Electric valve actuator production detection equipment

Abstract

The utility model discloses electric valve actuator production detection equipment, and particularly relates to the technical field of electric valve actuators, which comprises a working table, a support frame fixedly arranged at the top of the working table, an electric box fixedly arranged at the top of the support frame, and a fixing mechanism fixedly arranged at the top of the working table. The fixing mechanism comprises a clamping frame fixedly arranged at the top of the workbench, the clamping frame is arranged on one side of the electric box, the cross section of the clamping frame is arranged to be in an L shape, a fixing plate is fixedly arranged on one side of the clamping frame, a threaded rod is in threaded connection with the interior of the fixing plate, and a clamping plate is rotationally arranged at one end of the threaded rod. The electric valve actuator fixing device has a good fixing effect, the threaded rod drives the clamping plate to be matched with the clamping frame, the electric valve actuator can be stably clamped to prevent the electric valve actuator from shaking and displacing in the detection process, the detection accuracy is guaranteed, meanwhile, the fixing requirements of electric valve actuators of different specifications and sizes can be conveniently met, and the universality of the device is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric valve actuator technical field, more specifically, the utility model relates to electric valve actuator production detection equipment. BACKGROUND

[0002] With the development of industry, the electric actuator of electric valve gradually appears in the important position in the control execution in industrial field, especially is widely used in metallurgy, chemical industry, petrochemical, electric power and other fields, and the electric valve actuator is the actuator for switching action of the valve, and the actuator mainly controls the rotation of the motor under the action of the controller to drive the mechanical transmission part to transmit torque and displacement, so as to realize the opening and closing action of the electric valve;

[0003] At present, in the production process of electric valve actuator, detection equipment is needed to detect the electric valve actuator, the existing electric valve actuator controller can realize the control of simple actions such as valve opening and closing, and if the detection is not carried out during production, the valve opening and closing switching may not be sensitive during use, which affects the subsequent use of the electric valve actuator.

[0004] Through the retrieval, the authorized announcement No. CN220795371U of Chinese patent discloses a kind of electric valve actuator production detection equipment, the structure is provided with manual automatic switching button, with two functions of manual and automatic, manual can be used for debugging, automatic is used for simulation check, switching manual mode, the opening and closing of electric valve actuator can be controlled, stop, for setting, the positioning of electric valve actuator can be carried out, after manual adjustment, switching automatic mode, the opening and closing of electric valve actuator actual state can be simulated, switch time can be set in advance by cycle timer, by the setting of counter, switch times can be calculated, i.e.

[0005] But the structure in actual use, directly place electric valve actuator on desktop, and when electric valve actuator works during detection, electric valve actuator displacement can cause detection error, and further affect the accuracy of detection data. Utility model content

[0006] In order to overcome the above-mentioned defects of prior art, the utility model provides electric valve actuator production detection equipment to solve the problems in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] Electric valve actuator production detection equipment, including workbench, the top of the workbench is fixedly provided with support frame, the top of the support frame is fixedly provided with electric box, the top of the workbench is fixedly provided with fixed mechanism;

[0009] The fixing mechanism comprises a clamping frame fixedly arranged on the top of the workbench, the clamping frame is arranged on one side of the electric box, the cross section of the clamping frame is arranged in an L shape, one side of the clamping frame is fixedly provided with a fixed plate, the inside of the fixed plate is threadedly connected with a threaded rod, one end of the threaded rod is rotatably provided with a clamping plate, the clamping plate and one side of the clamping frame are both fixedly provided with a rubber layer, and the surface of the clamping frame is provided with a sliding groove, and the inside of the sliding groove is slidably provided with a sliding block, and the top of the sliding block is connected with the bottom of the clamping plate.

[0010] By adopting the above technical scheme: good fixing effect is achieved, the clamping plate is driven by the threaded rod to cooperate with the clamping frame, which can not only stably clamp the electric valve actuator to prevent it from shaking and moving during detection, thereby ensuring the detection accuracy, but also can avoid damaging the surface of the actuator, and conveniently adapt to the fixing requirements of electric valve actuators of different specifications and sizes, thereby enhancing the universality of the equipment.

