A vertical metal bellows bending anti-leakage performance test device

Abstract

The present invention relates to the technical field of bellows detection, and discloses a vertical metal bellows bending anti-leakage performance test device, comprising a base plate, the upper surface of the base plate is fixedly connected to a pillar, the top of the pillar is fixedly connected to a top plate, the front side of the pillar is fixedly connected to a mounting plate, the front side of the mounting plate is rotatably connected to a ball screw, and the upper surface of the base plate is fixedly connected to a guide rod. In the present invention, a positioning half-hoop and a fixed circular plate clamp the flange at one end of the bellows, thereby improving the clamping stability of the device on the bellows, thereby improving the detection stability and effect, the arc block is squeezed by the resistance of the bellows to squeeze the limit plate, and the limit plate then squeezes the spring sheet, thereby facilitating the insertion of the bellows into the positioning half-hoop, thereby improving the convenience of use, and the elasticity of the nylon belt and the spring sheet drives the limit plate and the arc block to reset and clamp the bellows, thereby further improving the clamping stability.

Description

Technical Field

[0001] The invention relates to the technical field of bellows detection, in particular to a vertical metal bellows bending anti-leakage performance testing device. Background Art

[0002] The vertical metal bellows is a sealing device made of a seamless or welded thin-walled metal tube, usually composed of a series of annular metal layers and corrugated layers alternately stacked, with high compressibility and flexibility. This structure enables the vertical metal bellows to effectively withstand the influence of temperature, pressure, vibration and other factors, ensuring the safety and reliability of the pipeline system. The vertical metal bellows generally needs to be subjected to a bending anti-leakage performance test before delivery and use. When conducting a bending test on the vertical metal bellows, it is necessary to clamp and fix both ends of the vertical metal bellows first. The existing technology has poor clamping effect on the vertical metal bellows and is cumbersome to operate, resulting in poor stability of the vertical metal bellows during the test.

