An electrical automation test bench

Abstract

The application relates to the technical field of pneumatic detection, and discloses an electrical automation test bench, which comprises a rack, a driving piece for providing test power, and a detection piece for diversified testing of different types of electrical parts; the detection piece comprises a torsion piece, a rotation test piece and a stretching test piece; the torsion piece comprises a fixing frame fixed on the rack, a positioning sheet arranged on the fixing frame, a pressing sheet arranged below the positioning sheet, an electrical torsion test part arranged between the pressing sheet and the positioning sheet, and a swing arm arranged below the pressing sheet and in transmission connection with the driving piece. The electrical automation test bench can uniformly and synchronously detect different types of electrical parts through various test environments, and finally improves the overall applicability of the test rack and the test efficiency of the electrical parts.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of pneumatic detection, in particular to an electrical automation test bench. BACKGROUND

[0002] With the wide popularity of electrical automation technology in the fields of industry and agriculture and the rapid increase of intelligent electronic devices in daily life, the quality and performance requirements of the electronic devices are increasingly strict. In order to ensure the reliability and stability of the electronic devices before being put on the market, strict tests and inspections are usually required.

[0003] Meanwhile, many current electrical automation devices need to be subjected to various tests of tensile strength and fatigue strength according to the design between structures, so as to determine whether the parts can bear the motion strength between structures. If some special parts are put into use without being tested, the service life of the entire non-standard automation device is likely to be reduced. The current detection equipment is too single and cannot realize the motion test of various types of structures, so different equipment needs to be used for testing, and the detection efficiency is greatly reduced. Therefore, the electrical automation test bench is provided to solve the above problems. SUMMARY

[0004] TECHNICAL PROBLEM

[0005] In view of the defects in the prior art, the electrical automation test bench is provided to solve the problem that the prior art cannot detect the strength of different motion relationships of some electrical special structures.

[0006] (II) TECHNICAL SCHEME

[0007] To achieve the above purpose, the application provides the following technical scheme: an electrical automation test bench, comprising a rack, a driving part for providing test power, and a detection part for diversifying testing of different types of electrical parts; the detection part comprises a torsion part, a rotation test part and a tensile test part; the torsion part comprises a fixing frame fixed on the rack, a positioning sheet arranged on the fixing frame, a pressing sheet arranged below the positioning sheet, an electrical torsion test part arranged between the pressing sheet and the positioning sheet, and a swing arm arranged below the pressing sheet and in transmission connection with the driving part.

[0008] Preferably, the driving part comprises a driving motor, a rotating wheel connected to the output end of the driving motor through a speed reducer, a motion rod rotatably connected to the eccentric position of the rotating wheel, a swing frame rotatably connected to the left end of the motion rod through a shaft, a sliding pin arranged on the swing frame and sliding in a sliding groove formed in the swing arm.

[0009] Preferably, the rotating test piece comprises a toothed sleeve, the surface of the toothed sleeve is provided with teeth, and the teeth are engaged with an engagement gear, the engagement gear is rotationally connected to the rack, the engagement gear is provided with a rotating test electrical part, the rack is further threadedly connected with a clamping rod, the end surface of the clamping rod abuts against the surface of the rotating test electrical part, the inside of the toothed sleeve is slidably connected with a support rod, the support rod is sleeved with a fixing spring, one end of the fixing spring is fixed to the end surface of the support rod, the right end of the fixing spring is fixed to the inside of the toothed sleeve, and the right end of the support rod is connected with the driving motor through a connecting piece.

[0010] Preferably, the engagement gear is fixedly connected with a clamping sleeve, the clamping sleeve is inserted with a plug shaft, and the rotating test electrical part is clamped on the plug shaft.

[0011] Preferably, the connecting piece comprises a cross rod, the cross rod is connected with the support rod, the cross rod is connected with a pull rod, the right end of the pull rod is rotationally connected with a sliding rod, and the right end of the sliding rod is rotationally connected to a moving rod.

[0012] Preferably, the rack is provided with a detection station, the rack is rotationally connected with a pressure rod, the right side of the pressure rod is provided with a push rod, and the right end of the push rod is connected with the toothed sleeve.

[0013] Preferably, the stretching test piece comprises an elastic member, the elastic member is connected with a connecting sleeve, and the connecting sleeve is connected with the output shaft of the cylinder to be detected through threads.

