CN221037894U - Pressure testing machine - Google Patents
Pressure testing machine Download PDFInfo
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- CN221037894U CN221037894U CN202322712511.3U CN202322712511U CN221037894U CN 221037894 U CN221037894 U CN 221037894U CN 202322712511 U CN202322712511 U CN 202322712511U CN 221037894 U CN221037894 U CN 221037894U
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- fixed tube
- tube seat
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- pipes
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- 238000012360 testing method Methods 0.000 title abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 description 7
- 238000003825 pressing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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Abstract
The utility model discloses a pressure testing machine, which relates to the technical field of pressure testing machines and comprises a bottom plate, a reducing unit for positioning pipes with different diameters and a sealing unit for sealing the end parts of the pipes; the upper end of the bottom plate is provided with a translation mechanism, one side of the upper end of the bottom plate is fixed with a fixed tube seat, the upper end of the bottom plate is connected with another fixed tube seat in a sliding way, and the other fixed tube seat is connected with the moving end of the translation mechanism; the reducing unit comprises L-shaped barrels which are respectively arranged at the middle parts of one ends of the two fixed tube seats, which are close to each other, guide grooves are formed in the circumferences of one ends of the two L-shaped barrels, which are close to each other, at equal intervals, L-shaped supporting rods are connected in the guide grooves in a sliding manner, and pressurizing tubes are connected in the L-shaped barrels in a rotating manner; according to the utility model, the translation mechanism and the motor work, so that pipes with different diameters can be positioned and tested, and the applicability is stronger; after the positioning is finished, the end part of the pipe is sealed by using the expanded annular air bag, the sealing is more comprehensive, the pressure test data are more stable, and the accuracy is higher.
Description
Technical Field
The utility model relates to the technical field of pressure testing machines, in particular to a pressure testing machine.
Background
A test press is a device for pressure testing of a container or pipe. It detects the presence of leaks or other problems by applying pressure to the inside of the vessel or pipe. The pressure testing machine is generally composed of a pressure source, a pressure gauge, a pressure control valve, a connecting pipeline and the like. In operation, the pressure tester is connected to the container or pipeline, then the pressure control valve is opened to gradually increase the pressure, and the numerical value displayed by the pressure gauge is observed.
The patent publication No. CN217237102U discloses a pressure testing machine in the prior art, which mainly ensures the stability of the movement of a pipe pressure testing component when in use, and is stable in positioning pipes and the like.
According to the technology in the related field, for the pressure testing machine, most of the pressure testing machines need to replace different workpieces and the like when testing the pressure of pipes and the like with different diameters, so that the positioning is convenient, the use is inconvenient, and the pressure testing efficiency is low; when pressure test is performed, the sealing effect on two ends of a pipe and the like is poor, and the accuracy of pressure test data is easily affected.
Disclosure of utility model
The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide a pressure testing machine.
The utility model realizes the above purpose through the following technical scheme:
A pressure testing machine comprises a bottom plate, a reducing unit for positioning pipes with different diameters and a sealing unit for sealing the ends of the pipes;
A bottom plate: the upper end of the base plate is provided with a translation mechanism, one side of the upper end of the base plate is fixedly provided with a fixed tube seat, the upper end of the base plate is connected with another fixed tube seat in a sliding manner, and the other fixed tube seat is connected with the moving end of the translation mechanism; the translation mechanism moves with the other fixed tube seat, so that the pressure test can be performed after the tubes with different lengths are positioned.
Reducing unit: the device comprises L-shaped barrels which are respectively arranged at the middle parts of one ends of two fixed tube seats, wherein the circumferences of the two ends of the two L-shaped barrels, which are close to each other, are equally spaced, guide grooves are respectively formed in the circumferences of the two ends, which are close to each other, of the fixed tube seats, L-shaped supporting rods are respectively connected in the guide grooves in a sliding manner, pressurizing tubes are respectively connected in the L-shaped barrels in a rotating manner, rod pulling rings are respectively arranged at the ends, which are close to each other, of the two pressurizing tubes, long arc holes are formed in the circumferences of the rod pulling rings at equal intervals, the L-shaped supporting rods are positioned in the long arc holes, and power components are arranged on the pressurizing tubes; when the pipe to be tested is spliced with the L-shaped cylinder, the end part of the pipe is tightly attached to the fixed pipe seat, the pressurizing pipe rotates through the work of the power assembly, the L-shaped supporting rod can move towards the telecentric direction by utilizing the cooperation of the long arc hole and the L-shaped supporting rod, and the spliced pipes with different lengths are positioned.