[0011] As a further description of the above technical scheme: the inside of the clamping frame is provided with an electric valve actuator, the inside of the electric valve actuator is provided with a detection mechanism, the detection mechanism comprises a torque sensor fixedly arranged on the output shaft of the electric valve actuator, the output shaft of the electric valve actuator is fixedly provided with a valve leaf outside, one side of the valve leaf is fixedly provided with a travel limit switch, one side of the electric valve actuator is fixedly provided with a first light shield and a second light shield, the first light shield is arranged on one side of the second light shield, and the first light shield and the second light shield are both matched with the travel limit switch.

[0012] By adopting the above technical scheme: the key performance can be accurately detected, the torque sensor can monitor the torque of the output shaft of the electric valve actuator in real time, and the travel limit switch matched with the light shield can accurately judge the travel state of the opening and closing of the valve leaf, thereby providing accurate data support for evaluating the performance of the actuator.

[0013] As a further description of the above technical scheme: the surface of the electric box is embedded with a counter, one side of the counter is fixedly provided with a cycle timer, one side of the cycle timer is fixedly provided with a button, the surface of the electric box is embedded with a plurality of interfaces, the inside of the electric box is fixedly provided with a microprocessor, a storage module, a display module and an alarm module, one side of the microprocessor is embedded with a slot, the bottom of the workbench is fixedly provided with a plurality of supporting legs, and the bottom of each of the plurality of supporting legs is fixedly provided with an anti-skid plate.

[0014] By adopting the above technical scheme: convenient for detection management and statistics, the counter can accurately record the number of detected electric valve actuators, the cycle timer can control the detection period as needed, the overall detection progress and rhythm are conveniently controlled, the management efficiency is improved, and the multiple interfaces facilitate the expansion of functions of external devices, the supporting legs are matched with the anti-skid plates to stably place the workbench, and the detection work is efficiently carried out.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] 1. Compared with the prior art, the L-shaped structure of the clamping frame can limit and preliminarily position the electric valve actuator, the flexible clamping operation on different specifications of electric valve actuators can be realized by cooperating with the threaded rod and the clamping plate, the sliding block and the sliding groove effectively play a guiding effect, the accuracy and reliability of detection are improved, different specifications and models of electric valve actuators can be adapted, the rubber layer on the clamping plate and the clamping frame not only increases the friction force, ensures clamping stability, prevents the actuator from being easily displaced during the detection process and affecting the detection accuracy, but also protects the surface of the actuator, avoids scratches and other damages, prolongs the service life, the position is accurate and will not shake, and the detection accuracy is affected;

[0017] 2. Compared with the prior art, by setting torque sensors and travel limit switch detection elements at key positions, the torque size and travel state core parameters of the electric valve actuator during operation can be obtained in real time and accurately. The microprocessor compares and analyzes according to the preset standard, effectively ensures the accuracy of the detection result, quickly judges whether the product is qualified or not, improves the overall detection efficiency, helps to ensure the quality of products leaving the factory, and can conveniently operate the counter and the cycle timer. Whether it is the initial detection parameter setting or the adjustment under different detection requirements later, it is easy to start, convenient for flexible detection work according to the actual production situation, the display module can not only give clear pass information when the detection is qualified, but also can specifically show which parameter has a problem when the detection is unqualified, and the sound and light alarm can timely attract the attention of the operator, so that the unqualified products can be timely investigated and improved measures can be taken. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model.

[0019] Figure 2 It is a detail structure schematic view of the fixing mechanism of the utility model.

[0020] Figure 3 It is a structure schematic view of the fixing mechanism of the utility model.

[0021] Figure 4 It is a structure schematic view of the detection mechanism of the utility model.

[0022] Figure 5 This is a schematic diagram of the overall rear cross-sectional structure of this utility model.

[0023] Figure 6 This is a schematic diagram of the overall structure of this utility model.

[0024] The attached diagram is labeled as follows: 1. Workbench; 2. Support frame; 3. Electrical box; 4. Clamping frame; 5. Fixing plate; 6. Threaded rod; 7. Clamping plate; 8. Rubber layer; 9. Slider; 10. Electric valve actuator; 11. Torque sensor; 12. Valve leaf; 13. Travel limit switch; 14. First light shield; 15. Second light shield; 16. Counter; 17. Cyclic timer; 18. Interface; 19. Microprocessor; 20. Storage module; 21. Display module; 22. Alarm module; 23. Slot; 24. Support leg; 25. Anti-slip plate. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] The embodiments disclosed in this application are as follows: Figures 1-6 The electric valve actuator production and testing equipment shown includes a workbench 1, a support frame 2 fixedly installed on the top of the workbench 1, an electrical box 3 fixedly installed on the top of the support frame 2, and a fixing mechanism fixedly installed on the top of the workbench 1.

