CN220437506U

CN220437506U - Pipe network flowmeter mounting structure

Info

Publication number: CN220437506U
Application number: CN202322055932.3U
Authority: CN
Inventors: 李翔; 曾恬静; 李智; 赵兵
Original assignee: Lihero Technology Hunan Co ltd
Current assignee: Lihero Technology Hunan Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-02-02
Anticipated expiration: 2033-08-02

Abstract

The application discloses pipe network flowmeter mounting structure, it includes L type installing support and flow detection equipment, L type installing support includes vertical section and horizontal section, and L type installing support vertical section is fixed in the wall of a well, and L type installing support horizontal section is connected with flow detection equipment, is located drainage pipe in the pit and towards the low reaches direction, makes flow detection equipment forward drainage pipe water flow direction in the pit; the flow guide cover is arranged at the lower end of the vertical section of the L-shaped mounting bracket, and extends from the lower end of the vertical section of the L-shaped mounting bracket to be close to the bottom of the flow detection device, so that a smooth upstream surface is formed on one side of the upstream of the flow detection device, and the flow guide cover has the advantages that garbage in water flow can be guided to one side by the flow guide cover and cannot be mounted on the flow detection device, and therefore accuracy of flow measurement is guaranteed.

Description

Pipe network flowmeter mounting structure

Technical Field

The utility model relates to the technical field of pipe network flow monitoring, in particular to a pipe network flow meter mounting structure.

Background

In the urban underground drainage pipe network system, the underground water channel connected with the inspection well is a main drainage trunk line, and in the urban underground drainage process, the flow condition of each branch line of the underground water channel is required to be known so as to master the drainage capacity and pollution emission condition of the urban underground drainage pipe network system, thereby realizing effective supervision of sewage emission. If the flow measuring device is arranged in the drainage pipeline, the installation difficulty is increased, and the complicated flow condition is extremely easy to damage and lose the instrument, so that the greater operation and maintenance cost is brought, and the large-caliber pipeline flow measuring device is difficult to widely apply.

Referring to fig. 1, most underground drainage pipe network flow measuring devices in the present stage are provided with flow detecting devices at the tail end of an L-shaped bracket, the lower end of the L-shaped bracket is extended to the upstream of a drainage pipeline, the flow detecting devices are used for detecting the flow in the pipeline, the flow detecting devices are installed in a countercurrent mode in the pit, and impurities in the pipe network water body are easily accumulated on the flow detecting devices when the pipe is full due to the fact that the drainage amount of the drainage pipe network is not uniform, so that the flow detecting devices are invalid, normal detection of the flow is affected, and maintenance amount is increased. The patent with publication number CN110258750A discloses a drainage pipe network flow measuring method and device, and an automatic cleaning system is added to a flow measuring sensor to clean a sensor probe, so that the sensor is kept in a clean state.

Disclosure of Invention

The utility model provides a pipe network flowmeter mounting structure, which aims to solve the problems that sundries in pipe network water bodies are easy to gather on flow detection equipment when pipe is full, so that the flow detection equipment is invalid and the normal detection of flow is affected.

According to one aspect of the utility model, a pipe network flowmeter mounting structure is provided, and the pipe network flowmeter mounting structure comprises an L-shaped mounting bracket and flow detection equipment, wherein the L-shaped mounting bracket comprises a vertical section and a transverse section, the vertical section of the L-shaped mounting bracket is fixed on a well wall, the transverse section of the L-shaped mounting bracket is connected with the flow detection equipment, and is positioned in a downhole drainage pipeline and faces to the downstream direction, so that the flow detection equipment is forward to the water flow direction of the downhole drainage pipeline; the lower end of the vertical section of the L-shaped mounting bracket is provided with a guide cover, and the guide cover extends from the lower end of the vertical section of the L-shaped mounting bracket to be close to the bottom of the flow detection device, so that a smooth upstream surface is formed on one side of the upstream of the flow detection device.