[0014] The elastic member comprises an elastic rod, the surface of the elastic rod is slidably connected with an outer sleeve, the inside of the outer sleeve is provided with a tension spring, one end of the tension spring is connected with the left end of the elastic rod, the other end of the tension spring is connected with the inner wall of the outer sleeve, the elastic rod is connected with the cross rod, the outer sleeve is engaged with a rotating gear through teeth, the rotating gear is fixed with a pointer at the shaft center thereof, the surface of the rotating gear is rotationally connected with a display sleeve, and the display sleeve is mounted on the rack.

[0015] Preferably, the elastic member is provided with two groups, the surface of the connecting sleeve of the elastic member located at the rear of the rack is connected with a clamping pin, and the detection station is provided with a plug pin corresponding to the clamping pin.

[0016] Preferably, the vibration test piece comprises a power rod, the right end of the power rod is rotationally connected to the cross rod, the power rod is provided with a taper key, the power rod is slidably connected with a contact plate, the contact plate is fixedly connected with a vibration plate, the vibration plate slides up and down on the detection station, and the bottom of the vibration plate is elastically connected with the rack through a vibration spring.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the present application provides an electrical automation test bench, which has the following beneficial effects:

[0019] 1. The electrical automation test bench can perform torsional fatigue testing on rotating parts in electrical automation, such as high-frequency automated strength testing of some hinges or hinges, and then determine whether the part meets the required strength according to the testing time, so as to detect and remove substandard parts, thereby improving the stability and service life of electrical connection equipment.

[0020] 2. The electrical automation test bench can perform rotation testing on some rotating parts in electrical parts, such as rotating structures of bearings, thereby detecting the torsional tension and torsional damping of the rotating parts, and determining the operating state of the parts according to the detection time and the change value of the damping according to the high-frequency operating time, thereby performing rotation fatigue testing on the parts of the electrical equipment.

[0021] 3. The electrical automation test bench can drive the pressure rod to rotate and then realize gravity pressing, thereby performing high-frequency impact detection on some electrical parts, and determining whether the electrical parts can meet the appropriate strength test.

[0022] 4. The electrical automation test bench can perform tension testing on the parts of the electrical structure, such as a cylinder, by providing a certain tension on the output shaft of the cylinder through power transmission, and detecting whether the output shaft can move according to the tension in the closed state of the cylinder, thereby determining the subsequent use stability of the entire cylinder.

[0023] 5. The electrical automation test bench can control the electrical parts placed on the oscillation plate to perform oscillation testing in the action of power circulation, thereby determining whether the electrical parts change in operation under high-frequency oscillation.

[0024] In summary, the device can perform unified and synchronous detection on different types of electrical parts by using various test environments, thereby improving the overall applicability of the test bench and the test efficiency of the entire electrical part. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The present application provides an overall structure diagram of an electrical automation test bench;

[0026] Figure 2 The present application provides a connection structure diagram of the driving part and the torsion part of an electrical automation test bench;

[0027] Figure 3 A schematic view of the position structure of the rotating test piece and the stretching test piece of the electrical automation test bench provided by the present application;

[0028] Figure 4 A schematic view of the rotating test piece structure of the electrical automation test bench provided by the present application;

[0029] Figure 5 A schematic view of the connection structure of the shaft and the sleeve of the electrical automation test bench provided by the present application;

[0030] Figure 6 A schematic view of the stretching test piece structure of the electrical automation test bench provided by the present application;

[0031] Figure 7 A schematic view of the connection position of the pin and the bolt of the electrical automation test bench provided by the present application;

[0032] Figure 8 A schematic view of the vibration test piece structure of the electrical automation test bench provided by the present application.

