CN115791029A - Fire valve water pressure resistance detection device and detection method - Google Patents
Fire valve water pressure resistance detection device and detection method Download PDFInfo
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- CN115791029A CN115791029A CN202310031088.2A CN202310031088A CN115791029A CN 115791029 A CN115791029 A CN 115791029A CN 202310031088 A CN202310031088 A CN 202310031088A CN 115791029 A CN115791029 A CN 115791029A
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Abstract
The invention relates to the technical field of valve detection, in particular to a fire valve water pressure resistance detection device and a detection method, which comprise a detection table and a sealing seat lifting plate, wherein a fan is arranged on the sealing seat lifting plate; the detection assembly comprises an air outlet pipe arranged on one side of the detection cover, and one end of the ball valve is connected with a detection pipe; the transfer assembly comprises a transfer table arranged on one side of the detection table, a first mounting frame and a second mounting frame are respectively arranged on the side wall of the rotating rod in a sliding mode, and rotating plates are arranged on the first mounting frame and the second mounting frame in a rotating mode. This scheme utilization detects the cover and covers the valve body, utilizes hot-blast drop evaporation of oozing the outer wall of valve body and send the test tube into, has replaced the mode of artifical detection, has improved the accuracy that detects, has rotated on the transfer table and has installed first mounting bracket and second mounting bracket, and the second mounting bracket is used for removing the valve body that finishes with detecting on the test table, and the valve body that does not detect on the first mounting bracket will conveyer belt shifts to detecting on the test table and detects, has improved the efficiency that detects.
Description
Technical Field
The invention relates to the technical field of valve detection, in particular to a device and a method for detecting water pressure resistance of a fire valve.
Background
The fire valve is a very important part in the middle of the fire control water supply pipe, if the fire valve is not too close, must seriously influence the fire control and give drainage pipe system's normal operating, reveal to be the leading reason who influences fire valve quality, can know and master the performance of fire valve through developing the pressure test of fire control water supply and drainage valve.
Application number CN202010180332.8 water resistance pressure detection device of valve and detection method thereof, water resistance pressure detection mechanism sets up in a water resistance pressure detecting system, water resistance pressure detection mechanism establishes the water resistance pressure performance in order to be used for detecting the valve at the top other end of base, water resistance pressure detection mechanism includes feed tank, extrusion part, delivery unit, heater block and counting assembly, sets up chucking part, extrusion part, delivery unit, heater block and counting assembly and controller and is electric connection, the water resistance pressure detection mechanism of valve of the invention, detectable valve can also prevent equipment infiltration simultaneously at the water resistance pressure performance of its inside different water level height and valve when meeting different temperatures, and then avoided the waste of water resource.
The above invention can be improved: the detection mode of the invention judges the water pressure resistance of the valve by observing whether the outside of the valve is seeped or not and observing whether the valve is deformed or not by a detector, and the judgment mode has low precision, and then the valve needs to be replaced manually after the detection is finished, so that the fire valve has high quality, wastes time and labor, and reduces the detection efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a fire valve water pressure resistance detection device and a detection method, which can effectively solve the problems of low detection precision and low detection efficiency in the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a fire valve water pressure resistance detection device, which comprises a detection table, a conveyor belt, a valve body and a sealing seat, wherein the valve body is placed on the conveyor belt; the detection assembly is used for detecting water vapor in the detection cover and comprises an air outlet pipe arranged on one side of the detection cover, a ball valve is arranged at the air outlet of the air outlet pipe, one end of the ball valve is connected with a detection pipe, a filter screen is arranged in the detection pipe, a plurality of water absorption beads are arranged above the filter screen, a contact electrode is arranged above the water absorption beads, a prompt lamp electrically connected with the contact electrode is arranged on the detection pipe, and a ventilation hole is formed in the inner wall of the detection pipe; the transfer assembly is used for feeding and discharging of the valve body, and comprises a transfer table arranged on one side of the detection table, the transfer table is positioned between the detection table and the conveyor belt, a rotating rod is rotatably arranged on the transfer table, a driving rotating rod rotating servo motor is arranged at the bottom of the transfer table, a first mounting frame and a second mounting frame are slidably arranged on the side wall of the rotating rod respectively, a rotating plate is rotatably arranged on the first mounting frame and the second mounting frame, a transfer frame is arranged on the rotating plate, the rotating plate positioned on the first mounting frame loses the limiting effect when the first mounting frame rotates to the detection table, the rotating plate positioned on the first mounting frame is limited and cannot rotate when the first mounting frame rotates to the conveyor belt, the rotating plate positioned on the first mounting frame is limited when the second mounting frame rotates to the detection table, and the rotating plate positioned on the first mounting frame is limited when the second mounting frame rotates to the conveyor belt.