By adopting the technical scheme, when the pipe network flow is detected, the L-shaped mounting bracket is arranged in the monitoring well, so that the top of the flow detection device is close to the upper wall surface of the downstream drainage pipeline, the upstream surface of the guide cover faces the water flow to the front, the flow detection device is positioned behind the guide cover, and garbage in the water flow can be guided to one side by the guide cover and cannot be mounted on the flow detection device, thereby ensuring the accuracy of flow measurement, avoiding a complex self-cleaning system, and reducing the maintenance work of related operation and maintenance personnel; in general, when the flow detection device is designed to measure the flow of fluid in a flowing water body, a specific installation direction exists, in the existing design, the flow detection device needs to be installed in a countercurrent mode so as to be opposite to the flow direction of the fluid, and the design of the scheme enables the flow detection device to be installed in a downstream direction, namely in a downstream mode, and the flow detection device is matched with a diversion cover for use, so that measurement accuracy can be improved.

Optionally, the vertical section of the L-shaped mounting bracket comprises a support pipe and a fixing device for fixing the support pipe, and the fixing device comprises a fixing seat, a fixing plate and a telescopic support rod; the fixed seat is used for being arranged on the well wall surface; the first end of the fixed plate is hinged with the fixed seat so as to adjust the pitch angle of the fixed plate by rotating the fixed plate, and the second end of the fixed plate is fixedly connected with the supporting tube; the first end of the telescopic supporting rod is hinged with the fixed seat, and the second end of the telescopic supporting rod is hinged with the fixed plate to support the fixed plate.

Through adopting above-mentioned technical scheme, can adjust the fixed plate for the pitch angle of fixing base through the flexible regulation control of length of adjusting flexible supporting rod, because stay tube and fixed plate fixed connection, so the stay tube can swing in vertical direction when the fixed plate every single move is swung, when the wall body roughness of wall of the well wall leads to the installation of fixing base to appear the slope, only need adjust the length of flexible supporting rod, make the fixed plate swing to horizontal position, can make the stay tube keep vertical, and then avoid the flow measurement equipment to appear the wandering condition, reduce the roughness of wall of a well to influence the influence of flow measurement precision, the angle assurance stay tube of adjusting the stay tube through fixing device is vertical to be gone into the monitoring well, reduce installer's the operation degree of difficulty, be convenient for adjust the angle after the installation simultaneously, thereby improve the degree of accuracy of flow measurement.

Optionally, a positioning column arranged along the length direction of the support tube is fixed on the fixing plate, and a positioning sleeve in plug-in fit with the positioning column is arranged on the support tube.

Through adopting above-mentioned technical scheme, when installing pipe network flowmeter mounting structure, only need fix fixing device on the inner wall of a well earlier, then install the stay tube again, can accomplish the fixed to the installation tube with the position sleeve pipe cover on the stay tube on the reference column, it is comparatively convenient to install, and installer's operation degree of difficulty is lower.

Optionally, the diameter of the positioning column is gradually reduced from one end close to the fixing plate to one end far away from the fixing plate, and the inner wall of the positioning sleeve is matched with the positioning column.

Through adopting above-mentioned technical scheme, reference column and positioning sleeve are the conical surface cooperation, and the installation is comparatively convenient on the one hand, and reference column top diameter is less, is convenient for insert in the positioning sleeve, and on the other hand conical surface cooperation can play automatic centering's effect, only need to establish the positioning sleeve pipe cover on the reference column can accomplish the location, need not extra positioning operation.

Optionally, be provided with the connecting piece between stay tube and the reference column, the connecting piece includes connecting plate and staple bolt, and the staple bolt passes through fixing bolt to be connected with the connecting plate to form the centre gripping space that is used for the centre gripping stay tube between staple bolt and the connecting plate, positioning sleeve and connecting plate fixed connection.

Through adopting above-mentioned technical scheme, after unscrewing the nut on the staple bolt, the stay tube can slide in the staple bolt, and then can adjust the vertical position of stay tube to the height of the current measuring equipment of control stay tube bottom installation.

