched with the steering engine, so that the clamping block 420 can be matched with the corresponding side of the steering engine to realize compression when the clamping block is contacted with the corresponding side of the steering engine.
During operation, the steering engine is placed in the containing space of the mounting frame 200 and placed at the clamping station 12, the clamping motor 410 is started to clamp the steering engine, the steering engine is prevented from moving in the horizontal direction, the pressing motor 310 is started to press the steering engine tightly, and the steering engine is prevented from moving in the vertical direction, so that the steering engine is clamped and fixed; according to the specific overall dimension of the steering engine, the parameters of the clamping motor 410 and the pressing motor 310 are set, so that the force applied to the steering engine by the clamping block 420 and the pressing block 320 can just fix the steering engine, and the shell of the steering engine cannot be crushed.
In an embodiment, as shown in fig. 4 and 5, an elastic buffer block 323 is fixed on the bottom surface of the pressing block 320, and the elastic buffer block 323 abuts against the top surface of the steering engine when the pressing block 320 descends to a predetermined position. In other embodiments, the pressing block 320 includes a lifting block 321 fixed to the first lead screw nut and a connecting block 322 connected to a front side wall of the lifting block 321, the connecting block 322 is suspended in front of the lifting block 321, a cross section of the connecting block 322 has a contour shape adapted to a contour shape of a top surface of the steering engine, a bottom surface of the connecting block 322 is flush with a bottom surface of the pressing block 320, the elastic buffer block 323 is fixed to the bottom surface of the connecting block 322, the pressing block 320 is driven to lift together with the connecting block 322 and the elastic buffer block 323 when lifting, and the elastic buffer block 323 is tightly abutted to the top surface of the steering engine when descending to a predetermined position, so that the steering engine is tightly fixed to the bottom plate 230.
In an embodiment, as shown in fig. 3 and 4, the mounting bracket 200 further includes a bottom plate 230 connected to the bottoms of the first side plate 221 and the second side plate 222, the bottom surface of the bottom plate 230 is connected to the frame 10, a supporting surface for placing a steering engine is formed on the top surface of the bottom plate 230, the length of the bottom plate 230 is greater than that of the steering engine, and the width of the bottom plate 230 is greater than that of the steering engine. Both side plates are vertically connected to the bottom plate 230, the bottom plate 230 and the carrier plate 124 can be connected and fixed by fasteners or fixed by other methods, and the inner space enclosed by the mounting frame 200 is substantially rectangular.
In an embodiment, as shown in fig. 4 and 5, a plurality of first guiding pillars 350 are vertically disposed between the top plate 210 and the bottom plate 230, the first guiding pillars 350 penetrate through the pressing block 320, and the pressing block 320 can move up and down along the first guiding pillars 350. For example, two first guide posts 350 are arranged, and the two first guide posts 350 are symmetrically arranged on two sides of the first screw 330, so that the pressing block 320 can move stably by means of the first guide posts 350 on two sides when moving up and down, and can not shake, and the stability of the pressing block 320 when moving up and down can be improved. At least one second guide column 450 is arranged between the first side plate 221 and the second side plate 222, the second guide column 450 is close to the rear ends of the two side plates so as to avoid interference with a steering engine, the second guide column 450 penetrates through the clamping block 420, the clamping block 420 can slide back and forth along the second guide column 450, and the stability of the clamping block 420 during movement can be improved by means of the second guide column 450; it will be appreciated that a sliding connection between the clamp block 420 and the base plate 230 may be provided to guide the movement of the clamp block 420.
In one embodiment, as shown in fig. 3 and 4, the frame 10 is extended with a supporting plate 124, the bottom plate 230 is connected to the supporting plate 124 by an adjusting screw, one end of the adjusting screw passes through the supporting plate 124 and the bottom plate 230 in sequence, the adjusting screw is tightened to fix the bottom plate 230 to the supporting plate 124, and the bottom plate 230 can rotate relative to the supporting plate 124 when the adjusting screw is loosened, so that the mounting bracket 200 can rotate relative to the frame 10. Through the swing arm working direction of the adjustable steering engine in the structure, the swing arms of the steering engines of the upper test station 11 and the lower test station 11 cannot collide with each other, articulated weights cannot interfere with each other, and the flexibility and adjustability of the device are improved.
