CN216431280U

CN216431280U - Oil gas pipeline bending deformation monitoring devices

Info

Publication number: CN216431280U
Application number: CN202122689134.7U
Authority: CN
Inventors: 潘玉林
Original assignee: Sichuan Dacheng Chuangxin Petroleum Engineering Technology Co ltd
Current assignee: Sichuan Dacheng Chuangxin Petroleum Engineering Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-03
Anticipated expiration: 2031-11-04

Abstract

The application provides an oil gas pipeline bending deformation monitoring devices belongs to monitoring technical field. The oil and gas pipeline bending deformation monitoring device comprises a supporting and limiting assembly and a side moving assembly. The limit component comprises a fixed plate, a first telescopic rod, a sucker, a second telescopic rod and a V-shaped clamping block, the bottom of the fixed plate is symmetrically and fixedly connected with a universal joint, the V-shaped clamping block is in bolted connection with the other end of the second telescopic rod, one end of a third telescopic rod is in sliding connection with the middle position of the side wall of the support, and the measuring ball is in rotating connection with the middle position of one end of the third telescopic rod. Through the design of this device, whether bending deformation appears in the oil gas pipeline that is using is realized to global design and is carried out monitoring function, makes its mode of optimizing conventional manual work and suspension wire mode monitoring, simultaneously, through the design of this device, optimizes artifical monitoring mode, can attach at the pipeline outer wall constantly and monitor the use.

Description

Oil gas pipeline bending deformation monitoring devices

Technical Field

The application relates to the technical field of monitoring, particularly, relate to an oil gas pipeline bending deformation monitoring devices.

Background

The pipeline generally refers to a device which is connected through pipes, pipe connectors, valves and the like and used for conveying gas, liquid or fluid with solid particles, the pipeline has wide application, and is mainly used in water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices, at present, when in actual use, the oil and gas conveying pipeline part can be erected and leaked in the air, the laying cost is reduced, and the subsequent maintenance and dismantling are convenient, meanwhile, due to comprehensive complex factors such as service life problems, external environment factor problems, material problems and the like, the oil and gas pipeline basically generates micro-deformation and bending after a certain time, but at present, no corresponding oil and gas pipeline bending deformation monitoring device is used for effective monitoring, so that when the oil and gas generates micro-deformation and bending, bending deformation can be judged basically only by matching with the self experience of workers and a suspension wire mode, the accuracy cannot be guaranteed, and meanwhile, the effect of monitoring at any moment cannot be achieved in a manual mode.

SUMMERY OF THE UTILITY MODEL

In order to compensate for above not enough, the application provides an oil gas pipeline bending deformation monitoring devices, aims at improving the oil gas pipeline and lacks the problem of corresponding moment monitoring pipeline bending deformation device.

The embodiment of the application provides an oil and gas pipeline bending deformation monitoring devices, including limit subassembly and side subassembly that moves.

A limit subassembly includes fixed plate, first telescopic link, sucking disc, second telescopic link and V type clamp splice, the equal symmetrical fixedly connected with universal joint in fixed plate bottom, the equal symmetrical screw thread of first telescopic link one end cup joint in universal joint one end, the sucking disc rotate connect in the first telescopic link other end, the symmetrical fixed connection of second telescopic link one end in fixed plate bottom, V type clamp splice bolted connection in the second telescopic link other end, it includes support, third telescopic link and surveys the ball to move the side subassembly, support bolted connection is in two between the fixed plate, third telescopic link one end sliding connection in support lateral wall position placed in the middle, just third telescopic link one end with the support joint, survey the ball rotate connect in third telescopic link one end position placed in the middle.

