CN217716723U - Electric force measuring table for electromagnetic valve pulser - Google Patents

Abstract

The application discloses electronic dynamometry platform of solenoid valve pulser to solve the problem that the solenoid valve pulser dynamometry support that prior art exists wastes time and energy, operating efficiency is low and the measuring accuracy is low. The application includes: the upper surface of the force measuring table is provided with an actuating mechanism, the actuating mechanism is respectively connected with a direct-current power supply and an electric control system, the actuating mechanism detects the initial force and the holding force of the electromagnetic valve pulser, the direct-current power supply provides direct-current voltage and current for the actuating mechanism, and the electric control system controls the actuating mechanism; the structure is simple, the independent modular design is adopted, the assembly is convenient, the disassembly and the storage are convenient, and the application is suitable for a plurality of occasions; meanwhile, the manual weight carrying is saved, the labor intensity is reduced, the test result is accurate, the operation is simple, and the operation efficiency and the test precision are improved; the electromagnetic valve pulser is used for detecting the electric force measuring table of the electromagnetic valve pulser in the assembling process, unqualified products can be found in time, and rework time is saved.

Description

Electric force measuring table for electromagnetic valve pulser

Technical Field

The application relates to the technical field of electric tool inspection, in particular to an electric force measuring platform of an electromagnetic valve pulser.

Background

With the increasing difficulty of oil and gas exploration and development, the application proportion of the rotary steering drilling instrument is larger and larger. The electromagnetic valve pulser is one of important parts in a rotary steering drilling instrument, the performance of the electromagnetic valve pulser is directly related to the transmission of pulse signals during operation, the electromagnetic valve pulser realizes the cutting and communication of mud flow through continuous rising and falling, and in order to realize the function, the electromagnetic valve pulser needs to provide initial force and holding force with certain magnitude. The performance of each component must be closely checked before the entire rig is installed, and the check of the initial and holding forces of the solenoid pulsers is critical.

At present, when testing initial power and holding power to the solenoid valve pulser, adopt simple dynamometry support usually, put the support bottom with the solenoid valve pulser, it is inside that the above stretches into the solenoid valve pulser through a pole, artifical manual place the weight in the support upper end again, and when placing the weight, need very carefully, if place not uneven or not control good dynamics, all can lead to the test failure, this structure is wasted time and energy, the operating efficiency is low, the measuring accuracy is low. If the initial force and the holding force of the electromagnetic valve pulser are insufficient, the electromagnetic valve pulser cannot send out pulse signals, and therefore the working efficiency is reduced. Some electronic instrument test tables are available, but the test precision of the electronic instrument test tables is low.

SUMMERY OF THE UTILITY MODEL

Therefore, the application provides an electric force measuring platform of an electromagnetic valve pulser to solve the problems that a force measuring support of the electromagnetic valve pulser in the prior art wastes time and energy, the operation efficiency is low and the test precision is low.

In order to achieve the above purpose, the present application provides the following technical solutions:

an electric force measuring table of an electromagnetic valve pulser is characterized by comprising: the electromagnetic valve pulser comprises a force measuring table, wherein an executing mechanism and an electric control system are arranged on the upper surface of the force measuring table, the executing mechanism is used for detecting the initial force and the holding force of the electromagnetic valve pulser and is respectively connected with a direct current power supply and the electric control system, the direct current power supply provides direct current voltage and current for the executing mechanism, and the electric control system controls the executing mechanism.

Optionally, the executing mechanism comprises a testing frame and a servo electric cylinder located above the testing frame, and the electric control system is connected with the servo electric cylinder and controls the servo electric cylinder; the space in the test frame is marked as a test space, and the test space is used for placing the electromagnetic valve pulser;

a first weight and a second weight which is positioned above the first weight are arranged between the test frame and the servo electric cylinder, the first weight is used for testing the initial force of the electromagnetic valve pulser, and the first weight and the second weight jointly test the holding force of the electromagnetic valve pulser; the first weight is arranged at the upper end of the testing frame, the first weight is connected with the electromagnetic valve pulser through a linear shaft and a detection rod which are sequentially arranged from top to bottom, the upper part of the linear shaft extends into the first weight, and the first weight and the detection rod can move up and down along with the linear shaft; a gap exists between the second weight and the first weight, and the servo electric cylinder is used for controlling the second weight to ascend or descend.

Optionally, the test frame comprises a first bottom plate, a top plate and four first upright posts, and the four first upright posts are respectively and vertically connected with the first bottom plate and the top plate; the first weight is arranged on the upper surface of the top plate and connected with the top plate through the linear shaft;

the bottom of servo electricity jar is provided with the electricity jar mounting panel, just the electricity jar mounting panel pass through the guide pillar with roof fixed connection, the guide pillar runs through in proper order first weight, second weight, and first weight, second weight and guide pillar can reciprocate relatively.