And a sealing unit: comprises an annular air bag which is arranged on the circumference of one end of the fixed tube seat. After the pipe is positioned, the air bag is filled with gas with the pressure greater than that of the pressure test pipe, so that the deformation of the air bag is tightly attached to the circumference of the end part of the pipe for sealing.
Further, the sealing unit further comprises a telescopic groove with the circumference being equidistant and arranged at one end circumference of the fixed tube seat, arc-shaped baffles are slidably connected in the telescopic groove, a vent ring groove communicated with the telescopic groove is arranged in the fixed tube seat, vent holes communicated with the telescopic groove are arranged in the inner circumference of the fixed tube seat, and a blocking air pipe communicated with the vent ring groove is arranged at the upper end of the fixed tube seat. After the positioning is finished, external air enters the telescopic groove through the plugging air pipe and the ventilation ring groove, the arc-shaped baffle plate can be pushed to stretch out, the circumference on the outer side of the air bag is conveniently limited, and after the arc-shaped baffle plate stretches out, the air enters the air bag through the ventilation hole, so that the air bag can be inflated.
Further, the power component comprises a worm wheel, a worm is connected to the inside of the fixed tube seat in a rotating mode, the worm is connected with the worm wheel in a meshed mode, a motor is installed at the rear end of the lower side of the inside of the fixed tube seat, and an output shaft of the motor is connected with the rear end of the worm. After the pipe is inserted, the motor works to drive the worm to rotate, and the worm wheel can drive the pressurizing pipe to rotate by utilizing the engagement of the worm and the worm wheel.
Further, a pipe joint is arranged at the other end of the pressurizing pipe, and a pressure gauge is arranged on the pressurizing pipe. The pipe joint is convenient to connect with an external air pressure pipeline, after the positioning and sealing are finished, the external air pressure enters the pipe through the pressurizing pipe, so that pressure test can be performed, and the data of the pressure test can be obtained by observing the pressure gauge on the pressurizing pipe.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the translation mechanism works, so that the tubes with different lengths can be spliced and positioned, the motor works, the L-shaped supporting rod moves towards the telecentric direction, the spliced tubes with different diameters are positioned, the positioning and pressure test of the tubes with different lengths and diameters are realized, and the applicability is stronger.
2. According to the utility model, after positioning, the arc-shaped baffle plate extends out first to limit the circumference of the outer side of the air bag, and then gas enters the air bag to expand, so that the end part of the pipe can be sealed, the sealing is more comprehensive, the pressure test data is more stable, and the accuracy is higher.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of the whole structure of a pressure testing machine according to the present utility model;
FIG. 2 is a schematic view of a portion of a stator base of a pressure tester according to the present utility model;
FIG. 3 is a schematic diagram of an explosion structure of a fixed tube seat of a pressure testing machine according to the utility model;
FIG. 4 is a schematic diagram of the internal fit structure of the fixed tube seat of the pressure testing machine.
The reference numerals are explained as follows:
1. A bottom plate; 2. a fixed tube seat; 3. a translation mechanism; 4. an L-shaped cylinder; 5. a guide groove; 6. an L-shaped stay bar; 7. a pressurizing tube; 8. a setting bar ring; 9. a long arc hole; 10. a worm wheel; 11. a worm; 12. a motor; 13. a telescopic slot; 14. an arc baffle; 15. an air bag; 16. a ventilation ring groove; 17. plugging the trachea; 18. and a vent hole.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model is further described below with reference to the accompanying drawings:
Examples
1-4, The pressure testing machine comprises a bottom plate 1, a reducing unit for positioning pipes with different diameters and a sealing unit for sealing the ends of the pipes;
The base plate 1: the upper end of the base plate 1 is provided with a translation mechanism 3, one side of the upper end of the base plate 1 is fixed with a fixed tube seat 2, the upper end of the base plate 1 is connected with another fixed tube seat 2 in a sliding manner, and the other fixed tube seat 2 is connected with the moving end of the translation mechanism 3; as shown in fig. 1, the translation mechanism 3 carries the other fixed tube seat 2 to move, so that the pressure test can be performed after the tubes with different lengths are positioned, and the positioning is more convenient.
