CN217304382U

CN217304382U - Rudder wheel testing device and rudder wheel testing equipment

Info

Publication number: CN217304382U
Application number: CN202220982104.7U
Authority: CN
Inventors: 商旭东; 杨金龙; 黄加佳
Original assignee: Sany Robot Technology Co Ltd
Current assignee: Sany Robot Technology Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-26
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to the technical field of test equipment, and provides a steering wheel testing device and equipment, wherein, the steering wheel testing device comprises a fixed seat, a bearing platform, a connecting piece, a detecting device and a control device, the bearing platform is provided with a pair of supporting wheels and an installation part, the connecting piece is connected with the fixed seat and the bearing platform, and the connecting piece and the bearing platform can rotate around the fixed seat; the connecting piece is movably connected with the bearing platform to allow the bearing platform to be close to or far away from the fixed seat; the detection device and the test steering wheel are electrically connected with the control device, the detection device is used for detecting the relative position of the bearing platform and the connecting piece, and a trigger signal is generated when the bearing platform is detected to move to a limited position relative to the connecting piece; and the control device is used for controlling the test steering wheel to adjust the steering angle or stop running when receiving the trigger signal so as to enable the bearing platform and the connecting piece to be positioned in the range of the target relative position. So, having removed the rigid restraint of connecting piece to load-bearing platform, the connecting piece atress is less relatively.

Description

Rudder wheel testing device and rudder wheel testing equipment

Technical Field

The utility model relates to a test equipment technical field especially relates to a steering wheel testing arrangement and equipment.

Background

The automated guided vehicle can travel along a prescribed guide path, has safety protection and various carrying functions, does not need a driver, and is widely applied to industrial production and transportation. The steering wheel is used as a core component of the automatic guided vehicle, and performance parameters of the steering wheel are extremely important. When the performance of the steering wheel is tested, the steering wheel needs to continuously run under a simulated actual working condition.

In the prior art, a steering wheel is generally arranged below a load-carrying platform, a connecting rod is arranged between a rotary center seat and the load-carrying platform, and the load-carrying platform is restrained by mechanical structures such as the connecting rod, so that the load-carrying platform moves along a circular track. However, due to the action of centrifugal force, the load-carrying trolley tends to deviate from the circular motion track, so that the connecting rod bears large acting force, and the requirement on the strength of the connecting rod is high.

Therefore, how to solve the problems of large mechanical stress and high requirement on the strength of the mechanical structure caused by the fact that the mechanical structure restrains the load-carrying platform when the performance of the rudder wheel is tested in the prior art becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model provides a steering wheel testing arrangement and equipment for solve among the prior art and retrain the defect that the mechanical structure atress that leads to is big, to mechanical structure's intensity requirement is high to the load platform through mechanical structure when the performance of test steering wheel.

The utility model provides a steering wheel testing device, including fixing base, load-bearing platform, connecting piece, detection device and controlling means, the below of load-bearing platform is provided with a pair of interval distribution's supporting wheel and the installation department that is used for installing the test steering wheel, and a pair of the axis of revolution of supporting wheel coincides each other, have the interval between the installation department and the axis of revolution of supporting wheel, the connecting piece is connected in between the fixing base and the load-bearing platform, and the connecting piece with the load-bearing platform can surround the fixing base and rotate;

the connecting piece is movably connected with the bearing platform to allow the bearing platform to approach or depart from the fixed seat;

the detection device and the test steering wheel are electrically connected with the control device, the detection device is set to be capable of detecting the relative position of the bearing platform and the connecting piece, and generates a trigger signal when detecting that the bearing platform moves to a limited position relative to the connecting piece;

the control device is arranged to control the test steering wheel to adjust a steering angle or stop running so as to enable the bearing platform and the connecting piece to be located in a target relative position range when the trigger signal is received.

