A flow meter pipe body immersion leak detection device
By designing a water-soaking and leak-measuring device for flowmeter tube body including a fixed seat, a movable seat, a pressurized cylinder, a horizontal cylinder and a driving cylinder, the problem that the prior art is difficult to adapt to the flowmeter tube body of different lengths is solved, and the detection effect of flexibility and accuracy is achieved.
Patent Information
- Application Number
- CN202510221702.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-04-04
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing water-soaking and leak-testing devices of the flowmeter tube body are difficult to adapt to flowmeter tube body of different lengths, resulting in the need to make multiple types of fixtures, which is inconvenient to manage.
A device including a fixed seat, a movable seat, a pressurized cylinder, a horizontal cylinder and a driving cylinder is designed. By adjusting the spacing between the movable seat and the fixed seat, it can adapt to flowmeter tube bodies of different lengths, and seal and immerse the flowmeter tube bodies through the cylinder system.
The adaptive detection of flowmeter tube bodies of different lengths is achieved, which reduces the types of fixtures, simplifies management, and improves the flexibility and accuracy of detection.
Smart Images
Figure CN119756710A_ABST
Abstract
Description
Technical Field
[0001] The invention discloses a water immersion leakage detection device for a flow meter pipe body, belonging to the technical field of flow meter detection equipment. Background Art
[0002] The flowmeter tube body is an important component of the flowmeter, which is mainly used to guide the fluid through the flowmeter and ensure the stability and accuracy of the fluid during the measurement process. After the flowmeter tube body is produced, its sealing needs to be tested. Usually, the flowmeter tube body is clamped with a clamp and then immersed in the water in the water tank. The clamp includes a plugging structure for plugging the two ends of the flowmeter tube body. After the two ends of the flowmeter tube body are blocked, they are immersed in water to observe whether there are bubbles, so as to achieve the side leakage of the flowmeter tube body. Because the length of the flowmeter tube body varies with different models, and the positions of the two plugging structures on the clamp are relatively fixed, it is difficult to clamp and limit the flowmeter tube bodies of different lengths. Different types of clamps need to be made, resulting in a large number of types of clamps and inconvenient management. Summary of the invention
[0003] In view of the shortcomings of the prior art, the present invention aims to provide a flow meter pipe body immersion leakage detection device to solve the problems raised in the above background technology.
[0004] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical solutions: a water immersion leak detection device for a flow meter tube body, comprising a top plate, two side plates are installed at both ends of the top plate, a base for installation at the bottom of a water tank is provided directly below the top plate, the lower end of the side plate is connected and fixed to the base, a driving cylinder is installed at the middle position of the upper surface of the top plate, the movable end of the driving cylinder passes through the top plate and is installed with a support plate, the support plate is arranged between the base and the top plate, a fixed seat for supporting the flow meter tube body is installed on one side of the upper surface of the support plate, a movable seat for supporting the flow meter tube body is slidably installed on the upper side of the support plate away from the fixed seat, and the support plate is installed at a position close to the fixed seat There is a fixed bracket plate, and a movable bracket plate connected and fixed to the movable seat is slidably installed at a position of the bracket close to the movable seat. The movable bracket plate and the fixed bracket plate are both L-shaped structures. A holding cylinder is installed on the upper surface of the movable bracket plate and the upper surface of the fixed bracket plate. A pressure head for holding a flow meter tube body is installed on the movable end of the holding cylinder. The two pressure heads are respectively arranged directly above the fixed seat and directly above the movable seat. A sealing piece for blocking one end of the flow meter tube body is installed on the side of the movable seat away from the fixed seat. An air injection piece connected to the bracket and used for injecting air into the flow meter tube body is provided on the side of the fixed seat away from the movable seat. The movable bracket plate is connected to the bracket through an adjusting piece.
[0005] Specifically, the sealing member includes a support, a support is installed on a side of the movable seat facing away from the fixed seat, the support is an L-shaped structure, a screw hole is provided on the side of the vertical part of the support facing the movable seat, an adjusting screw is threadedly connected to the screw hole, and a rubber plugging disk for sealing the flow meter tube body is installed on the end of the adjusting screw close to the movable seat.
[0006] Specifically, the gas injection part includes a positioning seat, a positioning seat is provided on the side of the fixed seat away from the movable seat, the positioning seat is fixed to the support plate by screws, a horizontal cylinder is installed on the side of the positioning seat away from the fixed seat, the movable end of the horizontal cylinder passes through the positioning seat and is installed with a hollow head, a hollow plug is installed on the end of the hollow head away from the horizontal cylinder, the plug is communicated with the hollow head, the plug is inserted in the flow meter tube body, and a hose for connecting to the gas outlet end of the compressed gas tank is installed on the upper position of the outer surface of the hollow head.
