CN114112631A - Automatic adjusting device for exhaust pipe of hydraulic press and working method of automatic adjusting device - Google Patents
Automatic adjusting device for exhaust pipe of hydraulic press and working method of automatic adjusting device Download PDFInfo
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- CN114112631A CN114112631A CN202111413210.XA CN202111413210A CN114112631A CN 114112631 A CN114112631 A CN 114112631A CN 202111413210 A CN202111413210 A CN 202111413210A CN 114112631 A CN114112631 A CN 114112631A
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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
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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
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- 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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- 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
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Abstract
The invention relates to an automatic adjusting device for an exhaust pipe of a hydraulic press and a working method thereof, which are used for a hydraulic test of a pipe fitting. The pneumatic control device comprises an adjusting seat, an inner guide pipe, an outer guide pipe, an exhaust pipe, an ascending control air pipe, a descending control air pipe, a lifting cavity and an exhaust channel, wherein the inner guide pipe and the outer guide pipe are both arranged on the adjusting seat, the lifting cavity is formed between the outer wall of the inner guide pipe and the inner wall of the outer guide pipe, one end of the exhaust pipe is arranged in the lifting cavity, the ascending control air pipe and the descending control air pipe are communicated with the lifting cavity uniformly, the exhaust channel is arranged in the exhaust pipe, the inner guide pipe and the adjusting seat, the ascending control air pipe and the descending control air pipe are both connected with a pneumatic control system, the exhaust pipe comprises an exhaust pipe body, an exhaust pipe lifting ring and an air inlet hole, the exhaust pipe lifting ring is arranged at one end of the exhaust pipe body, and the air inlet hole is arranged at the other end of the exhaust pipe body.
Description
Technical Field
The invention relates to an automatic adjusting device for an exhaust pipe of a hydraulic press and a working method thereof, which are used for a hydraulic test of a pipe fitting.
Background
After the ductile cast iron pipe is processed, the ductile cast iron pipe needs to be tested through a hydraulic press, the exhaust pipe or the exhaust pipeline of the hydraulic press is used for discharging air in the pipe when the hydraulic press fills water into the pipe when the hydraulic press conducts the hydraulic test on the pipe, and when the hydraulic press conducts the hydraulic test on the pipe with different specifications in the prior art, the exhaust pipeline is used for manually replacing the exhaust pipe according to the different specifications to adjust the height of the exhaust pipe, so that the ductile cast iron pipe is high in working strength and low in working efficiency.
In view of this, patent document No. 201711043780.8 discloses a hydraulic press, which lacks a corresponding automatic exhaust pipe adjustment device and can only be tested for pipes of the same specification.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the automatic adjusting device for the exhaust pipe of the hydraulic press, which has reasonable structural design, solves the problem of replacing the exhaust pipe by manual operation, and realizes the line passing of the mixed pipe of the hydraulic press, and the working method thereof.
The technical scheme adopted by the invention for solving the problems is as follows: this hydraulic press blast pipe automatic regulating apparatus, its structural feature lies in: including adjusting seat, interior stand pipe, outer stand pipe, blast pipe, rising control trachea, decline control trachea, lift cavity and exhaust passage, interior stand pipe and outer stand pipe are all installed on adjusting the seat, form the lift cavity between the outer wall of interior stand pipe and the inner wall of outer stand pipe, the one end of blast pipe is installed in the lift cavity, the even lift cavity intercommunication of rising control trachea and decline control trachea, be provided with exhaust passage in blast pipe, interior stand pipe and the regulation seat, rising control trachea and decline control trachea all are connected with pneumatic control system, the blast pipe includes blast pipe body, blast pipe lift ring and inlet port, the blast pipe lift ring sets up the one end at the blast pipe body, the inlet port sets up the other end at the blast pipe body.
Furthermore, the automatic regulating device for the exhaust pipe of the hydraulic press is arranged on a push head of the hydraulic press through a mounting seat, and an exhaust hole is formed in the push head of the hydraulic press and communicated with an exhaust channel.
Furthermore, the exhaust pipe lifting ring is positioned in the lifting cavity, and the air inlet is communicated with the exhaust channel.
Furthermore, the upper and lower both sides of blast pipe lifting ring all are provided with the recess.
