CN219346248U

CN219346248U - Pipe network leakage detection equipment

Info

Publication number: CN219346248U
Application number: CN202223536769.4U
Authority: CN
Inventors: 郭永强; 马晓栋; 徐丹丹
Original assignee: Inner Mongolia University of Technology
Current assignee: Inner Mongolia University of Technology
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-07-14
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to the technical field of pipeline detection, in particular to pipe network leakage detection equipment. The pipe network leakage detection equipment comprises a clamping sleeve shell, wherein the clamping sleeve shell consists of two half shells with identical structures and a clamping plate, mounting grooves are formed in the joint surfaces of the two sides of the two half shells, sealing strips are embedded in the mounting grooves, and a negative pressure pipe is embedded in the outer side wall of the half shells; the sealing end covers are fixedly arranged at the two ends of the half shell through bolts, and the sealing end covers at the two ends of the same half shell are jointly provided with detection assemblies; the negative pressure component is used for adsorbing the clamping sleeve shell into vacuum, the negative pressure component is arranged on the half shell and comprises a connecting bracket, the connecting bracket is fixedly arranged at one end of the half shell through a bolt, a needle cylinder is fixedly arranged on the connecting bracket, and the front end of the needle cylinder is communicated with the negative pressure pipe through a guide pipe. The pipe network leakage detection equipment provided by the utility model has the advantages of high pipeline detection accuracy and convenience for timely and accurately checking leakage hidden trouble.

Description

Pipe network leakage detection equipment

Technical Field

The utility model relates to the technical field of pipeline detection, in particular to pipe network leakage detection equipment.

Background

The urban water supply network mainly carries the important task of delivering domestic and production water for cities, the urban scale is gradually enlarged along with the gradual acceleration of the urban process of China, the requirements on the construction of the urban water supply network are gradually increased, and the situation that how to reduce the leakage rate of the water supply network is important is achieved.

In urban water supply network, in the pipe network for fire-fighting water, because its pipe network system is not always running, the leakage of pipeline can not detect through water flow monitoring, and when these fire-fighting water pipelines are not used throughout the year, the pipe network ageing is comparatively serious, comparatively leads to tubular product interface to leak and pipe bursting phenomenon easily, consequently very important to the leakage detection of fire-fighting pipeline, but current detection device, to pipeline or pipeline interface tiny leakage department, unable accurate detection to the potential safety hazard has been left.

Therefore, it is necessary to provide a new pipe network leakage detecting device to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides pipe network leakage detection equipment which is accurate in pipe detection and convenient for timely checking leakage hidden danger.

The pipe network leakage detection equipment provided by the utility model comprises: the clamping sleeve shell consists of two half shells with identical structures and a clamping plate, wherein the two side joint surfaces of the two half shells are provided with mounting grooves, sealing strips are embedded in the mounting grooves, and the outer side walls of the half shells are embedded with negative pressure pipes;

the sealing end covers are fixedly arranged at two ends of the half shell through bolts, and detection assemblies are commonly arranged on the sealing end covers at two ends of the same half shell;

the negative pressure assembly is used for adsorbing the cutting ferrule shell into vacuum the negative pressure assembly is installed on the half shell, and the negative pressure assembly comprises a connecting support, the connecting support is fixedly installed on one end of the half shell through bolts, a needle cylinder is fixedly installed on the connecting support, the front end of the needle cylinder is communicated with a negative pressure pipe through a guide pipe, a sealing piston is slidably installed in the needle cylinder, a guide rod is fixedly installed at the rear end of the sealing piston, a rack plate is fixedly installed on the outer side wall of the guide rod, a supporting frame is fixedly installed on the connecting support, a through hole for the guide rod to penetrate is formed in the supporting frame, a driving motor is fixedly installed on one side of the supporting frame, and a transmission gear is fixedly installed on an output shaft of the driving motor and meshed with the rack plate.

Preferably, T-shaped inserting blocks are integrally formed on the inner walls of the two sides of the clamping plate, and T-shaped grooves in insertion fit with the T-shaped inserting blocks are formed in the outer side walls of the half shells.

Preferably, the inner side wall of the sealing end cover is provided with a plurality of grooves, the grooves are embedded with a first sealing ring, and the end face of the sealing end cover is provided with a plugging groove matched with the half shell in a plugging manner.

Preferably, an arc groove is formed at the plugging end of the half shell, which is in plugging fit with the plugging groove, and a second sealing ring is embedded in the arc groove.