[0033] In the figure: 1, a rack; 2, a driving piece; 201, a driving motor; 202, a speed reducer; 203, a rotating wheel; 204, a moving rod; 205, a swing frame; 206, a sliding pin; 207, a pull rod; 208, a sliding rod; 209, a cross rod; 3, a detection piece; 301, a fixed frame; 302, a pressing plate; 303, a swing arm; 304, a sliding groove; 305, a detection station; 306, a rotating test piece; 3061, a toothed sleeve; 3062, a supporting rod; 3063, a fixed spring; 3064, an engaging gear; 3065, a sleeve; 3066, a shaft; 3067, a clamping rod; 3068, a pressure rod; 3069, a push rod; 307, a stretching test piece; 3071, an elastic rod; 3072, an outer sleeve; 3073, a tension spring; 3074, a display sleeve; 3075, a rotating gear; 3076, a connecting sleeve; 3077, a pin; 3078, a bolt; 308, a vibration test piece; 3081, a power rod; 3082, a vibrating plate; 3083, a taper key; 3084, a contact plate; 3085, a vibrating spring. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0035] Please refer to Figures 1-8The utility model provides an electrical automation test platform, comprising a rack 1, a driving part 2 for providing test power, and a detection part 3 for diversified testing of different types of electrical parts, wherein the detection part 3 comprises a torsion part, a rotation test part 306 and a tensile test part 307.

[0036] The torsion part comprises a fixing frame 301 fixed on the rack 1, a positioning sheet arranged on the fixing frame 301, a pressing sheet 302 arranged below the positioning sheet, an electrical torsion test part arranged between the pressing sheet 302 and the positioning sheet, and a swing arm 303 arranged below the pressing sheet 302 and in transmission connection with the driving part 2. The torsion part is mainly used for torsional fatigue strength testing of rotating parts such as hinges and hinges. The upper part of the fixing frame 301 is provided with a positioning sheet for preliminary positioning of the electrical part to be tested. The pressing sheet 302 is arranged below the positioning sheet, and a clamping area is formed between the pressing sheet 302 and the positioning sheet for fixing the electrical torsion part such as a hinge to be tested. By adjusting the distance between the pressing sheet 302 and the positioning sheet or using fasteners, the installation requirements of parts of different thicknesses or sizes can be met to ensure that the parts do not loosen or deviate during testing. The swing arm 303 is connected below the pressing sheet 302 and is in transmission connection with the driving part 2 through the sliding groove 304 formed in the swing arm 303. Specifically, the sliding pin 206 in the driving part 2 is embedded in the sliding groove 304 of the swing arm 303. When the driving motor 201 is started, the rotation motion is converted into the reciprocating swing motion of the swing arm 303 through a series of transmission mechanisms such as the speed reducer 202, the rotating wheel 203, the motion rod 204 and the swing frame 205. The swing motion further drives the pressing sheet 302 and the electrical part clamped thereby to be periodically twisted, simulating the high-frequency opening and closing or rotating working condition in actual use. The user can record the state change of the part after a certain cycle by controlling the running time or number of the driving motor 201, and then judge whether it meets the use requirement. This structure is not only suitable for hinge parts, but also can be extended to other electrical connectors or rotating parts that need to be verified for torsional strength, and has strong universality and practicality.

[0037] In the embodiment, the driving member 2 comprises a driving motor 201, an output end of the driving motor 201 is connected with a rotating wheel 203 through a speed reducer 202, the rotating wheel 203 is rotationally connected with a motion rod 204 at an eccentric position, a left end of the motion rod 204 is rotationally connected with a swing frame 205 through a shaft, the swing frame 205 is provided with a sliding pin 206, the sliding pin 206 slides in a sliding groove 304 in the swing arm 303. The driving motor 201 is a power source, an output shaft thereof is connected with the speed reducer 202 through a shaft coupling. The speed reducer 202 is used for reducing rotating speed and increasing output torque, so as to adapt to the requirements of the test table on action frequency and torque. The output end of the speed reducer 202 is provided with the rotating wheel 203, the rotating wheel 203 is designed as a disc structure, and a rotation connecting point is arranged at an eccentric position of the rotating wheel 203, which is used for hingedly connecting a right end of the motion rod 204. When the driving motor 201 is started, the rotating wheel 203 rotates at a uniform speed. Since the motion rod 204 is connected with the eccentric point of the rotating wheel 203, the right end of the motion rod 204 rotates with the rotating wheel 203, and the left end is rotationally connected with the swing frame 205 through a shaft. This structure converts the rotating motion of the rotating wheel 203 into horizontal reciprocating linear motion. The sliding groove 304 is a strip hole structure with a certain length, which is designed so that the sliding pin 206 not only transmits swing, but also slides along the groove, so as to convert the swing of the swing frame 205 into more complex composite motion of the swing arm 303, that is, a rotating component and a certain displacement adjustment, so as to adapt to the requirements of different test members on motion trajectories. Through the above transmission chain, the continuous rotation of the driving motor 201 is finally converted into periodic swing of the swing arm 303, so as to provide required power for the detection unit such as the torsion member and the rotating test member 306. The driving system has compact structure, reliable transmission, good controllability and adaptability, and can meet the test requirements of various electrical parts in fatigue strength, dynamic performance and the like.

