CN111811948B - Water meter detection device - Google Patents
Water meter detection device Download PDFInfo
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- CN111811948B CN111811948B CN202010711939.4A CN202010711939A CN111811948B CN 111811948 B CN111811948 B CN 111811948B CN 202010711939 A CN202010711939 A CN 202010711939A CN 111811948 B CN111811948 B CN 111811948B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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Abstract
The invention discloses a water meter detection device, which comprises a detection box body, wherein a motor is fixedly arranged on the right side surface of the detection box body through a fixed block, a rotating shaft is fixedly arranged at the output end of the motor, two symmetrical first bevel gears are fixedly arranged on the outer surface of the rotating shaft, connecting rods are fixedly arranged on the left inner wall and the right inner wall of the detection box body, limiting sleeves are fixedly arranged at the adjacent ends of the two connecting rods, the inner ring of each limiting sleeve is movably connected with a rotating rod, the top of each rotating rod is fixedly provided with the first bevel gear, the bottom of each rotating rod is fixedly provided with a threaded rod, the bottom of each threaded rod is movably connected with the inner bottom wall of the detection box body through a bearing, the outer surface of each threaded rod is in threaded connection with a threaded sleeve, a clamping mechanism is arranged between the adjacent side surfaces of the two threaded sleeves, and a detection mechanism is arranged on the inner bottom wall of the detection box body. The invention can quickly and stably clamp the water meter shell, does not need manual operation and has higher detection efficiency.
Description
Technical Field
The invention belongs to the field of water meter production equipment, relates to a water meter detection technology, and particularly relates to a water meter detection device.
Background
The water meter is an instrument for measuring water flow, mostly is an accumulated flow measurement of water, generally is divided into a positive displacement water meter and a speed water meter, and originates from the uk, the development of the water meter has a history of nearly two hundred years, when the specification of the water meter is selected, the size and the flow range of the used flow under the normal condition are firstly estimated, and then the water meter with the specification of which the common flow is closest to the value is selected as a first choice.
The water gauge shell need use detection device to carry out water pressure resistance ability and leak detection to it after the machine-shaping, need fix the water gauge shell in the testing process, because water gauge shell surface is irregular, and the curved surface is more, difficult centre gripping, consequently before carrying out water pressure resistance detection to the water gauge shell, need expend a lot of time and press from both sides tight fixedly to the water gauge shell to the centre gripping effect is general, seriously influences the accuracy nature of the testing result of water gauge shell.
Chinese patent No. CN207586037U discloses a pressure resistance detection device for a water meter case, wherein a water inlet hole of the device is directly formed in a movable pressure plate, and a water outlet hole is directly formed in a fixed pressure plate, so that the fixed pressure plate and the movable pressure plate are pressed and positioned, and simultaneously the communication between an inner cavity of the water meter case and a water channel is realized, and a sealing element is simultaneously sealed, so that a worker does not need to additionally perform the communication of the water channel and the sealing operation of a combination position, and the detection efficiency is improved; however, when the device is used for fixing the water meter shell, the water meter shell is placed on the fixed pressure plate, and then the two limiting rods are used for limiting, but the surface of the fixed pressure plate is a plane and is difficult to be matched with the water meter shell, in addition, the limiting rods limit from two sides, the stability of the water meter shell is not high when the water meter shell is clamped, the accuracy of a subsequent detection result is not high, in addition, the clamping process needs manual operation, the operation is complex, and the operation pressure of an operator is higher;
chinese patent with publication No. CN11175136A discloses a pressure resistance detection device for a water meter shell, which can drive a stamping arc plate to apply pressure to the outside of the water meter shell by starting a hydraulic cylinder through arranging the hydraulic cylinder, a connecting block, a connecting column, the stamping arc plate, a mounting plate, a locking screw and a bolt nut, thereby detecting the external pressure which can be born by the water meter shell, and can also replace the stamping arc plate according to the sizes of different water meter shells at any time through the bolt, the nut and the connecting block, thereby being convenient for matching different water meter shell bodies; the device is to the size change punching press arc of different water watchcases, in order to reach the purpose that the different water watchcase bodies of cooperation carry out the detection, but, in actual testing process, even if the bolt, convenient to detach and installation are connected to the nut, but it still wastes time and energy to change, to the water meter shell of not unidimensional, if adopt this kind of mode to carry out fixed centre gripping, its work efficiency can greatly reduced, influence the detection efficiency of water meter shell on the whole, and through dismantling the bolt, the process that the punching press arc was changed to the nut needs artifical manual operation, the operating pressure that leads to operating personnel is great, and assembly precision when installing is difficult to guarantee, the accuracy that leads to follow-up testing result also can receive the influence.