Further, the detecting component is still including connecting the disappointing pipe at the other end ball valve, and the gas outlet department of disappointing pipe is equipped with the sponge that absorbs water, fixed mounting has the gear on the switch of ball valve, fixed mounting has with gear assorted rack on the lifter plate, detect and be connected through the elastic rod between cover and the lifter plate.
Further, the transfer assembly still includes the first slot of seting up on the first mounting bracket, the activity is inserted and is equipped with first limiting plate in the first slot, first limiting plate is close to dwang one end fixed mounting and has first magnet, the second slot has been seted up on the second mounting bracket, the activity is inserted and is equipped with the second limiting plate in the second slot, the second limiting plate is close to dwang one end fixed mounting and has second magnet, the spout has been seted up on the dwang, fixed mounting has third magnet and fourth magnet in the spout, first magnet repels with the third magnet, and attracts with the fourth magnet mutually, second magnet and third magnet attract mutually, and repel mutually with the fourth magnet, the transfer bench fixed mounting has the stand pipe that is used for first mounting bracket and second mounting bracket direction, and the stand pipe box establishes on the dwang.
Furthermore, the top end of the guide pipe is sequentially provided with an inclined plane, a first plane and a second plane, and the first plane is higher than the second plane.
Furthermore, an accommodating groove is formed in the inner annular surface of the transfer frame, a second air bag is arranged in the accommodating groove, two reinforcing grooves are symmetrically formed in the transfer frame, a sliding block is slidably arranged in each reinforcing groove, a first air bag is arranged in each reinforcing groove, one end of each first air bag is connected with the corresponding sliding block, and the other end of each first air bag is communicated with the corresponding second air bag.
Further, it has a third piston pipe to examine fixed mounting on the test table, the upper end activity of third piston pipe is inserted and is equipped with the third piston rod, the clamp plate is installed to third piston rod upper end, the below that examines the test table is equipped with the fourth piston pipe, and fourth piston pipe upper end activity is inserted and is equipped with the fourth piston rod, fourth piston rod upper end fixed mounting has down sealed piece, and is equipped with pressure detector down in the sealed piece, be connected with the second connecting pipe between fourth piston pipe and the third piston pipe, install sealed piece on the interior roof of detection cover.
Further, lower seal block both sides fixed mounting has the second piston pipe, and the activity of second piston pipe upper end is inserted and is equipped with the second piston rod, the top fixed mounting of second piston rod is on examining the diapire of test table, the seal receptacle is equipped with the ring pipe, and is connected with a plurality of first piston pipes on the inner ring of ring pipe, the tip activity of first piston pipe is inserted and is equipped with first piston rod, and the tip fixed mounting of first piston rod has the locating plate, be connected with first connecting pipe between ring pipe and the second piston pipe.
Furthermore, an electric push rod for driving the lifting plate to move up and down is arranged on one side of the fixing frame.
Furthermore, a recycling box is arranged below the transfer table, and a material pushing block is fixedly arranged on the inner wall of the recycling box.
A fire valve water pressure resistance detection method comprises the following steps:
s1: placing a valve body to be tested on a conveyor belt, and feeding materials through the conveyor belt;
s2: the servo motor drives the rotating rod to rotate, the rotating rod drives the first mounting frame and the second mounting frame to rotate, and the transfer frame on the first mounting frame transfers the valve body on the conveyor belt to the detection platform;
s3: the lifting plate moves the detection cover to move downwards, the valve body is covered by matching with the sealing seat, two ends of the valve body are sealed, water is introduced into the valve body through the high-pressure water pump, and water pressure is boosted once at intervals;
s4: starting a fan and a heater, evaporating the outer wall of the valve body by using hot air when water leaks from the valve body, absorbing water vapor by the water absorption beads, extruding and contacting the electrodes after the water absorption beads expand, electrifying a prompting lamp, sending a water leakage prompt, stopping testing, and moving the detection cover to move upwards through the lifting plate;
s5: the servo motor starts once more, and the dwang drives the valve body that the second mounting bracket will finish detecting and shifts out from examining the test table.
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. this scheme utilization detects the cover and covers the valve body to set up the detection tube that detects steam on detecting the cover, utilize hot-blast drop of water evaporation that oozes the outer wall of valve body and send the detection tube in, replaced the mode of artifical detection, improved the accuracy that detects.