[0003] The patent with announcement number CN112146995B discloses a vertical metal bellows bending anti-leakage performance test device, which includes a bracket assembly, a test assembly, and a clamping assembly; the test assembly includes an upper fixing assembly, a bending assembly, and a lower fixing assembly which are sequentially installed on the upper, middle, and lower parts of the bracket assembly, and the upper fixing assembly, the bending assembly, and the lower fixing assembly can all move laterally, and the bending assembly can also move vertically. The clamping assembly is clamped at both ends of the bellows and one is installed on each of the upper fixing assembly and the lower fixing assembly. The vertical clamping structure of the clamping assembly for the bellows meets the requirements of the new regulations, and is passed The metal bellows is bent by adopting a stepper motor drive, and the bending test is fully controlled by a software program, so that the bending accuracy of the tube body is higher, the arc is closer to the standard shape, and the test data obtained is more accurate. Thanks to the use of stepper motors and software programs, the entire test operation is more convenient. Although this patent solves the above problems, there are still problems that the bellows is completely fixed by flexible clamping, the fixing effect is not good enough, and the clamping process requires manual adjustment of multiple parts, which is not convenient to use. Therefore, a vertical metal bellows bending anti-leakage performance test device is proposed to solve the above problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a vertical metal bellows bending anti-leakage performance test device in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a vertical metal bellows bending anti-leakage performance test device, including a base plate, the upper surface of the base plate is fixedly connected to a pillar, the top of the pillar is fixedly connected to a top plate, the front side of the pillar is fixedly connected to a mounting plate, the front side of the mounting plate is rotatably connected to a ball screw, the upper surface of the base plate is fixedly connected to a guide rod, the circumferential surface of the ball screw is threadedly connected to a lifting plate, the front side of the lifting plate is fixedly connected to a double-motor linear motor, the right moving end of the double-motor linear motor is fixedly connected to a first moving seat, the front side of the first moving seat is rotatably connected to a roller, and the base plate The upper surface is fixedly connected with a fixed slide rail, the inner surface of the fixed slide rail is slidably connected with a first slider, the end of the first slider away from the fixed slide rail is hinged with a fixed circular plate, the inner surface of the fixed slide rail is rotatably connected with an adjusting screw, the circumferential surface of the adjusting screw is threadedly connected with a connecting plate, the left side of the connecting plate is hinged with a positioning half clamp, the side of the positioning half clamp away from the fixed circular plate is fixedly connected with a spring sheet, the side of the spring sheet is fixedly connected with a limiting plate, the side of the limiting plate away from the spring sheet is fixedly connected with an arc block, the side of the spring sheet away from the limiting plate is fixedly connected with a nylon belt, and a device for spraying water on the corrugated pipe to test the anti-seepage of the corrugated pipe is provided above the bottom plate. A stamping leakage detection device with good leakage performance, an anti-splashing device is arranged above the bottom plate for preventing water from splashing outside the device when conducting an anti-leakage test, the bottom end of the ball screw is fixedly connected with a motor, and the rear side of the motor is fixedly connected to the front side of the mounting plate, the top end of the guide rod is fixedly connected to the lower surface of the top plate, the circumferential surface of the guide rod is slidably connected to the inner side of the lifting plate, the fixed slide rail is fixedly connected to the lower surface of the top plate, the motor is started, the motor drives the ball screw to rotate, the ball screw drives the lifting plate to rise or fall, the double-acting linear motor is started, the double-acting linear motor drives the first moving seat to move left and right, the first moving seat drives the roller to move left and right, when the roller moves the bellows When clamped, it can drive different parts of the bellows to perform bending tests, rotate to open the positioning half hoop, insert one end of the bellows into the positioning half hoop and contact with the fixed circular plate, and then rotate to close the positioning half hoop. At this time, rotate the adjusting screw, and the adjusting screw drives the connecting plate to move downward, and the connecting plate drives the positioning half hoop to move downward, so that the positioning half hoop and the fixed circular plate clamp the flange at one end of the bellows. When the bellows is inserted into the positioning half hoop, its circumferential surface contacts the arc block, and the arc block is squeezed by the resistance of the bellows and squeezes the limit plate, and the limit plate squeezes the spring plate. When the bellows is completely inserted into the positioning half hoop, the elasticity of the nylon belt and the spring plate drives the limit plate and the arc block to reset and clamp the bellows.

[0006] Preferably, the stamping leakage detection device comprises an L-shaped fixing plate, a bidirectional screw, a fixing piece, and a second movable seat, wherein the L-shaped fixing plate is arranged above the bottom plate, the bidirectional screw is rotatably connected to the top inner surface of the L-shaped fixing plate, the two fixing pieces are threadedly connected to the circumferential surface of the bidirectional screw, and the second movable seat is fixedly connected to the left movable end of the double-moving linear motor, and the stamping leakage detection device also comprises a second sliding block, a movable slide rail, a sliding block, a U-shaped clamping plate, a transmission clamping plate, and a connecting piece, the second sliding block is fixedly connected to the rear side surface of the L-shaped fixing plate, the two sliding blocks are slidably connected to the inner surface of the fixed slide rail, the movable slide rail is fixedly connected between the two sliding blocks, the U-shaped clamping plate is fixedly connected to the rear side surface of the L-shaped fixing plate, the transmission clamping plate is fixedly connected to the front side surface of the second movable seat, the connecting piece is fixedly connected to the bottom end of the L-shaped fixing plate, the second sliding block is slidably connected to the inner surface of the movable slide rail, the inner surface of the U-shaped clamping plate and the outer surface of the movable slide rail are in contact with each other, and the transmission clamping plate and the movable slide rail are in contact with each other on the left and right sides. The U-shaped clamping plate and the transmission card plate are in contact with each other at the upper and lower sides, and the bottom end of the bidirectional screw is rotatably connected to the upper surface of the connecting piece, and the test nozzle is inserted into the two fixing pieces for fixing. After the nozzle is fixed, water is sprayed to stamp the bellows, thereby testing the anti-leakage performance of the bellows, and the bidirectional screw is rotated forward or reversely, and the bidirectional screw drives the two fixing pieces to approach or move away from each other, and the double-acting sub-linear motor is started, and the double-acting sub-linear motor drives the second moving seat to move left and right, and the second moving seat drives the transmission card plate to move left and right, and the transmission card plate drives the moving slide rail and the slide plate to slide left and right in the fixed slide rail, and the moving slide rail drives the second slider to move left and right, and the second slider drives the L-shaped fixed plate to move left and right, and the L-shaped fixed plate drives the fixing piece and the nozzle to move left and right through the bidirectional screw, and the ball screw rotates to drive the lifting plate and the double-acting sub-linear motor to move up and down, and the double-acting sub-linear motor drives the second moving seat and the transmission card plate to move up and down, and the transmission card plate drives the U-shaped clamping plate and the L-shaped fixed plate to move up and down, and the L-shaped fixed plate drives the fixing piece and the nozzle to move up and down through the bidirectional screw.