Disclosure of Invention
The invention aims to provide a water meter detection device, which is used for detecting the water pressure resistance and the sealing performance of a water meter shell, the water meter shell can be stably clamped through a clamping ball and a clamping ball, the contact surfaces of the clamping ball, the clamping ball and the water meter shell are extremely small, which is equivalent to point contact, and the water meter shell is clamped through a plurality of clamping balls and clamping balls in point contact, so that the water meter shell can be stably clamped, the detection precision of the water pressure resistance of the water meter shell is ensured, and meanwhile, a detection mechanism is driven by a motor to move downwards, does not need manual operation, and is simple and convenient;
the technical problems to be solved by the invention are as follows:
(1) How to provide a water meter detection device which can rapidly clamp a water meter shell;
(2) How to provide a water meter detection device capable of automatically clamping a water meter shell;
(3) How to provide a water meter detection device which can carry out clamping detection on water meter shells with different sizes;
(4) How to provide a can be fast, audio-visual to the water gauge shell pressure resistance and the water gauge detection device that the leakproofness detected.
The purpose of the invention can be realized by the following technical scheme:
a water meter detection device comprises a detection box body, wherein a motor is fixedly mounted on the right side surface of the detection box body through a fixed block, a rotating shaft is fixedly mounted at the output end of the motor, the left end of the rotating shaft is movably connected with the left side wall of the detection box body through a bearing, two symmetrical first bevel gears are fixedly mounted on the outer surface of the rotating shaft, connecting rods are fixedly mounted on the left inner wall and the right inner wall of the detection box body respectively, a limiting sleeve is fixedly mounted at one end, close to the two connecting rods, of the inner ring of the limiting sleeve is movably connected with a rotating rod, a second bevel gear is fixedly mounted at the top of the rotating rod and meshed with the first bevel gears, a threaded rod is fixedly mounted at the bottom of the rotating rod, the bottom of the threaded rod is movably connected with the inner bottom wall of the detection box body through a bearing, a threaded sleeve is connected to the outer surface of the threaded rod through threads, a connecting block is fixedly mounted on the side surface, far away from the threaded sleeve, a sliding block is fixedly mounted at one end, far away from the threaded sleeve, a sliding rail is fixedly mounted on the left side wall and the right side wall of the detection box body, the sliding block is movably connected with the sliding rail, a clamping mechanism is arranged between the side surfaces, a detection box body is provided with a detection box body, a PLC controller is fixedly mounted on the inner bottom wall, and the detection box body, and a box door is fixedly mounted on the bottom of the detection box body, and a base of the detection box body is uniformly distributed on the detection box body;
the clamping mechanism comprises a mounting plate, the left side and the right side of the mounting plate are fixedly connected with the sides of two thread sleeves respectively, three groups of first grooves are formed in the mounting plate, the number of each group of first grooves is two, a second groove is formed in the inner bottom wall of each first groove, sliding grooves are formed in the front inner wall and the rear inner wall of each first groove, mounting blocks are movably connected between the inner top wall and the inner bottom wall of each sliding groove, a guide block is fixedly mounted between the side surfaces, close to each other, of the two mounting blocks, a spring is fixedly mounted between the side surface of each guide block and the inner side wall of each first groove, a mounting rod is fixedly mounted at the bottom of each guide block, the bottom of each mounting rod penetrates through the second groove and is fixedly mounted with a connecting frame, and clamping balls are fixedly mounted at the bottom of each connecting frame;
the detection mechanism comprises a shell, the bottom of the shell is fixedly connected with the inner bottom wall of the detection box body, two groups of symmetrical support columns are fixedly mounted on the inner bottom wall of the shell, the number of each group of support columns is three, clamping balls are fixedly mounted on the tops of the support columns, detection solution is contained in the shell, a water inlet pipe is connected between the shell and the inner bottom wall of the detection box body in a penetrating mode, one end, away from the shell, of the water inlet pipe extends to the outside of the detection box body, a pressure sensor and a water pump are arranged in the middle of the water inlet pipe, and the top of the water pump is fixedly connected with the bottom surface of the detection box body through a support;
and a water meter to be measured is placed between the tops of the two groups of clamping balls, and one end of the water inlet pipe, which is close to the shell, is communicated with a water pipe joint of the water meter to be measured.