2. This scheme has rotated on the transfer platform and has installed first mounting bracket and second mounting bracket, and the second mounting bracket is used for removing the valve body that finishes that detects on will examining the bench, and the valve body that first mounting bracket did not detect on with the conveyer belt shifts to examining and detects on the bench, has replaced the mode of artifical loading and unloading, has improved the efficiency that detects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a general schematic view of a front view of the present invention;
FIG. 2 is a general schematic view of a rear view of the present invention;
FIG. 3 is a schematic view of a portion of the inspection housing of the present invention;
FIG. 4 is a cross-sectional view of a portion of a detection tube according to the present invention;
FIG. 5 is a schematic view of the seal assembly of the present invention;
FIG. 6 is a diagram of the initial state of the transfer unit of the present invention;
FIG. 7 is a loading state diagram of the transfer assembly of the present invention;
FIG. 8 is a discharge state diagram of the transfer assembly of the present invention;
FIG. 9 is a schematic view of the structure of the transfer rack of the present invention;
FIG. 10 is a schematic view of the structure of the guide tube of the present invention;
FIG. 11 is a partial cross-sectional view of the first and second mounts of the present invention;
FIG. 12 is a sectional view of a rotating shaft in the present invention;
fig. 13 is a state diagram of the valve body and the material pushing block during discharging in the invention.
The reference numerals in the drawings denote: 1. a detection table; 2. a sealing seat; 201. a sealing groove; 202. a first piston tube; 203. positioning a plate; 204. a lower seal block; 205. a second piston tube; 206. a second piston rod; 207. a first connecting pipe; 3. a lifting plate; 4. a detection cover; 401. an upper sealing block; 402. an elastic rod; 5. a detection component; 501. a ball valve; 502. a detection tube; 503. an air escape pipe; 504. a rack; 505. a gear; 506. filtering with a screen; 507. an exhaust hole; 508. water-absorbing beads; 509. a contact electrode; 510. a warning light; 6. a high pressure water pump; 7. a fan; 8. a heater; 9. a transfer table; 10. a conveyor belt; 11. a valve body; 12. a recycling bin; 13. a third piston tube; 1301. a third piston rod; 1302. pressing a plate; 1303. a fourth piston tube; 1304. a fourth piston rod; 1305. a second connecting pipe; 14. a fixed mount; 15. an electric push rod; 16. a guide tube; 1601. a bevel; 1602. a first plane; 1603. a second plane; 17. rotating the rod; 1701. a first mounting bracket; 1702. a second mounting bracket; 1703. a first limit plate; 1704. a second limiting plate; 1705. a first magnet; 1706. a second magnet; 1707. a first slot; 1708. a second slot; 1709. a chute; 1710. a third magnet; 1711. a fourth magnet; 18. a rotating plate; 1801. a transfer frame; 1802. a reinforcing groove; 1803. a first air bag; 1804. a slider; 1805. a second air bag; 19. a material pushing block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Example (b): referring to fig. 1-13, a fire valve water pressure resistance detection device and a detection method include a detection table 1, a conveyor belt 10 and a valve body 11 placed on the conveyor belt 10, in order to improve detection accuracy, in the present scheme, a seal seat 2 is installed on the detection table 1, a fixing frame 14 is fixedly installed on one side of the detection table 1, a lifting plate 3 is installed on the fixing frame 14 in a sliding manner, an electric push rod 15 for driving the lifting plate 3 to move up and down is arranged on one side of the fixing frame 14, a detection cover 4 is arranged below the lifting plate 3, a fan 7 is arranged on the lifting plate 3, the fan 7 is communicated with the detection cover 4, and a heater 8 is arranged at an air outlet of the fan 7; the detection assembly 5 is used for detecting water vapor in the detection cover 4 and comprises an air outlet pipe arranged on one side of the detection cover 4, a ball valve 501 is arranged at the air outlet of the air outlet pipe, one end of the ball valve 501 is connected with a detection pipe 502, a filter screen 506 is arranged in the detection pipe 502, a plurality of water absorption beads 508 are arranged above the filter screen 506, a contact electrode 509 is arranged above the water absorption beads 508, a prompt lamp 510 electrically connected with the contact electrode 509 is arranged on the detection pipe 502, and a ventilation hole 507 is formed in the inner wall of the detection pipe 502; the detection assembly 5 further comprises an air release pipe 503 connected to the ball valve 501 at the other end, a water absorption sponge is arranged at an air outlet of the air release pipe 503, a gear 505 is fixedly mounted on a switch of the ball valve 501, a rack 504 matched with the gear 505 is fixedly mounted on the lifting plate 3, and the detection cover 4 is connected with the lifting plate 3 through an elastic rod 402.
