CN113700857B - Socket rubber ring device is suppressed to nodular cast iron pipe hydraulic press - Google Patents
Socket rubber ring device is suppressed to nodular cast iron pipe hydraulic press Download PDFInfo
- Publication number
- CN113700857B CN113700857B CN202110977898.8A CN202110977898A CN113700857B CN 113700857 B CN113700857 B CN 113700857B CN 202110977898 A CN202110977898 A CN 202110977898A CN 113700857 B CN113700857 B CN 113700857B
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- CN
- China
- Prior art keywords
- socket
- iron pipe
- cast iron
- nodular cast
- push head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
- F16J15/022—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material
- F16J15/024—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity
- F16J15/025—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity and with at least one flexible lip
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
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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
- G01N3/02—Details
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Joints With Sleeves (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The invention relates to a socket rubber ring pressing device of a nodular cast iron pipe hydraulic press, which belongs to the technical field of nodular cast iron pipe production and comprises a hydraulic device, wherein a piston rod is fixedly arranged on an output shaft of the hydraulic device, the piston rod penetrates through a socket baffle plate and is fixedly connected with a socket push head, the other end of the socket push head is provided with a sealing mechanism matched with a socket of a nodular cast iron pipe, the socket push head is also connected with a water valve device, and the socket push head, the socket baffle plate, the hydraulic device and the water valve device are controlled by an electric appliance control system. The socket outer chamfer lip seal ring is adopted to seal the socket outer chamfer part of the nodular cast iron pipe, so that the sealing performance can be ensured, and the service life can be greatly prolonged; the socket outer chamfer lip seal ring, the socket end face seal ring and the inner wall buffer cushion layer are matched, so that gradual fastening and sealing of the socket of the nodular cast iron pipe are realized, tightness and the inner wall of the nodular cast iron pipe are not damaged, and the service life of the rubber ring device is prolonged.
Description
Technical Field
The invention relates to a device for pressing a socket rubber ring of a nodular cast iron pipe hydraulic press, and belongs to the technical field of nodular cast iron pipe production.
Background
In the nodular cast iron pipe production line, the hydraulic press is used for hydraulic pressure withstand voltage detection of the nodular cast iron pipe production line, and delivery products are guaranteed to meet hydraulic pressure test requirements and pipelines are free from leakage. The testing process of the hydraulic press comprises the following steps: the two ends of the spheroidal graphite cast iron pipe are sealed through the bell and spigot plugs, high-pressure water is filled in the pipe, the pressure is maintained for a certain time, no water leakage phenomenon exists, and the pipe is led to the next working procedure after the detection is qualified. The seal of the pressing socket of the raw water press is that a rubber annular solid ring is forcedly inserted and sealed by a pipe socket, the rubber ring is seriously damaged, the service life of the rubber ring is short and frequently replaced, and the normal production rhythm is influenced.
Disclosure of Invention
The invention aims to provide a device for pressing a socket rubber ring of a nodular cast iron pipe hydraulic press, which solves the problem of short service life of the existing socket sealing rubber ring.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a socket rubber ring device is suppressed to nodular cast iron pipe hydraulic press, includes hydraulic means, fixed mounting has the piston rod on hydraulic means's the output shaft, piston rod and socket baffle fixed connection, and the piston rod passes socket baffle and still fixedly connected with socket and push away the head, the other end that the socket pushed away the head is equipped with the socket matched with sealing mechanism with nodular cast iron pipe, and the socket pushes away the head and still is connected with the water valve device, socket pushes away head, socket baffle, hydraulic means and water valve device all are controlled by electrical apparatus control system.
The technical scheme of the invention is further improved as follows: the sealing mechanism comprises an inserting opening outer chamfer lip-shaped sealing ring corresponding to the inserting opening outer chamfer of the nodular cast iron pipe, an inner ring of the inserting opening outer chamfer lip-shaped sealing ring is connected with an inserting opening end face sealing ring, an inner ring of the inserting opening end face sealing ring is connected with an inner wall buffer cushion layer, and the inner wall buffer cushion layer is attached to the inner wall of the nodular cast iron pipe.