[0027] The fixing mechanism comprises a clamping frame 4 fixedly arranged on the top of the workbench 1, the clamping frame 4 is arranged on one side of the electric box 3, the cross section of the clamping frame 4 is arranged in an L shape, one side of the clamping frame 4 is fixedly provided with a fixed plate 5, the inside of the fixed plate 5 is threadedly connected with a threaded rod 6, one end of the threaded rod 6 is rotatably provided with a clamping plate 7, the clamping plate 7 and the one side of the clamping frame 4 are both fixedly provided with a rubber layer 8, the surface of the clamping frame 4 is provided with a sliding groove, the inside of the sliding groove is slidably provided with a sliding block 9, the top of the sliding block 9 is connected with the bottom of the clamping plate 7, the electric valve actuator 10 to be detected is placed in the clamping frame 4, the cross section of the clamping frame 4 is in an L shape, and the electric valve actuator 10 can be limited and preliminarily positioned, then the threaded rod 6 is rotated, since the threaded rod 6 is threadedly connected with the fixed plate 5, in the rotating process, the threaded rod 6 moves along the axial direction thereof, pushes the clamping plate 7 rotatably connected therewith to move towards the other side of the clamping frame 4, and under the guiding action of the sliding block 9 sliding along the surface sliding groove of the clamping frame 4, the clamping plate 7 can stably approach the clamping frame 4, so that the electric valve actuator 10 is clamped by the clamping plate 7 and the rubber layer 8 fixedly arranged on the one side of the clamping frame 4, the rubber layer 8 can increase the friction force, ensure the stability of clamping, and prevent the surface of the electric valve actuator 10 from being damaged.

[0028] Referring to Figures 2-3 As shown in the figure, the inside of the clamping frame 4 is provided with the electric valve actuator 10, the inside of the electric valve actuator 10 is provided with a detection mechanism, the detection mechanism comprises a torque sensor 11 fixedly arranged on the output shaft of the electric valve actuator 10, the outside of the output shaft of the electric valve actuator 10 is fixedly provided with a valve leaf 12, one side of the valve leaf 12 is fixedly provided with a travel limit switch 13, one side of the electric valve actuator 10 is fixedly provided with a first light shield 14 and a second light shield 15, the first light shield 14 is arranged on one side of the second light shield 15, the first light shield 14 and the second light shield 15 are both matched with the travel limit switch 13, the operator sets various parameter standards required for this detection in the microprocessor 19 in the electric box 3 by opening the button on the surface of the electric box 3, such as the qualified range of torque and the limit value of travel, the setting values are stored in the storage module 20 for subsequent detection comparison, at the same time, the counter 16 can be initialized, such as zero setting, and the timing length of the cycle timer 17 is set, so as to count the detection times and control the detection period;

[0029] The electric valve actuator 10 is started to run, the output shaft drives the valve leaf 12 to rotate, and the torque sensor 11 fixedly arranged on the output shaft detects the torque generated in the rotating process of the output shaft in real time, and transmits the detected torque signal to the related circuit module in the electric box 3 for processing;

[0030] When the electric valve actuator 10 drives the valve leaf 12 to rotate, when the valve leaf 12 reaches the set stroke position, the stroke limit switch 13 installed on one side of the valve leaf 12 interacts with the first light barrier 14 and the second light barrier 15 fixed on one side of the electric valve actuator 10, the first light barrier 14 and the second light barrier 15 will block the light, change the state of the stroke limit switch 13, wherein the stroke limit switch 13 is a non-contact photoelectric limit switch, when the valve leaf 12 is opened to the maximum stroke position, the corresponding first light barrier 14 will trigger the stroke limit switch 13, and a corresponding electric signal change is generated, when the valve leaf 12 is completely closed, the corresponding second light barrier 15 will trigger the stroke limit switch 13, and a corresponding electric signal change is generated, so as to judge whether the valve opening and closing stroke of the electric valve actuator 10 reaches the preset requirement.