Furthermore, the ascending control air pipe is communicated with the lower part of the lifting cavity, and the descending control air pipe is communicated with the upper part of the lifting cavity.
Further, sealing rings are arranged between the inner guide pipe and the exhaust pipe, between the outer guide pipe and the exhaust pipe, and between the inner guide pipe and the adjusting seat as well as between the outer guide pipe and the adjusting seat.
Further, during operation, the automatic regulating device of the water press exhaust pipe is positioned in the pipe fitting and is positioned at the female end of the pipe fitting.
Further, the other end of the exhaust pipe is in contact with the inner wall of the pipe fitting during operation.
Further, another technical object of the present invention is to provide a method for operating an automatic regulating device for an exhaust pipe of a hydraulic press.
The technical purpose of the invention is realized by the following technical scheme.
A working method of an automatic adjusting device of a hydraulic press exhaust pipe is characterized in that: the working method comprises the following steps: push away the head through hydraulic press and hold the socket end top of pipe fitting tightly, when the blast pipe is in the least significant end, control ascending control trachea through pneumatic control system and admit air, through atmospheric pressure with the blast pipe rise to with the inner wall contact of pipe fitting, the hydraulic press fills with water when the low pressure state and is full of the back, and the gas in the pipe fitting passes through inlet port, exhaust passage and exhaust hole and discharges, accomplishes the detection to the pipe fitting.
Further, the pneumatic control system controls the ascending control air pipe to exhaust, and the pneumatic control system controls the descending control air pipe to intake air, and the process is circulated by pressing the exhaust pipe to the lowest end.
Compared with the prior art, the invention has the following advantages: the automatic regulating device of the water press exhaust pipe is suitable for carrying out water pressure test on DN400-1000 pipe fittings, and the lifting height range of the exhaust pipe is controlled to be 10-289mm in the test process; this hydraulic press blast pipe automatic regulating apparatus only need when experimenting to the pipe fitting of different pipe diameters through the height of pneumatic control system control blast pipe can for the blast pipe contacts with the inner wall of pipe fitting, need not the manual work when experimenting to the pipe fitting of different pipe diameters and changes the blast pipe, has reduced human cost's input, has improved work efficiency, with this hydraulic press mixed pipe line of having realized multiple specification pipe fitting.
Drawings
Fig. 1 is a schematic front view of an automatic regulating device for an exhaust pipe of a hydraulic press according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a right-view mounting structure of an automatic regulating device of a hydraulic press exhaust pipe according to an embodiment of the present invention.
Fig. 3 is a schematic front view of an automatic regulating device of a hydraulic press exhaust pipe according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a right-view structure of an automatic regulating device of a hydraulic press exhaust pipe according to an embodiment of the invention.
In the figure: an adjusting seat 1, an inner guide pipe 2, an outer guide pipe 3, an exhaust pipe 4, an ascending control air pipe 5, a descending control air pipe 6, a lifting cavity 7, an exhaust passage 8, a mounting seat 9, a hydraulic press pushing head 10, an exhaust hole 11, a pipe fitting 12, a water pump, a water tank, a water pump,
an exhaust pipe body 41, an exhaust pipe lifting ring 42 and an air inlet hole 43.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1 to 4, it should be understood that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should still fall within the scope of the present invention without affecting the functions and the achievable objectives of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
The hydraulic press blast pipe automatic regulating apparatus in this embodiment, including adjusting seat 1, interior stand pipe 2, outer stand pipe 3, blast pipe 4, rising control trachea 5, decline control trachea 6, lift cavity 7 and exhaust passage 8, interior stand pipe 2 and outer stand pipe 3 are all installed on adjusting seat 1, form lift cavity 7 between the outer wall of interior stand pipe 2 and the inner wall of outer stand pipe 3, the one end of blast pipe 4 is installed in lift cavity 7, the even lift cavity 7 intercommunication of rising control trachea 5 and decline control trachea 6, blast pipe 4, interior stand pipe 2 is provided with exhaust passage 8 with adjusting seat 1.
The automatic regulating device for the exhaust pipe of the hydraulic press is arranged on a push head 10 of the hydraulic press through a mounting seat 9, an exhaust hole 11 is arranged on the push head 10 of the hydraulic press, the exhaust hole 11 is communicated with an exhaust channel 8, and an ascending control air pipe 5 and a descending control air pipe 6 are both connected with a pneumatic control system.