Optionally, a notch for being matched with the support pipe in a clamping way is formed at one end, far away from the fixing seat, of the fixing plate.

Through adopting above-mentioned technical scheme, notch and stay tube outer wall cooperation can play the effect of supplementary support stay tube, make the stay tube more stable, be difficult for taking place to rock.

Optionally, the one end that flow check out test set was kept away from to the stay tube is provided with the handle, the handle includes horizontal pole and connecting rope, the horizontal pole runs through the stay tube along the direction of perpendicular stay tube, the both ends of connecting rope respectively with the both ends fixed connection of horizontal pole.

Through adopting above-mentioned technical scheme, because the stay tube outer wall is the face of cylinder, does not have suitable stress point and is difficult to hoist and mount, through setting up the handle, when installation stay tube and regulation stay tube height, the staff can be through lifting and pulling the connecting rope and then hoist the stay tube.

Optionally, the stay tube includes a plurality of unit pipes that set up in series, and unit pipe both ends all are provided with the external screw thread, are provided with the adapter sleeve between the adjacent unit pipe, and the both ends of adapter sleeve are connected with corresponding unit pipe screw thread respectively.

By adopting the technical scheme, the number of the unit pipes can be determined according to the depth of the monitoring well, and the deeper the depth of the detection well is, the more the number of the unit pipes is; adjacent unit pipes are connected through the connecting sleeve, the connecting sleeve is in threaded fit with the unit pipes, and the unit pipes are convenient to detach and install, so that the application range of the scheme is wider, and the unit pipes can adapt to detection wells with different depths.

Optionally, the stay tube bottom is provided with the support, the support includes fixed connection's linkage segment and support section, the linkage segment is coaxial with the stay tube and is fixed in on the stay tube, support section is perpendicular with the linkage segment, and the one end that the linkage segment was kept away from to the support section is used for installing flow detection equipment.

Through adopting above-mentioned technical scheme, set up the purpose of support on the stay tube and provide a mounting platform for the current measurement equipment, can let simultaneously keep a certain distance between current measurement equipment and the stay tube, avoid the stay tube to hinder rivers and then influence measurement accuracy.

Optionally, the air guide sleeve is made of flexible materials.

By adopting the technical scheme, because the water flow speed of the drainage pipeline is not constant, when the water flow speed is changed, the guide cover can generate reciprocating vibration, so that garbage is not easy to gather on the upstream surface of the guide cover.

Optionally, the kuppe includes fixed connection's cover body and connecting rod, the upstream face is located the cover body is last, connecting rod one end and leg joint, one end and cover body coupling.

Through adopting above-mentioned technical scheme, because the kuppe receives rivers and assaults to when rubbish and kuppe contact, the kuppe can bear bigger load, and these loads can be used on the connecting rod, make the connecting rod easily take place to warp, through leaning on the connecting rod on the support, can increase the area of force, make the connecting rod can bear great load.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the pipe network flow is detected, the L-shaped mounting bracket is arranged in the monitoring well, so that the top of the flow detection device is close to the upper wall surface of the downstream drainage pipeline, the upstream surface of the guide cover faces the water flow, the flow detection device is positioned at the rear of the guide cover, garbage in the water flow can be guided to one side by the guide cover and cannot be mounted on the flow detection device, the accuracy of flow measurement is ensured, a complex self-cleaning system is not needed, and the maintenance work of related operation and maintenance personnel can be reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a prior art pipe network flow meter installation structure;

FIG. 2 is a schematic view of a pipe network flow meter mounting structure according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic illustration of a pipe network flow meter installation structure in a monitoring well according to a preferred embodiment of the present utility model.

Legend description:

1. a support tube; 2. a fixing device; 3. a connecting piece; 4. a guide cover; 5. a bracket; 6. a hoop; 7. a fixing bolt; 8. positioning the sleeve; 9. positioning columns; 10. an equipment mounting seat; 11. a handle; 12. a fixing seat; 13. a fixing plate; 14. a telescopic support rod; 15. a notch; 16. connecting sleeves; 17. a flow rate detection device.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.