Preferably, the detection assembly comprises a screw rod, a limiting rod, a sliding block, a detection rod, a detection sponge and a servo motor, wherein the screw rod is rotatably arranged on sealing end covers at two ends of the same half shell, the two sealing end covers are symmetrically provided with the limiting rods at two sides of the screw rod, the sliding block is arranged on the screw rod in a threaded manner, limiting holes which are in sliding fit with the limiting rods are formed in two sides of the sliding block, the detection rod is fixedly arranged at one side of the sliding block, facing the opening of the half shell, of the detection rod, the front end of the detection rod is fixedly provided with the detection sponge and is used for driving the screw rod to rotate, the servo motor is fixedly arranged on the sealing end covers, and an output shaft of the servo motor drives the sealing end covers to be fixedly connected with the screw rod coaxially.

Preferably, the humidity sensor is embedded in the detection rod.

Preferably, the detection sponge is bent into a semicircle shape attached to the detection pipeline by internally arranging a semicircle steel ring.

Compared with the related art, the pipe network leakage detection equipment provided by the utility model has the following beneficial effects:

the utility model provides pipe network leakage detection equipment, which is characterized in that a negative pressure component is arranged on a half shell and is communicated with a negative pressure pipe, when a clamping sleeve shell is buckled at a pipe network detection position, the detection position can be adsorbed into negative pressure by utilizing the matching of a connecting bracket, a needle cylinder, a sealing piston, a guide rod, a rack plate, a support frame, a driving motor and a transmission gear, and the pipeline detection position is amplified by fine leakage, so that water in a pipeline can be conveniently leaked from the leakage position, and the detection component is reused, so that the detection precision is improved;

2. the detection assembly is matched with the detection rod and the detection sponge servo motor through the screw rod, the limit rod, the sliding block, the detection rod and the detection sponge servo motor, and can automatically conduct sliding detection on a pipeline in a sealing area included by the clamping sleeve shell, so that the speed of leakage detection is improved, and the detection efficiency of pipeline leakage is improved.

Drawings

FIG. 1 is a schematic diagram of a pipe network leakage detecting device according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic structural diagram of another view angle of the pipe network leakage detecting device according to the present utility model;

FIG. 3 is a schematic diagram of the detecting assembly shown in FIG. 1;

FIG. 4 is a schematic view of the negative pressure assembly shown in FIG. 1;

fig. 5 is a partial enlarged view of a shown in fig. 1.

Reference numerals in the drawings: 1. a clamping sleeve shell; 11. a half shell; 12. a clamping plate; 13. a sealing strip; 111. a negative pressure pipe; 112. a second sealing ring; 101. a T-shaped groove; 102. an arc groove; 121. a T-shaped insert block; 2. sealing the end cover; 201. a groove; 202. a plug-in groove; 3. a first sealing ring; 4. a detection assembly; 41. a screw rod; 42. a limit rod; 43. a slide block; 44. a detection rod; 45. detecting the sponge; 46. a servo motor; 5. a negative pressure assembly; 51. a connecting bracket; 52. a needle cylinder; 53. a sealing piston; 54. a guide rod; 55. rack plate; 56. a support frame; 57. a driving motor; 58. a transmission gear.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 5, a pipe network leakage detection device provided in an embodiment of the present utility model includes: the clamping sleeve shell 1, the sealing end cover 2, the detection assembly 4 and the negative pressure assembly 5.

The clamping shell 1 consists of two half shells 11 and clamping plates 12 with identical structures, wherein the joint surfaces of the two sides of the two half shells 11 are provided with mounting grooves, sealing strips 13 are embedded in the mounting grooves, and negative pressure pipes 111 are embedded in the outer side walls of the half shells 11; the sealing end covers 2 are fixedly arranged at two ends of the half shell 11 through bolts, and the sealing end covers 2 at two ends of the same half shell 11 are jointly provided with the detection assembly 4;

the negative pressure component 5 for adsorbing the clamping sleeve shell 1 into vacuum is arranged on the half shell 11, the negative pressure component 5 comprises a connecting bracket 51, the connecting bracket 51 is fixedly arranged at one end of the half shell 11 through bolts, a needle cylinder 52 is fixedly arranged on the connecting bracket 51, the front end of the needle cylinder 52 is communicated with a negative pressure pipe 111 through a guide pipe, a sealing piston 53 is slidably arranged in the needle cylinder 52, a guide rod 54 is fixedly arranged at the rear end of the sealing piston 53, a rack plate 55 is fixedly arranged on the outer side wall of the guide rod 54, a supporting frame 56 is fixedly arranged on the connecting bracket 51, a through hole for the guide rod 54 to penetrate is formed in the supporting frame 56, a driving motor 57 is fixedly arranged on one side of the guide rod 54, a transmission gear 58 is fixedly arranged on an output shaft of the driving motor 57, and the transmission gear 58 is meshed with the rack plate 55.