In an embodiment, as shown in fig. 5 and 6, the supporting plate 124 is provided with a fixing shaft 127, through holes are symmetrically formed on two opposite sides of the fixing shaft 127 of the supporting plate 124, a bearing is installed on the bottom surface of the bottom plate 230, a sliding bearing 232 can be installed, an annular positioning groove 128 is formed in a position of the supporting plate 124 corresponding to the sliding bearing 232 in a recessed manner, the fixing shaft 127 is connected to the sliding bearing 232 in a matching manner, a plurality of groups of connecting holes 231 are radially formed in the bottom plate 230 by taking the fixing shaft 127 as a center, each group of connecting holes 231 is symmetrically arranged about the center of the fixing shaft 127, and each group of connecting holes 231 corresponds to two through holes of the supporting plate 124 after the bottom plate 230 rotates around the fixing shaft 127 by a predetermined angle; adjusting screw is equipped with two, and two adjusting screw pass two respectively through with a set of connecting hole 231 spiro union that corresponds, and bottom plate 230 can be rotatory around fixed axle 127 when two adjusting screw loosen, through the cooperation between slide bearing 232 and the fixed axle 127 for mounting bracket 200 is comparatively smooth when rotating, and then realizes the adjustment of the working direction of the clamping station 12 that corresponds. Through setting up multiunit connecting hole 231, mounting bracket 200 can be in the direction adjustment switching of 0 degree ~ 90 degree within range for in the test process, the part between upper and lower test station 11 can not have the problem of interference.
The adjusting screw may be a knob screw 126 for manual rotational adjustment, and tightening and loosening may be accomplished by turning a knob on the head of the knob screw 126. As shown in fig. 6, two groups of connecting holes 231 are formed in the bottom plate 230, four connecting holes 231 are formed in total, the number of the knob screws 126 is two, two knob screws 126 penetrate through the bearing plate 124 and the bottom plate 230, the bottom plate 230 and the bearing plate 124 are fixedly connected when the two knob screws 126 are tightened, the bottom plate 230 can rotate 90 degrees when the two knob screws 126 are loosened manually, the whole mounting frame 200 rotates 90 degrees horizontally together, and the 90-degree direction adjustment switching is realized on the clamping station 12 of the steering engine. At this time, the two knob screws 126 are tightened to lock the bottom plate 230 to the carrier plate 124. After the working direction of the clamping station 12 is adjusted, the swing arms of the steering engines of the upper and lower testing stations 11 cannot touch each other, and the hanging weights cannot touch other parts.
In an embodiment, as shown in fig. 1 and 4, the steering engine life testing device further includes a tact switch 600, the tact switch 600 may be fixed on an outer wall of the first side plate 221 or the second side plate 222, or may be installed on the rack 10, the first driving mechanism and the second driving mechanism are respectively electrically connected to the tact switch 600, when the tact switch 600 is pressed down, the first driving mechanism and the second driving mechanism may be controlled to respectively drive the pressing block 320 and the clamping block 420 to move along a preset direction, so as to clamp the steering engine, and when the tact switch 600 is pressed down again, the first driving mechanism and the second driving mechanism may be controlled to drive the pressing block 320 and the clamping block 420 to move along an opposite direction, so as to release the steering engine. Like this, after putting into clamping station 12 with the steering wheel, only need press and dabble switch 600 can realize the fixed operation of clamping of steering wheel, press once more after the steering wheel test and dabble switch 600 and can loosen the steering wheel, and then take out the steering wheel from clamping station 12, then carry out the life-span test of next steering wheel, convenient operation has saved loaded down with trivial details clamping regulation operation and the taking out regulation operation of steering wheel.
Specifically, the pressing motor 310 and the clamping motor 410 are respectively electrically connected with the tact switch 600, the pressing motor 310 can be controlled to drive the pressing block 320 to press the steering engine when the tact switch 600 is pressed down, the clamping motor 410 is controlled to drive the clamping block 420 to clamp the steering engine, the pressing motor 310 is controlled to drive the pressing block 320 to ascend when the tact switch 600 is pressed down again, and the clamping motor 410 drives the clamping block 420 to loosen the steering engine.
In an embodiment, as shown in fig. 1 and 2, a plurality of mounting frames 200 are respectively formed on a rack 10 in the transverse direction and the longitudinal direction, a plurality of clamping stations 12 are formed in the rack 10, and after each steering engine is clamped on the corresponding clamping station 12, all the steering engines can be tested simultaneously after being electrified, so that the testing efficiency is greatly improved, and the testing requirements of a large number of steering engines can be met.