Furthermore, one end of the water inlet pipe, which is far away from the shell, is communicated with external water storage equipment, and a closable valve is arranged at the right end of the water inlet pipe.
Further, the output of pressure sensor and the input electric connection of PLC controller, the input of motor, the input of suction pump and the output electric connection of PLC controller.
Furthermore, a gap is reserved between the spring outer ring and the inner top wall and the inner bottom wall of the first groove.
Furthermore, the bottom of link inclines to the direction that is close to the threaded rod, and inclination is fifteen degrees.
Furthermore, a sealing gasket is arranged at the joint of the water inlet pipe and the water pipe joint of the water meter to be measured.
Further, the junction fixed mounting of inlet tube surface and shells inner wall, detection box inner wall has the installation cover, fixed mounting has the sealing washer between installation cover inner wall and the inlet tube surface.
Furthermore, the number of the bases is four, and the four bases are uniformly distributed at four corners of the bottom surface of the detection box body.
The invention has the beneficial effects that: the invention has the following beneficial effects:
1. the water meter shell can be clamped quickly by the clamping mechanism and the clamping ball, because the contact area between the clamping ball, the clamping ball and the water meter shell is extremely small, and the clamping ball can automatically move towards two sides along the curved surface of the water meter shell when moving downwards until the water meter shell is clamped, and the contact between the clamping ball, the clamping ball and the water meter shell is equivalent to point contact, when the water meter shell is clamped, the water meter shell is equivalent to point contact clamping by a plurality of clamping balls and clamping balls, the clamping stability is good, and because the contact area between the water meter shell and the clamping ball is extremely small, the abrasion degree of the water meter shell in the clamping process is very low, thereby protecting the water meter shell;
2. the clamping mechanism can be controlled to automatically move downwards through the arranged structures such as the motor, the first bevel gear, the second bevel gear, the threaded rod, the threaded sleeve and the like, when the motor drives the rotating shaft to rotate, the first bevel gear drives the threaded rod to rotate through the second bevel gear, and the threaded sleeve can only move upwards and downwards due to the limiting effect of the connecting block, the sliding block and the sliding rail, so that when the threaded rod rotates, the two threaded sleeves simultaneously move downwards to drive the middle clamping mechanism to move downwards, the water meter shell is clamped by using the three groups of clamping balls, the water meter shell is automatically clamped, and the working pressure of an operator is reduced;
3. through the arrangement of the spring, the guide blocks, the connecting frame and other structures, after the clamping ball is contacted with the water meter shell, the spring contracts, the two guide blocks are separated from each other, and the clamping ball is continuously separated along the curved surface of the water meter shell until the water meter shell is clamped, so that the clamping mechanism can stably clamp the water meter shells with different sizes, when the water meter shells with different sizes need to be detected, the clamping mechanism does not need to be replaced, the time for replacing a clamp is saved, and the detection precision of the water meter is integrally improved;
4. through the casing that sets up, detect solution can audio-visually detect the leakproofness of water gauge shell, inject the water under high pressure into the water gauge shell, after pressure reached appointed threshold value, with the water discharge, then whether the detection solution of splendid attire takes place the reaction with water in the observation casing, discolours, can judge whether the water pressure resistance performance and the leakproofness of this water gauge shell accord with the production requirement, detection efficiency is higher, and the testing result is more directly perceived.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front sectional view of a detection box structure according to the present invention;
FIG. 2 is a front cross-sectional view of the clamping mechanism of the present invention;
FIG. 3 is a left side sectional view of the mounting plate structure of the present invention;
FIG. 4 is a front sectional view of the detecting mechanism of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
FIG. 6 is a front view of the structure of the present invention.
