CN111965038A - Pressure detection device for pipe fitting - Google Patents

Pressure detection device for pipe fitting Download PDF

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Publication number
CN111965038A
CN111965038A CN202010850631.8A CN202010850631A CN111965038A CN 111965038 A CN111965038 A CN 111965038A CN 202010850631 A CN202010850631 A CN 202010850631A CN 111965038 A CN111965038 A CN 111965038A
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CN
China
Prior art keywords
sealing
water
rotating disc
pipe fitting
plug
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Granted
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CN202010850631.8A
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Chinese (zh)
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CN111965038B (en
Inventor
刘东亚
焦永健
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Hebei Guanghao Pipe Fitting Co ltd
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Chongqing Qianrongjia Technology Co ltd
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Priority to CN202010850631.8A priority Critical patent/CN111965038B/en
Publication of CN111965038A publication Critical patent/CN111965038A/en
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Publication of CN111965038B publication Critical patent/CN111965038B/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12—Pressure testing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • 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
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F16L55/11—Plugs
    • 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
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F16L55/115—Caps
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/0042—Pneumatic or hydraulic means
    • G01N2203/0048—Hydraulic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/006—Crack, flaws, fracture or rupture
    • G01N2203/0067—Fracture or rupture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
    • G01N2203/0075—Strain-stress relations or elastic constants
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/026—Specifications of the specimen
    • G01N2203/0262—Shape of the specimen
    • G01N2203/0274—Tubular or ring-shaped specimens
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use

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  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention belongs to the field of machining, and particularly relates to a pressure detection device for a pipe fitting, which comprises a support frame; the support frame is provided with a water tank, a water pump and a water outlet pipeline positioned above the water tank, the water tank is communicated with the input end of the water pump through a first connecting pipe, and the output end of the water pump is communicated with the water inlet end of the water outlet pipeline through a second connecting pipe; the support frame is provided with a plurality of upper sealing seats, the water outlet pipeline is provided with a plurality of water outlet branch pipes corresponding to the plurality of upper sealing seats respectively, and the water outlet branch pipes penetrate through the bottom ends of the upper sealing seats. The lower sealing assembly is designed, and the lower sealing seat can move up and down relative to the rotating disc through the matching of the limiting column and the limiting groove, so that the pipe fitting to be detected can be clamped or loosened, and the detection reliability can be effectively improved; on the other hand, the lower sealing seat is matched with the plugging rod, so that the water storage or water drainage effect can be achieved, and the convenience of operation can be effectively improved.

Description

Pressure detection device for pipe fitting
Technical Field
The invention relates to the technical field of machining, in particular to a pressure detection device for a pipe fitting.
Background
The metal pipe fitting is a common mechanical part, materials can be selected according to the application of the pipe fitting in the processing process of the metal pipe fitting, the shape design of the pipe fitting is carried out by combining the working environment, and a straight pipe, a bent pipe, a special-shaped space pipe and the like are common.
In the processing process of the metal pipe fitting, the processing procedures of casting a blank of the pipe fitting, cutting, polishing, pressure detection, paint spraying and the like are generally involved. When pressure detection is carried out, the existing method mostly adopts a plug to add water pressure to pipe fitting plugging for detection. But current pressure measurement device is the water pump bath device of single structure more, can only detect single pipe fitting, and the operation is very inconvenient moreover, need manually arrange the water tank in after the clamping, detects the water and lacks the filtration, probably leads to impurity to cause the damage to pipe fitting inner wall, and the detection water that uses moreover is disposable usually, causes the waste of water resource.
Disclosure of Invention
The invention aims to provide a pressure detection device for pipe fittings, which solves the problems that the existing pressure detection device can only detect a single pipe fitting, is inconvenient to operate, lacks filtering measures for detection water and wastes water resources.