The technical scheme of the invention is further improved as follows: the hydraulic device is provided with a pressure display.
The technical scheme of the invention is further improved as follows: the socket push head is fastened with a piston rod of the hydraulic device through bolts.
The technical scheme of the invention is further improved as follows: the thickness of the socket end face sealing ring is lower than that of the socket outer chamfer lip sealing ring.
The technical scheme of the invention is further improved as follows: and the socket end face sealing ring corresponds to the nodular cast iron pipe.
By adopting the technical scheme, the invention has the following technical effects:
the socket outer chamfer lip-shaped sealing ring is adopted to seal the socket outer chamfer part of the ductile cast iron pipe, so that the sealing performance can be ensured, and the service life can be greatly prolonged.
The socket outer chamfer lip-shaped sealing ring, the socket end face sealing ring and the inner wall buffer cushion layer are matched, so that the socket of the nodular cast iron pipe is gradually fastened and sealed, the tightness is ensured, the inner wall of the nodular cast iron pipe is not damaged, and the service life of the rubber ring device is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the seal mechanism of the present invention;
the socket comprises a ductile iron pipe, an inner wall buffer cushion layer, a socket end face sealing ring, a socket outer chamfer lip sealing ring, a socket push head, a water valve device, a hydraulic device, a pressure display, an electric appliance control system, a socket baffle and a socket baffle.
Detailed Description
The invention is further described in detail below with reference to the attached drawings and specific examples:
the utility model provides a socket rubber ring device is suppressed to nodular cast iron pipe hydraulic press, as shown in fig. 1, includes hydraulic means 7, hydraulic means 7 installs pressure display 8, can show the propulsion pressure when nodular cast iron pipe 1 extrusion seal in real time. The output shaft of the hydraulic device 7 is fixedly provided with a piston rod, the piston rod is fixedly connected with the socket baffle 11, the piston rod penetrates through the socket baffle 11 and is fixedly connected with the socket push head 5 through the bolt 10, and the socket push head 5 can be replaced appropriately according to different tube types.
The other end of the socket push head 5 is provided with a sealing mechanism matched with a socket of the ductile cast iron pipe 1, as shown in fig. 2, the sealing mechanism comprises a socket outer chamfer lip-shaped sealing ring 4 corresponding to the socket outer chamfer of the ductile cast iron pipe 1, the inner ring of the socket outer chamfer lip-shaped sealing ring 4 is connected with a socket end face sealing ring 3 corresponding to the ductile cast iron pipe 1, the thickness of the socket end face sealing ring 3 is lower than that of the socket outer chamfer lip-shaped sealing ring 4, the socket outer chamfer lip-shaped sealing ring 4 is a main stress sealing ring in the extrusion process, and the stress of the socket end face sealing ring 3 is small. The inner ring of the socket end face sealing ring 3 is connected with an inner wall buffer cushion layer 2, the inner wall buffer cushion layer 2 is attached to the inner wall of the nodular cast iron pipe 1, and various inner wall damages caused by direct contact between the inside of the cast iron pipe and a socket device can be avoided. The socket push head 5 is also connected with a water valve device 6, and can release pressure and drain water after the pressing is finished.
The socket push head 5, the socket baffle 11, the hydraulic device 7 and the water valve device 6 are controlled by the electric appliance control system 9. The electric appliance control system 9 advances the socket of the ductile cast iron pipe 1 according to the instruction: the electric control system 9 controls the hydraulic device 7 to drive the socket baffle 11 and the socket push head 5 to push towards the direction of the nodular cast iron pipe 1, the outer chamfer surface of the socket outer chamfer lip-shaped sealing ring 4 is gradually contacted with the outer chamfer surface of the nodular cast iron pipe 1 in the pushing process, and when the two chamfer surfaces are attached, the electric control system 9 controls the hydraulic device 7 to stop moving. At this time, the socket outer chamfer lip seal ring, the socket end face seal ring and the inner wall buffer cushion layer are matched to realize gradual fastening and sealing.
The foregoing examples are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the invention, and various modifications and improvements made by those skilled in the art to which the invention pertains will fall within the scope of the invention as defined by the appended claims.