Wherein: 1. detecting the box body; 2. a motor; 3. a rotating shaft; 4. a first bevel gear; 5. a connecting rod; 6. a limiting sleeve; 7. a rotating rod; 8. a second bevel gear; 9. a threaded rod; 10. a threaded sleeve; 11. connecting blocks; 12. a slider; 13. a slide rail; 14. a clamping mechanism; 1401. mounting a plate; 1402. a first groove; 1403. a second groove; 1404. a chute; 1405. mounting a block; 1406. a guide block; 1407. a spring; 1408. mounting a rod; 1409. a connecting frame; 1410. clamping a ball; 15. a detection mechanism; 1501. a housing; 1502. a support pillar; 1503. blocking the ball; 1504. detecting the solution; 1505. a water inlet pipe; 1506. a pressure sensor; 1507. a water pump; 1508. installing a sleeve; 1509. a seal ring; 16. a PLC controller; 17. a box door; 18. a base; 19. and (6) measuring the water meter to be measured.
Detailed Description
As shown in fig. 1-6, a water meter detecting device comprises a detecting box body 1, a motor 2 is fixedly mounted on the right side of the detecting box body 1 through a fixed block, the motor 2 is used for driving a clamping mechanism 14 to move downwards, a rotating shaft 3 is fixedly mounted at the output end of the motor 2, the left end of the rotating shaft 3 is movably connected with the left side wall of the detecting box body 1 through a bearing, two symmetrical first bevel gears 4 are fixedly mounted on the outer surface of the rotating shaft 3, connecting rods 5 are fixedly mounted on the left inner wall and the right inner wall of the detecting box body 1, a limit sleeve 6 is fixedly mounted at the end close to the two connecting rods 5, the limit sleeve 6 is used for limiting the rotating rod 7, so that the rotating rod 7 cannot deflect upwards in the front, back, left and right directions when rotating, thereby ensuring that the threaded rod 9 can normally rotate to drive a threaded sleeve 10 to move downwards, a rotating rod 7 is movably connected with the inner ring of the limit sleeve 6, a second bevel gear 8 is fixedly mounted at the top of the rotating rod 7, the second bevel gear 8 is meshed with the first bevel gear 4, the first bevel gear 4 is driven to rotate synchronously with the rotating rod 7 by the second bevel gear 8, a slide rail 10, a slide rail 12 is connected with a slide rail, a slide rail 10, a slide rail 12 is fixedly mounted on the outer surface of the fixed on the fixed slide rail 10, and a slide rail 10, the slide rail 10 is connected with a slide rail 10, and a slide rail 13, the slide rail 10 is connected with a slide rail 10, the slide rail 10 is connected with a slide rail 10, the water meter detection device comprises a detection box body 1, a threaded sleeve 10, a clamping mechanism 14, a PLC (programmable logic controller) 16, a water pump 1507, a box door 17 and uniformly distributed bases 18, wherein the threaded sleeve 10 is driven to move downwards, the clamping mechanism 14 is arranged between the side faces, close to each other, of the two threaded sleeves 10, the clamping mechanism 14 moves downwards synchronously along with the threaded sleeve 10, so that a shell of the water meter is clamped, the inner bottom wall of the detection box body 1 is provided with the detection mechanism, the detection mechanism is used for detecting the water pressure resistance and the sealing performance of the shell of the water meter to be detected, the front face of the detection box body 1 is provided with the PLC 16, the PLC 16 is used for controlling the opening and closing of the motor 2 and the water pump 1507, the front face of the detection box body 1 is hinged with the box door 17, and the bottoms of the detection box body 1 are fixedly provided with the uniformly distributed bases 18;
the clamping mechanism 14 comprises a mounting plate 1401, the left side and the right side of the mounting plate 1401 are fixedly connected with the sides of two thread sleeves 10, three groups of first grooves 1402 are formed in the mounting plate 1401, the number of each group of first grooves 1402 is two, a second groove 1403 is formed in the bottom wall of each first groove 1402, sliding grooves 1404 are formed in the front inner wall and the rear inner wall of each first groove 1402, mounting blocks 1405 are movably connected between the top wall and the inner bottom wall of each sliding groove 1404, guide blocks 1406 are fixedly mounted between the adjacent sides of the two mounting blocks 1405, springs 1407 