[0038] Further, the rotating test piece 306 comprises a toothed sleeve 3061, the surface of the toothed sleeve 3061 is provided with teeth, and the teeth are engaged with an engagement gear 3064, the engagement gear 3064 is rotationally connected to the rack 1, the engagement gear 3064 is provided with a rotating test electrical part, the rack 1 is also threadedly connected with a clamping rod 3067, the end surface of the clamping rod 3067 abuts against the surface of the rotating test electrical part, the inside of the toothed sleeve 3061 is slidably connected with a support rod 3062, the support rod 3062 is sleeved with a fixing spring 3063, one end of the fixing spring 3063 is fixed to the end surface of the support rod 3062, the right end of the fixing spring 3063 is fixed to the inside of the toothed sleeve 3061, and the right end of the support rod 3062 is connected with the driving motor 201 through a connecting piece. The rotating test piece 306 is used for rotating fatigue and torque damping test of rotating electrical parts such as bearings and small rotors in the application, when the driving motor 201 drives the support rod 3062 to do horizontal reciprocating motion through the transmission mechanism, the support rod 3062 will first compress or stretch the fixing spring 3063, instead of directly pushing the toothed sleeve 3061. Through the elastic force of the spring, the power is stably transmitted to the toothed sleeve 3061, so as to drive it to move left and right. The left-right linear motion of the toothed sleeve 3061 is converted into the forward-reverse alternating rotary motion of the engagement gear 3064 through the teeth on the surface, finally drives the measured part to do forward-reverse test, and the rotating damping in the measured part will react on the engagement gear 3064, and then be transmitted to the toothed sleeve 3061, so as to affect the difficulty of its movement. When the damping increases, the motion resistance of the toothed sleeve 3061 will increase, so that the amount of compression or stretching of the fixing spring 3063 is larger, so that the relative displacement between the support rod 3062 and the toothed sleeve 3061 changes. The operator can observe the relative position of the preset scale line on the support rod 3062 and the end surface of the toothed sleeve 3061, and intuitively quantitatively evaluate the size of the damping force. In the long-term fatigue test, the change of the displacement amount can be monitored, so as to judge whether the performance of the part is attenuated. The rotating test piece 306 not only realizes the high-frequency forward-reverse fatigue test of the rotating part, but also integrates a simple and effective damping monitoring system, greatly improving the depth and practicality of the test.

[0039] Further, the engagement gear 3064 is fixedly connected with a sleeve 3065, the sleeve 3065 is inserted with a plug shaft 3066, and the rotating test electrical part is clamped on the plug shaft 3066. The sleeve 3065 is usually a cup-shaped or sleeve-shaped member, the base of which is fixedly connected with the hub or end face of the engagement gear 3064 by means of key connection, interference fit or fastening bolt, etc., to ensure synchronous rotation with the engagement gear 3064 without relative sliding. In order to adapt to different specifications and sizes of the measured parts, the sleeve 3065 is axially provided with a standardized interface, such as an internal hexagonal hole, a spline groove, and the like. The operator only needs to directly sleeve and clamp the rotating electrical part to be tested, such as the inner ring of the bearing, on the specially designed shaft end of the plug shaft 3066. Through the modular series structure of "engagement gear 3064-sleeve 3065-plug shaft 3066-measured part", the accurate transmission of power from the driving system to the measured object is realized. When different types of parts need to be tested, only the corresponding plug shaft 3066 needs to be replaced, without the need to change the core gear transmission system, greatly improving the test efficiency.

[0040] In addition, the connecting piece comprises a cross rod 209 connected with the supporting rod 3062, the cross rod 209 is connected with a pull rod 207, the right end of the pull rod 207 is rotatably connected with a sliding rod 208, and the right end of the sliding rod 208 is rotatably connected with the moving rod 204. The connecting piece is used to efficiently and synchronously distribute and transmit the single original power generated by the driving piece 2 to multiple different test execution mechanisms. The main body of the connecting piece is a cross rod 209, which is horizontally arranged and can move reciprocatingly and linearly along the axial direction. The left end of the cross rod 209 is directly connected or fixed with the supporting rod 3062 in the rotating test piece 306. Therefore, the left and right movement of the cross rod 209 will be directly converted into the synchronous reciprocating movement of the supporting rod 3062, thereby providing input power for the rotating test.