In order to achieve the purpose, the invention provides the following technical scheme:
the pressure detection device for the pipe fitting comprises a support frame;
the support frame is provided with a water tank, a water pump and a water outlet pipeline positioned above the water tank, the water tank is communicated with the input end of the water pump through a first connecting pipe, and the output end of the water pump is communicated with the water inlet end of the water outlet pipeline through a second connecting pipe;
the supporting frame is provided with a plurality of upper sealing seats, the water outlet pipeline is provided with a plurality of water outlet branch pipes which respectively correspond to the upper sealing seats, and the water outlet branch pipes penetrate through the bottom ends of the upper sealing seats;
still install lift drive on the support frame, lift drive's output is connected with the elevating platform, and lift drive acts on the elevating platform for: the lifting platform can move up and down relative to the support frame;
a plurality of groups of lower sealing components which respectively correspond to the upper sealing seats are arranged on the lifting platform, each lower sealing component comprises a sealing rotating rod which is rotatably connected to the lifting platform, and the upper end part of each sealing rotating rod is connected with a rotating disc; the rotating disc is provided with two arc-shaped openings which are symmetrically arranged and penetrate through the upper end and the lower end of the rotating disc, and movable rods penetrate through the arc-shaped openings and can move up and down relative to the arc-shaped openings; the top ends of the two movable rods are connected with the same lower sealing seat, the bottom end of the lower sealing seat is provided with an inwards concave limiting groove, the groove depth of the inwards concave limiting groove gradually becomes deeper along the circumferential direction of the rotating disc, the limiting groove is provided with a deep part and a shallow part, the groove depth of the shallow part is smaller than that of the deep part, and the top end of the rotating disc is provided with a limiting column which can be in sliding fit with the limiting groove; the bottom ends of the two movable rods are connected with the same stressing plate, and the middle part of the stressing plate is provided with a stressing plate through hole for abdicating and sealing the rotating rod; the bottom end of the stressing plate is provided with a stressing limiting assembly for preventing the stressing plate from rotating;
the rotary disk drive device is used for driving the rotary disk to rotate, and the rotary disk drive device enables the circumferential position of the rotary disk to be configured as follows: the limiting column can be abutted against the shallow part or the limiting column can be abutted against the deep part.
When the invention is applied, the water tank is filled with detection water.
In the zero position state, the circumferential position of the rotating disc driving device is started to lock the rotating disc is as follows: the limit post is abutted against the deep part, so that the lower sealing seat is positioned at the limit position close to the rotating disc.
The lifting driving device is started to enable the lifting platform to move downwards so as to place the pipe fitting to be detected on the lower sealing seat, and then the lifting platform moves upwards through the lifting driving device until the top end of the pipe fitting to be detected abuts against the upper sealing seat. At this moment, the rotating disc is driven by the rotating disc driving device to rotate relative to the lower sealing seat, so that: the limiting column gradually moves towards the shallow part, so that the sealing seat can be moved up and down to further clamp the pipe fitting to be detected. At the moment, the water pump is started, and water in the water tank is introduced into the water outlet pipeline through the first connecting pipe and the second connecting pipe and enters the pipe fittings to be detected through the water outlet branch pipe. During the water delivery pressurization (the pressure reaches a preset specific value), the condition that whether the pipe to be detected leaks water (the outer surface does not crack) or whether the pipe to be detected deforms obviously can be observed. After detection, the rotating disc is reset, and the sealing seat is moved downwards.
Wherein, the setting of exerting oneself spacing subassembly can prevent to exert oneself board and seal the seat down and take place circumferential direction, so, can improve the stability of complex between spacing post and the spacing groove.
Further, still the cover is equipped with the elastic component of exerting oneself on the movable rod, and the upper and lower both ends of the elastic component of exerting oneself respectively the butt in the bottom of rolling disc and the top of exerting oneself the board, and the elastic component of exerting oneself makes: the limiting column can be abutted against the bottom of the limiting groove.
According to the invention, the arrangement of the acting elastic piece can improve the abutting stability between the limiting column and the limiting groove.
Furthermore, the acting limiting assembly comprises at least two acting limiting rods capable of penetrating through the lifting platform, and the acting limiting rods can move up and down relative to the lifting platform.
In the invention, at least two force application limiting rods can be respectively positioned at two sides of the movable rod, so that the circumferential position of the force application plate can be positioned, and further, the circumferential position of the lower sealing seat can be locked.