are fixedly mounted between the sides of each guide block 1406 and the inner side wall of each first groove 1402, mounting rods 1408 are fixedly mounted at the bottoms of the guide blocks 1406, the bottoms of the mounting rods 1408 pass through the second grooves 1403 and are fixedly mounted with connecting frames 1409, and clamping balls 1410 are fixedly mounted at the bottoms of the connecting frames 1409; as the clamping mechanism 14 is moved downwards continuously, after the clamping balls 1410 contact with the water meter shell, the spring 1407 contracts, the guide block 1406 slides in the first groove 1402, and the two groups of clamping balls 1410 are separated from each other along the curved surface of the water meter shell until the water meter shell is clamped stably;
the detection mechanism 15 comprises a shell 1501, the bottom of the shell 1501 is fixedly connected with the bottom wall of the detection box 1, two groups of symmetrical support columns 1502 are fixedly installed on the bottom wall of the shell 1501, the number of the support columns 1502 is three, clamp balls 1503 are fixedly installed on the top of the support columns 1502, the clamp balls 1503 are matched with clamp balls 1410 to clamp the shell of the water meter, detection solution 1504 is contained in the shell 1501, the detection solution 1504 is anhydrous copper sulfate, the white color of the anhydrous copper sulfate is changed into blue color after the anhydrous copper sulfate is in contact reaction with water, so that the detection result is more visual, a water inlet pipe is connected between the shell 1501 and the bottom wall of the detection box 1 in a penetrating manner, one end, away from the shell 1501, of the water inlet pipe 1505 extends to the outside of the detection box 1, a pressure sensor 1506 and a water suction pump 1507 are arranged in the middle of the water inlet pipe, the water in external water storage equipment is pumped into the shell by the water pump 1507 under pressure, when a pressure signal output by the pressure sensor 1506 reaches a designated threshold value, the pressure resistance and the sealing of the water storage shell of the water pump 1507 are fixedly connected with the bottom surface of the detection box 1 through a bracket;
the water meter 19 to be measured is placed between the tops of the two groups of ball blocks 1503, and one end of the water inlet pipe 1505 close to the shell 1501 is communicated with a water pipe joint of the water meter 19 to be measured. Water in the external water storage device enters the water meter 19 to be measured through the water inlet pipe 1505.
Further, an end of the water inlet pipe 1505 away from the housing 1501 is communicated with an external water storage device, and a closable valve is provided at a right end of the water inlet pipe 1505. The water in the external water storage device is pumped into the water meter shell through the water inlet pipe 1505 and the water pump 1507, and the pressure resistance and the sealing performance of the water meter shell are further detected.
Furthermore, the output end of the pressure sensor 1506 is electrically connected to the input end of the PLC controller 16, and the input end of the motor 2 and the input end of the suction pump 1507 are electrically connected to the output end of the PLC controller 16. After the water meter shell is pumped with pressurized water, the pressure sensor 1506 outputs a pressure signal to the PLC controller 16, when the pressure value in the water meter shell reaches a specified threshold value, the PLC controller 16 controls the water pump 1507 to close, the pressurization is stopped, at the moment, after the water in the water meter shell is emptied, the box door 17 is opened to observe whether the detection solution in the shell is white or blue or the depth of blue degree in the solution, and whether the water pressure resistance and the sealing performance of the water meter shell meet the processing requirements or not can be judged.
Further, the outer ring of the spring 1407 is spaced from the inner top wall and the inner bottom wall of the first groove 1402. The spring 1407 is prevented from contacting with the inner wall of the first groove 1402 when extending and retracting, unnecessary friction is avoided, the abrasion between the spring 1407 and the inner wall of the first groove 1402 is reduced, and the service life of the equipment parts is prolonged.