Optionally, the electronic control system includes a controller, and the controller is connected with the servo electric cylinder and controls the servo electric cylinder to ascend and descend.

Optionally, a lifting barrel and a lifting barrel nut are arranged between the electric cylinder mounting plate and the second weight, the lifting barrel is fixedly connected with the second weight, the lower part of the lifting barrel nut is arranged inside the lifting barrel, and the upper part of the lifting barrel nut is connected with the bottom of the servo electric cylinder; the bottom of the servo electric cylinder is positioned inside the barrel nut and is connected with the barrel nut in a threaded mode.

Optionally, a linear bearing is embedded in the second weight, and the linear bearing is matched with the guide post to guide the lifting of the second weight; the inspection rod is connected with the bottom end of the linear shaft, and the lower part of the inspection rod extends into the upper part of the electromagnetic valve pulser and is connected with the electromagnetic valve pulser.

Optionally, two handles are symmetrically arranged on the second weight to ensure that the second weight generates uniform gravity.

Optionally, a test seat is placed on the upper surface of the first bottom plate, the test seat comprises a base, a low-voltage female slip ring is arranged in the base, and the low-voltage female slip ring is tightly connected with the electromagnetic valve pulser in a matched manner; and the positive electrode and the negative electrode of the direct current power supply are connected with the low-voltage female slip ring.

Optionally, a second bottom plate is arranged between the first bottom plate and the top plate, the upper surface of the second bottom plate is connected with the bottom ends of the four first columns, the lower surface of the second bottom plate is connected with the first bottom plate through the four second columns, and the four second columns are arranged under the four first columns in a one-to-one correspondence manner.

Optionally, a linear bearing flange is arranged inside the first weight, an inner hole is formed in the linear bearing flange, the upper portion of the linear shaft is located in the inner hole, and the linear shaft can slide up and down in the inner hole and move vertically.

Compared with the prior art, the method has the following beneficial effects:

1. the application provides an electric force measuring platform of an electromagnetic valve pulser, which comprises a force measuring platform, wherein an executing mechanism is arranged on the upper surface of the force measuring platform, the executing mechanism is used for detecting the initial force and the holding force of the electromagnetic valve pulser and is respectively connected with a direct current power supply and an electric control system, the direct current power supply provides direct current voltage and current for the executing mechanism, and the electric control system controls the executing mechanism; the device has the advantages of simple structure, small volume, light weight, convenient assembly, convenient disassembly and storage and multiple application occasions, and the execution mechanism, the direct-current power supply and the control system adopt independent modular design; meanwhile, the manual weight carrying is saved, the labor intensity is reduced, the test result is accurate, the operation is simple, the test result is visual and the judgment is quick, and the operation efficiency and the test precision are improved; the electromagnetic valve pulser can be used for detecting by using the electromagnetic valve pulser electric force measuring table in the assembling process, unqualified products can be found in time, the rework time is saved, and the reason of the problem is more conveniently found; the detection of electromagnetic valve pulsers of various different models can be completed, and the use cost of users is saved.

2. This application utilizes displacement sensor location stroke simultaneously through servo motor's setting, control stroke that can be accurate for the second weight operates steadily during the test, has improved the accuracy of test.

3. The linear shaft is matched with the linear bearing flange for use, so that the first weight is guaranteed to vertically lift, the first weight cannot deviate or shake during initial force testing, and the accuracy of an initial force detection result is improved; the inside linear bearing that is provided with of guide pillar, guide pillar and linear bearing cooperation for the second weight operates steadily, guarantees second weight vertical lift, can not take place the skew when the holding power test, rocks, has improved the accuracy of holding power testing result.

4. This application comes inspection solenoid valve pulser through the gravity of first weight and second weight, and it is more accurate to detect the structure, and the error is little.

5. According to the method, the lifting barrel and the lifting barrel nut are designed in a cross structure, and a plane combination mode is adopted, so that the levelness of the first weight and the second weight is effectively guaranteed, the cross structure reduces the processing and mounting precision, but the testing precision can be guaranteed; simultaneously, there is certain degree of depth size inside the pail for there is the determining deviation in pail nut bottom and the upper surface of second weight, and when the second weight dropped to the test position, servo electric jar and pail nut can continue to stretch out the certain distance downwards, guarantees that the test structure of solenoid valve pulser does not receive the harm, has also improved the accuracy of holding power test.

6. This application adopts the symmetry to install two handles on the second weight, conveniently disassembles and carries the second weight, and is more laborsaving, and the security is also high.

