CN113008461B - Pipeline flushing pressure testing device - Google Patents
Pipeline flushing pressure testing device Download PDFInfo
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- CN113008461B CN113008461B CN202110232685.2A CN202110232685A CN113008461B CN 113008461 B CN113008461 B CN 113008461B CN 202110232685 A CN202110232685 A CN 202110232685A CN 113008461 B CN113008461 B CN 113008461B
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 29
- 238000001125 extrusion Methods 0.000 claims description 24
- 238000003825 pressing Methods 0.000 claims description 24
- 230000009471 action Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 12
- 238000004140 cleaning Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000010030 laminating Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A pipeline flushing pressure test device relates to the technical field of pipeline pressure test. The pipeline flushing pressure testing device comprises a connecting block, an output pipe, a threaded pipe and a movable plate; the connecting block is provided with a through hole, and the output pipe and the threaded pipe are respectively connected to the opposite ends of the connecting block and are respectively communicated with the through hole; the periphery wall of screw tube is concave to be equipped with the storage tank on, and the one end of storage tank extends to the connecting block and is close to one side of screw tube, and the fly leaf is acceptd in the storage tank, and the one end that the fly leaf is close to the connecting block can remove outside the storage tank under the pulling force effect. The pipeline flushing pressure testing device can be convenient for cleaning the raw material belt outside the pressure testing pipe orifice after pressure testing is completed.
Description
Technical Field
The application relates to the technical field of pipeline pressure test, in particular to a pipeline flushing pressure test device.
Background
The municipal water supply system is an important module in municipal construction, and the effect of a water supply pipe network in the municipal water supply system is particularly important, and the quality of domestic water of thousands of users is influenced by the quality of the water supply pipe network. In general, the water supply pipe is subjected to periodic pressure test in the use process, so that the water supply quality is ensured.
In order to ensure the tightness of pressure test, in the process of pressure test, a raw material belt is generally wound on the outer side of a pressure test pipe orifice of a pipeline pressure test device, and then screwed into the water supply pipe orifice to test the pressure. However, after the pressure test is completed, the conventional pipeline pressure test device is embedded in the outer side of the pressure test pipe orifice, so that the raw material tape is not easy to clean, and if the raw material tape is not cleaned effectively, the raw material tape can cause blockage to threads on the outer side of the pressure test pipe orifice, so that the connection tightness is affected.
Disclosure of Invention
The application aims to provide a pipeline flushing pressure testing device which can be convenient for cleaning a raw material belt outside a pressure testing pipe orifice after pressure testing is completed.
Embodiments of the present application are implemented as follows:
in one aspect of the application, a pipeline flushing pressure test device is provided, and comprises a connecting block, an output pipe, a threaded pipe and a movable plate; the connecting block is provided with a through hole, and the output pipe and the threaded pipe are respectively connected to the opposite ends of the connecting block and are respectively communicated with the through hole; the periphery wall of screw tube is concave to be equipped with the storage tank on, and the one end of storage tank extends to the connecting block and is close to one side of screw tube, and the fly leaf is acceptd in the storage tank, and the one end that the fly leaf is close to the connecting block can remove outside the storage tank under the pulling force effect. The pipeline flushing pressure testing device can be convenient for cleaning the raw material belt outside the pressure testing pipe orifice after pressure testing is completed.
Optionally, one end of the movable plate far away from the connecting block is provided with a hinge shaft, and the inner wall of the accommodating groove is provided with a hinge groove matched with the hinge shaft.
Optionally, one end that the fly leaf is close to the connecting block is equipped with the laminating piece, and the one end and the fly leaf of laminating piece are connected, the other end extends from the fly leaf towards the direction of keeping away from the screwed pipe.
Optionally, the connecting block is equipped with laminating draw-in groove, and the tank bottom of laminating draw-in groove is equipped with the curved surface groove, and the one side that the laminating piece is close to the connecting block is connected with the bent plate with curved surface groove adaptation, and the bent plate can be acceptd in the curved surface inslot.
Optionally, a positioning block is arranged on the inner wall of the accommodating groove, and the movable plate is correspondingly provided with a positioning chute matched with the positioning block.