As shown in fig. 2, 5 mounting brackets 200 are uniformly spaced in the transverse direction of the rack 10, and 4 mounting brackets 200 are uniformly spaced in the longitudinal direction, at this time, 20 mounting brackets 200 are provided on the rack 10, so as to form a 4-row × 5-column arrangement structure; it is understood that the two rows of the mounting brackets 200 adjacent to each other up and down in the longitudinal direction can be arranged in a staggered manner.
In an embodiment, as shown in fig. 1, 3 and 4, the steering engine life test device further includes a sensing mechanism 500 disposed on the frame 10, after the steering engine is clamped, a weight is hung at one end of a swing arm of the steering engine, a life test can be performed after the power is turned on, the sensing mechanism 500 can sense an operating state of the steering engine and record test time of the steering engine, that is, the sensing mechanism 500 can sense whether the steering engine is in an operating state or a stop state, and when the sensing mechanism senses the stop state, the recording of the time is stopped. This steering wheel life test equipment who implements provides, the steering wheel clamping back well can be with the help of the running state of sensing mechanism 500 sensing steering wheel and the test time of record steering wheel, has saved the trouble of manual monitoring and record.
The sensing mechanism 500 may be a laser sensing sensor, and the side plate of the mounting frame 200 and the bearing plate 124 of the rack 10 are respectively provided with a laser sensing sensor for sensing the operating state of the swing arm of the steering engine located at the clamping station 12 through laser. When the swing arm swings up and down, laser emitted by the laser induction sensor passes through the range of the swing arm of the steering engine, the laser induction sensor receives laser reflected from the rudder arm at a moment once the steering engine swings, the steering engine runs continuously, the laser induction sensor receives the reflected laser according to a certain frequency, and the laser reflected at a time is received at intervals of a certain time, such as 500ms in a normal state; the upper computer sets a threshold value, and the steering engine is judged to stop at the moment when the reflected laser is not received for a certain time, such as 2s, or the reflected laser is received for a certain time, such as 2 s.
In an embodiment, as shown in fig. 1, 3 and 8, the steering engine life testing apparatus further includes an upper computer (not shown) and a plurality of data acquisition cards 130, the upper computer is in communication connection with each data acquisition card 130, each data acquisition card 130 is electrically connected to a corresponding sensor to acquire sensing data of the sensing mechanism 500 and send the sensing data to the upper computer, and the upper computer can derive the testing data of all the steering engines.
The host computer can be provided with an operation interface, the model, the size and the corresponding configuration of each steering engine are led in by selecting the test station 11 on the operation interface, the test is started by clicking, and each sensing mechanism 500 starts to sense the running state and the test time of the corresponding steering engine. The data acquisition card 130 can acquire sensing data of the sensing mechanism 500 at preset intervals, for example, the sensing data is stored once every 30min, the data acquisition card 130 sends the sensing data to the upper computer, an operation interface prompts to store the data after the test is stopped, and test data of all steering engines can be derived from the upper computer.
As shown in fig. 1, 2 and 8, the rack 10 includes a base frame 110 and a stand 120 fixed to the base frame 110. Four corners of the bottom frame 110 are respectively provided with a caster 111, which facilitates the movement of the rack 10. The vertical frame 120 is vertically arranged, the vertical frame 120 comprises a vertical plate 121 and two guard plates 122, and the length of the vertical plate 121 is smaller than that of the bottom frame 110. Two backplate 122 are fixed in riser 121 width direction's both sides, and two backplate 122 parallel arrangement each other, and two backplate 122 are fixed in chassis 110 and the side flushes with the side of chassis 110, and riser 121 separates into first installation space and second installation space with frame 10, and first installation space is formed in the front side of riser 121, and second installation space is located the rear side of riser 121.
As shown in fig. 1, 3 and 4, a plurality of hollow square sections 123 are fixed on the front surface of the vertical plate 121, the square sections 123 are uniformly arranged from top to bottom at intervals, a plurality of bearing plates 124 are uniformly arranged on each square section 123 along the length direction at intervals, and the mounting frame 200 is fixed on the bearing plates 124; the square profile 123 may have a support profile 125 fixed to the front side thereof, and the carrier plate 124 may have a bottom surface fixed to the support profile 125, the support profile 125 being used to support the support portion of the carrier plate 124.