According to the utility model provides a pair of steering wheel testing arrangement, the connecting piece with be provided with guide rail sliding block set spare between the load-bearing platform, guide rail sliding block set spare the slider with the first end of connecting piece is connected, the second end of connecting piece with the fixing base is connected, guide rail sliding block set spare's guide rail sets up on the load-bearing platform, the slider is in have on the guide rail and be close to or keep away from the slip weight of fixing base.

According to the utility model provides a steering wheel testing arrangement, detection device includes two first sensors, two the first sensor distributes along the axis direction of the guide rail of guide rail slider subassembly, the first sensor sets up on at least one of slider, guide rail and the load-bearing platform, the first sensor sets up to generate first trigger signal when detecting that the slider slides to first position;

the first sensor is electrically connected with the control device, and the control device is arranged to adjust the steering angle of the test steering wheel when receiving the first trigger signal.

According to the utility model provides a rudder wheel testing device, detection device still includes two second sensors, two the second sensor sets up the both sides at two the first sensor, the second sensor sets up on at least one in slider, guide rail and the load-bearing platform, the second sensor sets up to produce the second trigger signal when detecting that the slider slides to the second position;

the second sensor is electrically connected with the control device, and the control device is set to control the test steering wheel to stop running when receiving the second trigger signal.

According to the utility model provides a pair of steering wheel testing arrangement still includes a plurality of backup pads, and is a plurality of the thickness of backup pad is different, load-bearing platform with the backup pad can be through arbitrary the connection can be dismantled to the backup pad.

According to the utility model provides a pair of steering wheel testing arrangement still includes the transmission of electricity subassembly, the transmission of electricity subassembly includes first circuit, second circuit and electrically conductive connecting portion, electrically conductive connecting portion set up on the fixing base, first circuit sets up on the connecting piece, the first end of first circuit be used for with detection device control device with the test steering wheel electricity is connected, the second end of second circuit is used for being connected with the power, the second end of first circuit with the first end of second circuit is passed through electrically conductive connecting portion electricity is connected.

According to the utility model provides a pair of steering wheel testing arrangement, it is right still including being used for to transmit electricity the subassembly the second circuit carries out the support frame that supports, the support frame includes first support and second support, the outside at test area territory is fixed to first support, the second support to test area territory's top and extend, the second support with first support sliding connection, the slip direction sets up along the horizontal direction.

According to the utility model provides a pair of steering wheel testing arrangement, the fixing base includes fixed part and rotating part, the rotating part with the fixed part rotates to be connected, and the axis of rotation sets up along vertical direction.

According to the utility model provides a pair of steering wheel testing arrangement, the first end of connecting piece with rotating part universal connection, the second end with slider universal connection.

The utility model also provides a helm test equipment, including helm testing arrangement and performance detecting system, performance detecting system is used for installing test helm on the helm testing arrangement carries out the performance and detects, helm testing arrangement is foretell helm testing arrangement.

The utility model provides a steering wheel testing arrangement, including fixing base, load-bearing platform, connecting piece, detection device and controlling means, load-bearing platform passes through the connecting piece and is connected with the fixing base, will test the steering wheel and install back on load-bearing platform, and the operation of test steering wheel can drive load-bearing platform and connecting piece and rotate around the fixing base. The connecting piece is movably connected with the bearing platform, and when the bearing platform generates a trend deviating from the motion track, the bearing platform can be close to or far away from the fixed seat in a manner of following the trend. The detection device and the test steering wheel are electrically connected with the control device. The detection device is used for detecting the relative position of the bearing platform and the connecting piece, and when the detection device detects that the bearing platform moves to a limited position relative to the connecting piece, a trigger signal is generated; the control device receives the trigger signal and controls the test steering wheel to adjust the steering angle or stop running when receiving the trigger signal, so that the bearing platform and the connecting piece are positioned in the range of the relative position of the target, and the bearing platform is stabilized on the target track. So set up, swing joint between connecting piece and the load-bearing platform allows load-bearing platform to produce the skew to a certain extent, detect load-bearing platform's skew degree through detection device simultaneously, and through the action of controlling means adjustment test steering wheel, make load-bearing platform stabilize on the target track, the rigid restraint of connecting piece to load-bearing platform has been removed, the atress of connecting piece has greatly been reduced, it is big to have solved the mechanical structure atress that leads to through mechanical structure retrain the performance of test steering wheel among the prior art to the load-bearing platform, the problem that requires highly to mechanical structure's intensity.

