A rubber seal pressure relief detection device

Abstract

The present invention discloses a rubber seal pressure relief detection device, which solves the problem that the specifications of the connector of the existing device are fixed and single, and when the pressure relief detection is required for rubber seals of different specifications, the contact position of the rubber seal, the connector and the pipeline cannot be guaranteed to be fixed. The present invention comprises: a device main body, the device main body comprises a bearing base and a bearing limit seat; a pressure relief detection mechanism; the pressure relief detection mechanism comprises a pressure pump, a conducting pipe, a fixing pipe and a pressure relief valve, the end of the conducting pipe away from the pressure pump is fixedly connected with a transfer fixing component, a detection pipeline is arranged between the transfer fixing component and the fixing pipe, and the transfer fixing component comprises: an adapter and a sealing limit part; the adapter and the sealing limit part in the transfer fixing component of the present invention cooperate with each other to fix and support seals to be detected of different specifications, thereby avoiding the phenomenon of false detection due to the loosening and falling off of the seal to be detected during the pressure relief detection of the seal to be detected.

Description

Technical Field

[0001] The invention belongs to the technical field of rubber seal detection, and in particular relates to a rubber seal pressure relief detection device. Background Art

[0002] Rubber refers to a highly elastic polymer material with reversible deformation, and a rubber seal is a round rubber product. During the production process of rubber seals, it is necessary to use a detection device to test the sealing of the rubber seals, and the pressure needs to be relieved after the test to improve safety.

[0003] Chinese patent CN213068101U discloses a rapid pressure relief detection device for rubber seal production, including a base plate and two pressure gauges, the outer walls of the two pressure gauges are fixed with two fixing frames by bolts, the bottoms of the four fixing frames are fixedly connected with columns, the bottom ends of the columns are fixedly connected to the top of the base plate, the top of the base plate is fixedly connected with a fixing plate, the top of the fixing plate is fixedly connected with a cross tube, a pipeline is inserted in the cross tube, both ends of the pipeline are sleeved with rubber seals, both ends of the pipeline are sleeved with connectors, the inner walls of the two connectors are fixedly connected with transfer tubes. In the process of realizing the present invention, the inventor found that there are at least the following problems in the prior art: the specifications of the connectors of the existing device are fixed and single. When it is necessary to perform pressure relief detection on rubber seals of different specifications, it is impossible to ensure the fixation of the contact positions of the rubber seals, the connectors and the pipelines, resulting in poor detection effect and easy false detection. Based on this, we propose a rubber seal pressure relief detection device. Summary of the invention

[0004] The purpose of the present invention is to address the deficiencies in the prior art and provide a rubber seal pressure relief detection device, which solves the problem that the specifications of the connectors of the prior art devices are fixed and single, and when pressure relief detection is required for rubber seals of different specifications, the fixation of the contact positions of the rubber seals, connectors and pipelines cannot be guaranteed, resulting in poor detection effect.

[0005] The specifications of the connectors of the existing devices are fixed and single. When pressure relief detection is required for rubber seals of different specifications, the fixation of the rubber seals, connectors and pipe contact positions cannot be guaranteed, resulting in poor detection effect and prone to false detection. Based on this, we propose a rubber seal pressure relief detection device. In short, the device includes a device body, a pressure relief detection mechanism and an adapter fixing assembly. The device body includes a bearing base and a bearing limit seat, and the pressure relief detection mechanism includes a pressure pump, a conducting pipe, a fixing pipe and a pressure relief valve. A detection pipeline is arranged between the adapter fixing assembly and the fixing pipe. A seal to be detected is arranged at one end of the detection pipeline close to the adapter fixing assembly. The adapter fixing assembly includes an adapter and a sealing limit portion arranged in the adapter. When testing the seal to be tested, the seal to be tested is placed in the testing cavity, and then the sealing limit part is opened, the sealing limit part fixes the seals to be tested of different specifications, and then one end of the testing pipe is fixedly installed on the fixed pipe, and the other end of the testing pipe is inserted into the testing cavity and abuts against the seal to be tested, and then the pressure pump is turned on, and the pressure pump blows gas into the guide pipe, the fixed pipe and the testing pipe to achieve pressure relief detection of the seal to be tested. The embodiment of the present invention is provided with a transfer fixing assembly, in which the transfer joint and the sealing limit part work together to fix and support the seals to be tested of different specifications, thereby avoiding the phenomenon of false detection due to the loosening and falling of the seal to be tested during the pressure relief detection of the seal to be tested.

[0006] The present invention is implemented as follows: a rubber seal pressure relief detection device, the rubber seal pressure relief detection device comprising:

[0007] The device body comprises a bearing base and a bearing limit seat;

[0008] A pressure relief detection mechanism, the pressure relief detection mechanism is used to perform pressure relief detection on the sealing member to be detected;

[0009] The pressure relief detection mechanism includes a pressure pump, a conducting pipe, a fixed pipe and a pressure relief valve, wherein the pressure relief valve is installed on the fixed pipe, the conducting pipe is fixedly connected to the pressure pump, and an end of the conducting pipe away from the pressure pump is fixedly connected to a transfer fixing assembly, a detection pipeline is arranged between the transfer fixing assembly and the fixed pipe, and a sealing member to be detected is arranged at one end of the detection pipeline close to the transfer fixing assembly;

[0010] A transfer fixing assembly, which is used to fix detection pipes of different specifications and seals to be detected;

[0011] Wherein, the switching and fixing assembly comprises:

[0012] An adapter, one end of which is fixedly connected to the conducting tube, an inner limit ring is arranged inside the adapter, and a detection cavity is formed between the inner limit ring and the inner wall of the adapter;

[0013] A sealing limiter is arranged in the adapter, and is used to support and fix seals to be tested of different specifications.