The present application is described in further detail below in conjunction with figures 2-3.

Referring to fig. 2 and 3, an embodiment of the application discloses a pipe network flowmeter mounting structure, which comprises an L-shaped mounting bracket and a flow detection device 17, wherein the L-shaped mounting bracket comprises a vertical section and a transverse section, the vertical section of the L-shaped mounting bracket is fixed on a well wall, the transverse section of the L-shaped mounting bracket is connected with the flow detection device 17, and is positioned in an underground drainage pipeline and faces to a downstream direction, so that the flow detection device 17 is in the water flow direction of the underground drainage pipeline; the lower end of the vertical section of the L-shaped mounting bracket is provided with a guide cover 4, and the guide cover 4 extends from the lower end of the vertical section of the L-shaped mounting bracket to be close to the bottom of the flow detection device 17, so that a smooth upstream surface is formed on the upstream side of the flow detection device 17.

When the pipe network flow is detected, the L-shaped mounting bracket is arranged in the monitoring well, so that the top of the flow detection device is close to the upper wall surface of the downstream drainage pipeline, the upstream surface of the guide cover 4 faces the water flow, the flow detection device 17 is positioned at the rear of the guide cover 4, and garbage in the water flow can be guided to one side by the guide cover 4 and cannot be mounted on the flow detection device 17, thereby ensuring the accuracy of flow measurement, and reducing the maintenance work of related operation and maintenance personnel. Optionally, the flow detection device 17 is a radar flowmeter, an ultrasonic flowmeter or a radar-ultrasonic two-in-one flowmeter, and the probe of the flow detection device can accurately measure the flow of water in the pipeline along the water flow direction under the condition that the pipeline is full of water and the pipeline is not full of water. Optionally, the guide cover 4 is made of flexible materials, and because the water flow speed of the drainage pipeline is not constant, when the water flow speed is changed, the guide cover can generate reciprocating vibration, so that garbage is not easy to gather on the upstream surface of the guide cover.

The vertical section of the L-shaped mounting bracket comprises a supporting pipe 1 and a fixing device 2 for fixing the supporting pipe 1, wherein the fixing device 2 comprises a fixed seat 12, a fixed plate 13 and a telescopic supporting rod 14; the fixed seat 12 is used for being mounted on the well wall surface; the first end of the fixed plate 13 is hinged with the fixed seat 12 so as to adjust the pitch angle of the fixed plate 13 by rotating the fixed plate 13, and the second end of the fixed plate 13 is fixedly connected with the support tube 1; the first end of the telescopic supporting rod 14 is hinged with the fixed seat 12, and the second end of the telescopic supporting rod 14 is hinged with the fixed plate 13 to support the fixed plate 13. When the inclination occurs in the installation of the fixed seat 12 due to the uneven wall of the well wall, the length of the telescopic supporting rod 14 is only required to be adjusted, so that the fixing plate 13 swings to a horizontal position, the supporting tube 1 can be kept vertical, and further the phenomenon that the flow measuring equipment is warped is avoided.

Optionally, in order to enable the fixing base 12 to be stably fixed on the wall of the monitoring well, the upper section and the lower section of the fixing base 12 are respectively penetrated by bolts fixedly connected with the wall of the monitoring well. In order to keep the length of the telescopic supporting rod 14 fixed after the telescopic adjustment is completed, optionally, in a specific embodiment, the telescopic supporting rod 14 is manually adjusted, the telescopic supporting rod 14 comprises a small pipe and a large pipe sleeved on the small pipe, the small pipe and the large pipe can slide relatively along the length direction, a locking bolt is connected to the large pipe in a threaded manner, and the end face of the locking bolt abuts against the outer wall of the small pipe to lock the large pipe and the small pipe; in another specific embodiment, the telescopic support bar 14 is hydraulically or pneumatically driven, and the telescopic support bar 14 is hydraulically or pneumatically controlled to retract and lock by the outer wall.