Further, the present invention provides a rudder wheel testing device, which has the above-described rudder wheel testing device, and thus has various advantages as described above.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a steering wheel testing device provided by the present invention;

fig. 2 is a front view of the steering wheel testing device provided by the present invention;

fig. 3 is a schematic bottom structure diagram of the steering wheel testing device provided by the present invention;

FIG. 4 is an enlarged view of I of FIG. 3;

fig. 5 is a schematic structural diagram of a detection device provided by the present invention;

fig. 6 is a schematic partial structural view of the load-bearing platform provided by the present invention;

fig. 7 is a schematic structural diagram of a connector provided by the present invention;

fig. 8 is a schematic structural view of the fixing base provided by the present invention;

fig. 9 is a sectional view of the fixing base provided by the present invention.

Reference numerals:

1: a fixed seat; 2: a load-bearing platform; 3: a connecting member; 4: testing a steering wheel; 5: a slider; 6: a guide rail; 7: a first sensor; 8: a second sensor; 9: a support wheel; 10: a support plate; 11: a second line; 12: a conductive connection portion; 13: wire fixing clips; 14: a fixed part; 15: a rotating part; 16: a bearing; 17: a knuckle bearing; 18: a U-shaped mounting seat; 19: a connecting shaft; 20: a first bracket; 21: a second bracket; 22: an electric cabinet; 23: threading holes; 24: and (4) a protective plate.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The steering wheel testing device of the present invention will be described with reference to fig. 1 to 9.

As shown in fig. 1 to 9, the embodiment of the present invention provides a rudder wheel testing device, which includes a fixing base 1, a bearing platform 2, a connecting member 3, a detecting device and a control device.

Above-mentioned connecting piece 3 is connected between fixing base 1 and load-bearing platform 2, and connecting piece 3 and load-bearing platform 2 can rotate around fixing base 1. Specifically, the fixing base 1 includes a fixing portion 14 and a rotating portion 15, as shown in fig. 9, the rotating portion 15 is rotatably connected to the fixing portion 14 through a bearing 16, the connecting member 3 is connected to the rotating portion 15, and the connecting member 3 and the bearing platform 2 can rotate relative to the fixing portion 14.

A pair of support wheels 9 and a mounting portion for mounting the test steering wheel 4 are provided below the load-bearing platform 2. The supporting wheels 9 are distributed at intervals, and the rotation axes are superposed with each other. The interval has between the gyration axis of above-mentioned installation department and supporting wheel 9 to make installation department and a pair of supporting wheel 9 be triangular distribution, will test the helm 4 and install the back on the installation department, load-bearing platform 2 level is placed, and a pair of supporting wheel 9 all lands with test helm 4, supports load-bearing platform 2 jointly, has improved load-bearing platform 2 and the holistic stability of helm testing arrangement.

It should be noted that, through the force analysis and calculation, the load borne by the test steering wheel 4 can be determined.

During the test, earlier be connected test steering wheel 4 with the installation department, according to the steering angle of test steering wheel 4 of test regional adjustment, then confirm the centre of a circle and the radius of the orbit of load-bearing platform 2 according to the crossing point of the axis of revolution of a pair of supporting wheel 9 and the axis of revolution of test steering wheel 4, and then confirm the position of fixing base 1, and fix fixing base 1 in the test region with the position that the above-mentioned crossing point corresponds, select corresponding length's connecting piece 3 according to the distance between fixing base 1 and the load-bearing platform 2, after being connected the both ends of connecting piece 3 with load-bearing platform 2 and fixing base 1 respectively, it can to control the operation of test steering wheel 4 through controlling means.