[0007] Preferably, the anti-splashing device includes a reel, a transparent waterproof curtain, and a U-shaped lifting slide rail, the reel is hinged on the side surface of the pillar, the top of the transparent waterproof curtain is fixedly connected to the circumferential surface of the reel, and the U-shaped lifting slide rail is fixedly connected to the bottom end of the transparent waterproof curtain. The anti-splashing device also includes a connecting shaft, a transmission frame, a rotating rod, and a sponge roller. The connecting shaft is fixedly connected to the lower surface of the connecting piece, the transmission frame is fixedly connected to the bottom end of the connecting shaft, the rotating rod is rotatably connected to the side surface of the pillar, the sponge roller is fixedly connected to the circumferential surface of the rotating rod, a torsion spring is provided at the connection between the reel and the pillar, the U-shaped lifting slide rail is slidably connected to the outer surface of the pillar, the circumferential surface of the sponge roller and the surface of the transparent waterproof curtain are in contact with each other, the transmission frame is slidably connected to the inner surface of the U-shaped lifting slide rail, and the two sides of the movable slide rail are in contact with the inner surface of the transmission frame. The lifting slide rail slides up and down on the surface of the pillar, and the U-shaped lifting slide rail drives the transparent waterproof curtain to move up and down. When the U-shaped lifting slide rail moves downward, the transparent waterproof curtain is mobilized to move downward and the reel rotates. The rotation of the reel allows the transparent waterproof curtain to continue to stretch downward. After the transparent waterproof curtain stretches downward, it can block the splashing direction of the nozzle. The L-shaped fixed plate moves up and down to drive the connecting part to move up and down, and the connecting part drives the connecting shaft to move up and down. The connecting shaft drives the transmission frame to move up and down, and the transmission frame then drives the U-shaped lifting slide rail and the transparent waterproof curtain to move up and down, so that the transparent waterproof curtain can always cover the area around the nozzle and rise and fall with the nozzle. When the anti-leakage test is completed, the connecting part drives the U-shaped lifting slide rail and the transparent waterproof curtain to rise through the connecting shaft and the transmission frame. When the transparent waterproof curtain rises, it contacts the sponge roller, and the sponge roller absorbs the water droplets adhering to the transparent waterproof curtain.

[0008] The present invention adopts the above technical solution to bring the following beneficial effects: 1. The vertical metal bellows bending anti-leakage performance test device, the positioning half clamp and the fixed circular plate clamp the flange at one end of the bellows, which improves the clamping stability of the device on the bellows, thereby improving the detection stability and effect. The arc block is squeezed by the bellows and then squeezes the limit plate, and the limit plate squeezes the spring piece, so that the bellows can be inserted into the positioning half clamp, which improves the convenience of use. The elasticity of the nylon belt and the spring piece drives the limit plate and the arc block to reset and clamp the bellows, further improving the clamping stability.

[0009] 2. The vertical metal bellows bending anti-leakage performance test device has two fixing parts that move closer or farther away from each other to clamp and fix nozzles of different diameters and models, which improves the applicability of the device. The fixing parts and the nozzle move left and right to change the distance and water pressure between the nozzle and the bellows, which improves the test effect. The fixing parts and the nozzle move up and down to quickly adjust the position of the nozzle, which facilitates the nozzle to punch different positions of the bellows, further improving the test effect.

