Air tightness detection device for filter membrane assembly
By designing the airtightness detection device for filter membrane components, and using the combined technology of the carrier stage and water pump, the airtightness detection problem of ultra-large ultrafiltration membrane components under stress is solved, achieving convenient and accurate airtightness Sex detection effect.
Patent Information
- Application Number
- CN202421052684.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The prior art is difficult to effectively detect the airtightness of ultra-large ultrafiltration membrane modules under stress, and it is difficult to detect whether the part gap is not pulled or bent.
An airtightness detection device for filter membrane components was designed, which fell into water along the erect guide rails through the stage, and injected with a water pump with a colored liquid and a torsion rod to drive the stage to slightly twist, so as to achieve the gap between the ultrafiltration membrane tube parts. Intuitive detection.
The effect of convenient detection of airtightness is achieved. Staff can intuitively see whether the parts gap is leaking, and accurately detect the airtightness of the ultrafiltration membrane tube under stress.
Smart Images
Figure CN222231974U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of detection equipment, and particularly relates to an air tightness detection device for a filter membrane component. Background Art
[0002] With the development of industrial technology, modern testing equipment technology has become more and more perfect. Immersed ultrafiltration membranes need to be tested for air tightness during production. For small-sized membrane groups, they can be directly inflated to test air tightness, or put into water to test air tightness. For oversized ultrafiltration membranes, oversized ultrafiltration membranes are bulky and difficult for staff to move.
[0003] When the ultrafiltration membrane assembly is assembled, the gaps between the parts will only open when force is applied. In previous ultrafiltration membrane immersion tests, if the ultrafiltration membrane is not subjected to pulling or bending forces in water, the gaps between the parts will not open and be detected. This makes it difficult to know whether there is leakage between the parts when force is applied. Summary of the invention
[0004] The purpose of the utility model is to address the deficiencies in the prior art and to provide an air tightness detection device for a filter membrane assembly. When the device is in use, the ultrafiltration membrane tube to be processed is placed on a loading platform, and the winding motor drives the winding rod to rotate and start to release the pulling rope, and then the loading platform will fall along the vertical guide rail and be immersed in water, and the water pump will continue to inject water into the ultrafiltration membrane tube through the pressure hose. If the colored liquid inside the ultrafiltration membrane tube is squeezed out from the gap between the parts, the staff can see it intuitively, thereby achieving the effect of convenient air tightness detection, thereby solving the problems mentioned in the background technology.
[0005] In order to solve the above problems, the utility model provides the following technical solutions: an air tightness detection device for a filter membrane assembly, comprising a water tank, the interior of the water tank is filled with distilled water, two vertical guide rails are arranged on the inner side wall of the water tank, a lifting slider is slidably installed on the vertical guide rail, a loading platform is fixedly installed on the side wall of the lifting slider, an ultrafiltration membrane tube is arranged on the top of the loading platform, and the ultrafiltration membrane tube is fixedly connected to the top surface of the loading platform through a clamping assembly; a water outlet is arranged at the port of the ultrafiltration membrane tube, a water inlet is arranged at the top of the ultrafiltration membrane tube, a plunger is inserted into the inside of the water outlet, a water pump is arranged on the outer side wall of the water tank, the input end of the water pump is connected to the external water tank, the output end of the water pump is arranged with a pressure hose, the end of the pressure hose is arranged with a plug-in plunger, the plug-in plunger is inserted into the inside of the water inlet, and the inside of the ultrafiltration membrane tube is perfused with a colored liquid; the loading platform is connected to the lifting assembly, and an oscillation assembly is also arranged below the loading platform.
[0006] Furthermore, the lifting assembly includes an axle seat at the top of the water tank, a reversing wheel is rotatably arranged on one side of the axle seat, the top of the reversing wheel is connected to the side wall of the loading platform, a winding motor is also arranged on the outer wall of the water tank, a winding roller is installed at the output end of the winding motor, and the outer end of the reversing wheel is connected to the winding roller.