It should be noted that, the steering angles of the test steering wheels 4 are different, and the diameters of the motion tracks of the test steering wheels 4 driving the bearing platform 2 are also different, that is, the requirements on the distance between the bearing platform 2 and the fixed seat 1 are different. In the test process, the diameters of the running tracks of the test steering wheel 4 and the bearing platform 2 are selected to be larger as much as possible according to the size of a test area.

In the process that the test steering wheel 4 drives the bearing platform 2 to rotate, the performance detection system is required to be used for detecting the test steering wheel 4, for example, the voltage, the current, the speed and the acceleration of the test steering wheel 4 are detected. It should be noted that, for those skilled in the art, the performance detection system for detecting the voltage, the current, the running speed and the acceleration of the test steering wheel 4 is mature prior art and will not be described herein again.

Above-mentioned connecting piece 3 and load-bearing platform 2 swing joint, in the test process, because the centrifugal force effect, when load-bearing platform 2 produced the trend of deviating the movement track, can allow load-bearing platform 2 to comply with the trend and be close to or keep away from fixing base 1, so, the rigid restraint of connecting piece 3 to load-bearing platform 2 has been removed, has greatly reduced the atress of connecting piece 3, has greatly reduced the intensity requirement to connecting piece 3.

The detection device and the test steering wheel 4 are electrically connected with the control device, the detection device can detect the relative position of the bearing platform 2 and the connecting piece 3, and when the bearing platform 2 is detected to move to a limited position relative to the connecting piece 3, a trigger signal is generated.

The control device can receive the trigger signal and control the testing steering wheel 4 to adjust the steering angle or stop running when receiving the trigger signal, so that the bearing platform 2 and the connecting piece 3 are located in the range of the target relative position, the bearing platform 2 and the testing steering wheel 4 are prevented from excessively deviating, and the bearing platform 2 is stabilized on a target track.

So set up, both realized the control to the movement track of load-bearing platform 2 and test steering wheel 4, make load-bearing platform 2 and test steering wheel 4 can be stable move at certain orbit within range, make steering wheel testing arrangement can realize the test to test steering wheel 4, the rigid restraint of connecting piece 3 to load-bearing platform 2 has been removed again, the atress of connecting piece 3 has been reduced, the intensity requirement to connecting piece 3 has been reduced, be favorable to reducing the cross sectional dimension of connecting piece 3, the problem that it is big to carry out the mechanical structure atress that the restraint leads to the load-bearing platform through mechanical structure when testing the performance of steering wheel 4 among the prior art, the intensity requirement to mechanical structure is high is solved.

The support wheel 9 is a directional wheel disposed at the rear side in the running direction of the test steering wheel 4. Two directive wheels support load-bearing platform 2 with test steering wheel 4 jointly, have realized the three-point support to load-bearing platform 2, drive load-bearing platform 2 gyration in-process at test steering wheel 4, and centre of gyration is fixing base 1, and two directive wheels are located same straight line with fixing base 1 all the time.

During specific testing, the weight can be set above the bearing platform 2, the position of the weight on the bearing platform 2 and the weight of the weight can be adjusted, so that the bearing load and the traction load of the test steering wheel 4 can be accurately adjusted, and the bearing performance and the traction performance of the test steering wheel 4 under different working conditions can be tested.

The running tracks of the bearing platform 2 and the test steering wheel 4 can be provided with obstacles or slope surfaces, so that the test steering wheel 4 runs under different working conditions, the working conditions of walking, turning, climbing, scram, obstacle crossing and the like of the test steering wheel 4 on different road surfaces in actual work are simulated, and the result of the performance test of the test steering wheel is more actually fitted and more accurate.

Because in the test process, the connecting piece 3 atress is very little, and correspondingly, the atress of fixing base 1 is also very little, when fixing base 1 in the test area, can only use the heavy object to compress tightly fixed part 14 in the subaerial of test area, need not to use bolt etc. and conveniently fixed is convenient for change the test place, and can not damage ground when dismouting fixing base 1.