In the implementation process, through the design of a universal joint, the design of the rotary connection of a first telescopic rod is realized, after the device is adjusted to a proper direction, the rotary connection of the sucker and the first telescopic rod is realized, the rotary adjustment is carried out, the device is finally adsorbed to the outer wall of the oil and gas pipeline through the sucker, at the moment, the position of a V-shaped clamping block is telescopically adjusted through a second telescopic rod, the angle of the V-shaped clamping block can be adjusted through the bolt connection design of the V-shaped clamping block and a second fixed rod, the limit of a fixed plate is finally realized, the fixed plate can not rotate and move, and further the support limit of a bracket is realized, at the moment, a third telescopic rod and a measuring ball are positioned at the middle position of the upper surface of the oil and gas pipeline, at the moment, the position of the measuring ball is adjusted through the third telescopic rod, the outer wall of the measuring ball is attached to the outer wall of the oil and gas pipeline, the middle position of the upper surface of the oil and gas pipeline is driven to move through the movement of the third telescopic rod, when the outer wall of the oil and gas pipeline is bent and deformed, survey the ball and be obstructed unable removal or directly make somebody a mere figurehead unable with the laminating of oil gas pipeline outer wall, can know the problem point, simultaneously, when surveying the ball and remove unable when becoming a straight line, can know the problem point equally, through the design of this device, whether bending deformation appears in the oil gas pipeline that is using the global design realization carries out monitoring function, make its mode of optimizing conventional manual work and suspension wire mode monitoring, simultaneously, through the design of this device, optimize artifical monitoring mode, can attach at the pipeline outer wall constantly and monitor the use.

In a specific embodiment, the first telescopic rod comprises a first supporting rod and a second supporting rod, the second supporting rod is inserted into the first supporting rod in a sliding mode, and the first supporting rod is connected with the second supporting rod in a pin mode.

In the above-mentioned realization process, wholly constitute first telescopic link through first bracing piece and second bracing piece, and then drive the sucking disc and stretch out and draw back, be convenient for adsorb the oil gas pipeline of different diameters, simultaneously, the second bracing piece is located pin joint position interval distribution and has the pinhole, first bracing piece lateral wall threaded connection has the locking to detain, and the one end pin joint through the locking knot realizes in the pinhole that the pin joint is spacing.

In a specific embodiment, the first support rod is far away from one end of the second support rod and is fixedly connected with a threaded head, one end of the universal joint is in threaded connection with the interior of the threaded head, the other end of the universal joint is fixedly connected with ten thousand seats, and the ten thousand seats are fixedly connected with the outer wall of the fixed plate.

In the implementation process, the threaded connection design between the first support rod and the universal joint is realized through the design of the threaded head, so that the first support rod and the universal joint are convenient to follow-up disassembly and replacement, and meanwhile, the universal joint and the fixed plate are fixedly connected through the design of the universal seat.

In a specific embodiment, the suction cup is fixedly connected with a suction seat on the upper surface, the suction seat is fixedly connected with a support column on the upper surface, and the support column is rotatably connected to the bottom of the second support rod.

In the implementation process, the rotation connection design between the sucker and the second support rod is realized through the support column design and the overall design, so that the sucker and the second support rod are convenient to adsorb and fix oil and gas pipelines with different diameters.

In a specific embodiment, the second telescopic rod comprises a first fixing rod and a second fixing rod, the second fixing rod is movably inserted into the first fixing rod, the first fixing rod and the second fixing rod are in pin joint, the first fixing rod is located at one end far away from the second fixing rod and is fixedly connected with a fixing seat, the fixing seat is fixedly connected to the bottom of the fixing plate, and the V-shaped clamping block is in bolt connection with the outer wall of the second fixing rod.

In the implementation process, the second telescopic rod is integrally formed by the first fixing rod and the second fixing rod, the V-shaped clamping blocks are attached to the outer wall of the oil and gas pipeline, the whole device is stable and limited, the V-shaped clamping blocks are connected to the outer wall of the second fixing rod through bolts, the bolts can be loosened in the design of the outer wall of the second fixing rod during actual use, the direction of the V-shaped clamping blocks is changed, and therefore the device can be conveniently matched with oil and gas pipelines with different diameters to be used.

In a specific embodiment, the support comprises a support plate and a fixed column, the support plate is symmetrically and fixedly connected to two ends of the fixed column, and the support plate is bolted to the side wall of the fixed plate.