[0014] Preferably, the pressure relief detection mechanism further includes:

[0015] A front-end sensor, wherein the front-end sensor is fixedly mounted on the conducting tube;

[0016] A rear end sensor, wherein the rear end sensor is fixedly installed in the fixed tube, and the front end sensor and the rear end sensor cooperate to perform pressure relief detection on the seal to be detected;

[0017] A tube displacement portion is arranged on the bearing base, the tube displacement portion is connected to the fixed tube, and the tube displacement portion is used to adjust the position of the fixed tube.

[0018] Preferably, the tube displacement portion comprises:

[0019] Displacement wheel;

[0020] A first screw rod, wherein the first screw rod is rotatably mounted on the bearing base, and one end of the first screw rod is fixedly connected to the displacement wheel;

[0021] A displacement slide seat is sleeved on the first screw rod, the displacement slide seat is fixedly connected to the fixing tube, and two ends of the displacement slide seat are respectively slidably connected to the bearing base.

[0022] Preferably, the sealing limiter comprises:

[0023] A first drive motor, wherein the first drive motor is fixedly installed in the conducting tube;

[0024] A limit transmission shaft fixedly connected to the output end of the first drive motor;

[0025] A driving turntable, the driving turntable is fixedly mounted on the end of the limit transmission shaft;

[0026] A guide turntable is arranged on one side of the driving turntable, and the guide turntable is fixedly installed in the inner limiting ring.

[0027] Preferably, the sealing limiter also includes:

[0028] At least one set of inner driving grooves, wherein the inner driving grooves are arranged in the driving turntable, and inner driving blocks are slidably mounted in the inner driving grooves;

[0029] At least one set of inner limit grooves, which are provided in the guide turntable and are also slidably connected to the inner drive block;

[0030] An inner push rod is detachably fixedly connected to the inner driving block, and one end of the inner push rod away from the inner driving block passes through the inner limiting ring and is fixedly connected to a sealing limiting seat.

[0031] Preferably, the transfer fixing assembly further includes:

[0032] An auxiliary positioning part, which is mounted on the adapter and is used to detect and determine the defect position of the seal to be detected;

[0033] A defect detection unit is installed in the fixed pipe.

[0034] Preferably, it also includes:

[0035] A main body driving part, the main body driving part is installed on the bearing base, and the main body driving part is used to drive the pressure relief detection mechanism to rotate, so as to cooperate with the defect detection part to perform defect detection on the seal to be detected;

[0036] Wherein, the main driving part comprises:

[0037] A second drive motor, wherein the second drive motor is fixedly mounted on the bearing base;

[0038] A driving gear fixedly connected to an output end of the second driving motor;

[0039] A driven gear ring is fixedly sleeved on the outside of the conducting tube, and the driven gear ring is meshed with the driving gear for transmission.

[0040] Preferably, the auxiliary positioning portion comprises:

[0041] An auxiliary positioning plate, the auxiliary positioning plate is rotatably mounted on the outside of the adapter, and a plurality of sets of external driving grooves are provided in the auxiliary positioning plate;

[0042] At least one set of external drive blocks, the external drive blocks are slidably mounted in the external drive slots, and the external drive blocks are detachably and fixedly connected to an external linkage seat;

[0043] An auxiliary positioning plate is fixedly connected to the external linkage seat, and the auxiliary positioning plate is arranged in the detection cavity.

[0044] Preferably, the auxiliary positioning portion further includes:

[0045] at least one set of disc locking grooves, the disc locking grooves being disposed in the auxiliary positioning disc;

[0046] An internal threaded barrel is installed on the adapter, wherein the internal thread of the internal threaded barrel is provided with a second screw rod, and the second screw rod is inserted into the disc locking groove to lock the auxiliary positioning disc.

[0047] Preferably, the defect detection unit comprises:

[0048] Detection wheel;

[0049] A third screw rod fixedly connected to the detection rotating wheel, wherein the third screw rod is rotatably mounted in the fixed tube;

[0050] A lifting thread block is sleeved on the third screw rod, a servo cylinder is fixedly mounted on the lifting thread block, a detection extrusion seat is fixedly mounted on the telescopic end of the servo cylinder, and a displacement sensor is embedded in the detection extrusion seat.

[0051] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0052] The embodiment of the present invention is provided with a transfer fixing assembly, in which the transfer joint and the sealing limit part work together to fix and support seals to be detected of different specifications, thereby avoiding the phenomenon of false detection due to loosening and falling of the seals to be detected during the pressure relief detection of the seals to be detected.

[0053] The embodiment of the present invention is provided with a tube displacement portion, which facilitates the flexible adjustment of the fixed tube position, so that detection pipes of different lengths can be fixed, and at the same time facilitates the judgment of the abnormal area when the sealing performance of the seal to be detected is abnormal.