The scheme drives the lifting plate 3 to move downwards through the electric push rod 15, so as to drive the detection cover 4 to move downwards, the detection cover 4 moves downwards and covers the valve body 11 to be detected, the detection cover 4 and the seal seat 2 are matched to isolate the valve body 11 from the outside (it is noted that a seal groove 201 is arranged on the seal seat 2 as shown in figure 3, and a seal ring can be added in the seal groove 201 to improve the sealing performance after closing and improve the subsequent detection precision), then high-pressure water is input into the valve body 11 by using the high-pressure water pump 6 on the lifting plate 3, the water pressure is increased at intervals, meanwhile, the fan 7 and the heater 8 are started (it is noted that the heating temperature of the heater 8 is not too high, the purpose is to accelerate evaporation), and hot air is blown to the surface of the valve body 11, if the valve body 11 breaks under the effect of water pressure and leaks water, hot-blast can evaporate the water droplet, and bring steam into the detecting tube 502, be equipped with water absorption ball 508 in the detecting tube 502, water absorption ball 508 absorbs steam and then expands, jack-up the contact electrode 509 of top (it is worth noting, contact electrode 509 has two, slidable mounting of one is in the top of water absorption ball 508, and another fixed mounting is on the inner wall of detecting tube 502, and in order to improve the precision of detection, the distance between two contact electrodes 509 is very little), after two contact electrode 509 contact, the switch-on of warning light 510 circuit, warning light 510 lights, the suggestion measurement personnel valve has appeared breaking, need to stop the experiment and record the water pressure data that detect.
In order to further improve the accuracy of the detection result, on the basis of the above-mentioned detection process, one end of the ball valve 501 is connected with a gas release pipe 503 (the other end is connected with a detection pipe 502, as shown in fig. 3), wherein the ball valve 501 is communicated with the gas release pipe 503 in an initial state, and the elastic rod 402 is connected between the detection cover 4 and the lifting plate 3, after the bottom of the detection cover 4 is contacted and sealed with the seal seat 2 under the action of the elastic rod 402, hot air dries the inside of the detection cover 4 and the outer wall of the valve body 11 to be detected in advance, when the detection cover 4 continues to descend, the elastic rod 402 is compressed, the lifting plate 3 and the detection cover 4 gradually approach, the rack 504 and the gear 505 perform transmission action, the gear 505 rotates, the gear 505 drives the switch of the ball valve 501 to rotate, the ball valve 501 originally communicated with the gas release pipe 503 is disconnected from the gas release pipe 503 under the rotation of the switch, and is gradually communicated with the detection pipe 502, so that a pre-drying is completed before the detection, thereby preventing the water drops outside the valve body 11 and the water vapor inside the detection cover 4 from affecting the detection result, and realizing the high-accuracy detection.
Reference is made to fig. 1-13; transfer assembly, a material loading and unloading for valve body 11, including installing the transfer platform 9 in examining test table 1 one side, and transfer platform 9 is located and examines between test table 1 and the conveyer belt 10, it has dwang 17 to rotate to install on the transfer platform 9, and transfer platform 9 bottom is equipped with and drives dwang 17 pivoted servo motor dwang 17 lateral wall on slidable mounting respectively have first mounting bracket 1701 and second mounting bracket 1702, all rotate on first mounting bracket 1701 and the second mounting bracket 1702 and install rotor plate 18 (it is worth noting, the rotation junction of rotor plate 18 is equipped with the coil spring, with this convenient the resetting), and install on the rotor plate 18 and transfer frame 1801, when first mounting bracket 1701 rotates to examining test table 1, rotor plate 18 that is located on first mounting bracket 1701 loses limiting, when first mounting bracket 1701 rotates to conveyer belt 10, rotor plate 18 that is located on first mounting bracket 1701 is by the unable rotation of spacing, when second mounting bracket 1702 rotates to examining test table 1, rotor plate 18 that is located on second mounting bracket 1702 is spacing, when second mounting bracket 1702 rotates to conveyer belt 10, be located the spacing 18 on the first mounting bracket 1701 loses limiting 1701. The transfer assembly further comprises a first slot 1707 formed in the first mounting frame 1701, a first limiting plate 1703 is movably inserted in the first slot 1707, a first magnet 1705 is fixedly mounted at one end, close to the rotating rod 17, of the first limiting plate 1703, a second slot 1708 is formed in the second mounting frame 1702, a second limiting plate 1704 is movably inserted in the second slot 1708, a second magnet 1706 is fixedly mounted at one end, close to the rotating rod 17, of the second limiting plate 1704, a sliding groove 1709 is formed in the rotating rod 17, a third magnet 1710 and a fourth magnet 1711 are fixedly mounted in the sliding groove 1709, the first magnet 1705 and the third magnet repel each other and attract each other with the fourth magnet 1711, the second magnet 1706 and the third magnet 1710 attract each other and repel each other with the fourth magnet 1711, a guide pipe 16 for guiding the first mounting frame 1702 and the second mounting frame 1702 is fixedly mounted on the transfer platform 9, the guide pipe 16 is sleeved on the guide pipe 17, an inclined plane 1601 is sequentially arranged at the top end of the guide pipe 16, the first plane 1603 and the second plane 1603 and the recovery box 12 is mounted below the recovery box 1603 and is provided with a recovery box 12.