Optionally, the locating blocks are uniformly distributed along the inner wall of the accommodating groove, the locating sliding grooves are distributed along the outer peripheral wall of the movable plate, and the locating blocks are in one-to-one correspondence with the locating sliding grooves.
Optionally, one surface of the movable plate exposed out of the accommodating groove is matched with the outer Zhou Bishi of the threaded pipe, and matched threads matched with the outer threads of the threaded pipe are arranged.
Optionally, a clamping groove is formed in one surface of the movable plate, which is close to the threaded pipe, a clamping block is convexly arranged at the bottom of the accommodating groove, and an extrusion block is arranged at the periphery of the clamping block; when one end of the movable plate, which is close to the clamping block, is accommodated in the accommodating groove, the extrusion block can be clamped in the clamping groove; when the movable plate is pulled in the direction of separating from the accommodating groove, the extrusion block can separate from the clamping groove.
Optionally, the periphery of the clamping block is provided with a containing groove, the extrusion block is connected in the containing groove in a sliding way, and the inner wall of the clamping groove is concavely provided with a limit groove; the extrusion block can be clamped in the limit groove or separated from the limit groove.
Optionally, a clamping groove is concavely arranged on the inner wall of the accommodating groove, the clamping groove and the accommodating groove are coaxially arranged, and the diameter of the clamping groove is larger than that of the accommodating groove; the clamping groove is internally provided with a pressing plate and a telescopic spring connected with the pressing plate, and one end of the telescopic spring, which is far away from the pressing plate, is abutted with the bottom of the clamping groove; one end of the pressing plate, which is far away from the telescopic spring, is connected with the extrusion block.
The beneficial effects of the application include:
the embodiment provides a pipeline flushing pressure test device, which comprises a connecting block, an output pipe, a threaded pipe and a movable plate; the connecting block is provided with a through hole, and the output pipe and the threaded pipe are respectively connected to the opposite ends of the connecting block and are respectively communicated with the through hole; the periphery wall of screw tube is concave to be equipped with the storage tank on, and the one end of storage tank extends to the connecting block and is close to one side of screw tube, and the fly leaf is acceptd in the storage tank, and the one end that the fly leaf is close to the connecting block can remove outside the storage tank under the pulling force effect. When the pipeline flushing pressure testing device is used, the outer periphery of the threaded pipe is wound with a raw material belt, then the threaded pipe is rotated and screwed into a pipeline opening needing pressure testing, and then pressure testing is carried out. When the pressure test is completed, the threaded pipe is screwed out in a rotating mode, at the moment, the raw material belt is tightly inlaid in threads on the surface of the threaded pipe and is not easy to process, at the moment, under the action of a tensile force, at least one end of the movable plate is pulled to move outwards towards the accommodating groove, and the movable plate can be driven to synchronously move outwards when the movable plate moves outwards, so that the problem that a worker cannot clean the raw material belt easily in the process of cleaning the raw material belt can be solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a device for testing pressure in pipeline flushing according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a threaded pipe according to an embodiment of the present application;
fig. 3 is a schematic structural view of a movable plate according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a clamping block according to an embodiment of the present application;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a schematic diagram illustrating the cooperation between the joint block and the connection block according to an embodiment of the present application.
Icon: 10-connecting blocks; 11-attaching clamping grooves; 12-a curved slot; 20-outputting pipe; 30-threaded pipe; 31-a containing groove; 32-hinge slots; 33-positioning blocks; 34-clamping blocks; 341-extruding a block; 342-a receiving slot; 343-a clamping groove; 344-pressing plate; 345-telescoping spring; 40-a movable plate; 41-a hinge shaft; 42-positioning a chute; 43-mating threads; 44-a clamping groove; 45-limit grooves; 50-fitting blocks; 51-curved plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, the present embodiment provides a device for testing pressure during pipe flushing, which includes a connection block 10, an output pipe 20, a threaded pipe 30 and a movable plate 40; the connecting block 10 is provided with a through hole, and the output pipe 20 and the threaded pipe 30 are respectively connected to the opposite ends of the connecting block 10 and are respectively communicated with the through hole; the outer peripheral wall of the threaded pipe 30 is concavely provided with a containing groove 31, one end of the containing groove 31 extends to one side of the connecting block 10, which is close to the threaded pipe 30, the movable plate 40 is contained in the containing groove 31, and one end of the movable plate 40, which is close to the connecting block 10, can move out of the containing groove 31 under the action of tensile force. The pipeline flushing pressure testing device can be convenient for cleaning the raw material belt outside the pressure testing pipe orifice after pressure testing is completed.