Reducing unit: the device comprises L-shaped barrels 4 which are respectively arranged at the middle parts of one ends of two fixed tube seats 2, wherein the circumferences of the ends of the two L-shaped barrels 4, which are close to each other, are equally spaced, guide grooves 5 are respectively formed in the guide grooves 5 in a sliding manner, L-shaped supporting rods 6 are respectively connected in the L-shaped barrels 4 in a sliding manner, pressing tubes 7 are respectively connected in a rotating manner, pulling rod rings 8 are respectively arranged at the ends of the two pressing tubes 7, which are close to each other, long arc holes 9 are formed in the circumferences of the pulling rod rings 8 in an equally spaced manner, the L-shaped supporting rods 6 are positioned in the long arc holes 9, and power components are arranged on the pressing tubes 7; as shown in fig. 4, after the pipe to be tested is inserted into the L-shaped cylinder 4, the end of the pipe is tightly attached to the fixed pipe seat 2, the pressurizing pipe 7 rotates through the operation of the power assembly, the L-shaped supporting rod 6 can move towards the telecentric direction by utilizing the cooperation of the long arc hole 9 and the L-shaped supporting rod 6, the inserted pipe is positioned, the pipe with different lengths and diameters is positioned and tested conveniently, and the applicability is stronger.
And a sealing unit: comprising an annular air bag 15 mounted on one end circumference of the fixed tube seat 2. As shown in fig. 1 and fig. 4, after the pipe is positioned, the air bag 15 is filled with gas with pressure greater than that of the pressure test pipe, so that the deformation of the air bag can be tightly attached to the circumference of the end part of the pipe, the sealing is more comprehensive, the pressure test data is more stable, and the accuracy is higher.
The sealing unit further comprises telescopic grooves 13 with the circumferences being equidistant and arranged on one end circumference of the fixed tube seat 2, arc-shaped baffle plates 14 are slidably connected inside the telescopic grooves 13, vent ring grooves 16 communicated with the telescopic grooves 13 are arranged inside the fixed tube seat 2, vent holes 18 communicated with the telescopic grooves 13 are arranged on the inner circumference of the fixed tube seat 2, and a blocking air pipe 17 communicated with the vent ring grooves 16 is arranged at the upper end of the fixed tube seat 2. As shown in fig. 4, after positioning, the external air enters the expansion groove 13 through the plugging air pipe 17 and the ventilation ring groove 16, and can push the arc baffle 14 to extend, so that the circumference of the outer side of the air bag 15 is conveniently limited, the binding tightness between the air bag 15 and the end part of the pipe is improved, and after the arc baffle 14 extends, the air enters the air bag 15 through the ventilation hole 18, so that the air bag can expand, and the end part of the pipe is sealed.
The power assembly comprises a worm wheel 10, a worm 11 is rotatably connected in the fixed tube seat 2, the worm 11 is meshed with the worm wheel 10, a motor 12 is mounted at the rear end of the lower side in the fixed tube seat 2, and an output shaft of the motor 12 is connected with the rear end of the worm 11. As shown in fig. 3 and 4, after the pipes are inserted, the motor 12 works to drive the worm 11 to rotate, and the worm wheel 10 can drive the pressurizing pipe 7 to rotate by utilizing the engagement of the worm 11 and the worm wheel 10, so that a foundation is provided for positioning the pipes with different diameters to test the pressure.
The other end of the pressurizing pipe 7 is provided with a pipe joint, and the pressurizing pipe 7 is provided with a pressure gauge. As shown in fig. 4, the pipe joint is convenient to connect with an external air pressure pipe, after the positioning and sealing are completed, external air pressure enters the pipe through the pressurizing pipe 7, pressure test can be performed, data of the pressure test can be obtained by observing the pressure gauge on the pressurizing pipe 7, and the data can be obtained more conveniently during the pressure test.