7. The bottom end of the linear shaft is provided with the detection rod, when the initial force is tested, the detection rod is used for transmitting the force between the electromagnetic valve pulser and the first weight, and the detection rod is matched with the electromagnetic valve pulser to ensure that the force generated by the electromagnetic valve pulser is transmitted to the first weight through the detection rod, so that the first weight is lifted up and lowered down; meanwhile, when the holding force is tested, the check rod also plays a role in transferring force, and the resultant force of the first weight and the second weight is transferred to the electromagnetic valve pulser through the linear shaft and the check rod.

Drawings

To more intuitively illustrate the prior art and the present application, several exemplary drawings are given below. It should be understood that the specific shapes, configurations and illustrations in the drawings are not to be construed as limiting, in general, the practice of the present application; for example, it is within the ability of those skilled in the art to make routine adjustments or further optimizations based on the technical concepts disclosed in the present application and the exemplary drawings, for the increase/decrease/attribution of certain units (components), specific shapes, positional relationships, connection manners, dimensional ratios, and the like.

FIG. 1 is a schematic structural diagram provided in one embodiment of the present application;

FIG. 2 is a schematic diagram of an actuator according to an embodiment of the present application (with solenoid valve pulser);

FIG. 3 is a schematic top view of an actuator according to an embodiment of the present application (without a solenoid pulser);

FIG. 4 is a schematic diagram of an actuator according to an embodiment of the present application (without a solenoid pulser);

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a cross-sectional view of the upper half of FIG. 4;

FIG. 7 is a cross-sectional view of the lower half of FIG. 4;

FIG. 8 is a schematic structural and exploded view of the first weight, the linear shaft and the linear bearing flange of FIG. 4;

FIG. 9 is a cross-sectional view and an exploded view of the test socket of FIG. 4;

FIG. 10 is a schematic view of the mating structure of the pail and pail nut of FIG. 4;

fig. 11 is a schematic structural view of the second weight of fig. 4.

Description of reference numerals:

1. a force measuring platform; 2. an electronic control system; 201. a display screen; 202. an operation button; 3. an actuator; 301. a test frame; 3011. a first base plate; 3012. a top plate; 3013. a first upright post; 3014. a second base plate; 3015. a second upright post; 302. a servo electric cylinder; 303. an electric cylinder mounting plate; 304. a linear shaft; 305. a first weight; 306. a second weight; 3061. a handle; 307. a guide post; 308. lifting the barrel; 309. a barrel nut; 310. a linear bearing; 311. a linear bearing flange; 312. detecting a rod; 313. a test seat; 3131. a base; 3132. a low-voltage female slip ring; 4. a direct current power supply; 5. solenoid valve pulser.

Detailed Description

The present application will be described in further detail below with reference to specific embodiments thereof, with reference to the accompanying drawings.

In the description of the present application: "plurality" means two or more unless otherwise specified. The terms "first", "second", "third", and the like in this application are intended to distinguish one referenced item from another without having a special meaning in technical connotation (e.g., should not be construed as emphasizing a degree or order of importance, etc.). The terms "comprising," "including," "having," and the like, are intended to be inclusive and mean "not limited to" (some elements, components, materials, steps, etc.).

In the present application, terms such as "upper", "lower", "left", "right", "middle", and the like are generally used for easy visual understanding with reference to the drawings, and are not intended to absolutely limit the positional relationship in an actual product. Changes in these relative positional relationships are also considered to be within the scope of the present disclosure without departing from the technical concepts disclosed in the present disclosure.

In one embodiment of the present application, an electric force-measuring platform for a solenoid valve pulser, as shown in fig. 1-3, includes: the force measuring platform comprises a force measuring platform 1, wherein an executing mechanism 3 and an electric control system 2 are arranged on the upper surface of the force measuring platform 1, the executing mechanism 3 is used for detecting the initial force and the holding force of an electromagnetic valve pulser 5 and is respectively connected with a direct current power supply 4 and the electric control system 2, the direct current power supply 4 provides direct current voltage and current for the executing mechanism 3, and the electric control system 2 controls the executing mechanism 3.

Preferably, as shown in fig. 4-7, the actuator 3 includes a test frame 301 and a servo electric cylinder 302 located above the test frame 301, and the electronic control system 2 is connected to the servo electric cylinder 302 and controls the servo electric cylinder 302; the space in the test frame 301 is marked as a test space, and the test space is used for placing the electromagnetic valve pulser 5 and testing the electromagnetic valve pulser 5;

a first weight 305 and a second weight 306 positioned above the first weight 305 are arranged between the test frame 301 and the servo electric cylinder 302, the first weight 305 tests the initial force of the electromagnetic valve pulser 5, and the first weight 305 and the second weight 306 jointly test the holding force of the electromagnetic valve pulser 5; the first weight 305 is arranged at the upper end of the testing frame 301, as shown in fig. 8, the first weight 305 is connected with the electromagnetic valve pulser 5 through a linear shaft 304 and a check rod 312 which are sequentially arranged from top to bottom, the upper part of the linear shaft 304 extends into the first weight 305, the check rod 312 extends into the electromagnetic valve pulser 5, and the first weight 305 and the check rod 312 can move up and down along with the linear shaft 304; as shown in fig. 5 and 6, a gap is formed between the second weight 306 and the first weight 305, and the servo cylinder 302 is used to control the second weight 306 to ascend or descend.