[0041] In addition, the detection station 305 is arranged on the rack 1, the pressure rod 3068 is rotatably connected to the rack 1, the push rod 3069 is arranged at the right side of the pressure rod 3068, and the right end of the push rod 3069 is connected with the gear sleeve 3061. The stretching test piece 307 comprises an elastic piece, the connecting sleeve 3076 is connected to the elastic piece, and the connecting sleeve 3076 is connected with the output shaft of the cylinder to be detected through screw threads. The elastic piece comprises the elastic rod 3071, the outer sleeve 3072 is slidably connected to the surface of the elastic rod 3071, the tension spring 3073 is arranged in the inner portion of the outer sleeve 3072, one end of the tension spring 3073 is connected with the left end of the elastic rod 3071, the other end of the tension spring 3073 is connected with the inner wall of the outer sleeve 3072, the elastic rod 3071 is connected with the cross rod 209, the rotary gear 3075 is engaged with the outer sleeve 3072 through the teeth, the shaft center of the rotary gear 3075 is fixedly connected with the pointer through the connecting rod, the display sleeve 3074 is rotatably connected to the surface of the rotary gear 3075, and the display sleeve 3074 is installed on the rack 1. The execution end of the test piece is the connecting sleeve 3076, the connecting sleeve 3076 is internally processed with screw threads, and is directly screwed on the end of the output shaft of the cylinder to be detected, such as the piston rod. The rear of the connecting sleeve 3076 is connected with the elastic piece, when the cross rod 209 moves rightwards under the driving of the driving piece 2, the elastic rod 3071 is pulled to move rightwards synchronously. Since the connecting sleeve 3076 is connected with the output shaft of the cylinder to be detected through the outer sleeve 3072, the right movement of the elastic rod 3071 will try to stretch the tension spring 3073. The spring is thus elongated, and an elastic counterforce trying to restore the original state is generated, which is converted into the test tension applied on the output shaft of the cylinder to be detected. Importantly, the outer sleeve 3072 is not fixed during this process. When the spring is stretched, the reaction force of the spring will push the outer sleeve 3072 to move leftwards relative to the elastic rod 3071. In order to convert this small displacement into a visual reading, a section of rack-shaped teeth is processed on the outer surface of the outer sleeve 3072. The rack is engaged with a rotary gear 3075. Therefore, the axial movement of the outer sleeve 3072 will drive the rotary gear 3075 to rotate, and a pointer is fixed on the shaft center of the rotary gear 3075 through a connecting rod. The whole rotary gear 3075 and the pointer mechanism are encapsulated in a display sleeve 3074, and the display sleeve 3074 is fixedly installed on the rack 1, and the surface of the display sleeve 3074 is usually marked with a scale disc. When the gear rotates, the pointer will swing on the scale disc. The scale value indicated by the pointer directly corresponds to the elongation of the tension spring 3073, and after pre-calibration, the real-time tension value can be converted. If the cylinder is placed in a closed state, when the test tension is applied, the output shaft of the cylinder should remain stationary. At this time, the tension is entirely borne by the spring deformation, and the pointer will stably point to a tension value. If the pointer continuously fluctuates or falls back, it indicates that there may be a leakage in the cylinder, causing the piston rod to be pulled out. If the cylinder is placed in a free state, the reciprocating tension applied by the test bench will drive the cylinder piston rod to synchronously stretch and contract, and reciprocating fatigue test is performed.At this time, the pointer will reciprocating swing with the size of the pulling force, the operator can observe its swing to assess the running damping.