[0010] 3. The vertical metal bellows bending anti-leakage performance test device, the transparent waterproof curtain can block the splashing direction of the nozzle after extending downward, preventing water from splashing around when the nozzle sprays water. The transparent waterproof curtain can always cover the area around the nozzle and rise and fall with the nozzle, which improves the convenience of use. The sponge roller absorbs the water droplets adhering to the transparent waterproof curtain to prevent the water droplets from continuing to drip downward after the transparent waterproof curtain is retracted. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the three-dimensional overall structure of the present invention; Figure 2 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the present invention; Figure 3 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the bottom plate of the present invention; Figure 4 For the present invention Figure 3 A is a schematic diagram of the enlarged structure of the middle part; Figure 5 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the punching leakage detection device of the present invention; Figure 6 It is a schematic diagram of the rear side cross-sectional three-dimensional structure of a partial structure of the punching leakage detection device of the present invention; Figure 7 For the present invention Figure 6 Schematic diagram of the enlarged structure of B; Figure 8 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the splash prevention device of the present invention; Fig. 9 For the present invention Figure 8 Schematic diagram of the enlarged structure of C in the figure.

[0012] In the figure: 1, bottom plate; 2, pillar; 3, top plate; 4, mounting plate; 5, ball screw; 51, guide rod; 52, lifting plate; 53, double-acting linear motor; 54, first moving seat; 55, roller; 56, first slider; 57, fixed circular plate; 58, adjusting screw; 59, connecting plate; 510, positioning half hoop; 511, spring; 512, limit plate; 513, arc block; 514, nylon belt; 6, fixed slide rail; 7 , stamping leakage detection device; 71, L-shaped fixing plate; 72, bidirectional screw; 73, fixing piece; 74, second movable seat; 75, second slider; 76, movable slide rail; 77, slide plate; 78, U-shaped clamping plate; 79, transmission clamp plate; 710, connecting piece; 8, splash-proof device; 81, reel; 82, transparent waterproof curtain; 83, U-shaped lifting slide rail; 84, connecting shaft; 85, transmission frame; 86, rotating rod; 87, sponge roller. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0014] See also Figure 1-Figure 9 One embodiment of the present invention is: a vertical metal bellows bending anti-leakage performance test device, comprising a bottom plate 1, a support 2 is fixedly connected to the upper surface of the bottom plate 1, a top plate 3 is fixedly connected to the top of the support 2, a mounting plate 4 is fixedly connected to the front side of the support 2, a ball screw 5 is rotatably connected to the front side of the mounting plate 4, a guide rod 51 is fixedly connected to the upper surface of the bottom plate 1, a lifting plate 52 is threadedly connected to the circumferential surface of the ball screw 5, a double-acting linear motor 53 is fixedly connected to the front side of the lifting plate 52, a first moving seat 54 is fixedly connected to the right moving end of the double-acting linear motor 53, and the first moving seat 54 is fixedly connected to the right moving end of the double-acting linear motor 53. The front side of the seat 54 is rotatably connected with a roller 55, the upper surface of the bottom plate 1 is fixedly connected with a fixed slide rail 6, the inner surface of the fixed slide rail 6 is slidably connected with a first slider 56, the end of the first slider 56 away from the fixed slide rail 6 is hinged with a fixed circular plate 57, the inner surface of the fixed slide rail 6 is rotatably connected with an adjusting screw 58, the circumferential surface of the adjusting screw 58 is threadedly connected with a connecting plate 59, the left side of the connecting plate 59 is hinged with a positioning half hoop 510, the side of the positioning half hoop 510 away from the fixed circular plate 57 is fixedly connected with a spring piece 511, the side of the spring piece 511 is fixedly connected with a limiting plate 512, and the limiting plate 512 is far away from the fixing plate 57. An arc block 513 is fixedly connected to one side away from the spring piece 511, and a nylon belt 514 is fixedly connected to one side of the spring piece 511 away from the limit plate 512. The positioning half hoop 510 and the fixed circular plate 57 clamp the flange at one end of the bellows, thereby improving the clamping stability of the device on the bellows, thereby improving the detection stability and effect. A stamping leakage detection device 7 for spraying water on the bellows to test the anti-leakage performance of the bellows is arranged above the bottom plate 1. A splash-proof device 8 is arranged above the bottom plate 1 to prevent water from splashing outside the device when performing an anti-leakage test. The bottom end of the ball screw 5 is fixedly connected to The motor, and the rear side of the motor and the front side of the mounting plate 4 are fixedly connected, the top of the guide rod 51 and the lower surface of the top plate 3 are fixedly connected, the circumferential surface of the guide rod 51 and the inner side of the lifting plate 52 are slidably connected, the fixed slide rail 6 and the lower surface of the top plate 3 are fixedly connected, and the arc block 513 is squeezed by the resistance of the bellows to squeeze the limit plate 512, and the limit plate 512 then squeezes the spring piece 511, so as to facilitate the insertion of the bellows into the positioning half clamp 510, thereby improving the convenience of use, and the elasticity of the nylon belt 514 and the spring piece 511 drives the limit plate 512 and the arc block 513 to reset and clamp the bellows, further improving the clamping stability.