Further preferably, the servo electric cylinder 302 is provided with a displacement sensor, the stroke is positioned by the displacement sensor, the stroke can be accurately controlled, the phenomenon of overrun protection and overstroke prevention is achieved, the test requirement is met, the servo electric cylinder 302 operates stably, and excessive impact force cannot be generated when the second weight 306 descends, so that the test is inaccurate.

Preferably, the first weight 305 is 28N, and its cross section is circular; the second weight 306 is 230N, the cross section of the second weight is circular, and the weight and the shape of the first weight 305 and the second weight 306 are adjusted according to actual conditions.

The initial force and the holding force of the electromagnetic valve pulser 5 have corresponding standard requirements, and the mass of the first weight 305 and the second weight 306 can be selected according to different standards. In the actual design, the mass and the specific shape of the first weight 305 and the second weight 306 need to be considered, so that the test requirements are met, the installation is simple, and the test result can be accurately reflected.

During testing, the electromagnetic valve pulser 5 can smoothly jack up the first weight 305 under rated voltage and current; when the power is off, the electromagnetic pulser automatically falls down to smoothly complete the action, so that the test is qualified, the test result is visual, and the judgment is convenient and fast; when the test is carried out, the electromagnetic valve pulser 5 can jack up the first weight 305 smoothly under rated voltage and current, then the magnitude of the current is adjusted according to requirements, the second weight 306 is superposed on the first weight 305, if the first weight 305 and the second weight 306 do not fall down, the holding power is qualified, otherwise, the holding power is unqualified, the test result is visual, and the judgment is convenient.

Preferably, as shown in fig. 1, the electronic control system 2 includes a controller, a display screen 201 and an operation button 202, the controller is a PLC controller, which is the core of the whole electronic control system 2, and sends different commands through signal acquisition and logical relationship to control the servo cylinder 302 and the operation button 202, so that the test becomes simple and easy; the controller is connected with the servo electric cylinder 302 and controls the servo electric cylinder 302 to ascend and descend so as to complete the test of the electromagnetic valve pulser 5; the operation buttons 202 include a detection button, a power button, and an emergency stop button; the display screen 201 is a touch screen and is electrically connected with the controller, and design parameters (including the stroke and the running speed of the servo electric cylinder 302) can be reset through the display screen 201, and touch screen operation detection can be carried out.

Preferably, the test frame 301 includes a first bottom plate 3011, a top plate 3012 and four first columns 3013, the four first columns 3013 are respectively connected to the first bottom plate 3011 and the top plate 3012 vertically, the four first columns 3013, the first bottom plate 3011 and the top plate 3012 form a firm frame, stability of the execution mechanism 3 is maintained, height of the columns meets test requirements of the electromagnetic valve pulser 5 in an assembling process, and the four columns have higher verticality, so that the level of the top plate 3012 can be ensured, and measurement accuracy is more accurate; a first weight 305 is arranged on the upper surface of the top plate 3012, and the first weight 305 is connected with the top plate 3012 through a linear bearing flange 311;

the electric cylinder mounting plate 303 is arranged at the bottom of the servo electric cylinder 302, the electric cylinder mounting plate 303 is used for mounting the servo electric cylinder 302 to ensure the normal operation of the servo electric cylinder 302, the electric cylinder mounting plate 303, the top plate 3012 and the guide pillar 307 form a firm frame to provide reliable guarantee for the operation of the first weight 305 and the second weight 306, and the servo electric cylinder 302 is mounted on the electric cylinder mounting plate 303 to normally operate; electric jar mounting panel 303 passes through guide pillar 307 and roof 3012 fixed connection, guide pillar 307 smooth surface for support servo electric jar 302, and constitute a firm frame, for first weight 305, the operation of second weight 306 provides reliable assurance, guide pillar 307 runs through first weight 305, second weight 306 in proper order, guide pillar 307 cooperates with the inside hole of first weight 305 and the inside linear bearing 310 of second weight 306 respectively, to first weight 305, the lift of second weight 306 plays the guide effect.

It is further preferable that the top plate 3012 has sufficient strength to support all the weights (the first weight 305 and the second weight 306), the servo electric cylinder 302, the electric cylinder mounting plate 303, the lifting bucket 308, and other parts, and will not deform due to the instant falling of the first weight 305 and the second weight 306, and at the same time, the first weight 305 can be placed on the plane of the first weight 305, and the first weight 305 is ensured to be in a horizontal state.