Claims (2)
1. The utility model provides a socket rubber ring device is suppressed to nodular cast iron pipe hydraulic press which characterized in that: the device comprises a hydraulic device (7), wherein a piston rod is fixedly arranged on an output shaft of the hydraulic device (7), the piston rod is fixedly connected with a socket baffle (11), the piston rod penetrates through the socket baffle (11) and is fixedly connected with a socket push head (5), the other end of the socket push head (5) is provided with a sealing mechanism matched with a socket of a nodular cast iron pipe (1), the socket push head (5) is further connected with a water valve device (6), the water valve device (6) and a water pipe thereof are embedded in the socket baffle (11), the water valve device (6) is opened on the side surface of the socket baffle (11), and the socket push head (5), the socket baffle (11), the hydraulic device (7) and the water valve device (6) are controlled by an electrical appliance control system (9); the sealing mechanism comprises an inserting opening outer chamfer lip-shaped sealing ring (4) corresponding to the inserting opening outer chamfer of the nodular cast iron pipe (1), an inserting opening end face sealing ring (3) is connected to the inner ring of the inserting opening outer chamfer lip-shaped sealing ring (4), an inner wall buffer cushion layer (2) is connected to the inner ring of the inserting opening end face sealing ring (3), and the inner wall buffer cushion layer (2) is attached to the inner wall of the nodular cast iron pipe (1); the hydraulic device (7) is provided with a pressure display (8); the socket push head (5) is fastened with a piston rod of the hydraulic device (7) by a bolt (10); the thickness of the socket end face sealing ring (3) is lower than that of the socket outer chamfer lip-shaped sealing ring (4).
2. The socket rubber ring device for pressing of ductile iron pipe hydraulic press according to claim 1, wherein: the socket end face sealing ring (3) corresponds to the nodular cast iron pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110977898.8A CN113700857B (en) | 2021-08-25 | 2021-08-25 | Socket rubber ring device is suppressed to nodular cast iron pipe hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110977898.8A CN113700857B (en) | 2021-08-25 | 2021-08-25 | Socket rubber ring device is suppressed to nodular cast iron pipe hydraulic press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113700857A CN113700857A (en) | 2021-11-26 |
| CN113700857B true CN113700857B (en) | 2023-09-19 |
Family
ID=78668954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110977898.8A Active CN113700857B (en) | 2021-08-25 | 2021-08-25 | Socket rubber ring device is suppressed to nodular cast iron pipe hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113700857B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1234201A (en) * | 1967-09-22 | 1971-06-03 | ||
| CN104712867A (en) * | 2015-04-02 | 2015-06-17 | 天津理工大学 | Pressure self-adaptation end face seal device for water pressure test of steel pipe |
| CN207018533U (en) * | 2017-07-13 | 2018-02-16 | 苏州纳思特精密机械有限公司 | Sealing ring |
| CN210071245U (en) * | 2019-06-03 | 2020-02-14 | 忠世高新材料股份有限公司 | Titanium alloy pipe hydraulic press body sealing and pressing device |
| CN212717950U (en) * | 2020-06-15 | 2021-03-16 | 天津乐赢科技有限公司 | Galvanized steel pipe with port sealing ring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7766391B2 (en) * | 2006-04-05 | 2010-08-03 | Doowon Climate Control Co., Ltd. | Pipe connecting structure |
-
2021
- 2021-08-25 CN CN202110977898.8A patent/CN113700857B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1234201A (en) * | 1967-09-22 | 1971-06-03 | ||
| CN104712867A (en) * | 2015-04-02 | 2015-06-17 | 天津理工大学 | Pressure self-adaptation end face seal device for water pressure test of steel pipe |
| CN207018533U (en) * | 2017-07-13 | 2018-02-16 | 苏州纳思特精密机械有限公司 | Sealing ring |
| CN210071245U (en) * | 2019-06-03 | 2020-02-14 | 忠世高新材料股份有限公司 | Titanium alloy pipe hydraulic press body sealing and pressing device |
| CN212717950U (en) * | 2020-06-15 | 2021-03-16 | 天津乐赢科技有限公司 | Galvanized steel pipe with port sealing ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113700857A (en) | 2021-11-26 |
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