In order to facilitate loading and unloading, the present solution is provided with a transfer table 9 at one side of the inspection table 1, the rotating rod 17 is driven by a servo motor to rotate, the rotating rod 17 drives the first mounting frame 1701 and the second mounting frame 1702 to rotate, it is noted that the first mounting frame 1701 and the second mounting frame 1702 are identical in shape and size, the first limiting plate 1703 in the first mounting frame 1701 is identical in shape and size, the second limiting plate 1704 in the first mounting frame 1702 is also identical in size, the first mounting frame 1701 and the second mounting frame 1702 are different in that the first magnet 1705 and the second magnet 1706 are mounted at the end portions of the first limiting plate 1703 and the second limiting plate 1704, the magnetic poles of the first magnet 1705 and the second magnet 1706 are opposite (as shown in fig. 11), the magnetic poles of the third magnet 1710 and the fourth magnet 1711 in the corresponding chute 1709 are opposite (as shown in fig. 12), such a placement manner is that when the first mounting frame 1701 is above the chute 9 and aligned with the third magnet 1710, the first magnet 1705 and the third magnet 1701 repel each other, and the first magnet 1703 cannot rotate under the rotating plate 1710; when the first mounting frame 1701 is below the sliding slot 1709 and aligned with the fourth magnet 1711, the first magnet 1705 and the fourth magnet 1711 attract each other, the first limiting plate 1703 loses contact with the rotating plate 18 under the action of the attraction force, and the rotating plate 18 can rotate at the moment. Conversely, when the second mounting bracket 1702 is positioned above the chute 1709 and aligned with the third magnet 1710, the second magnet 1706 attracts the third magnet 1710, the second limit plate 1704 moves away from the corresponding pivotal plate 18 by attraction, and when the second mounting bracket 1702 is positioned below the chute 1709 and aligned with the fourth magnet 1711, the second limit plate 1704 moves away from the corresponding pivotal plate 18 by repulsion.
In order to adjust the positions of the first mounting frame 1701 and the second mounting frame 1702 on the chute 1709, a guide tube 16 is arranged outside the rotating rod 17, and a slope 1601 (the starting point of the slope 1601 is the position of the pushing block 19, and the ending point is the position of the valve body 11 to be measured of the conveyor belt 10), a first plane 1602 (the initial position of the first plane 1602 is the position of the valve body 11 to be measured on the conveyor belt 10, and the ending point is the central position of the sealing seat 2 on the detection platform 1) and a second plane 1603 (the initial position of the second plane 1603 is the central position of the sealing seat 2, and the ending point is located at the pushing block 19) are sequentially arranged on the top of the guide tube 16, so that the whole feeding and discharging process is as the process of fig. 6-8. As shown in fig. 6, the first mounting frame 1701 is located on the first plane 1602, and the first limiting plate 1703 is clamped to the corresponding rotating plate 18, so that the valve body 11 on the conveyor belt 10 can be lifted and transferred to the inspection station 1 by the corresponding transfer frame 1801; while the second mounting block 1702 is now at the end of the second plane 1603, the second limiting plate 1704 will also catch the corresponding rotating plate 18, which is now available for discharge.