It should be noted that: during the use, with the clamping shell 1 through the both ends of two half shells 11 all through bolt fixed mounting seal end cover 2, then through two clamping plates 12 and sealing strip 13 utilization bolt lock on detecting the pipeline, then through the pipeline detection department of negative pressure subassembly 5 work on two half shells 11 with the cutting ferrule to adsorb into vacuum form, specifically, drive gear 58 through starting driving motor 57 and rotate, drive gear 58 and rack board 55 meshing, thereby drive rack board 55 and drive guide arm 54 and slide, thereby guide arm 54 drives sealed piston 53 and slides in cylinder 52, thereby air in the clamping shell 1 is evacuated through negative pressure pipe 111, thereby form cutting ferrule detection department partial vacuum, thereby be convenient for with pipeline detection department, the tiny seepage is enlarged, the water in the pipeline is convenient for oozes from the seepage department, reuse detection subassembly 4 carries out, thereby improve the precision of detection.

In the embodiment of the present utility model, referring to fig. 1 and 4, T-shaped inserting blocks 121 are integrally formed on inner walls of two sides of the clamping plate 12, and T-shaped grooves 101 in which the T-shaped inserting blocks 121 are in insertion fit are formed on outer side walls of the half shell 11;

it should be noted that: when the two half shells 11 are installed, the T-shaped inserting blocks 121 of the clamping plates 12 on the two sides are inserted into the T-shaped grooves 101, and then the clamping plates 12 are fixedly connected with the half shells 11 by bolts, so that the two half shells 11 are fixedly sleeved on a detection pipeline integrally, and the joint is sealed by the sealing strips 13.

In the embodiment of the present utility model, referring to fig. 1 and 4, a plurality of grooves 201 are formed in the inner side wall of the sealing end cover 2, a sealing ring 3 is embedded in the plurality of grooves 201, and a plugging groove 202 in plugging fit with the half shell 11 is formed on the end surface of the sealing end cover 2.

It should be noted that: when the two sealing end covers 2 are sleeved on the half shell 11 in a clamping way through the inserting grooves 202, and when the two half shells 11 are connected into a whole, the two sealing end covers 2 seal the joint of the two sealing end covers 2 through the sealing rings 3 in the grooves 201.

Whereas in the present embodiment: the insertion end of the half shell 11, which is in insertion fit with the insertion groove 202, is provided with an arc groove 102, and a sealing ring II 112 is embedded in the arc groove 102, so that the half shell 11 is sealed between the sealing end covers 2 by the sealing ring II 112.

In the embodiment of the present utility model, referring to fig. 1, 2 and 3, the detecting assembly 4 includes a screw 41, a limiting rod 42, a slider 43, a detecting rod 44, a detecting sponge 45 and a servo motor 46, the screw 41 is rotatably mounted on the seal end caps 2 at two ends of the same half shell 11, the two seal end caps 2 are symmetrically mounted with the limiting rod 42 at two sides of the screw 41, the slider 43 is threadably mounted on the screw 41, two sides of the slider 43 are provided with limiting holes in sliding fit with the limiting rod 42, the detecting rod 44 is fixedly mounted at one side of the slider 43 facing the opening of the half shell 11, the detecting sponge 45 is fixedly mounted at the front end of the detecting rod 44, the servo motor 46 for driving the screw 41 to rotate is fixedly mounted on the seal end caps 2, and the output shaft of the servo motor 46 drives the seal end caps 2 to be fixedly connected with the screw 41 coaxially.

Wherein the detection lever 44 is embedded with a humidity sensor.

It should be noted that: when the detection assembly 4 is used, after the two half shells 11, the clamping plate 12, the sealing strip 13, the sealing end cover 2 and the sealing ring I3 seal a clamping sleeve at a pipeline detection position, the servo motor 46 is controlled to rotate, the servo motor 46 drives the screw rod 41 to rotate, when the screw rod 41 rotates, the sliding block 43 is driven to move along the screw rod 41 under the limitation of the two limiting rods 42, and when the sliding block moves, the detection rod 44 and the detection sponge 45 are driven to synchronously move, when the sliding block moves to a pipeline leakage position, the detection sponge 45 absorbs leaked moisture, and then the detection sponge 45 is detected through the humidity sensor, so that whether the pipeline is leaked or not is accurately detected.

Whereas in the present embodiment: the detection sponge 45 is bent into a semicircle shape attached to the detection pipeline through the internally arranged semicircle steel ring, so that the detection sponge 45 can be attached to the detection pipeline more conveniently, and the detection sponge is convenient for absorbing the leakage moisture of the pipeline.