As shown in fig. 2, 3 and 8, a data acquisition card 130 and a steering engine control board 140 are respectively installed on the back surface of the vertical plate 121 at positions corresponding to the mounting brackets 200, the data acquisition card 130 may include a microprocessor 131 and a data acquisition module 132, the microprocessor 131 may adopt a DSP chip, an input end of the data acquisition module 132 is connected with the laser induction sensor, an output end of the data acquisition module 132 is connected with the microprocessor 131, the microprocessor 131 receives and processes test data acquired by the data acquisition module 132 and stores the processed test data, each microprocessor 131 is connected with an upper computer, and the microprocessor 131 sends the stored processed test data to the upper computer; a power supply unit (not shown) is further installed on the back of the vertical plate 121, each steering engine control panel 140 is connected with the power supply unit, the power supply unit supplies power to each steering engine control panel 140, the steering engine control panels 140 supply power to the corresponding steering engines, the microprocessor 131, the pressing motor 310, the clamping motor 410 and the data acquisition card 130, one steering engine control panel 140 can be arranged corresponding to one or more swing arm type steering engines, the motor unit is connected with an external main power supply, after each steering engine is placed in the steering engine, the corresponding tact switch 600 is pressed down to complete clamping operation, the steering engines and the corresponding steering engine control panels 140 are correctly connected, the main power supply is started, an operation interface of an upper computer is opened, a test station 11 is selected, the model, the size and the corresponding configuration of each steering engine are led in, a click is started, after the test is completed, test data of all the steering engines are led out from the upper computer, the corresponding tact switches 600 are pressed down to take out each steering engine, and (5) carrying out the life test of the next batch of steering engines.
Can be equipped with the detection mechanism (not shown) that is used for detecting whether the weight drops on the loading board 124, this detection mechanism is connected with steering wheel control panel 140 communication, 10 tops of frames are equipped with the alarm 13 of being connected with the detection mechanism electricity, drop when detection mechanism detects the weight, detection mechanism sends pause signal to steering wheel control panel 140, corresponding alarm information is sent out to alarm 13 simultaneously, steering wheel control panel 140 control steering wheel stall, swing arm pause swing this moment, sensing mechanism 500 pauses the timing, wait to manually articulate the weight again in the swing arm of corresponding steering wheel, press corresponding light touch switch 600, sensing mechanism 500 continues to time this moment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a steering wheel life-span test equipment which characterized in that: the method comprises the following steps:
a frame;
the mounting frame is arranged on the rack and is surrounded into an accommodating space capable of accommodating steering engines of different sizes, and a clamping station for placing the steering engines is formed in the accommodating space;
the steering engine fixing device is arranged on the mounting frame and comprises a pressing mechanism and a clamping mechanism, the pressing mechanism comprises a first driving mechanism and a pressing block in driving connection with the first driving mechanism, the clamping mechanism comprises a second driving mechanism and a clamping block in driving connection with the second driving mechanism, the first driving mechanism can drive the pressing block to lift so as to press the steering engine placed on the clamping station, and the clamping mechanism can drive the clamping block to move in the horizontal direction so as to clamp and limit the steering engine to move in the horizontal direction;
the rack is provided with a plurality of mounting frames in the transverse direction and the longitudinal direction respectively, and the clamping stations are formed in the mounting frames respectively;
the mounting frame comprises a top plate, a first side plate and a second side plate, wherein the first side plate and the second side plate are connected to two opposite ends of the top plate, the first side plate and the second side plate are arranged in parallel, and the bottoms of the first side plate and the second side plate are respectively fixed with the rack;
the mounting rack further comprises a bottom plate connected to the bottoms of the first side plate and the second side plate, the bottom surface of the bottom plate is connected with the rack, and the top surface of the bottom plate forms a supporting surface for placing a steering engine;
the frame extends and is provided with the loading board, the bottom plate pass through adjusting screw with the loading board is connected, adjusting screw's one end passes in proper order loading board and bottom plate, will when adjusting screw screws up the bottom plate is fixed in on the loading board, when adjusting screw loosens the bottom plate can for the loading board rotates, so that the mounting bracket can for the frame rotates.
2. The steering engine life test device of claim 1, wherein: the first driving mechanism comprises a pressing motor, a first screw rod and a first screw nut, the pressing motor is fixed on the top surface of the top plate, one end of the first screw rod is connected with an output shaft of the pressing motor, the other end of the first screw rod penetrates through the top plate and stretches into the accommodating space, the first screw nut is screwed on the first screw rod, and the pressing block is fixedly connected with the first screw nut.