[0054] The embodiment of the present invention is provided with an auxiliary positioning part and a defect detection part. The auxiliary positioning part can cooperate with the sealing limit part to fix the seals to be inspected of different specifications in both directions, so that when the air tightness of the seal to be inspected is not good, it can cooperate with the defect detection part to quickly and accurately determine the defect position of the seal to be inspected, thereby improving the defect diagnosis efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] Figure 1 It is a structural schematic diagram of the rubber seal pressure relief detection device provided by the present invention.

[0056] Figure 2 It is a three-dimensional structural schematic diagram of the rubber seal pressure relief detection device provided by the present invention.

[0057] Figure 3 It is a front view of the rubber seal pressure relief detection device provided by the present invention.

[0058] Figure 4 yes Figure 3 AA section view.

[0059] Figure 5 It is a side view of the rubber seal pressure relief detection device provided by the present invention.

[0060] Figure 6 yes Figure 5 BB section view.

[0061] Figure 7 It is a structural schematic diagram of the switching fixing assembly provided by the present invention.

[0062] Figure 8 It is a schematic diagram of the three-dimensional structure of the switching and fixing assembly provided by the present invention.

[0063] Fig. 9 It is a side view of the adapter fixing assembly provided by the present invention.

[0064] Fig.10 yes Fig. 9 CC section view.

[0065] Fig.11 It is a structural schematic diagram of the sealing limiting part provided by the present invention.

[0066] Fig.12 It is an axonometric diagram of the sealing limiter provided by the present invention.

[0067] Fig.13 It is a schematic diagram of the structure of the defect detection unit provided by the present invention.

[0068] Fig.14 It is a schematic diagram of the three-dimensional structure of the defect detection unit provided by the present invention.

[0069] Fig.15 It is a side view of the defect detection unit provided by the present invention.

[0070] In the figure: 1-device body, 11-bearing base, 12-bearing limit seat, 2-pressure relief detection mechanism, 21-pressure pump, 22-pressure relief valve, 23-front end sensor, 24-rear end sensor, 25-conducting pipe, 26-fixed pipe, 27-tube displacement part, 271-displacement wheel, 272-first screw, 273-displacement slide, 3-detection pipeline, 4-main driving part, 41-second driving motor, 42-driving gear, 43-driven gear ring, 5-adaptation fixing assembly, 51-adapter, 511-inner limit ring, 512-detection chamber, 52-sealing limit part, 521-first driving motor, 522-driving turntable, 523-inner driving Moving groove, 524-inner driving block, 525-guide turntable, 526-inner limiting groove, 527-inner push rod, 528-sealing limiting seat, 529-limiting transmission shaft, 53-auxiliary positioning part, 531-auxiliary positioning disk, 532-outer driving block, 533-outer driving groove, 534-outer linkage seat, 535-auxiliary positioning rod, 536-auxiliary positioning plate, 537-disk locking groove, 538-second screw, 539-inner threaded barrel, 54-defect detection part, 541-detection wheel, 542-third screw, 543-lifting thread block, 544-servo cylinder, 545-detection extrusion seat, 546-displacement sensor, 6-seal to be detected. DETAILED DESCRIPTION

[0071] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0072] The specifications of the connectors of the existing devices are fixed and single. When pressure relief detection is required for rubber seals of different specifications, the fixation of the rubber seals, connectors and pipe contact positions cannot be guaranteed, resulting in poor detection effect and prone to false detection. Based on this, we propose a rubber seal pressure relief detection device. In short, the device includes a device body 1, a pressure relief detection mechanism 2 and an adapter fixing component 5. The device body 1 includes a bearing base 11 and a bearing limit seat 12, and the pressure relief detection mechanism 2 includes a pressure pump 21, a conducting pipe 25, a fixing pipe 26 and a pressure relief valve 22. A detection pipeline 3 is arranged between the adapter fixing component 5 and the fixing pipe 26. A seal 6 to be detected is arranged at one end of the detection pipeline 3 close to the adapter fixing component 5. The adapter fixing component 5 includes an adapter 51 and a sealing limit portion 52 arranged in the adapter 51. When testing the seal 6 to be tested, the seal 6 to be tested is placed in the testing cavity 512, and then the sealing limiter 52 is opened, and the sealing limiter 52 fixes the seals 6 to be tested of different specifications, and then one end of the testing pipe 3 is fixedly mounted on the fixing pipe 26, and the other end of the testing pipe 3 is inserted into the testing cavity 512 and abuts against the seal 6 to be tested, and then the pressure pump 21 is turned on, and the pressure pump 21 blows gas into the conducting pipe 25, the fixing pipe 26 and the testing pipe 3 to achieve pressure relief detection of the seal 6 to be tested. The embodiment of the present invention is provided with a transfer fixing assembly 5, in which the transfer joint 51 and the sealing limiter 52 work in cooperation, and can fix and support the seals 6 to be tested of different specifications, thereby avoiding the phenomenon of false detection due to the loosening and falling off of the seal 6 to be tested during the pressure relief detection of the seal 6 to be tested.

[0073] It should be noted that the seal 6 to be detected in the present invention may be a seal ring, a seal pad or a seal ring used in automobiles, sluice gates, or mechanical rubber.