[0031] Referring to Figures 4-6 As shown, the surface of the electric box 3 is embedded with a counter 16, one side of the counter 16 is fixedly provided with a cycle timer 17, one side of the cycle timer 17 is fixedly provided with a button, the surface of the electric box 3 is embedded with a plurality of interfaces 18, the inside of the electric box 3 is fixedly provided with a microprocessor 19, a storage module 20, a display module 21 and an alarm module 22, one side of the microprocessor 19 is embedded with a slot 23, the bottom of the workbench 1 is fixedly provided with a plurality of supporting legs 24, the bottom of the plurality of supporting legs 24 is fixedly provided with an anti-skid plate 25, the analog torque signal transmitted by the torque sensor 11 and the stroke state signal generated by the stroke limit switch 13 are first sent to the corresponding circuit module inside the electric box 3 for processing, after the microprocessor 19 receives the converted digital signal, the torque and stroke data are analyzed and compared according to the qualified parameter range stored in the storage module 20 in advance, whether the range is exceeded is judged, and whether the time, sequence and the like triggered by the stroke limit switch 13 meet the preset valve opening and closing stroke logic.

[0032] If all the detected parameters are within the qualified range, the display module 21 will display the corresponding detection pass information, prompting that the detection of the electric valve actuator 10 is qualified, if any parameter is detected to be out of the qualified range, the microprocessor 19 will control the alarm module 22 to issue an audible and visual alarm signal, prompting the operator that the detection of the electric valve actuator 10 is unqualified, at the same time, the display module 21 will also display the related information that which parameter is unqualified in detail, and the counter 16 will count the detection, so as to facilitate the statistics of the number of detected electric valve actuators.

[0033] Principle of the utility model:

[0034] The utility model discloses an electric valve actuator production detection equipment, when using, the device is placed in the suitable work site, through the multiple support leg 24 of bottom ensures that the equipment is placed stably, the antiskid board 25 of support leg 24 bottom can prevent the equipment from sliding in the running process, through the multiple interface 18 of embedding setting of electric box 3 surface, the plug of electric valve actuator 19 one side is inserted into interface 18 and carries out electric connection with electric box 3, and is connected with external power supply, ensures that the equipment can normally acquire power supply and carries out data transmission operation,

[0035] Then the electric valve actuator 10 to be detected is placed in the clamping frame 4, the clamping frame 4 cross section is L-shaped, can play certain limit and primary positioning effect to electric valve actuator 10, then rotates screw rod 6, because screw rod 6 and fixed plate 5 are screw connection, in the rotation process, screw rod 6 will move along its axial direction, and the clamping plate 7 rotationally connected with it is moved to the other side of clamping frame 4, and under the guiding effect of sliding block 9 along the surface sliding groove of clamping frame 4, clamping plate 7 can stably approach clamping frame 4, so that the rubber layer 8 fixedly arranged on one side of clamping plate 7 and clamping frame 4 clamps electric valve actuator 10, rubber layer 8 can increase friction, guarantee the stability of clamping, and can prevent the damage to the surface of electric valve actuator 10;

[0036] The operator sets the various parameter standards required for this detection, such as the qualified range of torque and the limit value of stroke, in the microprocessor 19 inside the electric box 3 by opening the button on the surface of the electric box 3, and these set values will be stored in the storage module 20 for subsequent detection comparison, at the same time, the counter 16 can also be zeroed and initialized, and the timing duration of the cycle timer 17 is set, so as to count the detection times and control the detection period.

[0037] The electric valve actuator 10 starts to work, and the output shaft drives the valve leaf 12 to rotate, and the torque sensor 11 fixed on the output shaft detects the torque generated during the rotation of the output shaft in real time, and transmits the detected torque signal to the relevant circuit module inside the electric box 3 for processing.