When the connection block 10 is used for connecting the output pipe 20 and the threaded pipe 30, a raw material belt is generally wound around the periphery of the threaded pipe 30 of the pipeline flushing pressure testing device during pressure testing of a pipeline, and then the threaded pipe 30 is screwed into the mouth of the water supply pipe to test the pressure. The above-mentioned fly leaf 40 is designed in this embodiment in order to solve the problem that the raw material belt is wound on the threaded pipe 30 after the pressure test is completed, and is inconvenient to clean the periphery of the threaded pipe 30, so as to avoid the phenomenon that the threaded pipe 30 of the pipeline flushing pressure test device is blocked due to the raw material belt, and further improve the tightness of the pipeline flushing pressure test device in the subsequent pressure test process.
The connection block 10 is provided with a through hole for facilitating communication between the output pipe 20 and the threaded pipe 30. The outer peripheral wall of the threaded tube 30 is concavely provided with a receiving groove 31, and the receiving groove 31 is used for receiving the movable plate 40. It should be noted that, during the pressure test, the movable plate 40 is accommodated in the accommodating groove 31; when the raw material tape on the threaded tube 30 needs to be cleaned, at least one end of the driving movable plate 40 is moved out of the accommodating groove 31. In this way, the raw material belt on the movable plate 40 can be driven to synchronously move upwards in the moving process of the movable plate 40, so that the raw material belt can be conveniently taken off the threaded pipe 30.
It should be understood that the movable plate 40 may be separated from the accommodating groove 31 only at one end or may be separated from the accommodating groove 31 at both ends under the action of the tensile force. In the present embodiment, the end of the movable plate 40 near the connecting block 10 can be separated from the accommodating groove 31 under the action of the tensile force. The present embodiment is not limited thereto, as long as the movement of the movable plate 40 relative to the accommodating groove 31 can drive the raw material tape to move synchronously, so as to be convenient for separating from the threaded tube 30.
The accommodating groove 31 is used for accommodating the movable plate 40, and in this embodiment, specifically, the accommodating groove 31 is adapted to the movable plate 40. Meanwhile, in the present embodiment, one end of the receiving groove 31 near the connection block 10 extends to the connection block 10.
In summary, the present embodiment provides a device for testing pressure during pipe flushing, which includes a connection block 10, an output pipe 20, a threaded pipe 30 and a movable plate 40; the connecting block 10 is provided with a through hole, and the output pipe 20 and the threaded pipe 30 are respectively connected with the opposite ends of the connecting block 10 and are respectively communicated with the through hole; the outer peripheral wall of the threaded pipe 30 is concavely provided with a containing groove 31, one end of the containing groove 31 extends to one side of the connecting block 10, which is close to the threaded pipe 30, the movable plate 40 is contained in the containing groove 31, and one end of the movable plate 40, which is close to the connecting block 10, can move out of the containing groove 31 under the action of tensile force. When the pressure test device is flushed by using the pipeline, the outer circumference of the threaded pipe 30 is first wound with a raw material tape, then the threaded pipe 30 is rotated and screwed into the pipeline opening where the pressure test is required, and then the pressure test is performed. When the pressure test is completed, the threaded pipe 30 is screwed out in a rotating way, at the moment, the raw material belt is tightly inlaid in the threads on the surface of the threaded pipe 30 and is not easy to treat, at the moment, under the action of the tensile force, at least one end of the movable plate 40 is pulled to move outwards towards the accommodating groove 31, and the movable plate 40 can be driven to synchronously move outwards when moving outwards, so that the problem that a worker is not easy to clean in the process of cleaning the raw material belt can be solved.