Furthermore, the middle part of the upper sealing seat is provided with an upper embedding section which is convex downwards, and a first sealing ring positioned on the periphery of the upper embedding section is arranged on the upper sealing seat; the middle part of the lower seal seat is provided with a lower embedded section protruding upwards, and a second seal ring positioned on the periphery of the lower embedded section is arranged on the lower seal seat.
According to the invention, the first sealing ring can improve the sealing stability between the top opening of the pipe fitting to be detected and the upper sealing seat, and can absorb the abutting force between the pipe fitting to be detected and the upper sealing seat. The second sealing washer can improve and wait to detect the stability of sealing between pipe fitting bottom opening and the lower seal seat, simultaneously, can absorb and wait to detect the tight power of support between pipe fitting and the lower seal seat.
The lower embedded section can be embedded into the opening at the bottom end of the pipe fitting to be detected, so that the pipe fitting to be detected is prevented from shifting along with the lower sealing seat. The upper embedding section can be embedded into the opening at the top end of the pipe fitting to be detected, so that the water outlet branch pipe can better inject water into the upper embedding section.
Furthermore, a rotating rod through hole penetrating through the upper end and the lower end of the sealing rotating rod is formed in the middle of the sealing rotating rod, and a sealing seat through hole penetrating through the upper end and the lower end of the lower sealing seat is formed in the middle of the lower sealing seat;
the lifting platform is provided with a plug connecting piece, the plug connecting piece is connected with a plug rod which can penetrate through the rotating rod through hole and the sealing seat through hole, the top end part of the plug rod is provided with a plug with the outer diameter larger than the rod diameter, and the plug can seal the top end opening of the sealing seat through hole;
when the limiting column is abutted against the deep part, the plug is positioned above the through hole of the sealing seat; when the limiting column is abutted against the shallow part, the plug is positioned in the through hole of the sealing seat.
According to the invention, when the limiting column is abutted against the shallow part, the lower sealing seat is located at the limiting position far away from the rotating disc, at the moment, the pipe to be detected is clamped between the upper sealing seat and the lower sealing seat, and meanwhile, the plug is located in the through hole of the sealing seat and seals the through hole of the sealing seat. The pipe fitting to be detected has water storage detection capability. Wait to detect the back, the rolling disc that resets makes spacing post butt in deep position portion, at this moment, the lower seal seat then can move down to make the end cap be located the top of sealing a seat through-hole, owing to be provided with the second sealing washer, consequently, wait to detect and can not leak between pipe fitting and the lower seal seat, and the detection water of waiting to detect in the pipe fitting then can be along sealing a seat through-hole, dwang through-hole outflow.
In order to facilitate the recovery of the detection water, the plug connecting piece is of a cylindrical structure, and the bottom end of the plug connecting piece is connected with a water conduit communicated with the water tank;
the plug connecting piece is provided with a connecting piece limber hole for communicating the inner cavity of the plug connecting piece with the water conduit.
In the present invention, the detection water can return to the water tank again through the water conduit.
In order to avoid the water accumulation phenomenon on the top end surface of the lower seal seat, furthermore, the top end surface of the lower embedding section is set to be a circular table surface.
Furthermore, the lifting platform is provided with an upper lifting plate, a lower lifting plate positioned below the upper lifting plate and a connecting rib used for connecting the upper lifting plate and the lower lifting plate.
Furthermore, the rotating disc driving device comprises driven gears arranged on the rotating disc, and the driven gears in two adjacent groups of lower sealing assemblies are meshed with each other;
the rotating disc driving device further comprises a rotating disc driving motor, and the output end of the rotating disc driving motor is connected with a driving gear meshed with a driven gear in any one group of lower sealing assemblies in the plurality of groups of lower sealing assemblies.
In the invention, the rotating disc driving motor is started to drive each rotating disc to synchronously rotate, so that each lower sealing seat can move up and down.
Furthermore, the water inlet end of the first connecting pipe is provided with a corrugated sleeve, and a filter screen is arranged at the corrugated sleeve.
According to the invention, through the arrangement of the filter screen, the inner wall of the pipe to be detected can be prevented from being damaged by impurities in the water for detection under the action of high-pressure water, and the effect of protecting the pipe to be detected is achieved.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arrangement of the lifting table, the plurality of lower sealing assemblies are designed on the lifting table, and the plurality of upper sealing seats corresponding to the lower sealing assemblies are designed on the supporting frame, so that a plurality of pipes to be detected can be detected simultaneously, and the detection efficiency can be effectively improved.