In order to facilitate the connection operation of the support tube 1 and the fixing plate 13, the fixing plate 13 is fixed with a positioning column 9 arranged along the length direction of the support tube 1, and the support tube 1 is provided with a positioning sleeve 8 in plug-in fit with the positioning column 9. When in installation, the positioning sleeve 8 is sleeved on the positioning column 9, and the connection between the support tube 1 and the fixing plate 13 can be completed. Optionally, in order to enhance the positioning accuracy of the positioning column 9 and the positioning sleeve 8, the diameter of the positioning column 9 is gradually reduced from one end close to the fixing plate 13 to one end far away from the fixing plate 13, and the inner wall of the positioning sleeve 8 is matched with the positioning column 9. The conical surface positioning through the positioning column 9 and the positioning sleeve 8 can play a role in automatic centering, and is convenient in connection.

In order to be able to adjust the vertical position of stay tube 1, optionally, be provided with connecting piece 3 between stay tube 1 and the reference column 9, connecting piece 3 includes connecting plate and staple bolt 6, and staple bolt 6 passes through fixing bolt 7 to be connected with the connecting plate, makes to form the centre gripping space that is used for centre gripping stay tube 1 between staple bolt 6 and the connecting plate, reference column 9 and connecting plate fixed connection. After the nuts on the anchor ear 6 are unscrewed, the anchor ear 6 can be unlocked to lock the support tube 1, so that the support tube 1 can be adjusted in a vertical sliding mode, and after the nuts on the anchor ear 6 are screwed, the support tube 1 can be clamped to limit the vertical movement of the support tube 1. Optionally, in order to enhance the stability of locking the support tube 1, two hoops 6 are provided along the length direction of the support tube 1, and the two hoops 6 lock the support tube 1 at the same time.

One end of the support tube 1 far away from the flow detection device 17 is provided with a handle 11, the handle 11 comprises a cross rod and a connecting rope, the cross rod penetrates through the support tube 1 along the direction perpendicular to the support tube 1, and two ends of the connecting rope are fixedly connected with one end of the cross rod respectively. When installing the support pipe 1 and adjusting the height of the support pipe 1, a worker can move the support pipe 1 up and down by pulling the connecting rope. Optionally, in order to improve the firmness of the handle 11, the cross bar is a steel bar, and the connecting rope is a steel wire rope.

The fixed plate 13 is formed with a notch 15 for snap-fit engagement with the support tube 1 at one end thereof remote from the fixed seat 12. In particular embodiments, the slot 15 is square or semi-circular in shape. The notch 15 and the outer wall of the support tube 1 are matched to assist in supporting the support tube 1, so that the support tube 1 is more stable.

The support pipe 1 bottom is provided with support 5, and support 5 includes fixed connection's linkage segment and supporting segment, and the linkage segment is coaxial with support pipe 1 and is fixed in on the support pipe 1, and the supporting segment is perpendicular with the linkage segment, and the one end that the linkage segment was kept away from to the supporting segment is fixed with equipment mount pad 10, and equipment mount pad 10 is used for installing flow detection equipment 17.

The support 5 is provided with a guide cover 4, and the guide cover 4 forms a smooth upstream surface on the upstream side of the flow detection device 17. The kuppe 4 includes fixed connection's cover body and connecting rod, and the upstream face is located the cover body, and connecting rod one end and support 5 fixed connection, one end and cover body coupling. When rubbish contacts with the kuppe, the kuppe can bear bigger load, and these loads can be used on the connecting rod, make the connecting rod be liable to take place to warp, through supporting the connecting rod on the support, can increase the area of force, make the connecting rod can bear great load.