[0007] Specifically, a plurality of support rings arranged up and down are provided on the upper side of the hollow head, the support rings are sleeved on the hose, vertical holes are opened on the outer surfaces of the plurality of support rings, a screw rod is inserted in the channel formed by the plurality of vertical holes, the lower end of the screw rod is connected and fixed to the hollow head, and limiting nuts are provided on the upper and lower sides of the plurality of vertical holes, and the limiting nuts are threadedly connected to the screw rod.
[0008] Specifically, the adjusting part includes a guide rail, a slot is processed on the lower surface of the vertical part of the movable bracket plate, the guide rail is inserted in the slot, the cross-section of the slot is a "T" shape, the cross-section of the guide rail is a "T" shape, the guide rail is installed on the upper surface of the support plate, and a support ear is installed at the lower position of one side of the movable bracket plate, the support ear is arranged on the upper side of the slot and the support ear is in sliding contact with the upper surface of the guide rail, a plurality of threaded holes are opened on the upper surface of the support ear, and a positioning screw for limiting the relative position of the support ear and the guide rail is threadedly connected in the threaded hole.
[0009] Specifically, two guide holes are symmetrically provided on the upper surface of the support plate, a guide sleeve is provided on the upper side of the guide hole, the lower end of the guide sleeve is connected to the support plate by a plurality of screws, a guide column is inserted in the guide sleeve, and the lower end of the guide column passes through the guide hole and is connected to the base.
[0010] Specifically, the upper surface of the fixed seat is recessed downward to form a first semicircular groove, the upper surface of the movable seat is recessed downward to form a second semicircular groove, and the flow meter tube body is inserted in the first semicircular groove and the second semicircular groove.
[0011] Specifically, the movable end of the driving cylinder is threadedly connected with a straight thread barrel, and the lower end of the straight thread barrel is connected and fixed to the supporting plate.
[0012] Beneficial effects of the present invention: 1. Use the fixed seat and the movable seat to support both ends of the flow meter tube body, then control the extension of the holding cylinder to hold the pressure head on the flow meter tube body to complete the restriction of the flow meter tube body position, turn the adjusting screw to make the rubber plugging plate seal one end of the flow meter tube body, then control the extension of the horizontal cylinder to insert the plug into the other end of the flow meter tube body, then control the extension of the driving cylinder to make the support plate drive the flow meter tube body to immerse in the water in the water tank, open the valve on the compressed gas tank, and let the compressed gas flow into the flow meter tube body through the hose, hollow head and plug, and observe whether there are bubbles in the water in the water tank, so as to achieve the purpose of detecting the sealing of the flow meter tube body.
[0013] 2. Adjust the position of the movable bracket plate along the guide rail. At this time, the movable bracket plate drives the movable seat to move. At this time, the distance between the movable seat and the fixed seat changes. When the distance between the fixed seat and the movable seat meets the length requirement of the flow meter tube body, use the positioning screw to limit the relative position of the support ear and the guide rail to achieve convenient adjustment of the position of the movable seat. It is suitable for clamping flow meter tubes of different lengths, expanding the scope of application. There is no need to make different types of clamps to perform water immersion leak detection on the flow meter tube body, which is easy to manage.
[0014] 3. A plurality of support rings arranged up and down are provided on the upper side of the hollow head, and the hose is inserted into the support ring. When the support plate moves upward or downward under the action of the driving cylinder, the support ring supports the bent hose, so that the end of the hose close to the hollow head presents a smooth transition bend, thereby preventing the side of the hose close to the hollow head from being poorly ventilated due to too many and too large bends.