2. The lower sealing assembly is designed, and the lower sealing seat can move up and down relative to the rotating disc through the matching of the limiting column and the limiting groove, so that the pipe fitting to be detected can be clamped or loosened, and the detection reliability can be effectively improved; on the other hand, the lower sealing seat is matched with the plugging rod, so that the water storage or water drainage effect can be achieved, and the convenience of operation can be effectively improved.
3. According to the invention, the corrugated sleeve and the filter screen are designed at the water inlet end of the first connecting pipe, so that the backflow detection water can be filtered, and thus, the inner wall of the pipe to be detected can be prevented from being damaged by impurities in water under the action of high-pressure water, and the pipe to be detected can be protected.
Drawings
Fig. 1 is a schematic structural diagram of a pressure detection device for pipe fittings according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the pressure detection device for pipe fittings according to the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of a rotary plate in the pressure detecting apparatus for pipe according to the present invention;
fig. 4 is a schematic partial structural view of a lower seal holder in the pressure detection apparatus for a pipe fitting according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of a rotary disk driving device in the pressure detecting device for pipe fittings according to the present invention.
In the figure: 1. a water tank; 2. a support frame; 3. a lift drive; 4. a sealing rotating rod, 5, a pipe fitting to be detected, 6, a rotating disc, 7, an arc opening, 8, a lifting platform, 9, a movable rod, 10, a lower sealing seat, 11, an acting plate, 12, an acting plate through hole, 13, a limiting groove, 14, a first sealing ring, 15, a deep position part, 16, a shallow position part, 17, a limiting column, 18, an acting elastic part, 19, a driving gear, 20, a water outlet branch pipe, 21, a water pump, 22, an acting limiting rod, 23, a first connecting pipe, 24, an upper embedding section, 25, a corrugated sleeve, 26, a filter screen, 27, a lower embedding section, 28, a rotating disc driving motor, 29, a second sealing ring, 30, a rotating rod through hole, 31, a sealing seat through hole, 32, a plug connecting piece, 33, a plug rod, 34, a plug, 35, a connecting piece water through hole, 36, a water guide pipe, 37, an ascending and descending plate, 38, a lower lifting plate, 39, a connecting rib, 40 and a driven gear, 41. bearing, 42, seal seat extension, 43, pressure controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the pressure detecting device for pipe fittings includes a supporting frame 2;
the supporting frame 2 is provided with a water tank 1, a water pump 21 and a water outlet pipeline 32 positioned above the water tank 1, the water tank 1 is communicated with the input end of the water pump 21 through a first connecting pipe 23, and the output end of the water pump 21 is communicated with the water inlet end of the water outlet pipeline 32 through a second connecting pipe 28;
the support frame 2 is provided with a plurality of upper sealing seats 16, the water outlet pipeline 32 is provided with a plurality of water outlet branch pipes 20 respectively corresponding to the upper sealing seats 16, and the water outlet branch pipes 20 penetrate through the bottom ends of the upper sealing seats 16; still install lift drive 3 on support frame 2, lift drive 3's output is connected with elevating platform 8, and lift drive 3 acts on elevating platform 8 for: the lifting platform 8 can move up and down relative to the support frame 2;
a plurality of groups of lower sealing components which respectively correspond to the upper sealing seats 16 are arranged on the lifting platform 8, each lower sealing component comprises a sealing rotating rod 4 which is rotatably connected to the lifting platform 8, and the upper end part of each sealing rotating rod 4 is connected with a rotating disc 6; two arc-shaped openings 7 which are symmetrically arranged and penetrate through the upper end and the lower end of the rotating disc 6 are formed in the rotating disc 6, a movable rod 9 penetrates through the arc-shaped openings 7, and the movable rod 9 can move up and down relative to the arc-shaped openings 7; the top ends of the two movable rods 9 are connected with the same lower sealing seat 10, the bottom end of the lower sealing seat 10 is provided with an inwards concave limiting groove 13, the groove depth of the inwards concave limiting groove 13 gradually becomes deeper along the circumferential direction of the rotating disc 6, the limiting groove 13 is provided with a deep part 15 and a shallow part 16, the groove depth of the shallow part is smaller than that of the deep part 15, and the top end of the rotating disc 6 is provided with a limiting column 17 which can be in sliding fit with the limiting groove 13; the bottom ends of the two movable rods 9 are connected with the same force application plate 11, and the middle part of the force application plate 11 is provided with a force application plate through hole 12 for abdicating and sealing the rotating rod 4; the bottom end of the forcing plate 11 is provided with a forcing limiting assembly for preventing the forcing plate 11 from rotating;
and a rotating disk drive device for driving the rotating disk 6 to rotate, the rotating disk drive device enabling the circumferential position of the rotating disk 6 to be configured: the stopper post 17 can abut against the shallow portion 16 or the stopper post 17 can abut against the deep portion 15.