As shown in fig. 7, the first mounting frame 1701 is on the second plane 1603, where the first limit plate 1703 does not limit the rotation plate 18, where the valve body 11 is on the seal seat 2 on the inspection station 1, and where the transfer frame 1801 on the first mounting frame 1701 may rotate, i.e., the transfer frame 1801 is separated from the valve body 11; at this time, the second mounting block 1702 is located on the first plane 1602, and the second limit plate 1704 cancels the limit function of the corresponding rotating plate 18, i.e., the transfer frame 1801 on the second mounting block 1702 does not affect the valve body 11 on the conveyor belt 10.
It should be noted that, a recycling box 12 is disposed below the transfer table 9, a pushing block 19 is disposed on an outer wall of the recycling box 12, the second mounting frame 1702 supports the valve body 11 after the detection from the detection table 1 and moves to the pushing block 19 (in the whole process, the valve body 11 moves on the first plane 1602, and the second limiting plate 1704 plays a limiting role), and the pushing block 19 pushes the bottom of the valve body 11 to rotate and fall into the recycling box 12 below (as shown in fig. 13), so as to complete the discharging.
Reference is made to fig. 1-13; the inner ring surface of the transfer frame 1801 is provided with a receiving groove, the receiving groove is internally provided with a second air bag 1805, the transfer frame 1801 is symmetrically provided with two reinforcing grooves 1802, the reinforcing grooves 1802 are internally provided with a slide block 1804 in a sliding manner, the reinforcing grooves 1802 are internally provided with a first air bag 1803, one end of the first air bag 1803 is connected with the slide block 1804, and the other end of the first air bag 1803 is communicated with the second air bag 1805.
The valve body 11 presses the second air bag 1805 to extrude the air in the second air bag 1805 into the first air bag 1803, the first air bag 1803 extends, and the push-out sliding block 1804 is clamped on the valve body 11, so that the stability during transfer is improved.
Reference is made to fig. 1-13; a third piston tube 13 is fixedly installed on the detection table 1, a third piston rod 1301 is movably inserted into the upper end of the third piston tube 13, a pressing plate 1302 is installed at the upper end of the third piston rod 1301, a fourth piston tube 1303 is arranged below the detection table 1, a fourth piston rod 1304 is movably inserted into the upper end of the fourth piston tube 1303, a lower sealing block 204 is fixedly installed at the upper end of the fourth piston rod 1304, a pressure detector is arranged in the lower sealing block 204, a second connecting tube 1305 is connected between the fourth piston tube 1303 and the third piston tube 13, an upper sealing block 401 is installed on the inner top wall of the detection cover 4, second piston tubes 205 are fixedly installed on two sides of the lower sealing block 204, a second piston rod 206 is movably inserted into the upper end of the second piston tube 205, the top end of the second piston rod 206 is fixedly installed on the bottom wall of the detection table 1, a ring tube is arranged on the sealing seat 2, a plurality of first piston tubes 202 are connected onto the inner ring of the ring tube, a first piston rod is movably inserted into the end of the first piston tube 202, a positioning plate is fixedly installed on the end of the first piston rod, and a positioning plate 207 is connected between the ring tube 203 and the second connecting tube 207.
The lifting plate 3 moves downwards to press the pressing plate 1302 to move downwards, the pressing plate 1302 drives the third piston rod 1301 to move downwards to enter the third piston tube 13, gas in the third piston tube 13 is pressed into the fourth piston tube 1303, the fourth piston rod 1304 moves upwards to jack the lower sealing block 204 to block one end of the valve body 11, sealing is completed, the upper sealing block 401 matched with the inner top wall of the downward-moving detection cover 4 completes blocking of two ends of the valve body 11, and detection is convenient.
Further, when the lower sealing block 204 moves upwards, the two second piston tubes 205 are driven to move upwards, gas in the second piston tubes 205 is pressed into the annular tubes, the annular tubes transmit the gas into the first piston tubes 202, the first piston rods are pushed out of the first piston tubes 202, and the valve body 11 is pushed to the center of the sealing seat 2 by the aid of the plurality of positioning plates 203 (the first piston tubes 202 and the positioning plates 203 are both distributed annularly), so that subsequent sealing is facilitated.