[0042] It is worth noting that the elastic member is provided with two groups, and the connecting sleeve 3076 on the elastic member behind the rack 1 is connected with the bayonet 3077, and the detection station 305 is provided with the latch 3078 corresponding to the bayonet 3077. One of the elastic members is as before, mainly used for testing the elements such as cylinder with fixed base. And the other group of elastic members behind the rack 1 undertakes different test tasks, which are specially used for testing the fatigue performance of independent spring parts or other linear elements needing two-end tension. In order to realize this function, the connecting sleeve 3076 structure of the rear elastic member is reformed. One or more bayonets 3077 are usually fixed on the surface in the radial direction. The bayonet 3077 can be designed as a cylindrical pin or a short shaft form. The latch 3078 is arranged on the surface of the detection station 305 or the special clamp corresponding to the axial position of the bayonet 3077. The latch 3078 is fixedly installed on the rack 1, and its form is matched with the bayonet 3077. A specific installation space is reserved between the two, and the operator hooks or sleeves one end of the spiral spring or other linear element to be tested on the bayonet 3077 of the connecting sleeve 3076, and the other end is hung on the fixed latch 3078 on the detection station 305. In this way, the measured spring is parallel to the elastic member and is installed between the bayonet 3077 and the latch 3078. When the cross bar 209 drives the elastic rod 3071 to reciprocate, it will drive the whole rear elastic member and its connecting sleeve 3076 to move synchronously. The reciprocating movement of the connecting sleeve 3076 makes the bayonet 3077 apply periodic tensile and release load to the measured spring. At the same time, the elastic spring 3073 inside the elastic member will also be subjected to the reaction force from the measured spring. In addition, the sleeve 3072 will displace relatively, and drive the pointer to swing through the rack and pinion mechanism. The operator can indirectly monitor the dynamic tensile force applied to the measured spring through the pointer value, so as to evaluate its fatigue characteristics or force value attenuation.

[0043] It is worth mentioning that the vibration test piece 308 is also included, the vibration test piece 308 includes a power rod 3081, the right end of the power rod 3081 is rotatably connected to the cross rod 209, the power rod 3081 is provided with a taper key 3083, the power rod 3081 is slidably connected with a contact plate 3084, the contact plate 3084 is fixedly connected with a shock plate 3082, the shock plate 3082 slides up and down on the detection station 305, and the bottom of the shock plate 3082 is elastically connected to the rack 1 through a shock spring 3085. The vibration test piece 308 is used for simulating a high-frequency vibration environment in the test bench to test the working stability of electrical parts such as sensors, relays, circuit boards and the like under continuous vibration conditions. The taper key 3083 cooperates with the contact plate 3084. The taper key 3083 is a tapered block or cam structure fixedly installed on the power rod 3081. The contact plate 3084 is slidably sleeved on the power rod 3081 through a shaft sleeve or a sliding hole and can slide axially along the power rod 3081, but the lower end thereof is fixedly connected with the shock plate 3082. A beveled groove or V-shaped notch matching the shape of the taper key 3083 is formed on the contact plate 3084. When the power rod 3081 moves rightward with the cross rod 209, the taper of the taper key 3083 on the power rod 3081 will gradually slide into the beveled groove at the bottom of the contact plate 3084. By the interaction of the bevels, the taper key 3083 converts the horizontal thrust into an upward vertical component, thereby lifting the contact plate 3084 and driving the fixed shock plate 3082 to slide upward in the guide mechanism of the detection station 305 against the elastic force of the shock spring 3085. When the power rod 3081 moves leftward with the cross rod 209, the taper key 3083 exits from the beveled groove of the contact plate 3084. At this time, the contact plate 3084 and the shock plate 3082 lose the upward supporting force instantaneously and rapidly fall downward under the combined action of their own gravity and the restoring force of the shock spring 3085. The continuous reciprocating movement of the cross rod 209 makes the lifting-falling process circulate. The shock plate 3082 and the measured parts placed thereon thus produce continuous high-frequency impact vibration up and down. The shock spring 3085 not only provides a restoring force, but also determines part of the characteristics of the vibration such as the rebound speed according to the parameters such as the stiffness.

[0044] The working principle will be described below. The tested parts will be described as specific parts, but it is not limited to only one type of part. Those skilled in the art can replace different types of test parts according to the motion state of the equipment.