In this embodiment, the movable connection between the connecting member 3 and the carrying platform 2 is realized by using a guide rail slider assembly, specifically, the guide rail slider assembly includes a guide rail 6 and a slider 5 in sliding fit with the guide rail 6, the guide rail 6 is disposed on the carrying platform 2, so that the slider 5 has a sliding component close to or away from the fixing base 1 when sliding on the guide rail 6, and specifically, the axis direction of the guide rail 6 can be parallel to the rotation axis of the supporting wheel 9.

Slider 5 is connected with the first end of connecting piece 3, and the second end of connecting piece 3 is connected with the rotating part 15 of fixing base 1.

So set up, load-bearing platform 2 is in the in-process of rotating around fixing base 1, when the trend that deviates from the movement track appears, through the sliding fit of slider 5 with guide rail 6, can allow load-bearing platform 2 to follow trend and move for connecting piece 3, in order to be close to or keep away from fixing base 1.

The both ends of above-mentioned connecting piece 3 respectively with slider 5 and rotating part 15 universal connection, can ensure the smooth and easy slip of slider 5 on guide rail 6, avoid appearing the card pause, block dead problem even.

Moreover, when testing the test steering wheels 4 with different specifications and models, the ground clearance of the bearing platform 2 is also different, so that the inclination degree of the connecting piece 3 in the vertical plane is also different. The both ends and the slider 5 of connecting piece 3 and the 1 universal joint of fixing base can allow connecting piece 3 to have different inclination to when connecting piece 3 has different inclination, can ensure slider 5 along the smooth and easy slip of guide rail 6.

Specifically, the connecting member 3 may be provided in a rod-like structure, and joint bearings 17 may be provided at both ends of the connecting member 3, so that the connecting member 3 is connected to the slider 5 and the rotating portion 15 through the joint bearings 17, respectively. As shown in fig. 7 and 8, a U-shaped mounting base 18 is provided on the rotating portion 15, and a connecting shaft 19 for connecting with the joint bearing 17 at the end of the connecting member 3 is provided between the two wing plates of the U-shaped mounting base 18.

In the embodiment of the present invention, the above detecting device includes the first sensor 7, and the first sensor 7 can be disposed on at least one of the slider 5, the guide rail 6 and the carrying platform 2, and is specifically determined according to the type of the first sensor 7. The first sensor 7 is configured to generate a first trigger signal when detecting that the slider 5 slides to the first position.

Specifically, the first sensor 7 may be a photoelectric switch, and the photoelectric switch is disposed on the lower surface of the bearing platform 2 and located on one side of the guide rail 6, and is used for detecting the position of the slider 5, referring to fig. 4 and 5. The position of the photoelectric switch is a first position, and when the sliding block 5 slides to be aligned with the photoelectric switch, the photoelectric switch generates an electric signal.

The first sensor 7 is electrically connected with the control device, and when the first sensor 7 is a photoelectric switch, the photoelectric switch is electrically connected with the control device, and the control device can receive an electric signal generated by the photoelectric switch. When the control device receives first trigger signals such as the electric signal of the photoelectric switch, the test steering wheel 4 is controlled to finely adjust the steering angle, so that the test steering wheel 4 drives the bearing platform 2 to generate a recovery trend opposite to the deviation trend, and excessive deviation of the test steering wheel 4 and the bearing platform 2 is prevented.

Specifically, two photoelectric switches may be provided, which are disposed at intervals and distributed along the extending direction of the guide rail 6. Two photoelectric switches can detect slider 5's position respectively when load-bearing platform 2 is close to fixing base 1 or keeps away from fixing base 1, synthesize two photoelectric switches, can control slider 5 in suitable within range, prevent that load-bearing platform 2 from excessively being close to and excessively keeping away from fixing base 1, form closed-loop control, can be in continuous safe operation under the unmanned on duty's the condition.

In a further embodiment, the detecting device further includes a second sensor 8, and the second sensor 8 may also be disposed on at least one of the slide 5, the guide rail 6 and the loading platform 2, corresponding to the first sensor 7, and is determined according to the type of the first sensor 7.