In the implementation process, the support is integrally formed by the supporting plate and the fixing column, and the support is convenient to detach, maintain and transport through the bolt connection design.

In a specific implementation scheme, the third telescopic rod comprises a first adapting pipe and a second adapting pipe, the second adapting pipe is movably inserted into the first adapting pipe, the inner wall of the first adapting pipe and the outer wall of the second adapting pipe are sealed, the second adapting pipe is communicated with the first adapting pipe, and the side wall of the first adapting pipe is communicated with a feeding head.

In the above-mentioned realization in-process, wholly constitute the third telescopic link through first adapter tube and second adapter tube, through sealed design, prevent to be located that the material in first adapter tube from revealing, can add black ink in first adapter tube and the second adapter tube through the feed head, make it assist during follow-up supervision, be convenient for more directly perceivedly see whether oil gas pipeline bending deformation.

In a specific embodiment, the outer wall of the first adapting pipe is in threaded connection with a locking column, and one end of the locking column penetrates through the side wall of the first adapting pipe and is attached to the outer wall of the second adapting pipe.

In the above-mentioned realization process, through the design of locking post, make it realize spacing between first adapter and the second adapter, simultaneously, locking post outer wall is sealed with first adapter outer wall, avoids liquid to give off through connecting gap position.

In a specific implementation scheme, the bottom of the second bearing pipe is provided with a discharge hole, the outer wall of the second bearing pipe is fixedly sleeved with a bearing frame, and the measuring ball is rotatably connected in the bearing frame.

In the implementation process, the material in the first bearing pipe and the second bearing pipe can flow out through the discharge port, and meanwhile, the rotation connection design of the ball is integrally realized through the bearing frame design.

In a specific embodiment, through holes are distributed on the outer wall of the measuring ball at intervals, and the through holes are arranged corresponding to the discharge hole.

In the implementation process, through the design of the through holes, the material located at the discharge hole enters the through holes, finally flows into the outer wall of the oil and gas pipeline, and assists in monitoring whether the bending deformation problem occurs.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic side view of an embodiment of the present disclosure;

fig. 2 is a schematic front view structure provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a connection relationship between a first support rod and a second support rod according to an embodiment of the present disclosure;

fig. 4 is a front sectional view structural schematic diagram of a third telescopic rod provided in the embodiment of the present application.

In the figure: 100-a confinement assembly; 110-a fixed plate; 111-universal joint; 1111-ten thousand seats; 120-a first telescoping rod; 121-a first support bar; 1211-thread start; 122-a second support bar; 130-a suction cup; 131-a suction seat; 1311-supporting columns; 140-a second telescoping rod; 141-a first fixing bar; 1411-a holder; 142-a second fixing bar; a 150-V shaped clamp block; 200-shifting the side assembly; 210-a scaffold; 211-a support plate; 212-fixed columns; 220-a third telescopic rod; 221-a first bearing pipe; 2211-feed head; 2213-locking post; 222-a second bolster; 2221-discharge hole; 2222-receiving rack; 230-measuring ball; 231-through holes.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1, the present application provides an oil and gas pipeline bending deformation monitoring device, which includes a support assembly 100 and a side shifting assembly 200.

Wherein, realize this device and the oil gas pipeline adsorption of different diameters through a limit subassembly 100 and install, realize the bending deformation monitoring to the oil gas pipeline through moving side subassembly 200.

Referring to fig. 1, 2 and 3, the supporting and limiting assembly 100 includes a fixing plate 110, a first telescopic rod 120, a suction cup 130, a second telescopic rod 140 and a V-shaped clamping block 150, the bottom of the fixing plate 110 is symmetrically and fixedly connected with a universal joint 111, one end of the first telescopic rod 120 is symmetrically and threadedly coupled to one end of the universal joint 111, the suction cup 130 is rotatably connected to the other end of the first telescopic rod 120, the first telescopic rod 120 includes a first support rod 121 and a second support rod 122, the second support rod 122 is slidably inserted into the first support rod 121, the first support rod 121 is pinned to the second support rod 122, the first telescopic rod 120 is integrally formed by the first support rod 121 and the second support rod 122, the suction cup 130 is driven to extend and retract, so as to absorb oil and gas pipelines with different diameters, pin holes are spaced at the pinning positions of the second support rod 122, the side wall of the first support rod 121 is threadedly connected to a locking buckle, one end of the locking buckle is in pin joint in the pin hole to realize pin joint limiting.