[0045] First, the electrical components for torsion detection is hinge, need the operator to paste the hinge on the fixed frame 301, then use bolt to fix the hinge between the pressing piece 302 and the fixed frame 301, then start the rotation of the driving motor 201, and then drive the rotation of the rotating wheel 203 through the speed reducer 202, and the moving rod 204 will realize the pull in the left and right directions because of the eccentric rotation movement relationship, and then drive the swing frame 205 to swing with the rotating center at the bottom, and when the swing frame 205 swings, it will drive the sliding pin 206 to slide in the sliding groove 304, and then drive the swing arm 303 to rotate and swing at the same time, so the hinge will be controlled to rotate by the action of the swing arm 303, so as to simulate the motion state of the hinge, so the operator only needs to control the running time of the driving motor 201, and check whether the fatigue strength of the hinge meets the standard under the high frequency in the time. At the same time, under the movement of the gear sleeve 3061, the push rod 3069 will be driven to move synchronously, and the push rod 3069 will abut against the pressure rod 3068 during the left movement, and abut against the rotation, and then when the push rod 3069 moves right and separates, the pressure rod 3068 relies on its own gravity to press and rotate, and the counterweight ball at the end face will hit the circuit breaker electrical equipment on the detection station 305, so as to detect the anti-shock ability. And the whole device has two elastic members, and the principle of the other elastic member is the same as that of the elastic member on the stretching test piece 307, which uses the transverse movement force to detect the tension of the spring clamped on the pin 3078 and the catch pin 3077 under high frequency movement, so as to detect the overall fatigue strength of the spring part.

[0046] Simultaneously, the moving rod 204 can also drive the sliding rod 208 to pull left and right during movement, and the left and right movement of the sliding rod 208 will drive the transverse rod 209 on the pull rod 207 to move back and forth left and right, the movement of the transverse rod 209 will drive the reciprocating movement of the support rod 3062, and the support rod 3062 will extrude and stretch the fixed spring 3063 inside the tooth sleeve 3061, and then drive the left and right movement of the tooth sleeve 3061 through the elastic connection, and the movement of the tooth sleeve 3061 will drive the rotation of the meshing gear 3064 through the surface teeth, and the rotation of the meshing gear 3064 will drive the rotation of the sleeve 3065, and the bearing part is inserted on the sleeve 3065 through the shaft 3066, and the top rod 3067 is moved tightly through the threaded movement, and the outer ring of the bearing is tightly pressed, so at this time the rotation of the sleeve 3065 will drive the rotation of the shaft 3066, and then drive the inner ring of the bearing to rotate, because the support rod 3062 and the tooth sleeve 3061 belong to the elastic connection mode, and considering that the bearing rotates with certain damping, so when the support rod 3062 drives the fixed spring 3063 to stretch and retract, the damping will be directly displayed by the length of the support rod 3062 pulled out, and the operator can check the distance between the tooth sleeve 3061 according to the scale line on the support rod 3062, and judge the damping strength of the bearing according to the distance, and whether there is a certain change under the environment of high-strength forward and reverse rotation. Therefore, this way can detect the fatigue strength of the bearing. At the same time, the movement of the transverse rod 209 will also drive the movement of the elastic part, and the movement principle is similar to the rotating test part 306, which drives the left and right movement of the outer sleeve 3072 through elastic connection, and the left and right movement of the outer sleeve 3072 will provide the axial force of the connecting sleeve 3076 left and right, and the connecting sleeve 3076 is screwed on the output shaft of the air cylinder, so at this time the output shaft of the air cylinder will have a certain pulling force. Under the detection state, the air cylinder can be closed or free, under the closed state, it can be detected whether the air cylinder appears movement due to air leakage under different elastic pulling force. Under the free state, the elastic pulling force is used to drive the reciprocating movement of the output shaft of the air cylinder, so as to realize fatigue detection of high-frequency movement of the air cylinder, and according to the same principle of the rotating test part 306, the rotation of the rotating gear 3075 is driven through the tooth engagement transmission, and the rotating gear 3075 will drive the rotation of the pointer connected thereto at this time, and the operator can check whether the air cylinder appears movement under the closed environment according to the movement of the pointer, and detect whether the movement damping changes under the open state.

[0047] And considering the electrical parts are in a vibrating environment, the whole detection platform is also provided with a vibration testing part 308. When the cross bar 209 moves in the lateral direction, the power bar 3081 will move in the axial direction, and the power bar 3081 will drive the taper key 3083 to slide in the triangular groove below the abutment plate 3084, and then drive the oscillation plate 3082 in the detection station 305 on the abutment plate 3084 to vibrate up and down at a high frequency, so as to simulate a vibrating environment, and finally test some sensors or transformers in a vibrating mode.