Still further preferably, the number of the guide posts 307 is two, and the two guide posts 307 are symmetrically arranged, so that the first weight 305 and the second weight 306 can be prevented from rotating during operation, and the stable operation of the first weight 305 and the second weight 306 is ensured; the top plate 3012 is connected to the four first columns 3013 in a threaded manner; the top plate 3012 is square, but is not limited to square.

The length of the guide column 307 is determined according to the size of the first weight 305 and the second weight 306, the size of the lifting barrel 308, the stroke of the servo electric cylinder 302, the stroke of the electromagnetic valve pulser 5 and a reasonable gap, and the force measurement result is influenced when the length is too long or too short, so the machining precision is strictly controlled according to the tolerance requirement during machining.

Preferably, a test seat 313 is placed on the upper surface of the first bottom plate 3011, as shown in fig. 9, the test seat 313 includes a base 3131 and a low-pressure female slip ring 3132, the base 3131 may be made of a copper material, the low-pressure female slip ring 3132 is disposed in the base 3131, and the low-pressure female slip ring 3132 is tightly connected to the bottom of the electromagnetic valve pulser 5, so as to ensure that a coaxial pin at the bottom of the electromagnetic valve pulser 5 can be smoothly inserted into the low-pressure female slip ring 3132, and to ensure that the electromagnetic valve pulser can be quickly installed and detached without damaging the installation surface of the electromagnetic valve pulser 5; the positive and negative poles of the direct current power supply 4 are connected with the low-voltage female slip ring 3132, and the power supply provides rated voltage and current for the electromagnetic valve pulser 5 through the test seat 313.

Further preferably, the test seat 313 and the electromagnetic valve pulser 5 are placed on the upper plane of the first bottom plate 3011, so that the electromagnetic valve pulser 5 is ensured to be vertically placed, and the test can be accurately completed; the coaxial contact pin at the bottom of the electromagnetic valve pulser 5 can be smoothly inserted into the low-voltage female slip ring 3132, and the quick installation and disassembly can be guaranteed without damaging the installation surface of the electromagnetic valve pulser 5. The power supply provides rated voltage and current for solenoid pulser 5 testing through test socket 313.

Still further preferably, first bottom plate 3011 has sufficient intensity, can support whole actuating mechanism 3, and its bottom surface is level and smooth, and it is steady to fix when guaranteeing the test, and the area is little, can adapt to multiple operating mode, such as laboratory, workshop, well drilling scene.

Preferably, a second bottom plate 3014 is disposed between the first bottom plate 3011 and the top plate 3012, and the second bottom plate 3014 is located at a distance above the first bottom plate 3011, in order to satisfy the test of the solenoid valve pulser 5 during installation. If the test is unqualified, the reason can be immediately analyzed for rectification, so that the phenomenon that the whole installation is finished and the retest is finished is avoided, and once the unqualified condition occurs, the disassembly and the rectification are needed again, so that a large amount of manpower and material resources are wasted; the intermediate testing link is added, so that the time can be saved, and the product quality of the electromagnetic valve pulser 5 is improved.

Further preferably, as shown in fig. 4 and 5, the upper surface of the second bottom plate 3014 is connected to the bottom ends of four first columns 3013, the lower surface of the second bottom plate 3011 is connected to the first bottom plate 3011 through four second columns 3015, the four second columns 3015 are arranged under the four first columns 3013 in a one-to-one correspondence manner, the four second columns 3015 and the four first columns 3013 have the same function, the second columns 3015 have increased test space, the overall test after the installation of the electromagnetic valve pulser 5 can be performed, the second columns 3015 are easy and convenient to detach and install, and the height of the device can be adjusted according to actual requirements; the second bottom plate 3014 is opened with a U-shaped opening (labeled in the figure) as an entrance for placing the electromagnetic valve pulser 5.

Preferably, a linear bearing flange 311 is arranged inside the first weight 305, the linear bearing flange 311 is fixed on the top plate 3012, specifically, the linear bearing flange 311 is installed at the center of the top plate 3012 by a screw, and the linear shaft 304 moves up and down through the linear bearing flange 311; the linear bearing flange 311 is provided with an inner hole, the inner hole is matched with the linear shaft 304 to play a guiding role, the upper part of the linear shaft 304 is positioned in the inner hole, and the linear shaft 304 slides up and down in the inner hole to do vertical motion. The linear bearing flange 311 is arranged to ensure that the linear shaft 304 runs stably, is not clamped, does not shake or deflect, and the force transmitted by the first weight 305 vertically acts on the electromagnetic valve pulser 5.