The exhaust pipe 4 in this embodiment includes an exhaust pipe body 41, an exhaust pipe lifting ring 42, and an air intake hole 43, the exhaust pipe lifting ring 42 being provided at one end of the exhaust pipe body 41, and the air intake hole 43 being provided at the other end of the exhaust pipe body 41.
The exhaust pipe lifting ring 42 in this embodiment is located in the lifting cavity 7, the air inlet 43 is communicated with the exhaust channel 8, the upper side and the lower side of the exhaust pipe lifting ring 42 are both provided with grooves, the lifting control air pipe 5 is communicated with the lower part of the lifting cavity 7, and the descending control air pipe 6 is communicated with the upper part of the lifting cavity 7.
In the embodiment, sealing rings are respectively arranged between the inner guide pipe 2 and the exhaust pipe 4, between the outer guide pipe 3 and the exhaust pipe 4, and between the inner guide pipe 2 and the outer guide pipe 3 and the adjusting seat 1; when the automatic regulating device of the water press exhaust pipe is in operation, the automatic regulating device is positioned in the pipe fitting 12 and at the female end of the pipe fitting 12, and the other end of the exhaust pipe 4 is in contact with the inner wall of the pipe fitting 12.
The working method of the automatic regulating device for the exhaust pipe of the hydraulic press in the embodiment comprises the following steps: the female end of the pipe fitting 12 is tightly pushed by the push head 10 of the hydraulic press, when the exhaust pipe 4 is at the lowest end, the air inlet of the ascending control air pipe 5 is controlled by the pneumatic control system, the exhaust pipe 4 is ascended to be contacted with the inner wall of the pipe fitting 12 through air pressure, and after the hydraulic press is filled with water in a low-pressure state, the air in the pipe fitting 12 is discharged through the air inlet hole 43, the exhaust channel 8 and the exhaust hole 11, so that the detection of the pipe fitting 12 is completed; the pneumatic control system controls the ascending control air pipe 5 to exhaust air, and the pneumatic control system controls the descending control air pipe 6 to intake air, and the process is circulated by pressing the exhaust pipe 4 to the lowest end.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a hydraulic press blast pipe automatic regulating apparatus which characterized in that: including adjusting seat (1), interior stand pipe (2), outer stand pipe (3), blast pipe (4), ascending control trachea (5), decline control trachea (6), lift cavity (7) and exhaust passage (8), interior stand pipe (2) and outer stand pipe (3) are all installed on adjusting seat (1), form lift cavity (7) between the outer wall of interior stand pipe (2) and the inner wall of outer stand pipe (3), install in lift cavity (7) the one end of blast pipe (4), ascending control trachea (5) and decline control trachea (6) evenly lift cavity (7) intercommunication, be provided with exhaust passage (8) in blast pipe (4), interior stand pipe (2) and the regulation seat (1), ascending control trachea (5) and decline control trachea (6) all are connected with pneumatic control system, blast pipe (4) include blast pipe body (41), The exhaust pipe lifting device comprises an exhaust pipe lifting ring (42) and air inlet holes (43), wherein the exhaust pipe lifting ring (42) is arranged at one end of an exhaust pipe body (41), and the air inlet holes (43) are arranged at the other end of the exhaust pipe body (41).
2. The automatic regulating device of the exhaust pipe of the hydraulic press according to claim 1, characterized in that: the automatic regulating device for the water press exhaust pipe is arranged on a water press pushing head (10) through a mounting seat (9), an exhaust hole (11) is formed in the water press pushing head (10), and the exhaust hole (11) is communicated with an exhaust channel (8).
3. The automatic regulating device of the exhaust pipe of the hydraulic press according to claim 1, characterized in that: the exhaust pipe lifting ring (42) is positioned in the lifting cavity (7), and the air inlet holes (43) are communicated with the exhaust channel (8).
4. The automatic regulating device of the exhaust pipe of the hydraulic press according to claim 1, characterized in that: the upper and lower sides of the exhaust pipe lifting ring (42) are provided with grooves.
5. The automatic regulating device of the exhaust pipe of the hydraulic press according to claim 1, characterized in that: the ascending control air pipe (5) is communicated with the lower part of the lifting cavity (7), and the descending control air pipe (6) is communicated with the upper part of the lifting cavity (7).