[0048] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying that there is any such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. An electrical automation test bench, characterized in that, include: Stand (1); Drive unit (2) is used to provide test power; Test piece (3) is used to perform diverse tests on different types of electrical components; The test piece (3) includes a torsion piece, a rotation test piece (306), and a tensile test piece (307). The driving component (2) includes a drive motor (201), the output end of the drive motor (201) is connected to a wheel (203) through a reducer (202), the wheel (203) is rotatably connected to a moving rod (204) at an eccentric position, the left end of the moving rod (204) is rotatably connected to a swing frame (205) through a shaft, the swing frame (205) is provided with a sliding pin (206), the sliding pin (206) slides in a sliding groove (304) opened in the swing arm (303); The torsion component includes a fixed frame (301), which is fixed on the platform (1). A positioning plate is provided on the fixed frame (301), and a pressure plate (302) is provided below the positioning plate. An electrical torsion test component is provided between the pressure plate (302) and the positioning plate. A swing arm (303) is provided below the pressure plate (302), and the swing arm (303) is connected to the drive component (2) for transmission. The rotating test piece (306) includes a toothed sleeve (3061), the surface of which is provided with teeth, and a meshing gear (3064) meshes with the teeth. The meshing gear (3064) is rotatably connected to the frame (1). A rotating test electrical component is provided on the meshing gear (3064). A clamping rod (3067) is also threadedly connected to the frame (1). The end face of the clamping rod (3067) abuts against the surface of the rotating test electrical component. A support rod (3062) is slidably connected inside the toothed sleeve (3061). A fixing spring (3063) is sleeved on the support rod (3062). One end of the fixing spring (3063) is fixed to the end face of the support rod (3062), and the right end of the fixing spring (3063) is fixed inside the toothed sleeve (3061). The right end of the support rod (3062) is connected to the drive motor (201) through a connector. The connector includes a crossbar (209), which is connected to a support rod (3062). A pull rod (207) is connected to the crossbar (209), and a sliding rod (208) is rotatably connected to the right end of the pull rod (207). The right end of the sliding rod (208) is rotatably connected to the moving rod (204). The tensile test piece (307) includes an elastic element, and a connecting sleeve (3076) is connected to the elastic element. The connecting sleeve (3076) is connected to the output shaft of the cylinder to be tested by a thread. The elastic element includes a spring rod (3071), and a sleeve (3072) is slidably connected to the surface of the spring rod (3071). A tension spring (3073) is provided inside the sleeve (3072). One end of the tension spring (3073) is connected to the left end of the spring rod (3071), and the other end of the tension spring (3073) is connected to the inner wall of the sleeve (3072). The spring rod (3071) is connected to a crossbar (209). A rotating gear (3075) is meshed with the sleeve (3072) by teeth. A pointer is fixed at the axis of the rotating gear (3075) by a connecting rod. A display sleeve (3074) is rotatably connected to the surface of the rotating gear (3075). The display sleeve (3074) is mounted on the stand (1).

2. The electrical automation test bench according to claim 1, characterized in that: A sleeve (3065) is fixedly connected to the meshing gear (3064), and a shaft (3066) is inserted into the sleeve (3065). The rotation test electrical component is snapped onto the shaft (3066).

3. The electrical automation test bench according to claim 2, characterized in that: The test stand (1) is provided with a test station (305). A pressure rod (3068) is rotatably connected to the test stand (1). A push rod (3069) is provided on the right side of the pressure rod (3068). The right end of the push rod (3069) is connected to the toothed sleeve (3061).

4. The electrical automation test bench according to claim 3, characterized in that: The elastic element is provided in two sets, and the connecting sleeve (3076) on the elastic element behind the stand (1) is connected to the surface of the locking pin (3077), and the detection station (305) is provided with a pin (3078) corresponding to the locking pin (3077).

5. An electrical automation test bench according to claim 4, characterized in that: It also includes a vibration test piece (308), which includes a power rod (3081). The right end of the power rod (3081) is rotatably connected to a crossbar (209). A tapered key (3083) is provided on the power rod (3081). A contact plate (3084) is slidably connected to the power rod (3081). A vibrating plate (3082) is fixedly connected to the contact plate (3084). The vibrating plate (3082) slides up and down on the testing station (305). The bottom of the vibrating plate (3082) is elastically connected to the frame (1) through a vibrating spring (3085).

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