[0074] The embodiment of the present invention provides a rubber seal pressure relief detection device, such as Figure 1-Figure 6 As shown, the rubber seal pressure relief detection device comprises:

[0075] The device body 1 includes a bearing base 11 and a bearing limit seat 12;

[0076] A pressure relief detection mechanism 2, the pressure relief detection mechanism 2 is used to perform pressure relief detection on the seal 6 to be detected;

[0077] Among them, the pressure relief detection mechanism 2 includes a pressure pump 21, a conducting pipe 25, a fixed pipe 26 and a pressure relief valve 22, the pressure relief valve 22 is installed on the fixed pipe 26, the conducting pipe 25 is fixedly connected to the pressure pump 21, and the end of the conducting pipe 25 away from the pressure pump 21 is fixedly connected to a transfer fixing component 5, a detection pipeline 3 is arranged between the transfer fixing component 5 and the fixed pipe 26, and a seal 6 to be detected is arranged at one end of the detection pipeline 3 close to the transfer fixing component 5.

[0078] In this embodiment, the bearing base 11 and the bearing limit seat 12 are fixedly connected by mortise and tenon joints or welding. The bearing limit seat 12 is used to support the pressure pump 21 and the conducting pipe 25, and the bearing limit seat 12 and the conducting pipe 25 are rotatably connected via a bearing or a roller rotor.

[0079] It should be noted that the pressure pump 21 is installed at the end of the conducting pipe 25 with a flange seal, and the pressure adjustment range of the pressure pump 21 is -0.098-8MPa. The pressure pump 21 adopts IP65 level protection, and the fixed pipe 26 and the pressure relief valve 22 are connected with a flange seal. The pressure relief valve 22 is made of stainless steel, and the detection pipe 3 can be a PVC or stainless steel round pipe with a hollow interior. One end of the detection pipe 3 is connected to the fixed pipe 26 by a thread + flange.

[0080] A transfer fixing assembly 5, wherein the transfer fixing assembly 5 is used to fix detection pipes 3 of different specifications and seals 6 to be detected;

[0081] Among them, Figure 7-Figure 10 As shown, the switching and fixing assembly 5 includes:

[0082] An adapter 51, one end of which is fixedly connected to the conducting tube 25, an inner limit ring 511 is provided in the adapter 51, and a detection cavity 512 is formed between the inner limit ring 511 and the inner wall of the adapter 51;

[0083] The sealing limiter 52 is arranged in the adapter 51, and the sealing limiter 52 is used to support and fix the sealing members 6 to be detected of different specifications.

[0084] It should be noted that the adapter 51 is specifically a circular ring or a round seat with a hollow interior, and one side of the adapter 51 is fixedly connected to the conducting tube 25 by means of fastening bolts and a sealing flange, while the inner limit ring 511 is specifically a circular ring or a round seat, and the inner limit ring 511 can be welded or integrally formed and installed in the adapter 51.

[0085] In this embodiment, when the seal 6 to be detected is detected, the seal 6 to be detected is placed in the detection cavity 512, and then the sealing limit portion 52 is opened, and the sealing limit portion 52 fixes the seals 6 to be detected of different specifications, and then one end of the detection pipe 3 is fixedly installed on the fixed pipe 26, and the other end of the detection pipe 3 is inserted into the detection cavity 512 and abuts against the seal 6 to be detected, and then the pressure pump 21 is turned on, and the pressure pump 21 blows gas into the guide pipe 25, the fixed pipe 26 and the detection pipe 3 to realize pressure relief detection of the seal 6 to be detected.

[0086] The embodiment of the present invention is provided with a transfer fixing assembly 5, in which a transfer joint 51 cooperates with a sealing limit portion 52 to fix and support seals 6 to be detected of different specifications, thereby avoiding false detection due to loosening and falling of the seals 6 to be detected during the pressure relief detection of the seals 6 to be detected.

[0087] In a further preferred embodiment of the present invention, Figure 1-Figure 2 As shown, the pressure relief detection mechanism 2 also includes:

[0088] A front end sensor 23, wherein the front end sensor 23 is fixedly mounted on the conducting tube 25;

[0089] The rear end sensor 24 is fixedly installed in the fixed tube 26, and the front end sensor 23 and the rear end sensor 24 cooperate to detect the pressure relief of the seal 6 to be detected;

[0090] The tube displacement part 27 is disposed on the bearing base 11 , and the tube displacement part 27 is connected to the fixed tube 26 . The tube displacement part 27 is used to adjust the position of the fixed tube 26 .

[0091] In this embodiment, the front-end sensor 23 and the rear-end sensor 24 can both be pressure sensors, and the models of the front-end sensor 23 and the rear-end sensor 24 are consistent. The front-end sensor 23 and the rear-end sensor 24 are used to detect the pressure in the conducting tube 25 and the fixed tube 26, so as to provide auxiliary judgment for the pressure relief detection of the seal 6 to be detected. The front-end sensor 23 and the rear-end sensor 24 are built-in OEM fully welded pressure cores, which have the advantages of strong anti-interference ability and good working temperature. The front-end sensor 23 and the rear-end sensor 24 are built-in micro amplifiers and adopt 316L stainless steel isolation diaphragm structure. When working, after the pressure pump 21 is started, the front-end sensor 23 and the rear-end sensor 24 work. If the pressure display of the front-end sensor 23 and the rear-end sensor 24 is consistent, it indicates that the sealing performance of the seal 6 to be detected is good. If the pressure display of the front-end sensor 23 and the rear-end sensor 24 is inconsistent, it indicates that the sealing of the seal 6 to be detected is abnormal.