Further, the bottom of the connecting frame 1409 is inclined toward the threaded rod 9 by an angle of fifteen degrees. After the ball clamp 1410 is contacted with the water meter shell, the ball clamp 1410 can automatically move and separate along the surface of the water meter shell, the spring 1407 is compressed until the ball clamp 1410 is matched with the ball clamp 1503 to clamp and stabilize the water meter shell, the ball clamp 1410, the connecting frame 1409 and the mounting plate 1401 form a shape similar to a trapezoid, the pressure of the ball clamp 1410 on the water meter shell and the supporting force provided by the ball clamp 1503 on the water meter shell have an offset angle, and the clamping stability of the water meter shell is further improved.
Furthermore, a sealing gasket is arranged at the joint of the water inlet pipe 1505 and the water pipe joint of the water meter 19 to be measured. The leakproofness of the junction of inlet tube 1505 and the water pipe head of the water gauge 19 that awaits measuring is guaranteed, avoids the water in the water gauge 19 that awaits measuring to flow through the gap between water pipe head and the inlet tube 1505, influences the accuracy nature of testing result.
Furthermore, a mounting sleeve 1508 is fixedly mounted at the joint of the outer surface of the water inlet pipe 1505, the inner wall of the shell 1501 and the inner wall of the detection box body 1, and a sealing ring 1509 is fixedly mounted between the inner wall of the mounting sleeve 1508 and the outer surface of the water inlet pipe 1505. Guarantee the leakproofness of inlet tube 1505 and casing 1501, detection box 1 inner wall junction, avoid detecting solution 1504 and flow out in the gap of the junction through inlet tube 1505 and casing 1501, detection box 1, avoid detecting solution 1504 and reveal.
Furthermore, the number of the bases 18 is four, and the four bases 18 are uniformly distributed at four corners of the bottom surface of the detection box 1. The stability of the equipment during operation is improved, and the four bases 18 provide stable support for the detection box body 1 at the four corners of the bottom surface of the detection box body 1.
A water meter detection device, when using, open the container door 17, place the water meter 19 to be measured above two sets of balls 1503, and link the water inlet pipe 1505 with the water pipe connection of the water meter 19 to be measured, close the container door 17, the starting motor 2 drives the spindle 3 to rotate, the spindle 3 drives two first bevel gears 4 to rotate while rotating, the first bevel gear 4 drives the second bevel gear 8 to rotate while rotating, the second bevel gear 8 drives the rotating lever 7 to rotate, when the rotating lever 7 rotates, the threaded rod 9 connected below it rotates synchronously with the rotating lever 7, the threaded sleeve 10 receives the spacing effects of the slide rail 13, joint block 11, when the threaded rod 9 rotates, drive the threaded sleeve 10 to move downward, the clamping mechanism 14 installed between two threaded sleeves 10 moves downward synchronously with two threaded sleeves 10, as the clamping mechanism 14 moves downward continuously, when the ball 1410 contacts with the surface of the outer cover of the water meter 19 to be measured, the ball 1410 produces the mutual acting force to the outer cover of the water meter 19 to be measured, the compression spring 1407 contracts, the mounting block 1405 slides in the second groove 1403, the ball separates from each other, and moves along the outer cover 1410 surface of the water meter to be measured, until the ball contacts the outer cover 1503 to stabilize the water meter 19 to be measured ball 1503;
at this moment, the valve of the water inlet pipe 1505 is opened, the water pump 1507 is started through the PLC controller 16, the water pump 1507 pumps water in the external water storage device into the water meter 19 to be tested, and pressurization is performed continuously, the pressure sensor 1506 transmits a detected pressure signal to the PLC controller 16, as the pressure rises continuously, when the pressure signal value output by the pressure sensor 1506 reaches a specified threshold value, the PLC controller 16 closes the switch of the water pump 1507, at this moment, the box door 17 can be opened, whether the color change occurs in the detection solution 1504 in the shell 1501 is observed, since anhydrous copper sulfate is used as the detection solution 1504, the detection solution 1504 is white in a normal state, if the water pressure resistance and the sealing performance of the shell of the water meter 19 to be tested cannot meet the processing requirements, water in the water meter 19 to be tested leaks in the pressurization process, after water injection is completed, whether the detection solution 1504 is changed from white to blue is observed, and whether the water pressure resistance and the sealing performance of the water meter 19 to be tested can be judged to be visually and the detection result is reliable.