Working principle: when the pressure testing device is used, as shown in fig. 1-4, the translation mechanism 3 moves the other fixed tube seat 2 to position the tubes with different lengths, after the tubes to be tested are spliced with the L-shaped tube 4 during positioning, the ends of the tubes are tightly attached to the fixed tube seat 2, the motor 12 works to drive the worm 11 to rotate, the worm 11 is meshed with the worm wheel 10, the worm wheel 10 drives the pressurizing tube 7 to rotate, the long arc hole 9 is matched with the L-shaped supporting rod 6, so that the L-shaped supporting rod 6 can move towards the telecentric direction to position the spliced tubes, the tubes with different lengths and diameters can be conveniently positioned for testing pressure, and the applicability is higher;
As shown in fig. 4, after positioning, the external air enters the expansion groove 13 through the plugging air pipe 17 and the ventilation ring groove 16, the arc baffle 14 can be pushed to stretch out firstly, the circumference outside the air bag 15 is limited conveniently, the binding tightness between the air bag 15 and the pipe end is improved, after the arc baffle 14 stretches out, the air enters the air bag 15 through the ventilation hole 18, and can expand, the end of the pipe is sealed, the sealing is more comprehensive, the pressure test data is more stable, and the accuracy is higher.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (4)
1. A pressure tester, comprising: the device comprises a bottom plate (1), a reducing unit for positioning pipes with different diameters and a sealing unit for sealing the end parts of the pipes;
Bottom plate (1): the upper end of the base plate (1) is provided with a translation mechanism (3), one side of the upper end of the base plate (1) is fixed with a fixed tube seat (2), the upper end of the base plate (1) is connected with another fixed tube seat (2) in a sliding manner, and the other fixed tube seat (2) is connected with the moving end of the translation mechanism (3);
Reducing unit: the novel fixed tube comprises L-shaped barrels (4) which are respectively arranged at the middle parts of one ends of two fixed tube seats (2) which are close to each other, guide grooves (5) are formed in the circumferences of the two ends, which are close to each other, of the L-shaped barrels (4) at equal intervals, L-shaped supporting rods (6) are connected in the guide grooves (5) in a sliding mode, pressure pipes (7) are connected in the L-shaped barrels (4) in a rotating mode, rod pulling rings (8) are respectively arranged at the ends, which are close to each other, of the two pressure pipes (7), long arc holes (9) are formed in the circumferences of the rod pulling rings (8) at equal intervals, the L-shaped supporting rods (6) are located in the long arc holes (9), and power components are arranged on the pressure pipes (7);
And a sealing unit: comprises an annular air bag (15) arranged on the circumference of one end of the fixed tube seat (2).
2. A pressure tester as claimed in claim 1, wherein: the sealing unit further comprises a telescopic groove (13) with the circumference being equidistant from one end of the fixed tube seat (2), arc-shaped baffles (14) are slidably connected in the telescopic groove (13), a vent ring groove (16) communicated with the telescopic groove (13) is formed in the fixed tube seat (2), vent holes (18) communicated with the telescopic groove (13) are formed in the circumference of the fixed tube seat (2), and a blocking air pipe (17) communicated with the vent ring groove (16) is arranged at the upper end of the fixed tube seat (2).
3. A pressure tester as claimed in claim 1, wherein: the power assembly comprises a worm wheel (10), a worm (11) is rotatably connected to the inside of the fixed tube seat (2), the worm (11) is meshed with the worm wheel (10), a motor (12) is mounted at the rear end of the lower side of the inside of the fixed tube seat (2), and an output shaft of the motor (12) is connected with the rear end of the worm (11).
4. A pressure tester as claimed in claim 1, wherein: the other end of the pressurizing pipe (7) is provided with a pipe joint, and the pressurizing pipe (7) is provided with a pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712511.3U CN221037894U (en) | 2023-10-10 | 2023-10-10 | Pressure testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712511.3U CN221037894U (en) | 2023-10-10 | 2023-10-10 | Pressure testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221037894U true CN221037894U (en) | 2024-05-28 |
Family
ID=91167975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322712511.3U Active CN221037894U (en) | 2023-10-10 | 2023-10-10 | Pressure testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221037894U (en) |
-
2023
- 2023-10-10 CN CN202322712511.3U patent/CN221037894U/en active Active
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