[0092] The embodiment of the present invention is provided with a tube displacement portion 27. The provision of the tube displacement portion 27 facilitates the flexible adjustment of the position of the fixed tube 26, so that detection pipes 3 of different lengths can be fixed, and at the same time, it is convenient to judge the abnormal area when the sealing performance of the sealing member 6 to be detected is abnormal.

[0093] In a further preferred embodiment of the present invention, Figure 1-Figure 2 As shown, the tube displacement portion 27 includes:

[0094] Displacement wheel 271;

[0095] A first screw rod 272, wherein the first screw rod 272 is rotatably mounted on the bearing base 11, and one end of the first screw rod 272 is fixedly connected to the displacement wheel 271;

[0096] The displacement slide 273 is sleeved on the first screw rod 272 , the displacement slide 273 is fixedly connected to the fixing tube 26 , and both ends of the displacement slide 273 are slidably connected to the bearing base 11 respectively.

[0097] In this embodiment, one end of the first screw rod 272 is rotatably mounted on the bearing base 11 via a bearing, the first screw rod 272 is threadedly connected to the displacement slide 273, and the end of the first screw rod 272 is fixedly connected to the displacement wheel 271 by mortise and tenon or welding.

[0098] When it is necessary to determine the abnormal position or fix the detection pipe 3 and the seal 6 to be detected, the displacement wheel 271 is rotated, the displacement wheel 271 drives the first screw 272 to rotate, and the first screw 272 drives the displacement slide 273 and the fixed tube 26 to slide on the supporting base 11, thereby fixing the position of the fixed detection pipe 3 and the seal 6 to be detected.

[0099] In a further preferred embodiment of the present invention, Figure 11-Figure 12 As shown, the sealing limit portion 52 includes:

[0100] A first drive motor 521, which is fixedly installed in the conducting tube 25. A protective cover is provided on the outside of the first drive motor 521. The first drive motor 521 is fixedly installed in the protective cover by fastening bolts, and the protective cover is fixedly installed on the inner wall of the conducting tube 25 by welding or riveting. The first drive motor 521 can be a servo motor, and the control of the first drive motor 521 can be opened and closed by electrical or Bluetooth control;

[0101] A limit transmission shaft 529 fixedly connected to the output end of the first drive motor 521;

[0102] A driving turntable 522, wherein the driving turntable 522 is fixedly mounted on the end of the limit transmission shaft 529;

[0103] The guide turntable 525 is arranged on one side of the driving turntable 522 , and the guide turntable 525 is fixedly installed in the inner limiting ring 511 .

[0104] It should be noted that the limit transmission shaft 529 is rotatably installed in the guide tube 25 through a bearing, one end of the limit transmission shaft 529 is fixedly connected to the output end of the first drive motor 521 by an interference fit, and the other end of the limit transmission shaft 529 is fixedly connected to the drive turntable 522 by a fastening bolt or a mortise and tenon joint. The drive turntable 522 and the guide turntable 525 can both be round plates or round seats, and the drive turntable 522 and the guide turntable 525 can be rotatably connected by rollers or bearings.

[0105] At least one set of inner driving grooves 523, wherein the inner driving grooves 523 are provided in the driving turntable 522, and an inner driving block 524 is slidably installed in the inner driving grooves 523;

[0106] At least one group of inner limit grooves 526, the inner limit grooves 526 are provided in the guide turntable 525, and the inner limit grooves 526 are also slidably connected with the inner driving block 524, the number of the inner driving grooves 523 and the inner limit grooves 526 is consistent, the number of the inner driving grooves 523 and the inner limit grooves 526 can be three groups, four groups, five groups or six groups, and the inner driving grooves 523 are specifically arc-shaped or "S"-shaped sliding grooves, and the inner limit grooves 526 are specifically rectangular grooves with polished surfaces, and the inner driving block 524 can be a slider with a columnar or rectangular seat structure;

[0107] The inner push rod 527 is detachably fixedly connected to the inner driving block 524 , and one end of the inner push rod 527 away from the inner driving block 524 passes through the inner limiting ring 511 and is fixedly connected to a sealing limiting seat 528 .

[0108] In this embodiment, the inner driving block 524 and the inner push rod 527 are detachably connected by mortise and tenon or snap-fit, the inner push rod 527 and the inner limit ring 511 are slidingly connected, the sealing limit seat 528 can specifically be a rectangular seat or an arc seat, and the sealing limit seat 528 and the inner push rod 527 are fixedly connected by threads or snap-fit.

[0109] During inspection, when it is necessary to fix the seals 6 to be inspected of different specifications, the first drive motor 521 is turned on, and the first drive motor 521 drives the limit transmission shaft 529 and the drive turntable 522 to rotate, and the drive turntable 522 drives the inner drive block 524 to slide along the inner drive groove 523, and the inner limit groove 526 and the inner drive block 524 are guided and limited. At the same time, when the inner drive block 524 moves, it can drive the inner push rod 527 and the sealing limit seat 528 to move, thereby realizing the fixation of the seals 6 to be inspected of different specifications.