The invention has the following beneficial effects:
1. the water meter shell can be clamped quickly by the clamping mechanism and the clamping balls, and because the contact areas between the clamping balls, the clamping balls and the water meter shell are extremely small, and the clamping balls can automatically move towards two sides along the curved surface of the water meter shell when moving downwards until the water meter shell is clamped, and the contact between the clamping balls, the clamping balls and the water meter shell is equivalent to point contact, when the water meter shell is clamped, the contact is equivalent to point contact clamping by a plurality of clamping balls and clamping balls, and the clamping stability is good;
2. the clamping mechanism can be controlled to automatically move downwards through the arranged structures such as the motor, the first bevel gear, the second bevel gear, the threaded rod, the threaded sleeve and the like, when the motor drives the rotating shaft to rotate, the first bevel gear drives the threaded rod to rotate through the second bevel gear, so that the threaded sleeve moves upwards and downwards on the threaded rod to drive the clamping mechanism to move downwards, and the water meter shell is clamped by using three groups of clamping balls, so that the water meter shell is automatically clamped, and the working pressure of an operator is reduced;
3. through the arrangement of the spring, the guide blocks, the connecting frame and other structures, after the clamping ball is contacted with the water meter shell, the spring contracts, the two guide blocks are separated from each other, and the clamping ball is continuously separated along the curved surface of the water meter shell until the water meter shell is clamped, so that the clamping mechanism can stably clamp the water meter shells with different sizes, when the water meter shells with different sizes need to be detected, the clamping mechanism does not need to be replaced, and the detection precision of the water meter is integrally improved;
4. through the casing that sets up, detect solution can audio-visually detect the leakproofness of water gauge shell, inject the water under high pressure into the water gauge shell, after pressure reached appointed threshold value, with the water discharge, then whether the detection solution of splendid attire takes place the reaction with water in the observation casing, discolours, can judge whether the water pressure resistance performance and the leakproofness of this water gauge shell accord with the production requirement, detection efficiency is higher, and the testing result is more directly perceived.
The foregoing is merely illustrative and explanatory of the present invention and various modifications, additions or substitutions may be made to the specific embodiments described by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The water meter detection device comprises a detection box body (1) and is characterized in that a motor (2) is fixedly mounted on the right side of the detection box body (1) through a fixed block, a rotating shaft (3) is fixedly mounted at the output end of the motor (2), the left end of the rotating shaft (3) is movably connected with the left side wall of the detection box body (1) through a bearing, two symmetrical first bevel gears (4) are fixedly mounted on the outer surface of the rotating shaft (3), connecting rods (5) are fixedly mounted on the left inner wall and the right inner wall of the detection box body (1), a limiting sleeve (6) is fixedly mounted at one end, close to the two connecting rods (5), of the inner ring of the limiting sleeve (6) is movably connected with a rotating rod (7), a second bevel gear (8) is fixedly mounted at the top of the rotating rod (7), the second bevel gear (8) is meshed with the first bevel gear (4), a threaded rod (9) is fixedly mounted at the bottom of the rotating rod (7), the bottom of the threaded rod (9) is movably connected with the inner bottom wall of the detection box body (1) through a bearing, a threaded rod (9) is connected with a threaded sleeve (10), a sliding block (11) is fixedly mounted on the side wall of the left side wall and a sliding block (11) is fixedly mounted on the left side wall of the sliding block (12) and right side wall of the detection box body (1), the sliding block (12) is movably connected with a sliding rail (13), a clamping mechanism (14) is arranged between the side faces, close to each other, of the two threaded sleeves (10), a detection mechanism (15) is arranged on the inner bottom wall of the detection box body (1), a PLC (programmable logic controller) (16) is arranged on the front face of the detection box body (1), a box door (17) is hinged to the front face of the detection box body (1), and bases (18) which are uniformly distributed are fixedly arranged at the bottom of the detection box body (1);