3. The steering engine life test device of claim 2, wherein: the second driving mechanism comprises a clamping motor, a second lead screw and a second lead screw nut, the clamping motor is fixed on the outer wall of the first side plate, one end of the second lead screw is connected with an output shaft of the clamping motor, the other end of the second lead screw penetrates through the first side plate and is rotatably connected with the second side plate through a bearing, the second lead screw nut is screwed on the second lead screw, the clamping block is fixedly connected with the second lead screw nut, and the clamping motor drives the second lead screw to drive the second lead screw nut to move in the horizontal direction when rotating so as to drive the clamping block to move to enable the steering engine to be clamped between the clamping block and the second side plate.
4. The steering engine life test device of claim 1, wherein: a plurality of first guide posts are vertically arranged between the top plate and the bottom plate, each first guide post penetrates through the pressing block, and the pressing block can move up and down along the first guide posts; at least one second guide post is arranged between the first side plate and the second side plate, the second guide post penetrates through the clamping block, and the clamping block can slide back and forth along the second guide post.
5. The steering engine life test device of claim 1, wherein: the bearing plate is provided with a fixed shaft, through holes are symmetrically formed in two opposite sides of the bearing plate, bearings are mounted on the bottom surface of the base plate, the fixed shaft is connected with the bearings in a matched mode, a plurality of groups of connecting holes are radially formed in the base plate by taking the fixed shaft as a center, each group of connecting holes are symmetrically arranged around the center of the fixed shaft, two adjusting screws are arranged, the two adjusting screws respectively penetrate through the two through holes to be in threaded connection with the corresponding group of connecting holes, and the base plate can rotate around the fixed shaft when the two adjusting screws are loosened.
6. The steering engine life test device of claim 1, wherein: the adjusting screw is a knob screw.
7. The steering engine life test device of any one of claims 1 to 6, wherein: an elastic buffer block is fixed on the bottom surface of the pressing block, and when the pressing block descends to a preset position, the elastic buffer block is tightly pressed between the pressing block and the top surface of the steering engine.
8. The steering engine life test device of any one of claims 1 to 6, wherein: steering wheel life-span test equipment still includes and dabs the switch, first actuating mechanism and second actuating mechanism respectively with it connects to dabber switch electricity, it is steerable when dabbing the switch and pressing down first actuating mechanism and second actuating mechanism drive respectively briquetting and press from both sides tight piece and remove along predetermineeing the direction to press from both sides tight steering wheel, and press down once more control first actuating mechanism and second actuating mechanism drive respectively the briquetting moves along opposite direction with pressing from both sides tight piece, in order to loosen the steering wheel.
9. The steering engine life test device of any one of claims 1 to 6, wherein: the steering engine service life testing equipment further comprises a sensing mechanism arranged on the rack, and the sensing mechanism is used for sensing the running state of the steering engine and recording the testing time of the steering engine.
10. The steering engine life test device of claim 9, wherein: the steering engine life testing equipment further comprises an upper computer and a plurality of data acquisition cards, the upper computer is in communication connection with the data acquisition cards, and the data acquisition cards are electrically connected with the corresponding sensing mechanisms so as to acquire sensing data of the sensing mechanisms and send the sensing data to the upper computer.
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| CN201911328206.6A CN111024427B (en) | 2019-12-20 | 2019-12-20 | Steering wheel life test equipment |
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| CN201911328206.6A CN111024427B (en) | 2019-12-20 | 2019-12-20 | Steering wheel life test equipment |
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| CN111024427B true CN111024427B (en) | 2022-02-22 |
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| CN112782505B (en) * | 2020-12-30 | 2022-10-18 | 久创新能源科技（上海）有限公司 | DC microcomputer protection equipment measurement and control device |
| CN113624531B (en) * | 2021-08-16 | 2024-04-26 | 江西洪都航空工业股份有限公司 | Be used for aviation system steering wheel performance intelligent test equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003232699A (en) * | 2002-02-12 | 2003-08-22 | Tech Res & Dev Inst Of Japan Def Agency | Dynamic wind testing model having rudder surface driving mechanism |
| CN206348159U (en) * | 2016-12-31 | 2017-07-21 | 深圳市优必选科技有限公司 | A kind of steering wheel debugging frame |
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2019
- 2019-12-20 CN CN201911328206.6A patent/CN111024427B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003232699A (en) * | 2002-02-12 | 2003-08-22 | Tech Res & Dev Inst Of Japan Def Agency | Dynamic wind testing model having rudder surface driving mechanism |
| CN206348159U (en) * | 2016-12-31 | 2017-07-21 | 深圳市优必选科技有限公司 | A kind of steering wheel debugging frame |
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