[0110] In a further preferred embodiment of the present invention, Figure 7-Figure 9 As shown, the switching and fixing assembly 5 also includes:

[0111] An auxiliary positioning portion 53, wherein the auxiliary positioning portion 53 is mounted on the adapter 51, and the auxiliary positioning portion 53 is used to detect and determine the defect position of the seal 6 to be detected;

[0112] The defect detection unit 54 is installed in the fixed pipe 26 .

[0113] The embodiment of the present invention is provided with an auxiliary positioning portion 53 and a defect detection portion 54. The auxiliary positioning portion 53 can cooperate with the sealing limit portion 52 to fix the seals 6 to be inspected of different specifications in both directions, so that when the airtightness of the seal 6 to be inspected is not good, the defect position of the seal 6 to be inspected can be quickly and accurately determined in cooperation with the defect detection portion 54, thereby improving the efficiency of defect diagnosis.

[0114] In a further preferred embodiment of the present invention, in order to facilitate defect detection of the seal 6 to be detected with airtightness problems, and also to facilitate adjustment of the position of the seal 6 to be detected, as shown in FIG. Figure 1-Figure 3 As shown, the embodiment of the present invention also includes:

[0115] The main body driving part 4 is installed on the bearing base 11 , and the main body driving part 4 is used to drive the pressure relief detection mechanism 2 to rotate, so as to cooperate with the defect detection part 54 to perform defect detection on the seal 6 to be detected.

[0116] Wherein, the main driving part 4 includes:

[0117] A second driving motor 41, wherein the second driving motor 41 is fixedly mounted on the supporting base 11;

[0118] A driving gear 42 fixedly connected to an output end of a second driving motor 41;

[0119] A driven gear ring 43 is fixedly sleeved on the outside of the conducting tube 25 , and the driven gear ring 43 is meshed with the driving gear 42 for transmission.

[0120] In this embodiment, the second drive motor 41 can specifically be a servo motor or a single-phase asynchronous motor, and the second drive motor 41 is fixedly installed on the bearing base 11 by a clamp or a fastening bolt, the output end of the second drive motor 41 is fixedly connected to the driving gear 42 by an interference fit, and the driven ring gear 43 is fixedly connected to the outer wall of the conducting tube 25 by a buckle or a fastening bolt.

[0121] When the pressure displays of the front-end sensor 23 and the rear-end sensor 24 are inconsistent, it indicates that the sealing of the seal 6 to be detected is abnormal. At this time, the displacement wheel 271 is manually rotated, and the displacement wheel 271 drives the first screw 272 to rotate. The first screw 272 drives the displacement slide 273 and the fixed tube 26 to slide on the bearing base 11, so that the detection pipeline 3 is separated from the seal 6 to be detected, and then the auxiliary positioning part 53 and the defect detection part 54 are opened in turn, and the auxiliary positioning part 53 cooperates with the sealing limit part 52 to fix the seal 6 to be detected, and then the second drive motor 41 is turned on, and the second drive motor 41 drives the active gear 42 to rotate, and the active gear 42 drives the driven gear ring 43, the conducting tube 25, the adapter 51 and the seal 6 to be detected to rotate, and then the defect detection part 54 determines the defect area of ​​the seal 6 to be detected.

[0122] In a further preferred embodiment of the present invention, Figure 7-Figure 8 , Fig.11 As shown, the auxiliary positioning portion 53 includes:

[0123] An auxiliary positioning plate 531, wherein the auxiliary positioning plate 531 is rotatably mounted on the outside of the adapter 51, and a plurality of sets of external driving slots 533 are provided in the auxiliary positioning plate 531;

[0124] At least one set of external driving blocks 532, wherein the external driving blocks 532 are slidably mounted in the external driving slots 533, and the external driving blocks 532 are detachably fixedly connected to an external linkage seat 534;

[0125] An auxiliary positioning plate 536 is fixedly connected to the external linkage seat 534 , and the auxiliary positioning plate 536 is disposed in the detection cavity 512 .

[0126] At least one set of disk locking grooves 537, wherein the disk locking grooves 537 are provided in the auxiliary positioning disk 531, and the disk locking grooves 537 are evenly distributed on the auxiliary positioning disk 531 in the circumferential direction;

[0127] An internally threaded barrel 539 installed on the adapter 51 has a second screw 538 installed on its internal thread. The second screw 538 is inserted into the disk locking groove 537 to lock the auxiliary positioning disk 531. The internally threaded barrel 539 is fixedly installed on the adapter 51 by welding or riveting. The internally threaded barrel 539 and the second screw 538 are connected by threads. When the auxiliary positioning disk 531 needs to be fixed, the second screw 538 is rotated and moved along the internally threaded barrel 539, so that the end of the second screw 538 extends into the disk locking groove 537, thereby locking the position of the auxiliary positioning disk 531.