In this embodiment, as shown in fig. 1, the end of the movable plate 40 near the connection block 10 can be separated from the accommodating groove 31 under the action of the tensile force. In order to facilitate the movable plate 40 to be quickly separated from the accommodating groove 31 under the action of the tensile force, in this embodiment, optionally, an end of the movable plate 40 away from the connecting block 10 is provided with a hinge shaft 41, and an inner wall of the accommodating groove 31 is provided with a hinge groove 32 adapted to the hinge shaft 41, please refer to fig. 2 and 3 in combination. Thus, in a specific use process, only one end of the movable plate 40 close to the connecting block 10 needs to be pulled, so that the movable plate 40 can be driven to quickly drive the raw material belt to move outwards.
Referring to fig. 3, further, in order to facilitate the operator pulling the movable plate 40, in this embodiment, an attaching block 50 is disposed at one end of the movable plate 40 close to the connecting block 10, and one end of the attaching block 50 is connected to the movable plate 40, and the other end extends from the movable plate 40 in a direction away from the threaded tube 30. Thus, a worker can easily drive the movable plate 40 to rotate upwards by pulling the attaching block 50, and the operation is convenient and quick.
Meanwhile, in order to prevent the setting of the lamination block 50 from affecting the normal winding of the raw material belt on the threaded pipe 30 during the pressure test, in this embodiment, the connection block 10 is provided with a lamination clamping groove 11, the groove bottom of the lamination clamping groove 11 is provided with a curved surface groove 12, one surface of the lamination block 50, which is close to the connection block 10, is connected with a curved plate 51 adapted to the curved surface groove 12, and the curved plate 51 can be accommodated in the curved surface groove 12.
It should be noted that, referring to fig. 1 and 6, the attaching slot 11 is located at one side of the connecting block 10 near the movable plate 40, and the attaching slot 11 is adapted to the shape of the attaching block 50, so that the attaching block 50 can be accommodated in the connecting block 10 through the attaching slot 11, thereby avoiding the attaching block 50 occupying the space on the threaded tube 30 and affecting the winding of the raw material tape.
The curved surface groove 12 is concavely formed at the bottom of the bonding groove 11, and as shown in fig. 6, the curved surface groove 12 is a T-shaped curved surface groove 12; the curved plate 51 is connected to one side of the attaching block 50 near the connecting block 10, and the curved plate 51 is adapted to the curved slot 12. Thus, the curved plate 51 and the curved groove 12 can more conveniently enable the attaching block 50 to be accommodated in the attaching clamping groove 11, and the attaching block 50 can be conveniently detached from the attaching clamping groove 11.
In order to improve the connection stability of the movable plate 40 in the accommodating groove 31, and avoid that the movable plate 40 is separated from the accommodating groove 31 when not in operation, in this embodiment, optionally, a positioning block 33 is disposed on an inner wall of the accommodating groove 31, and a positioning chute 42 adapted to the positioning block 33 is correspondingly disposed on the movable plate 40.
Referring to fig. 2 and 3, the connection reliability between the movable plate 40 and the threaded tube 30 can be enhanced to some extent due to the positioning blocks 33 and the positioning sliding grooves 42. In addition, in the present embodiment, the shape of the positioning chute 42 may be set according to the rotation path of the movable plate 40, and the length of the positioning chute 42 may be set according to the rotation angle of the movable plate 40, so as to avoid the interference between the positioning block 33 and the positioning chute 42 caused by the rotation of the movable plate 40. Since the design of the positioning chute 42 and the positioning block 33 can be inferred by those skilled in the art from fig. 2 and 3 and the above description, the present application will not be described in detail herein.
For example, in the present embodiment, a plurality of positioning blocks 33 are uniformly distributed along the inner wall of the accommodating groove 31, a plurality of positioning sliding grooves 42 are distributed along the outer peripheral wall of the movable plate 40, and a plurality of positioning blocks 33 are in one-to-one correspondence with a plurality of positioning sliding grooves 42.
The positioning blocks 33 may be uniformly distributed on two opposite sidewalls of the accommodating groove 31, as shown in fig. 2, and correspondingly, the positioning sliding grooves 42 are correspondingly distributed on two opposite sidewalls of the movable plate 40, as shown in fig. 3.