[0015] 4. Make the screw rod pass through the channel formed by multiple vertical holes, and then use two limit nuts to limit the relative position of the support ring and the screw rod, so as to increase the number of support rings as needed and adjust the spacing between the support rings as needed. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings: Figure 1 It is a structural schematic diagram of a flow meter pipe immersion leak detection device of the present invention; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 A three-dimensional diagram of a flow meter pipe body immersion leak detection device according to the present invention from another perspective; Figure 4 for Figure 3 Enlarged view of point B in the middle; Figure 5It is a schematic diagram of the assembly of a pressure-holding cylinder, a support lug and a movable support plate in a water-immersion leak detection device for a flow meter pipe body of the present invention; Figure 6 It is a schematic diagram of the assembly of a hollow core head, a hose, a support ring, a horizontal cylinder and a positioning seat in a water-immersed leak detection device for a flow meter pipe body of the present invention; In the figure: 1, top plate, 2, driving cylinder, 3, side plate, 4, hose, 5, horizontal cylinder, 6, positioning seat, 7, fixed seat, 8, fixed bracket plate, 9, base, 10, support plate, 11, movable seat, 12, support, 13, adjusting screw, 14, guide sleeve, 15, guide column, 16, rubber plugging disk, 17, movable bracket plate, 18, holding cylinder, 19, pressure head, 20, straight thread barrel, 21, flow meter body, 22, guide rail, 23, vertical hole, 24, plug, 25, support ring, 26, screw, 27, limit nut, 28, hollow head, 29, positioning screw, 30, support ear, 31, threaded hole, 32, slot. DETAILED DESCRIPTION
[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.
[0018] See also Figure 1 and Figure 3 The present invention provides a technical solution: a flow meter pipe body immersion leak detection device, comprising a top plate 1, two side plates 3 are installed at both ends of the top plate 1, a base 9 for being installed at the bottom of the water tank is provided just below the top plate 1, the lower end of the side plate 3 is connected and fixed to the base 9, a driving cylinder 2 is installed at the middle position of the upper surface of the top plate 1, the movable end of the driving cylinder 2 penetrates the top plate 1 and is threadedly connected with a straight threaded tube 20, the lower end of the straight threaded tube 20 is connected and fixed to a supporting plate 10, the supporting plate 10 is arranged between the base 9 and the top plate 1, two guide holes are symmetrically provided on the upper surface of the supporting plate 10, a guide sleeve 14 is provided on the upper side of the guide hole, the lower end of the guide sleeve 14 is connected to the supporting plate 10 by a plurality of screws, a guide column 15 is inserted in the guide sleeve 14, the lower end of the guide column 15 penetrates the guide hole and is connected to the base 9, the driving cylinder 2 drives the supporting plate 10 to move downward or upward during the extension and retraction process, so that the supporting plate 10 drives the guide sleeve 14 to move along the guide column 15, so as to limit the moving trajectory of the supporting plate 10.
[0019] See also Figure 1-Figure 6A fixed seat 7 for supporting the flow meter tube body 21 is installed on one side of the upper surface of the support plate 10, and a movable seat 11 for supporting the flow meter tube body 21 is slidably installed on the side of the upper surface of the support plate 10 away from the fixed seat 7. The upper surface of the fixed seat 7 is recessed downward to form a first semicircular groove, and the upper surface of the movable seat 11 is recessed downward to form a second semicircular groove, wherein the flow meter tube body 21 is inserted in the first semicircular groove and the second semicircular groove. A fixed bracket plate 8 is installed at a position of the support plate 10 close to the fixed seat 7, and a movable seat 11 connected and fixed to the movable seat 11 is slidably installed at a position of the support plate 10 close to the movable seat 11. The movable support plate 17, the active support plate 17 and the fixed support plate 8 are all L-shaped structures, and a holding cylinder 18 is installed on the upper surface of the movable support plate 17 and the upper surface of the fixed support plate 8. A pressure head 19 for holding the flow meter tube body 21 is installed on the movable end of the holding cylinder 18. The two pressure heads 19 are respectively arranged above the fixed seat 7 and above the movable seat 11. The fixed seat 7 and the movable seat 11 are used to support the two ends of the flow meter tube body 21, and then the holding cylinder 18 is controlled to extend so that the pressure head 19 is pressed on the flow meter tube body 21 to complete the restriction of the position of the flow meter tube body 21.
[0020] See also Figure 1-Figure 6 A support 12 is installed on the side of the movable seat 11 away from the fixed seat 7. The support 12 is an L-shaped structure. A screw hole is opened on the side of the vertical part of the support 12 facing the movable seat 11. An adjusting screw 13 is connected to the inner thread of the screw hole. A rubber plugging disk 16 for plugging the flow meter tube body 21 is installed on the end of the adjusting screw 13 close to the movable seat 11. A positioning seat 6 is provided on the side of the fixed seat 7 away from the movable seat 11. The positioning seat 6 is connected and fixed to the support plate 10 by screws. A horizontal cylinder 5 is installed on the side of the positioning seat 6 away from the fixed seat 7. The movable end of the horizontal cylinder 5 passes through the positioning seat 6 and is installed with a hollow head 28. A hollow plug 24 is installed on the end of the hollow head 28 away from the horizontal cylinder 5. The plug 24 and the hollow The heads 28 are connected, the plug 24 is inserted in the flow meter body 21, and a hose 4 for connecting to the air outlet of the compressed gas tank is installed on the upper portion of the outer surface of the hollow head 28. Turn the adjusting screw 13 to make the rubber plugging disk 16 seal one end of the flow meter body 21, and then control the horizontal cylinder 5 to extend so that the plug 24 is inserted in the other end of the flow meter body 21, and then control the driving cylinder 2 to extend so that the support plate 10 drives the flow meter body 21 to be immersed in the moisture in the water tank. After opening the valve on the compressed gas tank, the compressed gas flows into the flow meter body 21 through the hose 4, the hollow head 28 and the plug 24, and observe whether there are bubbles in the moisture in the water tank, thereby achieving the purpose of detecting the sealing of the flow meter body 21.