[0007] Furthermore, the oscillation component includes two bearings on the inner wall of the water tank, the outer ring of the bearing is fixedly connected to the inner wall of the water tank, a torsion bar is fixedly installed in the inner ring of the bearing, an eccentric wheel is arranged on the torsion bar, two extension rods are arranged at the bottom end of the loading platform, a belt bow is arranged at the bottom end of the extension rod, the eccentric wheel abuts against the belt bow, the torsion bar is connected to the power mechanism, and an adjustment mechanism is arranged on the eccentric wheel.
[0008] Furthermore, the power mechanism includes a stepper motor at the top of the water tank, a driving wheel is provided at the output end of the stepper motor, a driven roller is provided on the eccentric wheel, and the driven roller and the driving wheel are connected by a reduction belt.
[0009] Furthermore, the adjustment mechanism includes four eccentric shaft holes in a straight-line array on the eccentric wheel, and the torsion bar is inserted inside the eccentric shaft holes.
[0010] Furthermore, a pin hole is provided on one side of each eccentric shaft hole, the inner end of the pin hole is connected to the interior of the eccentric shaft hole, the outer end of the pin hole extends out of the outer wall of the eccentric wheel, a latch is provided inside the pin hole, and a lock hole matching the latch is provided on the side wall of the torsion bar.
[0011] Furthermore, an interruption link is arranged in the middle of the loading platform, and a rubber strip is arranged inside the interruption link.
[0012] Furthermore, the snap-on assembly includes a snap-on frame on the top surface of the loading platform, a docking frame is provided at the top of the snap-on frame, snap-on blocks are provided at both ends of the ultrafiltration membrane tube, the snap-on blocks are inserted between the snap-on frame and the docking frame, and the docking frame is fixedly connected to the snap-on frame by bolts.
[0013] Compared with the prior art, the embodiments of the present application have the following beneficial effects:
[0014] Firstly, when the device is in use, the ultrafiltration membrane tube to be processed is placed on the loading platform, and the winding motor drives the winding rod to rotate and start to release the pulling rope. Then the loading platform will fall along the vertical guide rail and be immersed in the water. The water pump continues to inject water into the ultrafiltration membrane tube through the pressure hose. If the colored liquid inside the ultrafiltration membrane tube is squeezed out from the gap between the parts, the staff can see it intuitively, thereby achieving the effect of convenient air tightness detection.
[0015] Secondly, the stepper motor drives the driven roller to rotate through the reduction belt, and the torsion bar rotates synchronously with the driven roller. The eccentric wheel in the middle of the torsion bar will push the belt bow upward once every rotation. A rubber strip is provided in the middle of the stage, so that the stage can be slightly twisted. The ultrafiltration membrane tube will be subjected to torque at the top of the stage, and the gap of the ultrafiltration membrane tube will be detected for leakage under the stress state. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the front view of the utility model.
[0017] Figure 2 It is a schematic diagram of the side view of the utility model.
[0018] Figure 3 It is a schematic diagram of a cross-section of the utility model.
[0019] Figure 4 It is a schematic diagram of the eccentric wheel of the utility model.
[0020] Figure 5 It is a schematic diagram of the reversing wheel of the utility model.
[0021] Figure 6 It is a schematic diagram of the clamping frame of the utility model.
[0022] Description of reference numerals:
[0023] Water tank 1, vertical guide rail 2, lifting slider 201, shaft seat 3, reversing wheel 301, pulling rope 302, loading platform 4, card frame 401, rubber strip 402, extension rod 403, belt bow 404, docking frame 405, stepping motor 5, reduction belt 501, driven roller 502, winding motor 6, winding roller 601, water pump 7, pressure hose 701, ultrafiltration membrane tube 8, water outlet 801, water inlet 802, eccentric wheel 9, eccentric shaft hole 901, torsion bar 10, bearing 1001. DETAILED DESCRIPTION
[0024] 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.