[0015] Working principle: Start the motor, the motor drives the ball screw 5 to rotate, the ball screw 5 drives the lifting plate 52 to rise or fall, start the double-acting linear motor 53, the double-acting linear motor 53 drives the first moving seat 54 to move left and right, the first moving seat 54 drives the roller 55 to move left and right, when the roller 55 clamps the bellows, it can drive different parts of the bellows to perform bending tests, rotate to open the positioning half hoop 510, insert one end of the bellows into the positioning half hoop 510 and contact with the fixed circular plate 57, and then rotate to close the positioning half hoop 510, at this time rotate the adjusting screw 58, the adjusting screw 58 drives the connecting plate 59 to move downward, and the connecting plate 59 drives the positioning half hoop 510 to move downward, Thereby, the positioning half hoop 510 and the fixed circular plate 57 clamp the flange at one end of the bellows, thereby improving the clamping stability of the device on the bellows, and further improving the detection stability and effect. When the bellows is inserted into the positioning half hoop 510, its circumferential surface contacts the arc block 513. The arc block 513 is pressed by the resistance of the bellows to squeeze the limit plate 512, and the limit plate 512 squeezes the spring piece 511, thereby facilitating the insertion of the bellows into the positioning half hoop 510 and improving the convenience of use. After the bellows is fully inserted into the positioning half hoop 510, the elasticity of the nylon belt 514 and the spring piece 511 drives the limit plate 512 and the arc block 513 to reset and clamp the bellows, further improving the clamping stability.

[0016] See also Figure 1-Figure 9On the basis of the above embodiment, in another embodiment of the present invention, the stamping leakage detection device 7 includes an L-shaped fixing plate 71, a bidirectional screw 72, a fixing piece 73, and a second movable seat 74. The L-shaped fixing plate 71 is arranged above the bottom plate 1, and the bidirectional screw 72 is rotatably connected to the inner surface of the top of the L-shaped fixing plate 71. The two fixing pieces 73 are threadedly connected to the circumferential surface of the bidirectional screw 72. The second movable seat 74 is fixedly connected to the left movable end of the double-motor linear motor 53. The two fixing pieces 73 are close to or away from each other to clamp and fix nozzles of different diameters and models, thereby improving the applicability of the device. The fixing piece 73 and the nozzle move left and right, thereby changing the distance and water pressure between the nozzle and the bellows, thereby improving the test effect. The stamping leakage detection device 7 also includes a second slider 75, a movable slide rail 76, a slide plate 77, a U-shaped clamping plate 78, a transmission card plate 79, and a connecting piece 710. The second slider 75 is fixedly connected to the rear side of the L-shaped fixed plate 71, the two sliders 77 are slidably connected to the inner surface of the fixed slide rail 6, the movable slide rail 76 is fixedly connected between the two sliders 77, the U-shaped clamping plate 78 is fixedly connected to the rear side of the L-shaped fixed plate 71, the transmission clamping plate 79 is fixedly connected to the front side of the second movable seat 74, the connecting piece 710 is fixedly connected to the bottom end of the L-shaped fixed plate 71, the second slider 75 is slidably connected to the inner surface of the movable slide rail 76, the inner surface of the U-shaped clamping plate 78 and the outer surface of the movable slide rail 76 are in contact with each other, the transmission clamping plate 79 and the movable slide rail 76 are in contact with each other on the left and right sides, the U-shaped clamping plate 78 and the transmission clamping plate 79 are in contact with each other on the upper and lower sides, the bottom end of the bidirectional screw 72 is rotatably connected to the upper surface of the connecting piece 710, the fixing piece 73 and the nozzle move up and down, so as to quickly adjust the position of the nozzle, which is convenient for the nozzle to stamp different positions of the bellows, further improving the test effect.