A fire valve water pressure resistance detection method comprises the following steps:
s1: placing a valve body 11 to be tested on a conveyor belt 10, and feeding materials through the conveyor belt 10;
s2: the servo motor drives the rotating rod 17 to rotate, the rotating rod 17 drives the first mounting frame 1701 and the second mounting frame 1702 to rotate, and the transfer frame 1801 on the first mounting frame 1701 transfers the valve body 11 on the conveyor belt 10 to the detection table 1;
s3: the lifting plate 3 drives the detection cover 4 to move downwards, the valve body 11 is covered by matching with the sealing seat 2, two ends of the valve body 11 are sealed, water is led to the valve body 11 through the high-pressure water pump 6, and water pressure is boosted once at intervals;
s4: starting the fan 7 and the heater 8, when water leakage occurs in the valve body 11, evaporating the outer wall of the valve body 11 by using hot air, absorbing water vapor by the water absorption beads 508, extruding and contacting the electrodes 509 after the water absorption beads 508 expand, electrifying the prompting lamp 510 to give a water leakage prompt, stopping testing, and driving the detection cover 4 to move upwards through the lifting plate 3;
s5: the servo motor is started again, and the rotating rod 17 drives the second mounting frame 1702 to move the valve body 11 which is detected completely out of the detection table 1.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a fire control valve water pressure resistance detection device, is including examining test table (1), conveyer belt (10) and placing valve body (11) on conveyer belt (10), its characterized in that still includes:
the device comprises a sealing seat (2) which is arranged on a detection table (1), a fixed frame (14) is fixedly arranged on one side of the detection table (1), a lifting plate (3) is slidably arranged on the fixed frame (14), a detection cover (4) is arranged below the lifting plate (3), a fan (7) is arranged on the lifting plate (3), the fan (7) is communicated with the detection cover (4), and a heater (8) is arranged at an air outlet of the fan (7);
the detection assembly (5) is used for detecting water vapor inside the detection cover (4) and comprises an air outlet pipe arranged on one side of the detection cover (4), a ball valve (501) is arranged at the air outlet of the air outlet pipe, one end of the ball valve (501) is connected with a detection pipe (502), a filter screen (506) is arranged in the detection pipe (502), a plurality of water absorption beads (508) are arranged above the filter screen (506), a contact electrode (509) is arranged above the water absorption beads (508), a prompt lamp (510) electrically connected with the contact electrode (509) is arranged on the detection pipe (502), and a ventilation hole (507) is formed in the inner wall of the detection pipe (502);
the transfer assembly is used for feeding and discharging the valve body (11) and comprises a transfer table (9) arranged on one side of the detection table (1), and the transfer table (9) is positioned between the detection table (1) and the conveyor belt (10), the transfer table (9) is rotatably provided with a rotating rod (17), and the bottom of the transfer table (9) is provided with a servo motor which drives the rotating rod (17) to rotate, a first mounting frame (1701) and a second mounting frame (1702) are respectively arranged on the side wall of the rotating rod (17) in a sliding way, the first mounting frame (1701) and the second mounting frame (1702) are both provided with rotating plates (18) in a rotating way, and a transfer frame (1801) is arranged on the rotating plate (18), when the first mounting frame (1701) rotates to the detection platform (1), the rotating plate (18) on the first mounting frame (1701) loses the limiting function, when the first mounting frame (1701) rotates to the conveyor belt (10), the rotating plate (18) on the first mounting frame (1701) is limited and cannot rotate, when the second mounting rack (1702) rotates to the detection platform (1), the rotating plate (18) positioned on the first mounting rack (1702) is limited, when the second mounting frame (1702) rotates to the conveyor belt (10), the rotating plate (18) on the first mounting frame (1701) loses the limiting effect.
2. The fire valve water pressure resistance detection device according to claim 1, wherein the detection assembly (5) further comprises a gas release pipe (503) connected to the ball valve (501) at the other end, a water absorption sponge is arranged at the gas outlet of the gas release pipe (503), a gear (505) is fixedly mounted on a switch of the ball valve (501), a rack (504) matched with the gear (505) is fixedly mounted on the lifting plate (3), and the detection cover (4) and the lifting plate (3) are connected through an elastic rod (402).
3. The fire valve water pressure resistance detection device according to claim 1, wherein the transfer assembly further comprises a first slot (1707) formed in the first mounting frame (1701), a first limiting plate (1703) is movably inserted into the first slot (1707), the first limiting plate (1703) is close to one end of the rotating rod (17) and fixedly provided with a first magnet (1705), a second slot (1708) is formed in the second mounting frame (1702), a second limiting plate (1704) is movably inserted into the second slot (1708), the second limiting plate (1704) is close to one end of the rotating rod (17) and fixedly provided with a second magnet (1706), a chute (1709) is formed in the rotating rod (17), a third magnet (1710) and a fourth magnet (1711) are fixedly provided in the chute (1709), the first magnet (1705) is repelled with the third magnet (1710) and attracted with the fourth magnet (1711), the second magnet (1706) is repelled with the third magnet (1710), the second magnet (1710) is also attracted with the fourth magnet (1711), and the guide pipe (16) is arranged on the guide mounting frame (1701) and sleeved with the second magnet (1702).