In this document, a screw head 1211 is fixedly connected to an end of the first support rod 121, which is far away from the second support rod 122, an end of the universal joint 111 is screwed into the screw head 1211, and the other end of the universal joint 111 is fixedly connected with a universal seat 1111, the universal seat 1111 is fixedly connected with the outer wall of the fixed plate 110, through the design of the thread head 1211, the thread connection design between the first supporting rod 121 and the universal joint 111 is realized, so that the subsequent disassembly and replacement are convenient, meanwhile, the universal joint 111 is fixedly connected with the fixing plate 110 through the design of the universal seat 1111, the suction seat 131 is fixedly connected with the upper surface of the suction cup 130, the support column 1311 is fixedly connected with the upper surface of the suction seat 131, the support column 1311 is rotatably connected with the bottom of the second support rod 122, through the design of support column 1311, the overall design realizes the rotation connection design between sucking disc 130 and second bracing piece 122, makes it be convenient for adsorb fixedly to the oil gas pipeline of different diameters.

In this embodiment, one end of the second telescopic rod 140 is symmetrically and fixedly connected to the bottom of the fixing plate 110, the V-shaped clamping block 150 is bolted to the other end of the second telescopic rod 140, the second telescopic rod 140 includes a first fixing rod 141 and a second fixing rod 142, the second fixing rod 142 is movably inserted into the first fixing rod 141, and the first fixing rod 141 and the second fixing rod 142 are pinned, the first fixing rod 141 is located at the end far from the second fixing rod 142 and is fixedly connected to a fixing base 1411, the fixing base 1411 is fixedly connected to the bottom of the fixing plate 110, the V-shaped clamping block 150 is bolted to the outer wall of the second fixing rod 142, the second telescopic rod 140 is integrally formed by the first fixing rod 141 and the second fixing rod 142, the V-shaped clamping block 150 is attached to the outer wall of the oil and gas pipeline, so that the whole body of the device is stable and limited, the design that the V-shaped clamping block 150 is bolted to the outer wall of the second fixing rod 142 is adopted, and when in actual use, the bolts can be loosened, the direction of the V-shaped clamping block 150 is changed, so that the device can be conveniently matched with oil and gas pipelines with different diameters.

Referring to fig. 1, 2 and 4, the side moving assembly 200 includes a bracket 210, a third telescopic rod 220 and a measuring ball 230, the bracket 210 is bolted between two fixing plates 110, one end of the third telescopic rod 220 is slidably connected to the central position of the side wall of the bracket 210, one end of the third telescopic rod 220 is clamped with the bracket 210, the bracket 210 includes a supporting plate 211 and a fixing post 212, the supporting plate 211 is symmetrically and fixedly connected to two ends of the fixing post 212, the supporting plate 211 is bolted to the side wall of the fixing plate 110, the bracket 210 is integrally formed by the supporting plate 211 and the fixing post 212, and the bracket is convenient to detach, maintain and transport through a bolt connection design.