[0025] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0026] The utility model provides an air tightness detection device for a filter membrane assembly, such as Figure 1-6 As shown, it includes a water tank 1, the interior of which is filled with distilled water, two vertical guide rails 2 are arranged on the inner side wall of the water tank 1, a lifting slider 201 is slidably installed on the vertical guide rail 2, a loading platform 4 is fixedly installed on the side wall of the lifting slider 201, an ultrafiltration membrane tube 8 is arranged on the top of the loading platform 4, and the ultrafiltration membrane tube 8 is fixedly connected to the top surface of the loading platform 4 through a clamping assembly; a water outlet 801 is arranged at the port of the ultrafiltration membrane tube 8, a water inlet 802 is arranged on the top of the ultrafiltration membrane tube 8, a plunger is inserted into the water outlet 801, a water pump 7 is arranged on the outer side wall of the water tank 1, the input end of the water pump 7 is connected to the external water tank, and the output end of the water pump 7 is connected to the external water tank. A pressure hose 701 is provided at the outlet end, and a plug-in plunger is provided at the end of the pressure hose 701. The plug-in plunger is inserted into the water inlet 802, and the interior of the ultrafiltration membrane tube 8 is filled with colored liquid; the stage 4 is connected to the lifting assembly, and an oscillation assembly is also provided under the stage 4. The ultrafiltration membrane tube 8 to be processed is placed on the stage 4, and then the lifting assembly drives the stage 4 to fall along the vertical guide rail 2 and immerse it in water. The water pump 7 continues to inject water into the ultrafiltration membrane tube 8 through the pressure hose 701. If the colored liquid inside the ultrafiltration membrane tube 8 is squeezed out from the gap between the parts, the staff can see it intuitively, thereby achieving the effect of convenient air tightness detection.
[0027] The lifting assembly includes an axle seat 3 at the top of the water tank 1, and a reversing wheel 301 is rotatably set on one side of the axle seat 3. The top of the reversing wheel 301 is connected to the side wall of the loading platform 4. A winding motor 6 is also set on the outer wall of the water tank 1. A winding roller 601 is installed at the output end of the winding motor 6. The outer end of the reversing wheel 301 is connected to the winding roller 601. The winding motor 6 drives the winding roller 601 to rotate and start to release the pulling rope 302. The loading platform 4 and the ultrafiltration membrane tube 8 on its top fall into the water due to their own gravity.
[0028] The oscillation component includes two bearings 1001 on the inner wall of the water tank 1, the outer ring of the bearing 1001 is fixedly connected to the inner wall of the water tank 1, and a torsion bar 10 is fixedly installed in the inner ring of the bearing 1001. An eccentric wheel 9 is arranged on the torsion bar 10, and two extension rods 403 are arranged at the bottom end of the loading platform 4. A belt bow 404 is arranged at the bottom end of the extension rod 403, and the eccentric wheel 9 abuts against the belt bow 404. The torsion bar 10 is connected to the power mechanism, and an adjustment mechanism is arranged on the eccentric wheel 9. The eccentric wheel 9 in the middle of the torsion bar 10 will push up the belt bow 404 once every rotation, and the ultrafiltration membrane tube 8 will be subjected to vibration force at the top of the loading platform 4, and the gap of the ultrafiltration membrane tube 8 will be detected for leakage under the state of being subjected to vibration force.
[0029] The power mechanism includes a stepper motor 5 at the top of the water tank 1, and a driving wheel is provided at the output end of the stepper motor 5. A driven roller 502 is provided on the eccentric wheel 9. The driven roller 502 and the driving wheel are connected by a reduction belt 501. The stepper motor 5 drives the driven roller 502 to rotate through the reduction belt 502, and the torsion bar 10 rotates synchronously with the driven roller 502. The stepper motor 5 indirectly applies driving force to the torsion bar 10.
[0030] The adjustment mechanism includes four eccentric shaft holes 901 in a straight line array on the eccentric wheel 9, and the torsion bar 10 is inserted into the eccentric shaft hole 901. The eccentric wheel 9 can be removed from the torsion bar 10, and then the torsion bar 10 can be inserted into the eccentric shaft hole 901 at other positions, and then the squeezing amplitude of the eccentric wheel 9 on the belt bow 404 will also be changed.