4. The water pressure resistant detection device of the fire valve as recited in claim 3, wherein the top end of the guide pipe (16) is provided with a slope (1601), a first plane (1602) and a second plane (1603) in sequence, and the first plane (1602) is higher than the second plane (1603).
5. The fire valve water pressure resistance detection device according to claim 1, wherein a receiving groove is formed in an inner annular surface of the transfer frame (1801), a second air bag (1805) is arranged in the receiving groove, two reinforcing grooves (1802) are symmetrically formed in the transfer frame (1801), a slider (1804) is slidably mounted in each reinforcing groove (1802), a first air bag (1803) is arranged in each reinforcing groove (1802), one end of each first air bag (1803) is connected with the slider (1804), and the other end of each first air bag (1803) is communicated with the second air bag (1805).
6. The fire valve water pressure resistance detection device according to claim 1, characterized in that a third piston pipe (13) is fixedly mounted on the detection table (1), a third piston rod (1301) is movably inserted into the upper end of the third piston pipe (13), a pressing plate (1302) is mounted at the upper end of the third piston rod (1301), a fourth piston pipe (1303) is arranged below the detection table (1), a fourth piston rod (1304) is movably inserted into the upper end of the fourth piston pipe (1303), a lower sealing block (204) is fixedly mounted at the upper end of the fourth piston rod (1304), a pressure detector is arranged in the lower sealing block (204), a second connecting pipe (1305) is connected between the fourth piston pipe (1303) and the third piston pipe (13), and an upper sealing block (401) is mounted on the inner top wall of the detection cover (4).
7. The fire valve water pressure resistance detection device according to claim 6, wherein a second piston pipe (205) is fixedly installed on two sides of the lower sealing block (204), a second piston rod (206) is movably inserted into the upper end of the second piston pipe (205), the top end of the second piston rod (206) is fixedly installed on the bottom wall of the detection table (1), the sealing seat (2) is provided with a ring pipe, the inner ring of the ring pipe is connected with a plurality of first piston pipes (202), the end of each first piston pipe (202) is movably inserted with a first piston rod, the end of each first piston rod is fixedly installed with a positioning plate (203), and a first connection pipe (207) is connected between the ring pipe and the second piston pipe (205).
8. The fire valve water pressure resistance detection device as claimed in claim 1, wherein one side of the fixing frame (14) is provided with an electric push rod (15) for driving the lifting plate (3) to move up and down.
9. The fire valve water pressure resistance detection device as claimed in claim 1, wherein a recovery box (12) is arranged below the transfer table (9), and a material pushing block (19) is fixedly arranged on the inner wall of the recovery box (12).
10. A method of testing adapted for use with the test device of any one of claims 1-9, comprising the steps of:
s1: placing a valve body (11) to be tested on a conveyor belt (10), and feeding materials through the conveyor belt (10);
s2: the servo motor drives the rotating rod (17) to rotate, the rotating rod (17) drives the first mounting frame (1701) and the second mounting frame (1702) to rotate, and the transfer frame (1801) on the first mounting frame (1701) transfers the valve body (11) on the conveyor belt (10) to the detection platform (1);
s3: the lifting plate (3) drives the detection cover (4) to move downwards, the valve body (11) is covered by the sealing seat (2) in a matching way, two ends of the valve body (11) are sealed, water is introduced into the valve body (11) through the high-pressure water pump (6), and water pressure is boosted once at intervals;
s4: starting a fan (7) and a heater (8), when water leakage occurs in the valve body (11), evaporating the outer wall of the valve body (11) by using hot air, absorbing water vapor by the water absorption beads (508), extruding and contacting the electrodes (509) after the water absorption beads (508) expand, electrifying the prompting lamp (510), sending a water leakage prompt, stopping testing, and driving the detection cover (4) to move upwards through the lifting plate (3);
s5: the servo motor is started again, and the rotating rod (17) drives the second mounting frame (1702) to move the valve body (11) which is detected completely out of the detection table (1).
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| CN202310031088.2A CN115791029B (en) | 2023-01-10 | 2023-01-10 | Fire valve water pressure resistance detection device and detection method |
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| CN202310031088.2A CN115791029B (en) | 2023-01-10 | 2023-01-10 | Fire valve water pressure resistance detection device and detection method |
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| CN115791029B (en) | 2023-04-21 |
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