The second sensor 8 is configured to generate a second trigger signal when detecting that the slider 5 slides to the second position. The second position may be a position on the side of the first position near the end of the guide rail 6.

Specifically, the second sensor 8 may be a proximity switch, and the proximity switch is disposed on the lower surface of the bearing platform 2, and is located on one side of the guide rail 6, and the proximity switch is located on one side of the end portion of the photoelectric switch close to the guide rail 6. Accordingly, a trigger is provided on the slider 5.

In the deviation process of the bearing platform 2, if sudden accidents such as accidental failure of the photoelectric switch occur, the bearing platform 2 can continuously deviate when deviating to the first position of the sliding block 5, the sliding block 5 gradually slides to the second position, and when the sliding block 5 slides to the joint of the trigger and the proximity switch, the proximity switch can be triggered to generate an electric signal.

The second sensor 8 is electrically connected with the control device, and when the second sensor 8 is a proximity switch, the proximity switch is electrically connected with the control device, and the control device can receive an electric signal generated by the proximity switch. When the control device receives a second trigger signal such as an electric signal of the proximity switch, the control device can control the test steering wheel 4 to suddenly stop (immediately stop running) and force the steering wheel test device to stop running so as to ensure the safety of the steering wheel test device in the running process.

Specifically, two proximity switches may be provided, which are distributed along the extending direction of the guide rail 6 and located on both sides of the two photoelectric switches, for example, so that the two proximity switches respectively correspond to both end portions of the guide rail 6. Synthesize two proximity switches, can appear excessively being close to fixing base 1 and excessively keeping away from when fixing base 1 in load-bearing platform 2, can both force rudder wheel testing arrangement stop operation to ensure the security of rudder wheel testing arrangement operation in-process.

The control device can also adjust the speed and acceleration of the test steering wheel 4.

It should be noted that the process principle of the control device controlling the steering angle, the driving speed, the acceleration, the starting and the sudden stop of the test steering wheel 4 is similar to the process principle of the controller arranged on the automated guided vehicle in the prior art for controlling the steering angle, the driving speed, the acceleration, the starting and the sudden stop of the automated guided vehicle, and therefore no further description is provided herein.

The first sensor 7 and the second sensor 8 may be a reed switch, a non-contact switch such as a photoelectric type or an inductive type, a contact switch having a mechanical contact, or the like.

In this embodiment, the steering wheel testing device further includes a plurality of support plates 10, and the thickness of the plurality of support plates 10 is different. Any supporting plate 10 can be arranged between the bearing platform 2 and the supporting wheels 9, and the bearing platform 2 and the supporting wheels 9 can be detachably connected through any supporting plate 10.

When testing the test steering wheel 4 with different specifications and models, the supporting plate 10 can be selected according to the height dimension of the test steering wheel 4, and the supporting plate 10 is utilized to compensate the height difference between the supporting wheel 9 and the test steering wheel 4, so that the upper surface of the bearing platform 2 is ensured to be in a horizontal state.

The electric energy required by the detection device, the control device and the test steering wheel 4 can be provided by a storage battery or a commercial power.

When the storage battery is used for supplying power, the storage battery can be directly arranged on the bearing platform 2, and at the moment, the storage battery can also be used as a load.

When the commercial power is used for supplying power, the steering wheel testing device further comprises a power transmission assembly which is used for connecting the commercial power and the steering wheel testing device, the limitation of the cruising ability of energy systems such as a battery is avoided, and the 24-hour safe operation can be realized.

In this embodiment, the power transmission assembly includes a first line, a second line 11 and a conductive connection portion 12, and the conductive connection portion 12 is disposed on the fixing base 1. The conductive connection portion 12 may be a current collector, which includes two portions rotatably connected and electrically contacted, wherein one portion is fixed on the rotating portion 15, rotates synchronously with the rotating portion 15, and is electrically connected to the first wire. The other part is fixedly connected with the fixing part 14 and electrically connected with the second line 11, thereby realizing the electrical connection between the first line and the second line 11.