[0017] Working principle: insert the test nozzle into the two fixing parts 73 to fix it. After the nozzle is fixed, spray water to stamp the bellows to test the anti-leakage performance of the bellows. Rotate the bidirectional screw 72 forward or reversely. The bidirectional screw 72 drives the two fixing parts 73 to move closer or farther from each other, so as to clamp and fix nozzles of different diameters and models, thereby improving the applicability of the device. Start the double-acting linear motor 53. The double-acting linear motor 53 drives the second moving seat 74 to move left and right. The second moving seat 74 drives the transmission card plate 79 to move left and right. The transmission card plate 79 drives the moving slide rail 76 and the slide plate 77 to slide left and right in the fixed slide rail 6. The moving slide rail 76 drives the second slide block 75 to move left and right. The second slide block 75 The L-shaped fixing plate 71 is driven to move left and right, and the L-shaped fixing plate 71 then drives the fixing part 73 and the nozzle to move left and right through the bidirectional screw 72, thereby changing the distance and water pressure between the nozzle and the bellows, and improving the test effect. The ball screw 5 rotates to drive the lifting plate 52 and the double-acting linear motor 53 to move up and down, and the double-acting linear motor 53 drives the second moving seat 74 and the transmission clamp 79 to move up and down. The transmission clamp 79 drives the U-shaped clamp 78 and the L-shaped fixing plate 71 to move up and down. The L-shaped fixing plate 71 then drives the fixing part 73 and the nozzle to move up and down through the bidirectional screw 72, thereby quickly adjusting the position of the nozzle, making it convenient for the nozzle to stamp different positions of the bellows, and further improving the test effect.

[0018] See also Figure 1-Figure 9 On the basis of the above-mentioned embodiment, in another embodiment of the present invention, the anti-splash device 8 includes a reel 81, a transparent waterproof curtain 82, and a U-shaped lifting rail 83. The reel 81 is hinged on the side surface of the pillar 2, the top of the transparent waterproof curtain 82 is fixedly connected to the circumferential surface of the reel 81, and the U-shaped lifting rail 83 is fixedly connected to the bottom end of the transparent waterproof curtain 82. After the transparent waterproof curtain 82 extends downward, it can block the splashing direction of the nozzle to prevent the water from splashing around when the nozzle sprays water. The anti-splash device 8 also includes a connecting shaft 84, a transmission frame 85, a rotating rod 86, and a sponge roller 87. The connecting shaft 84 is fixedly connected to the lower surface of the connecting member 710, and the transmission frame 85 is fixedly connected to the bottom end of the connecting shaft 84. The rotating rod 86 is rotatably connected to the side surface of the pillar 2, the sponge roller 87 is fixedly connected to the circumferential surface of the rotating rod 86, a torsion spring is provided at the connection between the reel 81 and the pillar 2, the U-shaped lifting slide rail 83 is slidably connected to the outer surface of the pillar 2, the circumferential surface of the sponge roller 87 and the surface of the transparent waterproof curtain 82 are in contact with each other, the transmission frame 85 and the inner surface of the U-shaped lifting slide rail 83 are slidably connected, the two sides of the movable slide rail 76 and the inner surface of the transmission frame 85 are in contact with each other, the transparent waterproof curtain 82 can always cover the area around the nozzle and rise and fall with the nozzle, which improves the convenience of use, and the sponge roller 87 absorbs the water droplets adhering to the transparent waterproof curtain 82 to prevent the water droplets from continuously dripping down after the transparent waterproof curtain 82 is retracted.