6. The automatic regulating device of the exhaust pipe of the hydraulic press according to claim 1, characterized in that: and sealing rings are arranged between the inner guide pipe (2) and the exhaust pipe (4), between the outer guide pipe (3) and the exhaust pipe (4), and between the inner guide pipe (2) and the outer guide pipe (3) and the adjusting seat (1).
7. The automatic regulating device of the exhaust pipe of the hydraulic press according to claim 1, characterized in that: when the automatic regulating device of the hydraulic press exhaust pipe works, the automatic regulating device is positioned in the pipe fitting (12) and is positioned at the female end of the pipe fitting (12).
8. The automatic regulating device of the exhaust pipe of the hydraulic press according to claim 1, characterized in that: the other end of the exhaust pipe (4) is contacted with the inner wall of the pipe fitting (12) when the exhaust pipe works.
9. A working method of an automatic adjusting device of a hydraulic press exhaust pipe is characterized in that: the working method comprises the following steps: push away the female end top tightly of head (10) with pipe fitting (12) through hydraulic press, when blast pipe (4) are in the least significant end, control ascending control trachea (5) through pneumatic control system and admit air, through atmospheric pressure with blast pipe (4) rise to with the inner wall contact of pipe fitting (12), the hydraulic press fills with water when the low pressure state and is full of the back, gas in pipe fitting (12) passes through inlet port (43), exhaust passage (8) and exhaust hole (11) and discharges, accomplish the detection to pipe fitting (12).
10. The working method of the automatic regulating device of the exhaust pipe of the hydraulic press according to claim 9, characterized in that: the pneumatic control system controls the ascending control air pipe (5) to exhaust air, the pneumatic control system controls the descending control air pipe (6) to intake air, and the air is circulated in such a way that the exhaust pipe (4) is pressed to the lowest end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413210.XA CN114112631A (en) | 2021-11-25 | 2021-11-25 | Automatic adjusting device for exhaust pipe of hydraulic press and working method of automatic adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413210.XA CN114112631A (en) | 2021-11-25 | 2021-11-25 | Automatic adjusting device for exhaust pipe of hydraulic press and working method of automatic adjusting device |
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| Publication Number | Publication Date |
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| CN114112631A true CN114112631A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111413210.XA Pending CN114112631A (en) | 2021-11-25 | 2021-11-25 | Automatic adjusting device for exhaust pipe of hydraulic press and working method of automatic adjusting device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314459A (en) * | 2007-05-31 | 2008-12-03 | 力帆实业(集团)股份有限公司 | Pneumatic power elevator apparatus |
| JP2010031751A (en) * | 2008-07-29 | 2010-02-12 | Hitachi Ltd | Pressure test method and drain method of piping in steam turbine plant |
| CN208653720U (en) * | 2018-09-05 | 2019-03-26 | 天津赛瑞创享科技有限公司 | A kind of hydraulic press sealing system |
| CN212539937U (en) * | 2020-10-13 | 2021-02-12 | 山西互昇科技有限公司 | Active telescopic exhaust pipe of steel pipe hydrostatic testing machine |
| CN214622098U (en) * | 2021-03-31 | 2021-11-05 | 新兴河北工程技术有限公司 | Active telescopic exhaust pipe of pipeline hydrostatic testing machine |
-
2021
- 2021-11-25 CN CN202111413210.XA patent/CN114112631A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314459A (en) * | 2007-05-31 | 2008-12-03 | 力帆实业(集团)股份有限公司 | Pneumatic power elevator apparatus |
| JP2010031751A (en) * | 2008-07-29 | 2010-02-12 | Hitachi Ltd | Pressure test method and drain method of piping in steam turbine plant |
| CN208653720U (en) * | 2018-09-05 | 2019-03-26 | 天津赛瑞创享科技有限公司 | A kind of hydraulic press sealing system |
| CN212539937U (en) * | 2020-10-13 | 2021-02-12 | 山西互昇科技有限公司 | Active telescopic exhaust pipe of steel pipe hydrostatic testing machine |
| CN214622098U (en) * | 2021-03-31 | 2021-11-05 | 新兴河北工程技术有限公司 | Active telescopic exhaust pipe of pipeline hydrostatic testing machine |
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