The pipe network leakage detection equipment provided by the utility model has the following working principle:

during the use, with the clamping shell 1 through the both ends of two half shells 11 all through bolt fixed mounting seal end cover 2, then the lock is on detecting the pipeline with the bolt through two clamping plates 12 and sealing strip 13 again, then through the negative pressure subassembly 5 work on two half shells 11 with the pipeline detection department of cutting ferrule vacuum form, specifically, drive gear 58 through starting driving motor 57 and rotate, drive gear 58 and rack board 55 meshing, thereby drive rack board 55 and drive guide arm 54 and slide, thereby the guide arm 54 drives sealed piston 53 and slides in cylinder 52, thereby air in the clamping shell 1 is evacuated through negative pressure pipe 111, thereby form the pipeline detection department partial vacuum, thereby be convenient for with pipeline detection department, tiny seepage is enlarged, the water in the pipeline is oozed from the seepage department of being convenient for, then the rethread servo motor 46 is controlled to rotate, servo motor 46 drives lead screw 41 rotation, lead screw 41 rotates, drive slider 43 is under the restriction of two gag lever 42, when moving, drive detection lever 44 and detection sponge 45 synchronous movement along lead screw 41, when moving to pipeline leak department, detect sponge 45 and then detect through humidity sensor and detect that the humidity is accurate to leak.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A pipe network leakage detection device, comprising:

the clamping sleeve shell (1), the clamping sleeve shell (1) consists of two half shells (11) with identical structures and a clamping plate (12), the joint surfaces of the two sides of the half shells (11) are provided with mounting grooves, sealing strips (13) are embedded in the mounting grooves, and the outer side walls of the half shells (11) are embedded with negative pressure pipes (111);

characterized by further comprising:

the sealing end covers (2) are fixedly arranged at two ends of the half shell (11) through bolts, and the sealing end covers (2) at two ends of the same half shell (11) are jointly provided with the detection assembly (4);

negative pressure component (5) for adsorb into vacuum with cutting ferrule shell (1 negative pressure component (5) install in on half casing (11), just negative pressure component (5) are including linking bridge (51), linking bridge (51) pass through bolt fixed mounting in half casing (11) one end, just fixed mounting has cylinder (52) on linking bridge (51), the front end of cylinder (52) is through pipe and negative pressure pipe (111) intercommunication, just sliding mounting has sealed piston (53) in cylinder (52), the rear end fixed mounting of sealed piston (53) has guide arm (54), the lateral wall fixed mounting of guide arm (54) has rack board (55), fixed mounting has support frame (56) on linking bridge (51), the through-hole that guide arm (54) passed is seted up to support frame (56), just be located one side fixed mounting of guide arm (54) on support frame (56) has driving motor (57), fixed mounting has drive gear (58) on the output shaft of cylinder (52), drive gear (58) and rack (55) mesh.

2. The pipe network leakage detection device according to claim 1, wherein the T-shaped insertion blocks (121) are integrally formed on the inner walls of the two sides of the clamping plate (12), and the T-shaped grooves (101) in plug-in fit with the T-shaped insertion blocks (121) are formed on the outer side walls of the half shells (11).

3. The pipe network leakage detection device according to claim 1, wherein the inner side wall of the sealing end cover (2) is provided with a plurality of grooves (201), a sealing ring I (3) is embedded in a plurality of grooves (201), and the end face of the sealing end cover (2) is provided with a plugging groove (202) which is plugged and matched with the half shell (11).

4. A pipe network leakage detection device according to claim 3, wherein the plugging end of the half shell (11) in plugging fit with the plugging groove (202) is provided with an arc groove (102), and the arc groove (102) is embedded with a second sealing ring (112).

5. The pipe network leakage detection device according to claim 1, wherein the detection assembly (4) comprises a screw rod (41), a limit rod (42), a sliding block (43), a detection rod (44), a detection sponge (45) and a servo motor (46), the screw rod (41) is rotatably installed on sealing end covers (2) at two ends of the same half shell (11), the two sealing end covers (2) are symmetrically provided with the limit rod (42) at two sides of the screw rod (41), the sliding block (43) is threadedly installed on the screw rod (41), limit holes which are slidably matched with the limit rod (42) are formed in two sides of the sliding block (43), the detection rod (44) is fixedly installed on one side, which faces the opening of the half shell (11), of the sliding block (43), the detection sponge (45) is fixedly installed at the front end of the detection rod (44), the servo motor (46) for driving the screw rod (41) to rotate is fixedly installed on the sealing end covers (2), and an output shaft transmission sealing end cover (2) of the servo motor (46) is fixedly connected with the screw rod (41) coaxially.

6. The pipe network leakage detection device according to claim 5, wherein the detection rod (44) is embedded with a humidity sensor.

7. The pipe network leakage detection device according to claim 5, wherein the detection sponge (45) is bent into a semicircular shape attached to the detection pipe through a semicircular steel ring arranged in the detection sponge.