With above-mentioned first circuit setting on connecting piece 3, specifically can make first circuit wear to locate the inside of connecting piece 3, also can fix first circuit ligature in the outside of connecting piece 3 as long as can make first circuit and connecting piece 3 keep relatively fixed can. The first end of the first line is used for being electrically connected with the detection device, the control device and the test steering wheel 4, and the second end of the second line 11 is used for being connected with a power supply or a commercial power.

It should be noted that, an electric cabinet 22 may be disposed on the bearing platform 2, the first end of the first circuit is electrically connected to the electric cabinet 22, and the electric cabinet 22 supplies power to the detection device, the control device, and the test steering wheel 4.

In a further embodiment, the power transmission assembly further comprises a support frame for supporting the second line 11. The first end of the support frame extends to the upper part of the test area, and the other end of the support frame extends to the outside of the test area. The first end of the second circuit 11 is connected to the conductive connecting portion 12, and then extends to the upper side of the fixing base 1 and is fixed on the supporting frame. Similarly to the first line, the second line 11 may be inserted into the inside of the support frame, or the second line 11 may be bound and fixed to the outside of the support frame, as long as the second line 11 and the support frame are relatively fixed.

So set up, at test steering wheel 4 and load-bearing platform 2 around fixing base 1 rotation in-process, the position of second circuit 11 above fixing base 1 keeps fixed, and first circuit rotates along with connecting piece 3 is synchronous, can not produce between first circuit and the second circuit 11 and interfere, winding problem.

The support frame comprises a first support 20 and a second support 21, the lower end of the first support 20 can be fixedly placed on the ground outside the test area, the second support 21 is connected with the first support 20 in a sliding mode, the sliding direction extends along the horizontal direction, and the second support 21 extends above the test area. By sliding the second bracket 21 relative to the first bracket 20, the test device can be applied to test areas of different sizes, and the adaptability of the test device for the steering wheel in the embodiment is improved.

In a specific embodiment, the control device, the performance detection system, and the circuit components may be collectively disposed in the electric cabinet 22, which is convenient for management. Specifically, the electric cabinet 22 may be disposed at the rear end of the carrying platform 2, and the electric cabinet 22 is fixedly connected to the carrying platform 2 by bolts. A threading hole 23 for a circuit to pass through is arranged on the side wall of the electric cabinet 22.

Load-bearing platform 2 is formed by horizontal pipe fitting and vertical pipe fitting welded fastening, when needs are with the circuit in the electric cabinet 22 to load-bearing platform 2 below guide, or when guiding the circuit to the installation department, inevitably need set up the through-hole on electric cabinet 22, horizontal pipe fitting and vertical pipe fitting as through wires hole 23. To avoid abrasion to the wires, a protection plate 24 may be provided at an end of the threading hole 23, see fig. 6.

Connecting lines are arranged between the first sensor 7 and the control device, between the second sensor 8 and the control device and between the control device and the testing steering wheel 4, so that a wire fixing clamp 13 is arranged on the lower surface of the bearing platform 2 and used for fixing the connecting lines and avoiding the influence of line winding and lines on the work of photoelectric switches and the like.

Above-mentioned solidus clamp 13 can be for ribbon, clamp etc. specifically chooses for use as required.

In conclusion, the rudder wheel testing device in the above embodiment can accurately simulate and test performance parameters of test rudder wheels with different specifications in actual operation, and has the characteristics of simple structure, convenience in detection, accuracy in testing, safety, reliability, high efficiency, strong universality and the like.

In addition, when the steering wheel testing device in this embodiment is idle, a system such as a navigation system may be installed on the carrying platform 2, and the system is used as an automated guided vehicle to carry goods.

It should be noted that the steering wheel testing device in this embodiment may be used for testing a steering wheel of an automated guided vehicle, but is not limited to the steering wheel testing device, and may also be used for testing a steering wheel on other products.