When the device is specifically arranged, the measuring ball 230 is rotatably connected to a central position at one end of the third telescopic rod 220, the third telescopic rod 220 comprises a first adapting pipe 221 and a second adapting pipe 222, the second adapting pipe 222 is movably inserted into the first adapting pipe 221, the inner wall of the first adapting pipe 221 is sealed with the outer wall of the second adapting pipe 222, the second adapting pipe 222 is communicated with the first adapting pipe 221, the side wall of the first adapting pipe 221 is communicated with a feeding head 2211, the third telescopic rod 220 is integrally formed by the first adapting pipe 221 and the second adapting pipe 222, through the sealing design, leakage of materials in the first adapting pipe 221 is prevented, black ink can be added into the first adapting pipe 221 and the second adapting pipe 222 through the feeding head 2211, so that whether the oil and gas pipeline bends and deforms during auxiliary follow-up monitoring, the outer wall of the first adapting pipe 221 is more visually, a locking column 2213 is in threaded connection with the outer wall of the first adapting pipe 221, one end of the locking column 2213 penetrates through the side wall of the first adapting pipe 221 and is attached to the outer wall of the second adapting pipe 222, through the design of locking post 2213, make it realize spacing between first adapting pipe 221 and the second adapting pipe 222, simultaneously, locking post 2213 outer wall is sealed with first adapting pipe 221 outer wall, avoids liquid to distribute through connecting the gap position.

It should be noted that a discharge port 2221 is formed in the bottom of the second bearing pipe 222, and the bearing frame 2222 is fixedly sleeved on the outer wall of the second bearing pipe 222, the measuring ball 230 is rotatably connected in the bearing frame 2222, through the design of the discharge port 2221, the materials in the first bearing pipe 221 and the second bearing pipe 222 can flow out, meanwhile, through the design of the bearing frame 2222, the rotating connection design of the measuring ball 230 is integrally realized, through holes 231 are distributed at intervals on the outer wall of the measuring ball 230, the through holes 231 are correspondingly arranged with the discharge port 2221, through the design of the through holes 231, the materials in the discharge port 2221 enter the through holes 231, and finally flow into the outer wall of the oil and gas pipeline, and whether the problem of bending deformation occurs or not is assisted to monitor.

Specifically, this oil gas pipeline bending deformation monitoring devices's theory of operation: when the device is used, the first support rod 121 and the second support rod 122 are rotated through the universal joint 111, after the device is adjusted to a proper position, the device is rotationally connected with the second support rod 122 through the sucker 130 for rotational adjustment, and finally the device is adsorbed to the outer wall of an oil and gas pipeline through the sucker 130, at the moment, the position of the V-shaped clamping block 150 is telescopically adjusted through the first fixing rod 141 and the second fixing rod 142, the angle of the V-shaped clamping block 150 is adjusted through the bolt connection design of the V-shaped clamping block 150 and the second fixing rod 142, the fixing plate 110 is finally limited to be incapable of rotationally moving, and further the supporting and limiting of the support plate 211 and the fixing column 212 are realized, at the moment, the first bearing pipe 221, the second bearing pipe 222 and the measuring ball 230 are positioned in the middle position of the upper surface of the oil and gas pipeline, at the moment, the position of the measuring ball 230 is adjusted through the first bearing pipe 221 and the second bearing pipe 222, so that the outer wall of the measuring ball 230 is attached to the outer wall of the oil and gas pipeline, drive second adapter 222 and survey ball 230 and be located oil gas pipeline upper surface position between two parties and remove through removing first adapter 221, when bending deformation appears in the oil gas pipeline outer wall, survey ball 230 and be obstructed unable removal or directly make somebody a mere figurehead unable with oil gas pipeline outer wall laminating, can know the problem point, and simultaneously, black ink enters into through-hole 231 through discharge gate 2221 and discharges oil gas pipeline upper surface position between two parties, when black ink can't become a line, can know the problem point equally, through the design of this device, whether bending deformation appears in the oil gas pipeline that is using to the global design realization, make it optimize conventional manual work and the mode of suspension wire mode monitoring, and simultaneously, through the design of this device, optimize manual monitoring mode, can attach at the pipeline outer wall constantly and monitor the use.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A device for monitoring bending deformation of oil and gas pipelines is characterized by comprising