In order to enable the movable plate 40 to rotate upwards and drive the raw material belt wound on the threaded pipe 30 to move upwards synchronously, in this embodiment, one surface of the movable plate 40 exposed out of the accommodating groove 31 is matched with the outer Zhou Bishi of the threaded pipe 30, and is provided with a matched thread 43 matched with the outer thread of the threaded pipe 30. In this way, by limiting the movement of the plurality of mating threads 43, it is also possible to prevent the raw material tape from breaking.
Referring to fig. 3 and 4, alternatively, a clamping groove 44 is formed on one surface of the movable plate 40 near the threaded pipe 30, a clamping block 34 is convexly arranged at the bottom of the accommodating groove 31, and a squeezing block 341 is arranged at the periphery of the clamping block 34; when the end of the movable plate 40, which is close to the clamping block 34, is accommodated in the accommodating groove 31, the extrusion block 341 can be clamped in the clamping groove 44; when the movable plate 40 is pulled in a direction of being separated from the accommodating groove 31, the pressing block 341 can be separated from the locking groove 44.
As shown in fig. 5, optionally, a receiving groove 342 is formed on the outer periphery of the clamping block 34, the extrusion block 341 is slidably connected in the receiving groove 342, and a limiting groove 45 is concavely formed on the inner wall of the clamping groove 44; the extrusion block 341 can be clamped in the limit groove 45 or separated from the limit groove 45.
For example, in order to facilitate the extrusion block 341 to be clamped in the limiting groove 45 under the action of force and to be separated from the limiting groove 45 under the action of force, two opposite sides of the extrusion block 341 are respectively provided with a guiding inclined plane. Specifically, one of the guiding inclined planes is disposed at one side of the extrusion block 341 close to the movable plate 40, and the other guiding inclined plane is disposed at one side of the extrusion block 341 away from the movable plate 40, so that the extrusion block 341 can be clamped in the limiting groove 45 by the guiding inclined plane on one side of the extrusion block 341, and the movable plate 40 is guided to be separated from the extrusion block 341 by the guiding inclined plane on one side of the extrusion block 40.
For example, the cross section of the extrusion block 341 may be an isosceles trapezoid (in the case of an isosceles trapezoid, the bottom surface of the isosceles trapezoid is connected to the locking block 34, and the top surface of the isosceles trapezoid is far away from the locking block 34), an isosceles triangle, a sphere, or the like.
Referring to fig. 5, alternatively, a clamping groove 343 is concavely formed on an inner wall of the accommodating groove 342, the clamping groove 343 is coaxially disposed with the accommodating groove 342, and a diameter of the clamping groove 343 is larger than a diameter of the accommodating groove 342; the clamping groove 343 is internally provided with a pressing plate 344 and a telescopic spring 345 connected with the pressing plate 344, and one end of the telescopic spring 345 away from the pressing plate 344 is in abutting contact with the bottom of the clamping groove 343; the pressing plate 344 is connected to the pressing block 341 at an end thereof remote from the expansion spring 345.
The engaging groove 343 is configured to receive the pressing plate 344 and the expansion spring 345 connected to the pressing plate 344, so that the pressing block 341 is forced to drive the pressing plate 344 to move toward the expansion spring 345, thereby compressing the expansion spring 345, so that the pressing block 341 is received in the receiving groove 342, and the pressing block 341 is received.
The diameter of the clamping groove 343 is larger than that of the accommodating groove 342, and the cross sections of the two grooves are circular, correspondingly, when the clamping groove 343 and the accommodating groove 342 are square grooves or other groove shapes, the size of the clamping groove 343 should be larger than that of the accommodating groove 342. This is provided to prevent the pressing plate 344 and the expansion spring 345 from being separated from the catching groove 343.
The installation method of the pressing plate 344 and the expansion spring 345 is not limited, as long as the pressing plate 344 and the expansion spring 345 are engaged in the engaging groove 343 and are not easily disengaged after the pipe flushing pressure test device is assembled. Any realizable means may be employed by those skilled in the art.