In this embodiment, the lifting driving device 3 may be an air cylinder. Two lifting driving devices 3 can be arranged, and the output ends of the two lifting driving devices 3 are respectively connected with the two end parts of the lifting platform 8.
This embodiment may be provided with three upper sealing seats 16, and correspondingly, three outlet branches 20, and three lower sealing assemblies. The three upper sealing seats 16 can be designed integrally or independently.
The sealing rotating rod 4 can be rotatably connected to the elevating table 8 through a bearing 41. To control the pressure value of the outlet branch pipes 20, a pressure control table 43 may be provided for each outlet branch pipe 20.
The bottom surfaces of the shallow portion 16 and the deep portion 15 may be spiral, and the abutting surface of the stopper post 17 may be an arc surface. Two limiting grooves 13 which are symmetrically arranged can be arranged on the lower sealing seat 10, and correspondingly, two limiting columns 17 which are respectively matched with the two limiting grooves 13 are arranged on the rotating disc 6.
Preferably, the rotating disk driving device comprises driven gears 40 arranged on the rotating disk 6, and the driven gears 40 in two adjacent groups of the lower sealing assemblies are meshed;
the rotating disc driving device further comprises a rotating disc driving motor 28, and the output end of the rotating disc driving motor 28 is connected with a driving gear 19 meshed with a driven gear 40 in any one of the lower sealing assemblies.
Preferably, the lifting platform 8 has an upper lifting plate 37, a lower lifting plate 38 located below the upper lifting plate 37, and a connecting rib 39 for connecting the upper lifting plate 37 and the lower lifting plate 38.
Preferably, the water inlet end of the first connecting pipe 23 is provided with a corrugated sleeve 25, and a filter screen 26 is arranged at the corrugated sleeve 25.
Example 2
This example is further defined on the basis of example 1 as follows: still overlap on the movable rod 9 and be equipped with and exert oneself elastic component 18, the upper and lower both ends of exerting oneself elastic component 18 respectively the butt at the bottom of rolling disc 6 and the top of exerting oneself board 11, and the elastic component 18 that exerts an effort makes: the limiting column 17 can abut against the bottom of the limiting groove 13.
In this embodiment, the urging elastic member 18 may be a compression spring. The force springs 18 are arranged such that the lower closure seat 10 tends to move down towards the rotary disk 6.
Example 3
This example is further defined on the basis of example 1 as follows: the force limiting assembly comprises at least two force limiting rods 22 capable of penetrating through the lifting platform 8, and the force limiting rods 22 can move up and down relative to the lifting platform 8.
In this embodiment, the force application limiting rod 22 can penetrate through the upper lifting plate 37.
Example 4
This example is further defined on the basis of example 1 as follows: the middle part of the upper sealing seat 16 is provided with a lower convex upper embedding section 24, and the upper sealing seat 16 is provided with a first sealing ring 14 positioned at the periphery of the upper embedding section 24;
the middle part of the lower seal seat 10 is provided with a lower inserting section 27 protruding upwards, and the lower seal seat 10 is provided with a second sealing ring 29 positioned at the periphery of the lower inserting section 27.