On the other hand, the embodiment of the utility model provides a still provide a steering wheel test equipment, including the performance detecting system that steering wheel testing arrangement and the arbitrary embodiment of the aforesaid provided, performance detecting system is used for carrying out the performance detection to the test steering wheel 4 of installing on steering wheel testing arrangement. The steering wheel testing device in the embodiment removes the rigid constraint of the connecting piece 3 on the bearing platform 2, the stress of the connecting piece 3 is relatively small, and the requirement on the strength of the connecting piece 3 is low. The steering wheel test equipment in this embodiment also has the advantage of low strength requirements for the attachment 3. The embodiment of the utility model provides an in beneficial effect's of helm test equipment derivation process is similar roughly with above-mentioned helm testing arrangement's beneficial effect's derivation process, and the unnecessary repeated description is given here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A steering wheel testing device is characterized by comprising a fixed seat, a bearing platform, a connecting piece, a detecting device and a control device, wherein a pair of supporting wheels distributed at intervals and an installation part for installing and testing a steering wheel are arranged below the bearing platform, the rotating axes of the supporting wheels are overlapped with each other, a space is reserved between the installation part and the rotating axis of the supporting wheel, the connecting piece is connected between the fixed seat and the bearing platform, and the connecting piece and the bearing platform can rotate around the fixed seat;

the connecting piece is movably connected with the bearing platform to allow the bearing platform to be close to or far away from the fixed seat;

and the control device is arranged to control the test steering wheel to adjust the steering angle or stop running so as to enable the bearing platform and the connecting piece to be positioned in a target relative position range when receiving the trigger signal.

2. Rudder wheel test device according to claim 1, wherein a guide rail slider assembly is arranged between the connection element and the carrier platform, a slider of the guide rail slider assembly being connected to a first end of the connection element, a second end of the connection element being connected to the mounting base, a guide rail of the guide rail slider assembly being arranged on the carrier platform, the slider having a sliding component on the guide rail which is closer to or further away from the mounting base.

3. Rudder wheel test device according to claim 2, wherein the detection device comprises two first sensors, which are distributed along the axial direction of the guide rail slider assembly, the first sensors being arranged on at least one of the slider, the guide rail and the load-bearing platform, the first sensors being arranged to generate a first trigger signal upon detection of a sliding movement of the slider to a first position;

4. Rudder wheel test device according to claim 3, wherein the detection device further comprises two second sensors arranged on both sides of the two first sensors, the second sensors being arranged on at least one of the slide, the rail and the load carrying platform, the second sensors being arranged to generate a second trigger signal upon detection of a sliding movement of the slide to a second position;

5. Rudder wheel test device according to claim 1, further comprising a plurality of support plates, wherein the plurality of support plates are different in thickness, and the carrier platform and the support wheel can be detachably connected via any one of the support plates.

6. The rudder wheel testing device according to claim 1, further comprising a power transmission assembly, wherein the power transmission assembly comprises a first line, a second line and a conductive connecting portion, the conductive connecting portion is disposed on the fixing base, the first line is disposed on the connecting member, a first end of the first line is used for being electrically connected with the detecting device, the control device and the test rudder wheel, a second end of the second line is used for being connected with a power supply, and a second end of the first line is electrically connected with a first end of the second line through the conductive connecting portion.

7. Rudder wheel test device according to claim 6, wherein the power transmission assembly further comprises a support frame for supporting the second line, the support frame comprises a first support and a second support, the first support is fixed outside the test area, the second support extends above the test area, the second support is connected with the first support in a sliding mode, and the sliding direction is arranged along the horizontal direction.

8. Rudder wheel test device according to claim 2, wherein the mounting comprises a stationary part and a rotatable part, wherein the rotatable part is rotatably connected to the stationary part, and wherein the axis of rotation is arranged in a vertical direction.

9. Rudder wheel test device according to claim 8, wherein the connection element is universally connected at a first end to the rotary part and at a second end to the slide.

10. A steering wheel test apparatus comprising a steering wheel test device and a performance test system for performing performance test on a test steering wheel mounted on the steering wheel test device, the steering wheel test device being a steering wheel test device according to any one of claims 1 to 9.