The above description is only of alternative embodiments of the present application and is not intended to limit the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Claims (9)
1. The pipeline flushing pressure test device is characterized by comprising a connecting block, an output pipe, a threaded pipe and a movable plate; the connecting block is provided with a through hole, and the output pipe and the threaded pipe are respectively connected to the opposite ends of the connecting block and are respectively communicated with the through hole; the outer peripheral wall of the threaded pipe is concavely provided with a containing groove, one end of the containing groove extends to one side of the connecting block, which is close to the threaded pipe, the movable plate is contained in the containing groove, and one end of the movable plate, which is close to the connecting block, can move out of the containing groove under the action of tension;
the movable plate can drive the raw material belt embedded on the surface of the threaded pipe to synchronously move outwards while moving outwards;
the movable plate is exposed out of one surface of the accommodating groove and matched with the outer Zhou Bishi of the threaded pipe, matched threads matched with the outer threads of the threaded pipe are arranged, and the raw material belt is not broken due to movement limitation of the matched threads.
2. The pipeline flushing pressure testing device according to claim 1, wherein one end of the movable plate, which is far away from the connecting block, is provided with a hinge shaft, and the inner wall of the accommodating groove is provided with a hinge groove which is matched with the hinge shaft.
3. The device according to claim 1 or 2, wherein one end of the movable plate, which is close to the connecting block, is provided with a fitting block, one end of the fitting block is connected with the movable plate, and the other end extends from the movable plate in a direction away from the threaded pipe.
4. The pipeline flushing pressure testing device according to claim 3, wherein the connecting block is provided with a jointing clamping groove, a curved surface groove is formed in the bottom of the jointing clamping groove, one surface, close to the connecting block, of the jointing block is connected with a curved plate matched with the curved surface groove, and the curved plate can be contained in the curved surface groove.
5. The device for flushing and pressure testing of pipelines according to claim 1, wherein a positioning block is arranged on the inner wall of the accommodating groove, and the movable plate is correspondingly provided with a positioning chute matched with the positioning block.
6. The device for flushing and pressure testing of a pipeline according to claim 5, wherein a plurality of positioning blocks are uniformly distributed along the inner wall of the accommodating groove, a plurality of positioning sliding grooves are distributed along the outer peripheral wall of the movable plate, and a plurality of positioning blocks are in one-to-one correspondence with a plurality of positioning sliding grooves.
7. The pipeline flushing pressure test device according to claim 1, wherein a clamping groove is formed in one surface of the movable plate, which is close to the threaded pipe, and a clamping block is convexly arranged at the bottom of the accommodating groove, and an extrusion block is arranged at the periphery of the clamping block; when one end of the movable plate, which is close to the clamping block, is accommodated in the accommodating groove, the extrusion block can be clamped in the clamping groove; when the movable plate is pulled in the direction of separating from the accommodating groove, the extrusion block can separate from the clamping groove.
8. The pipeline flushing pressure test device according to claim 7, wherein the periphery of the clamping block is provided with a containing groove, the extrusion block is connected in the containing groove in a sliding manner, and the inner wall of the clamping groove is concavely provided with a limit groove; the extrusion block can be clamped in the limit groove or separated from the limit groove.
9. The device for flushing and pressure testing of a pipeline according to claim 8, wherein a clamping groove is concavely formed on the inner wall of the accommodating groove, the clamping groove and the accommodating groove are coaxially arranged, and the diameter of the clamping groove is larger than that of the accommodating groove; a pressing plate and a telescopic spring connected with the pressing plate are arranged in the clamping groove, and one end of the telescopic spring, which is far away from the pressing plate, is in butt joint with the bottom of the clamping groove; one end of the pressing plate, which is far away from the telescopic spring, is connected with the extrusion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232685.2A CN113008461B (en) | 2021-03-02 | 2021-03-02 | Pipeline flushing pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232685.2A CN113008461B (en) | 2021-03-02 | 2021-03-02 | Pipeline flushing pressure testing device |
Publications (2)
| Publication Number | Publication Date |
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| CN113008461A CN113008461A (en) | 2021-06-22 |
| CN113008461B true CN113008461B (en) | 2023-10-24 |
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| CN202110232685.2A Active CN113008461B (en) | 2021-03-02 | 2021-03-02 | Pipeline flushing pressure testing device |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113008461A (en) | 2021-06-22 |
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