The supporting and limiting assembly (100) comprises a fixing plate (110), a first telescopic rod (120), a sucker (130), a second telescopic rod (140) and a V-shaped clamping block (150), wherein universal joints (111) are symmetrically and fixedly connected to the bottom of the fixing plate (110), one end of the first telescopic rod (120) is symmetrically sleeved at one end of the universal joint (111) in a threaded manner, the sucker (130) is rotatably connected to the other end of the first telescopic rod (120), one end of the second telescopic rod (140) is symmetrically and fixedly connected to the bottom of the fixing plate (110), and the V-shaped clamping block (150) is connected to the other end of the second telescopic rod (140) in a bolt manner;

move side subassembly (200), move side subassembly (200) including support (210), third telescopic link (220) and survey ball (230), support (210) bolted connection is in two between fixed plate (110), third telescopic link (220) one end sliding connection in support (210) lateral wall position in the middle, just third telescopic link (220) one end with support (210) joint, survey ball (230) rotate connect in third telescopic link (220) one end position in the middle.

2. The oil and gas pipeline bending deformation monitoring device according to claim 1, wherein the first telescopic rod (120) comprises a first support rod (121) and a second support rod (122), the second support rod (122) is inserted in the first support rod (121) in a sliding manner, and the first support rod (121) is in pin joint with the second support rod (122).

3. The oil and gas pipeline bending deformation monitoring device according to claim 2, wherein one end of the first support rod (121) far away from the second support rod (122) is fixedly connected with a threaded head (1211), one end of the universal joint (111) is in threaded connection with the threaded head (1211), the other end of the universal joint (111) is fixedly connected with a universal seat (1111), and the universal seat (1111) is fixedly connected with the outer wall of the fixing plate (110).

4. The oil and gas pipeline bending deformation monitoring device according to claim 2, wherein a suction seat (131) is fixedly connected to the upper surface of the suction cup (130), a supporting column (1311) is fixedly connected to the upper surface of the suction seat (131), and the supporting column (1311) is rotatably connected to the bottom of the second supporting rod (122).

5. The oil and gas pipeline bending deformation monitoring device according to claim 1, wherein the second telescopic rod (140) comprises a first fixing rod (141) and a second fixing rod (142), the second fixing rod (142) is movably inserted into the first fixing rod (141), the first fixing rod (141) and the second fixing rod (142) are in pin joint, the first fixing rod (141) is located at one end far away from the second fixing rod (142) and is fixedly connected with a fixing seat (1411), the fixing seat (1411) is fixedly connected to the bottom of the fixing plate (110), and the V-shaped clamping block (150) is in bolt connection with the outer wall of the second fixing rod (142).

6. The oil and gas pipeline bending deformation monitoring device according to claim 1, wherein the support frame (210) comprises a support plate (211) and a fixed column (212), the support plate (211) is symmetrically and fixedly connected to two ends of the fixed column (212), and the support plate (211) is bolted to the side wall of the fixed plate (110).

7. The oil and gas pipeline bending deformation monitoring device according to claim 1, wherein the third telescopic rod (220) comprises a first adapting pipe (221) and a second adapting pipe (222), the second adapting pipe (222) is movably inserted into the first adapting pipe (221), the inner wall of the first adapting pipe (221) and the outer wall of the second adapting pipe (222) are sealed, the second adapting pipe (222) is communicated with the first adapting pipe (221), and the side wall of the first adapting pipe (221) is communicated with a feeding head (2211).

8. The bending deformation monitoring device for oil and gas pipelines according to claim 7, wherein the outer wall of the first adapting pipe (221) is in threaded connection with a locking column (2213), and one end of the locking column (2213) penetrates through the side wall of the first adapting pipe (221) and is attached to the outer wall of the second adapting pipe (222).

9. The oil and gas pipeline bending deformation monitoring device according to claim 7, wherein a discharge hole (2221) is formed in the bottom of the second bearing pipe (222), a bearing frame (2222) is fixedly sleeved on the outer wall of the second bearing pipe (222), and the measuring ball (230) is rotatably connected into the bearing frame (2222).

10. The oil and gas pipeline bending deformation monitoring device according to claim 9, wherein through holes (231) are distributed at intervals on the outer wall of the measuring ball (230), and the through holes (231) are arranged corresponding to the discharge hole (2221).