[0019] Working principle: The U-shaped lifting rail 83 is slid up and down on the surface of the pillar 2, and the U-shaped lifting rail 83 drives the transparent waterproof curtain 82 to move up and down. When the U-shaped lifting rail 83 moves downward, the transparent waterproof curtain 82 is mobilized to move downward and the reel 81 is rotated. The rotation of the reel 81 allows the transparent waterproof curtain 82 to continue to stretch downward. After the transparent waterproof curtain 82 stretches downward, it can block the splashing direction of the nozzle to prevent water from splashing around when the nozzle sprays water. The L-shaped fixing plate 71 moves up and down to drive the connecting piece 710 to move up and down, and the connecting piece 710 drives the connecting shaft 84 to move up and down. The connecting shaft 84 drives The transmission frame 85 moves up and down, and the transmission frame 85 drives the U-shaped lifting rail 83 and the transparent waterproof curtain 82 to move up and down, so that the transparent waterproof curtain 82 can always cover the area around the nozzle and rise and fall with the nozzle, which improves the convenience of use. After the anti-leakage detection is completed, the connecting piece 710 drives the U-shaped lifting rail 83 and the transparent waterproof curtain 82 to rise through the connecting shaft 84 and the transmission frame 85. When the transparent waterproof curtain 82 rises, it contacts the sponge roller 87. The sponge roller 87 absorbs the water droplets adhering to the transparent waterproof curtain 82 to prevent the water droplets from continuing to drip downward after the transparent waterproof curtain 82 is retracted.

[0020] The present invention provides a vertical metal bellows bending anti-leakage performance test device. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A vertical metal bellows bending anti-leakage performance test device, comprising a bottom plate (1), characterized in that: The upper surface of the base plate (1) is fixedly connected to a support (2), the top of the support (2) is fixedly connected to a top plate (3), the front side of the support (2) is fixedly connected to a mounting plate (4), the front side of the mounting plate (4) is rotatably connected to a ball screw (5), the upper surface of the base plate (1) is fixedly connected to a guide rod (51), the circumferential surface of the ball screw (5) is threadedly connected to a lifting plate (52), the front side of the lifting plate (52) is fixedly connected to a double-acting linear motor (53), the right side moving end of the double-acting linear motor (53) is fixedly connected to a first moving seat (54), the front side of the first moving seat (54) is rotatably connected to a roller (55), the upper surface of the base plate (1) is fixedly connected to a fixed slide rail (6), the fixed slide rail (6) The inner surface is slidably connected to a first sliding block (56); one end of the first sliding block (56) away from the fixed slide rail (6) is hingedly connected to a fixed circular plate (57); the inner surface of the fixed slide rail (6) is rotatably connected to an adjusting screw (58); the circumferential surface of the adjusting screw (58) is threadedly connected to a connecting plate (59); a left side of the connecting plate (59) is hingedly connected to a positioning half hoop (510); a side of the positioning half hoop (510) away from the fixed circular plate (57) is fixedly connected to a spring sheet (511); a side of the spring sheet (511) is fixedly connected to a limiting plate (512); a side of the limiting plate (512) away from the spring sheet (511) is fixedly connected to an arc block (513); and a side of the spring sheet (511) away from the limiting plate (512) is fixedly connected to a nylon belt (514); A punching leakage detection device (7) for punching the bellows with water to test the anti-leakage performance of the bellows is arranged above the bottom plate (1), and a splash prevention device (8) for preventing water from splashing outside the device when performing the anti-leakage test is arranged above the bottom plate (1).