As shown in fig. 8, the linear shaft 304 is a key part, which has sufficient strength and rigidity, and the gravity of the first weight 305 and the second weight 306 is transmitted to the solenoid valve pulser 5 through the linear shaft 304 to verify whether the initial force and the holding force are qualified; the linear shaft 304 can move up and down in the linear bearing flange 311 to realize the ascending and descending of the first weight 305; the linear shaft 304 has high linearity and a smooth surface, so that the second weight 306 can run stably up and down without deviation, the friction force of the smooth surface during running can be ignored, and the test result cannot be influenced by unstable running and friction force.

Preferably, as shown in fig. 5, 6 and 10, a pail 308 and a pail nut 309 are arranged between the electric cylinder mounting plate 303 and the second weight 306, the pail 308 is fixedly connected with the second weight 306, and the acting force generated by the servo electric cylinder 302 is transmitted to the second weight 306 through the pail 308, so that the second weight 306 can stably rise and fall; the lower part of the pail nut 309 is arranged inside the pail 308, and the upper part of the pail nut 309 is connected to the bottom of the servo cylinder 302.

Further preferably, the inside of the pail 308 has a certain depth dimension, so that when the pail nut 309 is located at the upper part of the pail 308, there is a certain distance between the bottom of the pail nut 309 and the upper surface of the second weight 306, and when the second weight 306 descends to the lowest point and reaches the testing position, the servo electric cylinder 302 and the pail nut 309 can continue to extend out a certain distance, so as to ensure that no force acts on the second weight 306 and the pail 308 by the servo electric cylinder 302, because once a force acts on the second weight 306 and the pail 308, the testing structure and the testing result of the solenoid valve pulser 5 are affected regardless of tension or pressure, and the accuracy of the testing holding force is increased;

as shown in fig. 10, the upper end face of the pail 308 is provided with a strip-shaped opening, the lower part of the pail nut 309 is perpendicular to the strip-shaped opening, because the pail 308 and the pail nut 309 are both fixed, no rotation occurs, the pail 308 and the pail nut 309 adopt a long hole cross mounting mode, two plane fits are adopted, radial fits are guaranteed, axial fits are not limited, the vertical movement of the servo electric cylinder 302 can be effectively guaranteed, the phenomenon of clamping stagnation caused by the processing precision and the mounting of parts can not occur, the use requirements are met, the processing precision and the mounting difficulty are reduced, and the cost is effectively controlled.

Still further preferably, the pail 308 is fixedly connected with the second weight 306 through a screw, the bottom of the servo electric cylinder 302 is located inside the pail nut 309 and is connected with the pail nut 309 through a threaded manner, and the servo electric cylinder 302 is positioned to prevent loosening.

Preferably, as shown in fig. 11, a linear bearing 310 is embedded in the second weight 306, the linear bearing 310 is matched with the guide pillar 307, and plays a role in guiding the lifting of the second weight 306, the smooth matching surface enables the second weight 306 to run stably and without clamping stagnation, the friction force generated between the guide pillar 307 and the linear bearing 310 can be ignored, the test result cannot be influenced, and the accuracy of the test of the force measuring table 1 is ensured.

Further preferably, the upper end of the check rod 312 is connected with the bottom end plane of the linear shaft 304, the lower part of the check rod 312 extends into the electromagnetic valve pulser 5 and is connected with the upper part of the electromagnetic valve pulser 5, the check rod 312 is used for transmitting force between the electromagnetic valve pulser 5 and the weight, and the check rod 312 is matched with the electromagnetic valve pulser 5 to ensure that the force generated by the electromagnetic valve pulser 5 is transmitted to the first weight 305 through the check rod 312 to realize the lifting and falling of the first weight 305.

Preferably, as shown in fig. 4 and 11, two handles 3061 are symmetrically installed on the second weight 306 to ensure that the second weight 306 generates uniform gravity; the handle 3061 is installed on the second weight 306 through the screw mode, and symmetrical arrangement on the second weight 306 guarantees that the second weight 306 produces even gravity, and the second weight 306 is of big quality, and dismantlement, the removal that can be convenient with handle 3061 are more laborsaving, the security is also more guaranteed.

When the embodiment is used, the switch of the direct current power supply 4 is turned on to provide voltage and current for the electromagnetic valve pulser 5; the electromagnetic valve pulser 5 jacks up the first weight 305 under rated voltage and current, then the direct-current power supply 4 is turned off, after the power is cut off, the electromagnetic valve pulser 5 automatically falls down, the action is smoothly completed, the initial force test of the electromagnetic valve pulser 5 is completed, and the test is qualified;

the direct current power supply 4 and the detection button of the electric control system 2 are turned on again to provide voltage and current for the electromagnetic valve pulser 5; the solenoid valve pulser 5 jacks up the first weight 305 under rated voltage and current, then adjusts the current according to the requirement, superposes the second weight 306 on the first weight 305 under the action of the servo electric cylinder 302, if the first weight 305 and the second weight 306 do not fall, the holding force of the solenoid valve pulser 5 is qualified, otherwise, the holding force is unqualified, and the action is smoothly completed, so that the holding force test of the solenoid valve pulser 5 is completed.