[0128] In this embodiment, the auxiliary positioning disk 531 is specifically a circular ring or a round seat with a hollow interior, and the auxiliary positioning disk 531 is rotatably sleeved on the outer wall of the adapter 51 by means of bearings or rollers, and the outer driving groove 533 is circumferentially arranged on the auxiliary positioning disk 531 in a counterclockwise direction. The outer driving groove 533 can be a rectangular groove, an arc groove or an "S"-shaped groove structure, and the outer driving block 532 and the outer linkage seat 534 can be detachably fixedly connected by means of a snap or a fastening bolt, and the outer linkage seat 534 passes through the side wall of the adapter 51 and is slidably connected to the adapter 51. At the same time, an auxiliary positioning rod 535 for guiding and limiting the outer linkage seat 534 is fixedly installed on the adapter 51, and the auxiliary positioning rod 535 is slidably connected to the side wall of the outer linkage seat 534, and the auxiliary positioning plate 536 is fixedly connected to the outer linkage seat 534 by means of mortise and tenon or riveting, and the auxiliary positioning plate 536 can be an arc plate or a rectangular seat.

[0129] When it is necessary to fix the seals 6 to be detected of different specifications, the auxiliary positioning plate 531 is manually rotated, and the auxiliary positioning plate 531 drives the external driving groove 533 to rotate, and the external driving groove 533 drives the external linkage seat 534 and the external driving block 532 to move, so that the external linkage seat 534 drives the auxiliary positioning plate 536 to fix the seals 6 to be detected of different specifications.

[0130] In a further preferred embodiment of the present invention, Figure 13-Figure 15 As shown, the defect detection unit 54 includes:

[0131] Detection wheel 541;

[0132] A third screw rod 542 fixedly connected to the detection wheel 541, wherein the third screw rod 542 is rotatably mounted in the fixed tube 26;

[0133] A lifting thread block 543 is sleeved on the third screw rod 542 , and a servo cylinder 544 is fixedly mounted on the lifting thread block 543 . A detection extrusion seat 545 is fixedly mounted on the telescopic end of the servo cylinder 544 , and a displacement sensor 546 is embedded in the detection extrusion seat 545 .

[0134] In this embodiment, the third screw 542 is rotatably mounted on the side wall of the fixed tube 26 through a bearing or a roller, the end of the third screw 542 is fixedly connected to the detection wheel 541 by welding or riveting, the lifting thread block 543 and the third screw 542 are threadedly connected, the servo cylinder 544 is fixedly mounted on the lifting thread block 543 by welding or riveting, and the servo cylinder 544 is started to enable the detection extrusion seat 545 to maintain a certain extrusion force on the seal 6 to be detected. When defects appear on the surface of the seal 6 to be detected, the detection extrusion seat 545 is subjected to The thrust will squeeze the seal 6 to be inspected, and the displacement sensor 546 will record the displacement value of the detection extrusion seat 545, so as to facilitate the determination of the defect position and the degree of the defect. In order to facilitate the defect determination of the seals 6 to be inspected of different specifications, the detection wheel 541 can be rotated, and the detection wheel 541 drives the third screw 542 to rotate, and the third screw 542 drives the lifting thread block 543, the servo cylinder 544, the detection extrusion seat 545 and the displacement sensor 546 to move up and down, thereby satisfying the defect detection work of the seals 6 to be inspected of different specifications.

[0135] In summary, the present invention provides a rubber seal pressure relief detection device. When the seal 6 to be detected is detected, the seal 6 to be detected is placed in the detection cavity 512, and then the sealing limit portion 52 is opened. The sealing limit portion 52 fixes the seals 6 to be detected of different specifications. Then, one end of the detection pipe 3 is fixedly installed on the fixed pipe 26, and the other end of the detection pipe 3 is inserted into the detection cavity 512 and abuts against the seal 6 to be detected. Then, the pressure pump 21 is turned on. The pressure pump 21 blows gas into the guide pipe 25, the fixed pipe 26 and the detection pipe 3 to realize pressure relief detection of the seal 6 to be detected.

[0136] The embodiment of the present invention is provided with a transfer fixing assembly 5, in which a transfer joint 51 cooperates with a sealing limit portion 52 to fix and support seals 6 to be detected of different specifications, thereby avoiding false detection due to loosening and falling of the seals 6 to be detected during the pressure relief detection of the seals 6 to be detected.

[0137] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described order of actions, because according to the present invention, some steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0138] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also belong to the scope of protection of the present invention.

Claims

1. A rubber seal pressure relief detection device, the rubber seal pressure relief detection device comprising: A device body (1), the device body (1) comprising a bearing base (11) and a bearing limit seat (12); A pressure relief detection mechanism (2), the pressure relief detection mechanism (2) being used to perform a pressure relief detection on a sealing member (6) to be detected; The invention is characterized in that the pressure relief detection mechanism (2) comprises a pressure pump (21), a conducting pipe (25), a fixed pipe (26) and a pressure relief valve (22); the pressure relief valve (22) is mounted on the fixed pipe (26); the conducting pipe (25) and the pressure pump (21) are fixedly connected; an end of the conducting pipe (25) away from the pressure pump (21) is fixedly connected to a transfer fixing component (5); a detection pipeline (3) is arranged between the transfer fixing component (5) and the fixed pipe (26); and a sealing member (6) to be detected is arranged at one end of the detection pipeline (3) close to the transfer fixing component (5); A transfer fixing assembly (5), the transfer fixing assembly (5) being used to fix detection pipes (3) of different specifications and sealing members (6) to be detected; Wherein, the switching and fixing component (5) comprises: An adapter (51), one end of the adapter (51) being fixedly connected to the conducting tube (25), an inner limit ring (511) being arranged inside the adapter (51), and a detection cavity (512) being formed between the inner limit ring (511) and the inner wall of the adapter (51); A sealing limiter (52) disposed in the adapter (51), the sealing limiter (52) being used to support and fix sealing members (6) to be tested of different specifications; The sealing limiting portion (52) comprises: A first drive motor (521), the first drive motor (521) being fixedly mounted in the conducting tube (25); A limit transmission shaft (529) fixedly connected to an output end of the first drive motor (521); A driving turntable (522), wherein the driving turntable (522) is fixedly mounted on an end of the position-limiting transmission shaft (529); a guide turntable (525) disposed on one side of the driving turntable (522), the guide turntable (525) being fixedly mounted in the inner limiting ring (511); The sealing limiting portion (52) further comprises: At least one set of inner driving grooves (523), wherein the inner driving grooves (523) are disposed in the driving rotating disk (522), and inner driving blocks (524) are slidably mounted in the inner driving grooves (523); At least one set of inner limit grooves (526), ​​wherein the inner limit grooves (526) are provided in the guide rotating disk (525), and the inner limit grooves (526) are also slidably connected to the inner driving block (524); An inner push rod (527) is detachably fixedly connected to the inner driving block (524); one end of the inner push rod (527) away from the inner driving block (524) passes through the inner limiting ring (511) and is fixedly connected to a sealing limiting seat (528).