[0038] When the electric valve actuator 10 drives the valve leaf 12 to rotate, when the valve leaf 12 reaches the set stroke position, the stroke limit switch 13 installed on one side of the valve leaf 12 interacts with the first light barrier 14 and the second light barrier 15 fixed on one side of the electric valve actuator 10, the first light barrier 14 and the second light barrier 15 will block the light, change the state of the stroke limit switch 13, wherein the stroke limit switch 13 is a non-contact photoelectric limit switch, when the valve leaf 12 is opened to the maximum stroke position, the corresponding first light barrier 14 will trigger the stroke limit switch 13, and a corresponding electrical signal change is generated, when the valve leaf 12 is completely closed, the corresponding second light barrier 15 will trigger the stroke limit switch 13, and a corresponding electrical signal change is generated, so as to determine whether the opening and closing stroke of the electric valve actuator 10 reaches the preset requirement.

[0039] The analog torque signal transmitted by the torque sensor 11 and the stroke state signal generated by the stroke limit switch 13 are first sent to the microprocessor 19 in the electric box 3 for processing, after the microprocessor 19 receives the converted digital signal, the torque and stroke data are analyzed and compared according to the qualified parameter range stored in the storage module 20, whether it exceeds the range is judged, whether the time and sequence of the stroke limit switch 13 triggering meet the preset valve opening and closing stroke logic is checked.

[0040] If all the detected parameters are within the qualified range, the display module 21 will display the corresponding detection pass information, prompting that the electric valve actuator 10 passes the detection, if any parameter is detected to be out of the qualified range, the microprocessor 19 will control the alarm module 22 to issue an audible and visual alarm signal, prompting the operator that the electric valve actuator 10 fails the detection, at the same time, the display module 21 will also display detailed information about which parameter is unqualified, and the counter 16 will count the current detection, so as to facilitate the statistics of the number of electric valve actuators that have been detected.

[0041] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. An electric valve actuator production testing apparatus comprising a worktable (1), characterized in that: The top of the workbench (1) is fixedly provided with a support frame (2), the top of the support frame (2) is fixedly provided with an electric box (3), and the top of the workbench (1) is fixedly provided with a fixing mechanism. The fixing mechanism comprises a clamping frame (4) fixedly arranged on the top of the workbench (1), the clamping frame (4) is arranged on one side of the electric box (3), the cross section of the clamping frame (4) is L-shaped, one side of the clamping frame (4) is fixedly provided with a fixed plate (5), the inside of the fixed plate (5) is threadedly connected with a threaded rod (6), one end of the threaded rod (6) is rotatably provided with a clamping plate (7), the clamping plate (7) and one side of the clamping frame (4) are both fixedly provided with a rubber layer (8), and the surface of the clamping frame (4) is provided with a sliding groove, the inside of the sliding groove is slidably provided with a sliding block (9), and the top of the sliding block (9) is connected with the bottom of the clamping plate (7).

2. The electric valve positioner production test apparatus of claim 1, wherein: The inside of the clamping frame (4) is provided with an electric valve actuator (10), the inside of the electric valve actuator (10) is provided with a detection mechanism, the detection mechanism comprises a torque sensor (11) fixedly arranged on the output shaft of the electric valve actuator (10), and the output shaft of the electric valve actuator (10) is fixedly provided with a valve leaf (12) outside.

3. The electric valve positioner production test apparatus of claim 2, wherein: One side of the valve leaf (12) is fixedly provided with a stroke limit switch (13), one side of the electric valve actuator (10) is fixedly provided with a first light shield (14) and a second light shield (15), the first light shield (14) is arranged on one side of the second light shield (15), and the first light shield (14) and the second light shield (15) are both matched with the stroke limit switch (13).

4. The electric valve positioner production test apparatus of claim 1, wherein: The surface of the electric box (3) is embedded with a counter (16), one side of the counter (16) is fixedly provided with a cycle timer (17), one side of the cycle timer (17) is fixedly provided with a button, and the surface of the electric box (3) is embedded with a plurality of interfaces (18).

5. The electric valve positioner production test apparatus of claim 1, wherein: The inside of the electric box (3) is fixedly provided with a microprocessor (19), a storage module (20), a display module (21) and an alarm module (22), and the microprocessor (19) is embedded with a slot (23) on one side.

6. The electric valve positioner production test apparatus of claim 1, wherein: The bottom of the workbench (1) is fixedly provided with a plurality of supporting legs (24), and the bottom of each supporting leg (24) is fixedly provided with an anti-skid plate (25).

Images