The electromagnetic valve pulser detection device is simple in structure, small in size, light in weight, simple in disassembly and assembly, independent of each other due to the fact that the execution mechanism, the direct-current power supply and the control system are in modular design, convenient to disassemble and assemble and convenient to store, weights with different qualities can be adjusted according to electromagnetic valve pulsers with different models, detection of electromagnetic valve pulsers with different models can be completed, and use cost of users is saved; the test result is visual and quick to judge; the method is suitable for various occasions, such as: laboratories, workshops, etc.; the operation is simple, the one-key test is convenient and simple, the test can be finished only by placing the electromagnetic valve pulser on the actuating mechanism and pressing the detection button, the test result can be judged whether to be qualified or not only by observing whether the first weight and the second weight are lifted or not, and the test process is simple and rapid; meanwhile, the manual weight carrying is saved, the labor intensity is reduced, the test result is accurate, and the operation efficiency and the test precision are improved; the electromagnetic valve pulser can be used for detecting an electric force measuring table of the electromagnetic valve pulser in the assembling process, unqualified products can be found in time, the reasons can be found, remediation can be carried out in time, the rework time is saved, the reasons of problems can be found more conveniently, and the factory-leaving quality of the products is also improved.

In addition, the following advantages are provided:

1) Through the arrangement of the servo motor and the positioning of the stroke by using the displacement sensor, the stroke can be accurately controlled, so that the second weight can stably run during testing, the impact cannot be generated to influence the detection result, and the accuracy of the test is improved;

2) The linear bearing flange is arranged in the first weight, and the linear shaft and the linear bearing flange are matched for use, so that the precision is high, the first weight is ensured to vertically lift, the first weight cannot deviate or shake during initial force test, and the accuracy of an initial force detection result is improved;

3) The servo motor is arranged on the electric cylinder mounting plate, the electric cylinder mounting plate is fixedly connected with the top plate of the test frame through the guide pillar, the linear bearing is arranged in the guide pillar, the guide pillar is matched with the linear bearing, the test precision is high, the second weight can stably run, the second weight is guaranteed to vertically lift, the second weight cannot deviate or shake during the holding force test, and the accuracy of the holding force detection result is improved;

4) The linear bearing, the linear bearing flange, the linear shaft and the guide pillar are all precisely matched, the friction force between the linear bearing and the linear bearing flange is small, the friction force can be ignored during testing, and the accuracy of a detection result is improved;

5) The electromagnetic valve pulser is inspected through the gravity of the first weight and the second weight, so that the detection structure is more accurate, and the error is small;

6) According to the method, the lifting barrel and the lifting barrel nut are designed in a cross structure, two planes are in contact, the flatness effectively ensures the levelness of the first weight and the second weight, and the cross structure reduces the processing and mounting precision but can ensure the testing precision;

7) The inside of the lifting barrel is provided with a certain depth dimension, so that a certain distance exists between the bottom of the lifting barrel nut and the upper surface of the second weight, when the second weight is lowered to a testing position, the servo electric cylinder and the lifting barrel nut can continuously extend downwards for a certain distance, the testing structure of the electromagnetic valve pulser is ensured not to be damaged, and the accuracy of the holding power test is also improved;

8) The second weight is heavier, so that the two handles are symmetrically arranged on the second weight, the second weight is convenient to disassemble and carry, labor is saved, and safety is high;

9) The bottom end of the linear shaft is provided with the detection rod, when the initial force is tested, the detection rod is used for transmitting the force between the electromagnetic valve pulser and the first weight, and the detection rod is matched with the electromagnetic valve pulser to ensure that the force generated by the electromagnetic valve pulser is transmitted to the first weight through the detection rod, so that the first weight is lifted up and lowered down; meanwhile, when the holding force is tested, the check rod also plays a role in transferring force, and the resultant force of the first weight and the second weight is transferred to the electromagnetic valve pulser through the linear shaft and the check rod;

10 The components are fastened with threads such as guide columns, upright columns and the like by adopting screws and nuts with various adaptive models, the components are connected, and the actuating mechanism is assembled, so that the connecting mode is simple.

All the technical features of the above embodiments can be arbitrarily combined (as long as there is no contradiction between the combinations of the technical features), and for brevity of description, all the possible combinations of the technical features in the above embodiments are not described; these examples, which are not explicitly described, should be considered to be within the scope of the present description.