[0031] A pin hole is provided on one side of each of the eccentric shaft holes 901, the inner end of the pin hole is connected to the interior of the eccentric shaft hole 901, the outer end of the pin hole extends out of the outer wall of the eccentric wheel 9, a latch is provided inside the pin hole, and a lock hole matching the latch is provided on the side wall of the torsion bar 10, the latch is inserted into the pin hole, and the eccentric wheel 9 and the torsion bar 10 can be locked after the end of the latch is inserted into the lock hole.
[0032] An interruption link is provided in the middle of the loading platform 4, and a rubber strip 402 is provided inside the interruption link. The loading platform 4 can be slightly twisted, and the ultrafiltration membrane tube 8 will be subjected to torsion at the top of the loading platform 4. The gap of the ultrafiltration membrane tube 8 will be detected for leakage under the stressed state.
[0033] The snap-on assembly includes a snap-on frame 401 on the top surface of the stage 4, a docking frame 405 is provided at the top of the snap-on frame 401, snap-on blocks are provided at both ends of the ultrafiltration membrane tube 8, the snap-on blocks are inserted between the snap-on frame 401 and the docking frame 405, and the docking frame 405 is fixedly connected to the snap-on frame 401 by bolts. When the ultrafiltration membrane tube 8 is disassembled and replaced, the bolts are first unscrewed, and the docking frame 405 can be separated from the snap-on frame 401, and then the next ultrafiltration membrane tube 8 can be replaced for testing.
[0034] Working principle: put the ultrafiltration membrane tube 8 to be processed on the loading platform 4, and then the lifting assembly drives the loading platform 4 to fall along the vertical guide rail 2 and immerse it in the water, and the water pump 7 continues to inject water into the ultrafiltration membrane tube 8 through the pressure hose 701. If the colored liquid inside the ultrafiltration membrane tube 8 is squeezed out from the gap between the parts, the staff can see it intuitively, and the effect of convenient detection of air tightness is achieved. The winding motor 6 drives the winding rod 601 to rotate and start to release the pulling rope 302. The loading platform 4 and the ultrafiltration membrane tube 8 on its top fall into the water with their own gravity. The eccentric wheel 9 in the middle of the torsion bar 10 will lift the belt bow 404 up once every rotation, and the ultrafiltration membrane tube 8 will be subjected to vibration force at the top of the loading platform 4. The gap of the ultrafiltration membrane tube 8 will be detected to be leaking under the state of vibration force, and the stepper motor 5 drives the deceleration belt 502 The driven roller 502 is driven to rotate, and the torsion bar 10 rotates synchronously with the driven roller 502. The stepper motor 5 indirectly applies driving force to the torsion bar 10, and the eccentric wheel 9 can be removed from the torsion bar 10, and then the torsion bar 10 can be plugged into the eccentric shaft hole 901 at other positions, and then the squeezing amplitude of the eccentric wheel 9 on the belt bow 404 will also be changed. The pin is inserted into the pin hole, and after the end of the pin is inserted into the lock hole, the eccentric wheel 9 and the torsion bar 10 can be locked, the stage 4 can be slightly twisted, and the ultrafiltration membrane tube 8 will be subjected to torque at the top of the stage 4. The gap of the ultrafiltration membrane tube 8 will be detected for leakage under the stress state. When the ultrafiltration membrane tube 8 is disassembled and replaced, the bolts are first unscrewed, and the docking frame 405 can be separated relative to the clamping frame 401, and then the next ultrafiltration membrane tube 8 can be replaced for testing.
[0035] 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 utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences 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 utility model.
[0036] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.
[0037] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0038] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, 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 utility model. Although the utility model 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 utility model 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 utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.