2. A vertical metal bellows bending anti-leakage performance test device according to claim 1, characterized in that: The bottom end of the ball screw (5) is fixedly connected to a motor, and the rear side of the motor is fixedly connected to the front side of the mounting plate (4), the top end of the guide rod (51) is fixedly connected to the lower surface of the top plate (3), the circumferential surface of the guide rod (51) is slidably connected to the inner side of the lifting plate (52), and the fixed slide rail (6) is fixedly connected to the lower surface of the top plate (3).

3. A vertical metal bellows bending anti-leakage performance test device according to claim 2, characterized in that: The stamping leakage detection device (7) comprises an L-shaped fixing plate (71), a bidirectional screw (72), a fixing member (73), and a second movable seat (74); the L-shaped fixing plate (71) is arranged above the bottom plate (1); the bidirectional screw (72) is rotatably connected to the inner surface of the top of the L-shaped fixing plate (71); the two fixing members (73) are threadedly connected to the circumferential surface of the bidirectional screw (72); and the second movable seat (74) is fixedly connected to the left movable end of the double-motor linear motor (53).

4. A vertical metal bellows bending anti-leakage performance test device according to claim 3, characterized in that: The stamping leakage detection device (7) further comprises a second slider (75), a movable slide rail (76), a slide plate (77), a U-shaped clamping plate (78), a transmission clamping plate (79), and a connecting member (710), wherein the second slider (75) is fixedly connected to the rear side of the L-shaped fixed plate (71), the two slide plates (77) are slidably connected to the inner surface of the fixed slide rail (6), the movable slide rail (76) is fixedly connected between the two slide plates (77), the U-shaped clamping plate (78) is fixedly connected to the rear side of the L-shaped fixed plate (71), the transmission clamping plate (79) is fixedly connected to the front side of the second movable seat (74), and the connecting member (710) is fixedly connected to the bottom end of the L-shaped fixed plate (71).

5. A vertical metal bellows bending anti-leakage performance test device according to claim 4, characterized in that: The second sliding block (75) is slidably connected to the inner surface of the movable slide rail (76), the inner surface of the U-shaped clamping plate (78) and the outer surface of the movable slide rail (76) are in contact with each other, the left and right sides of the transmission clamping plate (79) and the movable slide rail (76) are in contact with each other, the upper and lower sides of the U-shaped clamping plate (78) and the transmission clamping plate (79) are in contact with each other, and the bottom end of the bidirectional screw (72) is rotatably connected to the upper surface of the connecting member (710).

6. A vertical metal bellows bending anti-leakage performance test device according to claim 5, characterized in that: The anti-splash device (8) comprises a reel (81), a transparent waterproof curtain (82), and a U-shaped lifting slide rail (83); the reel (81) is hinged on the side surface of the support (2); the top end of the transparent waterproof curtain (82) is fixedly connected to the circumferential surface of the reel (81); and the U-shaped lifting slide rail (83) is fixedly connected to the bottom end of the transparent waterproof curtain (82).

7. A vertical metal bellows bending anti-leakage performance test device according to claim 6, characterized in that: The anti-splash device (8) further comprises a connecting shaft (84), a transmission frame (85), a rotating rod (86), and a sponge roller (87); the connecting shaft (84) is fixedly connected to the lower surface of the connecting member (710); the transmission frame (85) is fixedly connected to the bottom end of the connecting shaft (84); the rotating rod (86) is rotatably connected to the side surface of the support (2); and the sponge roller (87) is fixedly connected to the circumferential surface of the rotating rod (86).

8. A vertical metal bellows bending anti-leakage performance test device according to claim 7, characterized in that: A torsion spring is provided at the connection between the reel (81) and the support (2); the U-shaped lifting rail (83) is slidably connected to the outer surface of the support (2); the circumferential surface of the sponge roller (87) and the surface of the transparent waterproof curtain (82) are in contact with each other; the transmission frame (85) and the inner surface of the U-shaped lifting rail (83) are slidably connected; and both sides of the movable rail (76) and the inner surface of the transmission frame (85) are in contact with each other.

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