In this embodiment, the first seal ring 14 may be bonded to the upper seal mount 16 and the second seal ring 29 may be bonded to the lower seal mount 10. The first sealing ring 14 and the second sealing ring 29 can be made of silica gel or rubber.
Preferably, the middle part of the sealing rotating rod 4 is provided with a rotating rod through hole 30 penetrating through the upper and lower ends thereof, and the middle part of the lower sealing seat 10 is provided with a sealing seat through hole 31 penetrating through the upper and lower ends thereof;
a plug connecting piece 32 is installed on the lifting platform 8, a plug rod 33 which can penetrate through the rotating rod through hole 30 and the sealing seat through hole 31 is connected onto the plug connecting piece 32, a plug 34 with the outer diameter larger than the rod diameter is arranged at the top end of the plug rod 33, and the plug 34 can seal the top end opening of the sealing seat through hole 31;
when the limiting column 17 abuts against the deep portion 15, the plug 34 is located above the through hole 31 of the sealing seat; when the limiting column 17 abuts against the shallow part 16, the plug 34 is located in the through hole 31 of the seal holder.
In this embodiment, the plug connector 32 may be connected to the upper lifting plate 37. In order to avoid the water accumulation phenomenon between the lower seal seat 10 and the rotating disk 6, the middle part of the bottom end of the lower seal seat 10 is provided with a seal seat extension section 42, the seal seat extension section 42 can be placed into the rotating rod through hole 30, and thus, the water in the seal seat through hole 31 can smoothly enter the rotating rod through hole 30.
Preferably, the plug connector 32 is a cylindrical structure, and a water conduit 36 communicated with the water tank 1 is connected to the bottom end of the plug connector 32;
the plug connecting piece 32 is provided with a connecting piece limber hole 35 for communicating the inner cavity of the plug connecting piece with the water conduit 36.
In this embodiment, the outlet end of the water conduit 36 can be placed in the water tank 1 even under the action of the lifting driving device 3. The water conduit 36 may be made of a flexible tube material.
Preferably, the top end surface of the lower insertion section 27 is provided as a circular table surface.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Pressure measurement for pipe fitting, its characterized in that: comprises a supporting frame (2);
the water tank (1), the water pump (21) and the water outlet pipeline (32) positioned above the water tank (1) are mounted on the support frame (2), the water tank (1) is communicated with the input end of the water pump (21) through a first connecting pipe (23), and the output end of the water pump (21) is communicated with the water inlet end of the water outlet pipeline (32) through a second connecting pipe (28);
a plurality of upper sealing seats (16) are arranged on the supporting frame (2), a plurality of water outlet branch pipes (20) respectively corresponding to the upper sealing seats (16) are arranged on the water outlet pipeline (32), and the water outlet branch pipes (20) penetrate through the bottom ends of the upper sealing seats (16);
still install lift drive (3) on support frame (2), the output of lift drive (3) is connected with elevating platform (8), and lift drive (3) act on elevating platform (8) for: the lifting platform (8) can move up and down relative to the support frame (2);
a plurality of groups of lower sealing components which respectively correspond to the upper sealing seats (16) are arranged on the lifting platform (8), each lower sealing component comprises a sealing rotating rod (4) which is rotatably connected to the lifting platform (8), and the upper end part of each sealing rotating rod (4) is connected with a rotating disc (6); two arc-shaped openings (7) which are symmetrically arranged and penetrate through the upper end and the lower end of the rotating disc (6) are formed in the rotating disc (6), a movable rod (9) penetrates through the arc-shaped openings (7), and the movable rod (9) can move up and down relative to the arc-shaped openings (7); the top ends of the two movable rods (9) are connected with the same lower seal seat (10), the bottom end of the lower seal seat (10) is provided with an inward concave limiting groove (13) the groove depth of which gradually becomes deeper along the circumferential direction of the rotating disc (6), the limiting groove (13) is provided with a deep part (15) and a shallow part (16) the groove depth of which is smaller than the deep part (15), and the top end of the rotating disc (6) is provided with a limiting column (17) which can be in sliding fit with the limiting groove (13); the bottom ends of the two movable rods (9) are connected with the same force plate (11), and the middle part of the force plate (11) is provided with a force plate through hole (12) for abdicating the sealing rotating rod (4); the bottom end of the stressing plate (11) is provided with a stressing limiting component for preventing the stressing plate (11) from rotating;
and a rotating disc driving device for driving the rotating disc (6) to rotate, wherein the rotating disc driving device enables the circumferential position of the rotating disc (6) to be configured as follows: the limit post (17) can be abutted against the shallow part (16) or the limit post (17) can be abutted against the deep part (15).