the clamping mechanism (14) comprises a mounting plate (1401), the left side and the right side of the mounting plate (1401) are fixedly connected with the sides of two threaded sleeves (10) respectively, three groups of first grooves (1402) are formed in the mounting plate (1401), the number of each group of first grooves (1402) is two, a second groove (1403) is formed in the inner bottom wall of each first groove (1402), sliding grooves (1404) are formed in the front inner wall and the rear inner wall of each first groove (1402), mounting blocks (1405) are movably connected between the inner top wall and the inner bottom wall of each sliding groove (1404), guide blocks (1406) are fixedly mounted between the side faces, close to the two mounting blocks (1405), springs (1407) are fixedly mounted between the side faces of each guide block (1406) and the inner side wall of each first groove (1402), mounting rods (1408) are fixedly mounted at the bottoms of the guide blocks (1406), a connecting frame (1409) penetrates through the second grooves (1403) and is fixedly mounted at the bottoms of the mounting rods (1408), and clamping balls (1410) are fixedly mounted at the bottoms of the connecting frames (1409);
the detection mechanism (15) comprises a shell (1501), the bottom of the shell (1501) is fixedly connected with the inner bottom wall of the detection box body (1), two groups of symmetrical support columns (1502) are fixedly mounted on the inner bottom wall of the shell (1501), the number of each group of support columns (1502) is three, clamping balls (1503) are fixedly mounted at the tops of the support columns (1502), detection solution (1504) is contained in the shell (1501), a water inlet pipe (1505) penetrates through and is connected between the shell (1501) and the inner bottom wall of the detection box body (1), one end, far away from the shell (1501), of the water inlet pipe (1505) extends to the outside of the detection box body (1), a pressure sensor (1506) and a water suction pump (1507) are arranged in the middle of the water inlet pipe (1505), and the top of the water suction pump (1507) is fixedly connected with the bottom surface of the detection box body (1) through a support;
a water meter (19) to be measured is placed between the tops of the two groups of clamping balls (1503), and one end of the water inlet pipe (1505) close to the shell (1501) is communicated with a water pipe joint of the water meter (19) to be measured.
2. A water meter detecting device as claimed in claim 1, wherein an end of the water inlet pipe (1505) remote from the housing (1501) is connected to an external water reservoir, and a closable valve is provided at the right end of the water inlet pipe (1505).
3. A water meter detecting device according to claim 1, wherein the output terminal of the pressure sensor (1506) is electrically connected to the input terminal of the PLC controller (16), and the input terminal of the motor (2) and the input terminal of the water pump (1507) are electrically connected to the output terminal of the PLC controller (16).
4. A water meter testing device as claimed in claim 1, wherein a gap is provided between the outer race of said spring (1407) and the inner top and inner bottom walls of said first recess (1402).
5. A water meter testing device as claimed in claim 1, wherein the bottom of said connecting frame (1409) is inclined toward the threaded shaft (9) by an angle of fifteen degrees.
6. A water meter testing device as claimed in claim 1, wherein a gasket is provided at the junction of said inlet pipe (1505) and the water pipe connection of the water meter (19) to be tested.
7. A water meter testing device as claimed in claim 1, wherein a mounting sleeve (1508) is fixedly mounted at a connection between an outer surface of said inlet pipe (1505) and an inner wall of said housing (1501) and an inner wall of said testing housing (1), and a sealing ring (1509) is fixedly mounted between an inner wall of said mounting sleeve (1508) and an outer surface of said inlet pipe (1505).
8. A water meter detecting device according to claim 1, wherein the number of the bases (18) is four, and the four bases (18) are uniformly distributed at four corners of the bottom surface of the detecting box body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010711939.4A CN111811948B (en) | 2020-07-22 | 2020-07-22 | Water meter detection device |
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| CN202010711939.4A CN111811948B (en) | 2020-07-22 | 2020-07-22 | Water meter detection device |
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| CN111811948B true CN111811948B (en) | 2022-12-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112345042B (en) * | 2020-10-29 | 2024-06-14 | 湖南常德牌水表制造有限公司 | Full-automatic multifunctional water meter calibrating device and calibrating method |
| CN112665791B (en) * | 2020-12-24 | 2021-09-03 | 深圳市鸿丽科技有限公司 | Waterproof check out test set of LED display screen module |
| CN112780244B (en) * | 2021-01-14 | 2022-11-29 | 江阴亿达机械制造有限公司 | Oil drilling and production fracturing equipment hydraulic cylinder assembly precision component |
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