[0021] See also Figure 1-Figure 6A plurality of support rings 25 arranged up and down are provided on the upper side of the hollow head 28, and the support rings 25 are sleeved on the hose 4. The outer surfaces of the plurality of support rings 25 are provided with vertical holes 23, and a screw 26 is inserted in the channel formed by the plurality of vertical holes 23. The lower end of the screw 26 is connected and fixed to the hollow head 28. The upper and lower sides of the plurality of vertical holes 23 are provided with a limiting nut 27, and the limiting nut 27 is threadedly connected to the screw 26. A plurality of support rings 25 arranged up and down are provided on the upper side of the hollow head 28, and the hose 4 is inserted in the support ring 25. When the support plate 10 is driven When the movable cylinder 2 moves upward or downward, the support ring 25 supports the bent hose 4, so that the end of the hose 4 close to the hollow head 28 presents a smooth transition bend, to prevent the side of the hose 4 close to the hollow head 28 from being poorly ventilated due to too many bends, so that the screw rod 26 passes through the channel formed by multiple vertical holes 23, and then two limit nuts 27 are used to limit the relative position of the support ring 25 and the screw rod 26, so as to increase the number of support rings 25 as needed and adjust the spacing between the support rings 25 as needed.
[0022] See also Figure 1-Figure 6 The lower surface of the vertical part of the movable bracket plate 17 is processed with a slot 32, and the guide rail 22 is inserted in the slot 32. The cross section of the slot 32 is a "T" shape, and the cross section of the guide rail 22 is a "T" shape. The guide rail 22 is installed on the upper surface of the support plate 10. A lug 30 is installed at the lower position of one side of the movable bracket plate 17. The lug 30 is arranged on the upper side of the slot 32 and the lug 30 is in sliding contact with the upper surface of the guide rail 22. A plurality of threaded holes 31 are opened on the upper surface of the lug 30. The threaded holes 31 are connected with positioning screws 29 for limiting the relative position of the lug 30 and the guide rail 22. The rail 22 adjusts the position of the movable bracket plate 17. At this time, the movable bracket plate 17 drives the movable seat 11 to move. At this time, the distance between the movable seat 11 and the fixed seat 7 changes. When the distance between the fixed seat 7 and the movable seat 11 meets the length requirement of the flow meter tube body 21, the positioning screw 29 is used to limit the relative position of the support ear 30 and the guide rail 22, so as to realize the convenient adjustment of the position of the movable seat 11. It is suitable for the clamping needs of flow meter tube bodies 21 of different lengths, expands the scope of application, and does not need to make different types of clamps to perform water immersion leak detection of the flow meter tube body, which is convenient for management.
[0023] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A flow meter tube immersion leak detection device, comprising a top plate (1), characterized in that: Two side plates (3) are installed at both ends of the top plate (1). A base (9) for installation at the bottom of the water tank is provided directly below the top plate (1). The lower end of the side plate (3) is connected and fixed to the base (9). A driving cylinder (2) is installed at the middle position of the upper surface of the top plate (1). The movable end of the driving cylinder (2) passes through the top plate (1) and is installed with a support plate (10). The support plate (10) is arranged between the base (9) and the top plate (1). A fixed seat (7) for supporting a flow meter tube body (21) is installed on one side of the upper surface of the support plate (10). A movable seat (11) for supporting a flow meter tube body (21) is slidably installed on the side of the upper surface of the support plate (10) away from the fixed seat (7). A fixed bracket plate (8) is installed at a position of the support plate (10) close to the fixed seat (7). The support plate (10) is slidably installed at a position of the movable seat (11). A movable support plate (17) connected and fixed to a movable seat (11) is movably mounted, the movable support plate (17) and the fixed support plate (8) both being L-shaped structures, a holding cylinder (18) is mounted on the upper surface of the movable support plate (17) and the upper surface of the fixed support plate (8), a pressure head (19) for holding a flow meter tube body (21) is mounted on the movable end of the holding cylinder (18), the two pressure heads (19) are respectively arranged directly above the fixed seat (7) and directly above the movable seat (11), a plugging member for plugging one end of the flow meter tube body (21) is mounted on a side of the movable seat (11) facing away from the fixed seat (7), an air injection member connected to the support plate (10) and used for injecting air into the flow meter tube body (21) is mounted on a side of the fixed seat (7) facing away from the movable seat (11), and the movable support plate (17) is connected to the support plate (10) via an adjusting member.