Claims
1. An air tightness detection device for a filter membrane assembly, characterized in that: It comprises a water tank (1), wherein the interior of the water tank (1) is filled with distilled water, two vertical guide rails (2) are arranged on the inner side wall of the water tank (1), a lifting slider (201) is slidably mounted on the vertical guide rail (2), a loading platform (4) is fixedly mounted on the side wall of the lifting slider (201), an ultrafiltration membrane tube (8) is arranged on the top of the loading platform (4), and the ultrafiltration membrane tube (8) is fixedly connected to the top surface of the loading platform (4) via a clamping assembly; The port of the ultrafiltration membrane tube (8) is provided with a water outlet (801), the top of the ultrafiltration membrane tube (8) is provided with a water inlet (802), a plunger is inserted into the water outlet (801), a water pump (7) is provided on the outer wall of the water tank (1), the input end of the water pump (7) is connected to the external water tank, the output end of the water pump (7) is provided with a pressure hose (701), the end of the pressure hose (701) is provided with a plug-in plunger, the plug-in plunger is inserted into the water inlet (802), and the interior of the ultrafiltration membrane tube (8) is perfused with a colored liquid; The object carrier (4) is connected to the lifting assembly, and an oscillation assembly is also provided below the object carrier (4).
2. The air tightness detection device for a filter membrane assembly according to claim 1, characterized in that: The lifting assembly comprises an axle seat (3) at the top end of a water tank (1); a reversing wheel (301) is rotatably arranged on one side of the axle seat (3); the top end of the reversing wheel (301) is connected to the side wall of the loading platform (4); a winding motor (6) is also arranged on the outer side wall of the water tank (1); a winding roller (601) is installed at the output end of the winding motor (6); and the outer end of the reversing wheel (301) is connected to the winding roller (601).
3. The air tightness detection device for a filter membrane assembly according to claim 1, characterized in that: The oscillation component comprises two bearings (1001) on the inner wall of the water tank (1), the outer ring of the bearing (1001) is fixedly connected to the inner wall of the water tank (1), a torsion bar (10) is fixedly installed in the inner ring of the bearing (1001), an eccentric wheel (9) is arranged on the torsion bar (10), two extension rods (403) are arranged at the bottom end of the loading platform (4), a belt bow (404) is arranged at the bottom end of the extension rod (403), the eccentric wheel (9) abuts against the belt bow (404), the torsion bar (10) is connected to the power mechanism, and the eccentric wheel (9) is provided with an adjustment mechanism.
4. The air tightness detection device for a filter membrane assembly according to claim 3, characterized in that: The power mechanism comprises a stepper motor (5) at the top of the water tank (1), the output end of the stepper motor (5) is provided with a driving wheel, the eccentric wheel (9) is provided with a driven roller (502), and the driven roller (502) and the driving wheel are connected via a speed reduction belt (501).
5. The air tightness detection device for a filter membrane assembly according to claim 3, characterized in that: The adjustment mechanism comprises four eccentric shaft holes (901) arranged in a straight line on the eccentric wheel (9), and the torsion bar (10) is inserted into the interior of the eccentric shaft holes (901).
6. The air tightness detection device for a filter membrane assembly according to claim 5, characterized in that: A pin hole is provided on one side of each eccentric shaft hole (901), the inner end of the pin hole is connected to the interior of the eccentric shaft hole (901), the outer end of the pin hole extends out of the outer wall of the eccentric wheel (9), a latch is provided inside the pin hole, and a lock hole matching the latch is provided on the side wall of the torsion bar (10).
7. The air tightness detection device for a filter membrane assembly according to claim 1, characterized in that: An interruption link is arranged in the middle of the object carrier (4), and a rubber strip (402) is arranged inside the interruption link.
8. The air tightness detection device for a filter membrane assembly according to claim 1, characterized in that: The snap-fit assembly comprises a snap-fit frame (401) on the top surface of the stage (4); a docking frame (405) is arranged at the top of the snap-fit frame (401); snap-fit blocks are arranged at both ends of the ultrafiltration membrane tube (8); the snap-fit blocks are inserted between the snap-fit frame (401) and the docking frame (405); and the docking frame (405) is fixedly connected to the snap-fit frame (401) by bolts.