The present application has been described in considerable detail with reference to certain embodiments and examples thereof. It should be understood that several conventional adaptations or further innovations of these specific embodiments may also be made based on the technical idea of the present application; however, such conventional modifications and further innovations may also fall within the scope of the claims of the present application as long as they do not depart from the technical idea of the present application.

Claims (10)

1. The utility model provides an electronic dynamometry platform of solenoid valve pulser which characterized in that includes: the electromagnetic valve pulser comprises a force measuring table, wherein an executing mechanism and an electric control system are arranged on the upper surface of the force measuring table, the executing mechanism is used for detecting the initial force and the holding force of the electromagnetic valve pulser and is respectively connected with a direct current power supply and the electric control system, the direct current power supply provides direct current voltage and current for the executing mechanism, and the electric control system controls the executing mechanism.

2. The electromagnetic valve pulser electric force measuring platform according to claim 1, wherein said actuator comprises a test frame and a servo electric cylinder located above said test frame, said electric control system is connected with said servo electric cylinder and controls said servo electric cylinder; the space in the test frame is marked as a test space, and the test space is used for placing the electromagnetic valve pulser;

a first weight and a second weight which is positioned above the first weight are arranged between the test frame and the servo electric cylinder, the first weight is used for testing the initial force of the electromagnetic valve pulser, and the first weight and the second weight jointly test the holding force of the electromagnetic valve pulser; the first weight is arranged at the upper end of the testing frame, the first weight is connected with the electromagnetic valve pulser through a linear shaft and a detection rod which are sequentially arranged from top to bottom, the upper part of the linear shaft extends into the first weight, and the first weight and the detection rod can move up and down along with the linear shaft; and a gap exists between the second weight and the first weight, and the servo electric cylinder is used for controlling the second weight to ascend or descend.

3. The electromagnetic valve pulser electric force measuring table according to claim 2, wherein the test frame comprises a first bottom plate, a top plate and four first upright posts, the four first upright posts are respectively vertically connected with the first bottom plate and the top plate; the first weight is arranged on the upper surface of the top plate and connected with the top plate through the linear shaft;

the bottom of servo electricity jar is provided with the electricity jar mounting panel, just the electricity jar mounting panel pass through the guide pillar with roof fixed connection, the guide pillar runs through in proper order first weight, second weight, and first weight, second weight and guide pillar can reciprocate relatively.

4. The electromagnetic valve pulser electric force measuring station of claim 3, wherein said electronic control system comprises a controller, said controller is connected with said servo electric cylinder and controls the servo electric cylinder to ascend and descend.

5. The electromagnetic valve pulser electric force measuring platform according to claim 4, wherein a lifting barrel and a lifting barrel nut are arranged between the electric cylinder mounting plate and the second weight, the lifting barrel is fixedly connected with the second weight, the lower part of the lifting barrel nut is arranged inside the lifting barrel, and the upper part of the lifting barrel nut is connected with the bottom of the servo electric cylinder; the bottom of the servo electric cylinder is positioned inside the barrel nut and is connected with the barrel nut in a threaded mode.

6. The electromagnetic valve pulser electric force measuring table according to claim 3 or 5, characterized in that a linear bearing is embedded in the second weight, and the linear bearing is matched with a guide post to guide the lifting of the second weight; the detection rod is connected with the bottom end of the linear shaft, and the lower part of the detection rod extends into the upper part of the electromagnetic valve pulser and is connected with the electromagnetic valve pulser.

7. The electromagnetic valve pulser electric force measuring table of claim 6, wherein two handles are symmetrically mounted on the second weight to ensure that the second weight generates uniform gravity.

8. The electromagnetic valve pulser electric force measuring platform according to claim 3, wherein a test seat is placed on the upper surface of the first bottom plate, the test seat comprises a base, a low-voltage female slip ring is arranged in the base, and the low-voltage female slip ring is tightly connected with the electromagnetic valve pulser in a matching manner; and the positive electrode and the negative electrode of the direct current power supply are connected with the low-voltage female slip ring.

9. The electromagnetic valve pulser electric force measuring table according to claim 6, wherein a second bottom plate is arranged between the first bottom plate and the top plate, the upper surface of the second bottom plate is connected with the bottom ends of the four first upright posts, the lower surface of the second bottom plate is connected with the first bottom plate through the four second upright posts, and the four second upright posts are arranged under the four first upright posts in a one-to-one correspondence manner.

10. The electromagnetic valve pulser electric force measuring platform according to claim 2, wherein a linear bearing flange is arranged inside the first weight, the linear bearing flange is provided with an inner hole, the upper portion of the linear shaft is located in the inner hole, and the linear shaft can slide up and down in the inner hole and move vertically.

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