The stay tube 1 includes a plurality of unit pipes that establish ties and set up, and unit pipe both ends all are provided with the external screw thread, are provided with adapter sleeve 16 between the adjacent unit pipe, and the both ends of adapter sleeve 16 respectively with corresponding unit pipe threaded connection, the degree of depth of monitoring well can be confirmed according to the quantity of unit pipe, and the degree of depth of detection well is the more, and the quantity of unit pipe is the more, can adapt to the detection well of different degree of depth.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A pipe network flowmeter mounting structure is characterized in that,

the device comprises an L-shaped mounting bracket and flow detection equipment (17), wherein the L-shaped mounting bracket comprises a vertical section and a transverse section, the vertical section of the L-shaped mounting bracket is fixed on a well wall, the transverse section of the L-shaped mounting bracket is connected with the flow detection equipment (17) and is positioned in an underground drainage pipeline and faces to the downstream direction, so that the flow detection equipment (17) is forward to the water flow direction of the underground drainage pipeline;

the lower end of the vertical section of the L-shaped mounting bracket is provided with a guide cover (4), and the guide cover (4) extends from the lower end of the vertical section of the L-shaped mounting bracket to be close to the bottom of the flow detection device (17), so that a smooth water-facing surface is formed on one side of the upstream of the flow detection device (17).

2. The pipe network flow meter mounting structure of claim 1, wherein,

the vertical section of the L-shaped mounting bracket comprises a supporting pipe (1) and a fixing device (2) for fixing the supporting pipe (1), wherein the fixing device (2) comprises a fixing seat (12), a fixing plate (13) and a telescopic supporting rod (14);

the fixed seat (12) is used for being arranged on the well wall surface;

the first end of the fixed plate (13) is hinged with the fixed seat (12) so as to adjust the pitch angle of the fixed plate (13) by rotating the fixed plate (13), and the second end of the fixed plate (13) is fixedly connected with the supporting tube (1);

the first end of the telescopic supporting rod (14) is hinged with the fixed seat (12), and the second end of the telescopic supporting rod (14) is hinged with the fixed plate (13) to support the fixed plate (13).

3. The pipe network flow meter mounting structure of claim 2, wherein,

the positioning sleeve (8) which is in plug-in fit with the positioning column (9) is arranged on the supporting tube (1).

4. The pipe network flow meter mounting structure of claim 3, wherein,

the diameter of the positioning column (9) is gradually reduced from one end close to the fixed plate (13) to one end far away from the fixed plate (13), and the inner wall of the positioning sleeve (8) is matched with the positioning column (9).

5. The pipe network flow meter mounting structure of claim 3, wherein,

the support tube is characterized in that a connecting piece (3) is arranged between the support tube (1) and the positioning column (9), the connecting piece (3) comprises a connecting plate and a hoop (6), the hoop (6) is connected with the connecting plate through a fixing bolt (7), so that a clamping space for clamping the support tube (1) is formed between the hoop (6) and the connecting plate, and the positioning sleeve (8) is fixedly connected with the connecting plate.

6. The pipe network flow meter mounting structure of claim 3, wherein,

one end of the fixed plate (13) far away from the fixed seat (12) is provided with a notch (15) for being in clamping fit with the support tube (1).

7. The pipe network flow meter mounting structure of claim 2, wherein,

one end of the supporting tube (1) far away from the flow detection equipment (17) is provided with a handle (11), the handle (11) comprises a cross rod and a connecting rope, the cross rod penetrates through the supporting tube (1) along the direction perpendicular to the supporting tube (1), and two ends of the connecting rope are fixedly connected with two ends of the cross rod respectively.

8. The pipe network flow meter mounting structure of claim 2, wherein,

the supporting tube (1) comprises a plurality of unit tubes which are arranged in series, external threads are arranged at two ends of each unit tube, connecting sleeves (16) are arranged between adjacent unit tubes, and two ends of each connecting sleeve (16) are respectively connected with corresponding unit tubes in a threaded mode.

9. The pipe network flow meter mounting structure of claim 2, wherein,

the support tube (1) bottom is provided with support (5), support (5) are including fixed connection's linkage segment and supporting segment, the linkage segment is coaxial with support tube (1) and be fixed in on support tube (1), the supporting segment is perpendicular with the linkage segment, and the one end that the linkage segment was kept away from to the supporting segment is used for installing flow detection equipment (17).

10. The pipe network flow meter mounting structure of claim 1, wherein,

the air guide sleeve (4) is made of flexible materials.