2. The rubber seal pressure relief detection device according to claim 1, characterized in that: The pressure relief detection mechanism (2) further comprises: A front end sensor (23), wherein the front end sensor (23) is fixedly mounted on the conducting tube (25); A rear end sensor (24), wherein the rear end sensor (24) is fixedly mounted in the fixed tube (26), and the front end sensor (23) and the rear end sensor (24) cooperate to perform pressure relief detection on the seal (6) to be detected; A tube displacement portion (27) is arranged on the bearing base (11), the tube displacement portion (27) is connected to the fixed tube (26), and the tube displacement portion (27) is used to adjust the position of the fixed tube (26).

3. The rubber seal pressure relief detection device according to claim 2, characterized in that: The tube displacement portion (27) comprises: Displacement wheel (271); a first screw rod (272), the first screw rod (272) being rotatably mounted on the bearing base (11), and one end of the first screw rod (272) being fixedly connected to the displacement rotating wheel (271); A displacement slide (273) is sleeved on the first screw rod (272), the displacement slide (273) is fixedly connected to the fixed tube (26), and both ends of the displacement slide (273) are respectively slidably connected to the bearing base (11).

4. The rubber seal pressure relief detection device according to claim 3, characterized in that: The transfer fixing assembly (5) further comprises: An auxiliary positioning portion (53), the auxiliary positioning portion (53) being mounted on the adapter (51), the auxiliary positioning portion (53) being used to detect and determine the defect position of the sealing component (6) to be detected; A defect detection unit (54), wherein the defect detection unit (54) is installed in the fixed pipe (26).

5. The rubber seal pressure relief detection device according to claim 4, characterized in that: Also includes: a main body driving part (4), the main body driving part (4) being mounted on the bearing base (11), the main body driving part (4) being used to drive the pressure relief detection mechanism (2) to rotate, thereby cooperating with the defect detection part (54) to perform defect detection on the seal to be detected (6); Wherein, the main body driving part (4) comprises: a second drive motor (41), the second drive motor (41) being fixedly mounted on the bearing base (11); A driving gear (42) fixedly connected to an output end of a second driving motor (41); A driven gear ring (43) is fixedly sleeved on the outside of the conducting tube (25), and the driven gear ring (43) is meshed with the driving gear (42) for transmission.

6. The rubber seal pressure relief detection device according to claim 5, characterized in that: The auxiliary positioning portion (53) comprises: An auxiliary positioning disk (531), the auxiliary positioning disk (531) being rotatably mounted on the outside of the adapter (51), and having a plurality of sets of external driving grooves (533) disposed in the auxiliary positioning disk (531); At least one set of external driving blocks (532), wherein the external driving blocks (532) are slidably mounted in the external driving slots (533), and the external driving blocks (532) are detachably and fixedly connected to an external linkage seat (534); An auxiliary positioning plate (536) fixedly connected to the external linkage seat (534), wherein the auxiliary positioning plate (536) is arranged in the detection cavity (512).

7. The rubber seal pressure relief detection device according to claim 6, characterized in that: The auxiliary positioning portion (53) further comprises: at least one set of disc locking grooves (537), wherein the disc locking grooves (537) are provided in the auxiliary positioning disc (531); An internally threaded barrel (539) is mounted on the adapter (51), wherein a second screw rod (538) is internally threadedly mounted on the internally threaded barrel (539), and the second screw rod (538) is inserted into the disc locking groove (537) to lock the auxiliary positioning disc (531).

8. The rubber seal pressure relief detection device according to claim 7, characterized in that: The defect detection unit (54) comprises: Detect the wheel (541); a third screw rod (542) fixedly connected to the detection rotating wheel (541), the third screw rod (542) being rotatably mounted in the fixed tube (26); A lifting threaded block (543) is sleeved on the third screw rod (542), a servo cylinder (544) is fixedly mounted on the lifting threaded block (543), a detection extrusion seat (545) is fixedly mounted on the telescopic end of the servo cylinder (544), and a displacement sensor (546) is embedded in the detection extrusion seat (545).

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