2. The pipe fitting pressure detecting apparatus according to claim 1, wherein: still the cover is equipped with on movable rod (9) and forces elastic component (18), and the upper and lower both ends of exerting oneself elastic component (18) respectively the butt in the bottom of rolling disc (6) and the top of exerting oneself board (11), and it makes to exert oneself elastic component (18): the limiting column (17) can abut against the bottom of the limiting groove (13).
3. The pipe fitting pressure detecting apparatus according to claim 1, wherein: the force application limiting assembly comprises at least two force application limiting rods (22) capable of penetrating through the lifting platform (8), and the force application limiting rods (22) can move up and down relative to the lifting platform (8).
4. The pipe fitting pressure detecting apparatus according to claim 1, wherein: the middle part of the upper seal seat (16) is provided with an upper embedding section (24) which is convex downwards, and the upper seal seat (16) is provided with a first sealing ring (14) which is positioned on the periphery of the upper embedding section (24);
the middle part of the lower seal seat (10) is provided with a lower embedding section (27) which is convex upwards, and a second sealing ring (29) which is positioned on the periphery of the lower embedding section (27) is arranged on the lower seal seat (10).
5. The pipe fitting pressure detecting apparatus according to claim 4, wherein: a rotating rod through hole (30) penetrating through the upper end and the lower end of the sealing rotating rod (4) is formed in the middle of the sealing rotating rod, and a sealing seat through hole (31) penetrating through the upper end and the lower end of the lower sealing seat (10) is formed in the middle of the lower sealing seat;
a plug connecting piece (32) is installed on the lifting platform (8), a plug rod (33) capable of penetrating through the rotating rod through hole (30) and the sealing seat through hole (31) is connected to the plug connecting piece (32), a plug (34) with the outer diameter larger than the rod diameter is arranged at the top end of the plug rod (33), and the plug (34) can seal the top end opening of the sealing seat through hole (31);
when the limiting column (17) abuts against the deep part (15), the plug (34) is positioned above the through hole (31) of the sealing seat; when the limiting column (17) abuts against the shallow part (16), the plug (34) is positioned in the through hole (31) of the sealing seat.
6. The pipe fitting pressure detecting apparatus according to claim 5, wherein: the plug connecting piece (32) is of a cylindrical structure, and the bottom end of the plug connecting piece (32) is connected with a water conduit (36) communicated with the water tank (1);
the plug connecting piece (32) is provided with a connecting piece limber hole (35) for communicating the inner cavity of the plug connecting piece with the water conduit (36).
7. The pipe fitting pressure detecting apparatus according to claim 5, wherein: the top end surface of the lower embedding section (27) is a circular table surface.
8. The pipe fitting pressure detecting apparatus according to claim 5, wherein: the lifting platform (8) is provided with an upper lifting plate (37), a lower lifting plate (38) positioned below the upper lifting plate (37) and a connecting rib (39) used for connecting the upper lifting plate (37) and the lower lifting plate (38).
9. The pipe fitting pressure detecting apparatus according to claim 5, wherein: the rotating disc driving device comprises driven gears (40) arranged on the rotating disc (6), and the driven gears (40) in two adjacent groups of lower sealing assemblies are meshed;
the rotating disc driving device further comprises a rotating disc driving motor (28), and the output end of the rotating disc driving motor (28) is connected with a driving gear (19) meshed with a driven gear (40) in any one of the lower sealing assemblies.
10. The pipe fitting pressure detecting apparatus according to claim 1, wherein: the water inlet end of the first connecting pipe (23) is provided with a corrugated sleeve (25), and a filter screen (26) is arranged at the corrugated sleeve (25).
CN202010850631.8A 2020-08-21 2020-08-21 Pressure detection device for pipe fitting Active CN111965038B (en)

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