2. A flow meter tube immersion leak detection device according to claim 1, characterized in that: The sealing member comprises a support (12), the support (12) being installed on a side of the movable seat (11) facing away from the fixed seat (7), the support (12) being an L-shaped structure, a screw hole being provided on a side of a vertical portion of the support (12) facing the movable seat (11), an adjusting screw (13) being threadedly connected to the inner thread of the screw hole, and a rubber plugging disk (16) for sealing the flow meter tube body (21) being installed on one end of the adjusting screw (13) close to the movable seat (11).
3. The device for detecting leakage of a flow meter tube body immersed in water according to claim 1, characterized in that: The gas injection component comprises a positioning seat (6), a positioning seat (6) is provided on a side of the fixed seat (7) away from the movable seat (11), the positioning seat (6) is connected and fixed to the support plate (10) by screws, a horizontal cylinder (5) is installed on a side of the positioning seat (6) away from the fixed seat (7), the movable end of the horizontal cylinder (5) passes through the positioning seat (6) and is installed with a hollow head (28), the end of the hollow head (28) away from the horizontal cylinder (5) is installed with a hollow plug (24), the plug (24) is communicated with the hollow head (28), the plug (24) is inserted in the flow meter tube body (21), and a hose (4) for connecting to the gas outlet end of a compressed gas tank is installed at an upper position on the outer surface of the hollow head (28).
4. A flow meter tube immersion leak detection device according to claim 3, characterized in that: A plurality of support rings (25) arranged up and down are provided on the upper side of the hollow head (28); the support rings (25) are sleeved on the hose (4); vertical holes (23) are provided on the outer surfaces of the plurality of support rings (25); a screw rod (26) is inserted into a channel formed by the plurality of vertical holes (23); the lower end of the screw rod (26) is connected and fixed to the hollow head (28); and limiting nuts (27) are provided on the upper and lower sides of the plurality of vertical holes (23); the limiting nuts (27) are threadedly connected to the screw rod (26).
5. The device for detecting leakage of a flow meter tube body immersed in water according to claim 1, characterized in that: The adjusting member comprises a guide rail (22); a slot (32) is machined on the lower surface of the vertical portion of the movable support plate (17); the guide rail (22) is inserted into the slot (32); the slot (32) has a cross section in the shape of a letter "T"; the guide rail (22) has a cross section in the shape of a letter "T"; the guide rail (22) is mounted on the upper surface of the support plate (10); a lug (30) is mounted at the lower position of one side surface of the movable support plate (17); the lug (30) is arranged on the upper side of the slot (32) and the lug (30) is in sliding contact with the upper surface of the guide rail (22); a plurality of threaded holes (31) are formed on the upper surface of the lug (30); and a positioning screw (29) for limiting the relative position of the lug (30) and the guide rail (22) is connected to the inner thread of the threaded hole (31).
6. The device for detecting leakage of a flow meter tube body immersed in water according to claim 1, characterized in that: Two guide holes are symmetrically formed on the upper surface of the support plate (10), a guide sleeve (14) is provided on the upper side of the guide hole, the lower end of the guide sleeve (14) is connected to the support plate (10) via a plurality of screws, a guide column (15) is inserted in the guide sleeve (14), the lower end of the guide column (15) passes through the guide hole and is connected to the base (9).
7. The device for detecting leakage of a flow meter tube immersed in water according to claim 1, characterized in that: The upper surface of the fixed seat (7) is recessed downward to form a first semicircular groove, the upper surface of the movable seat (11) is recessed downward to form a second semicircular groove, and the flow meter tube body (21) is inserted into the first semicircular groove and the second semicircular groove.
8. The device for detecting leakage of a flow meter tube immersed in water according to claim 1, characterized in that: The movable end of the driving cylinder (2) is threadedly connected to a straight threaded barrel (20), and the lower end of the straight threaded barrel (20) is fixedly connected to the support plate (10).