CN219714657U - Pressure testing machine of screw compressor body - Google Patents
Pressure testing machine of screw compressor body Download PDFInfo
- Publication number
- CN219714657U CN219714657U CN202320836459.XU CN202320836459U CN219714657U CN 219714657 U CN219714657 U CN 219714657U CN 202320836459 U CN202320836459 U CN 202320836459U CN 219714657 U CN219714657 U CN 219714657U
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- oil cylinder
- frame
- water tank
- screw compressor
- pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a screw compressor body detection device, in particular to a pressure testing machine for a screw compressor body. The pressure testing machine comprises a frame and a water tank; the upper part of the frame is fixedly provided with a top plate, a bottom plate is arranged below the top plate, the bottom plate is fixedly connected with the top plate through four upright posts, the upper surface of the bottom plate is provided with a sealing rubber plate, an air charging port and an air discharging port are reserved on the sealing rubber plate, two backers are symmetrically arranged on the left side and the right side of the bottom plate, a first oil cylinder is arranged on the right side backer, the head part of the first oil cylinder faces to an air outlet on the side of the machine body, and a first blocking block is arranged on the head part of the first oil cylinder; the top plate is provided with a second oil cylinder, the head part of the second oil cylinder faces the air outlet on the machine body, and the head part of the second oil cylinder is provided with a second blocking block; the water tank is arranged at the lower part of the frame, the water tank is provided with a lifting device, and the water tank can be lifted to enable the machine body to be immersed into the water tank. The engine body is sealed by the oil cylinder, so that the tightness of the engine body is ensured; the whole pressure test process adopts machine operation, and the efficiency is greatly improved.
Description
Technical Field
The utility model relates to a screw compressor body detection device, in particular to a pressure testing machine for a screw compressor body.
Background
The screw compressor body needs to detect whether air holes, sand holes and other defects exist after casting and whether water leakage exists after sealing; in daily practice, whether the defects exist is generally judged through autonomous observation of operators after manual sealing and pressurization, the pressure test mode is low in efficiency and low in accuracy, and the air pressure of the pressure test is difficult to grasp and damage to parts occurs.
Disclosure of Invention
In order to solve the problems, the utility model aims to improve the efficient and accurate screw compressor body pressure test machine. In order to achieve the purpose, the utility model adopts the following scheme:
a pressure testing machine of a screw compressor body comprises a frame and a water tank; the upper part of the frame is fixedly provided with a top plate, a bottom plate is arranged below the top plate, the bottom plate is fixedly connected with the top plate through four upright posts, the upper surface of the bottom plate is provided with a sealing rubber plate, an air charging port and an air discharging port are reserved on the sealing rubber plate, two backers are symmetrically arranged on the left side and the right side of the bottom plate, a first oil cylinder is arranged on the right side backer, the head part of the first oil cylinder faces to an air outlet on the side of the machine body, and a first blocking block is arranged on the head part of the first oil cylinder; the top plate is provided with a second oil cylinder, the head part of the second oil cylinder faces the air outlet on the machine body, and the head part of the second oil cylinder is provided with a second blocking block; the water tank is arranged at the lower part of the frame, the water tank is provided with a lifting device, and the water tank can be lifted to enable the machine body to be immersed into the water tank.
Preferably, the top plate is also provided with an auxiliary oil cylinder for balancing the stress of the machine body, and the head of the auxiliary oil cylinder faces the bottom plate.
Preferably, the side of the frame is provided with an oil pump and an oil tank, the upper part of the oil tank is also provided with an electromagnetic reversing valve, and the electromagnetic reversing valve is connected with the oil pump, the oil tank and the oil cylinder through oil pipes.
Preferably, the upper part of the frame is provided with two electromagnetic valves and a pressure reducing valve is arranged on the side surface of the frame, the first electromagnetic valve is arranged between the external air inlet pipe and the air charging port, the second electromagnetic valve is arranged between the pressure reducing valve and the air cylinder, and the pressure reducing valve is connected with the external air inlet pipe.
Further, the upper part of the frame is also provided with a control panel, and the control panel is provided with emergency stop, reset and start buttons for controlling the electromagnetic directional valve and the electromagnetic valve.
Preferably, the lifting device is two cylinders, the cylinders are symmetrically arranged on the left side and the right side of the frame, the heads of the cylinders face upwards, the upper portion of the water tank is fixedly connected with the heads of the cylinders, and auxiliary polished rods are arranged on the front side and the rear side of the two cylinders.
Preferably, two pressure gauges are arranged on the upper portion of the frame and are connected with the inflation inlet, one pressure gauge is a touch pressure gauge, and the touch pressure gauge transmits signals to the control panel.
Preferably, the bottom plate is also provided with a positioning block.
In summary, the pressure testing machine has the advantages that the oil cylinder is adopted to seal the machine body, so that the tightness of the machine body is ensured; the pressure gauge is added to detect the air pressure in the machine body, so that the accuracy of pressure test is ensured; the whole pressure test process adopts machine operation, and the efficiency is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of the test press.
Fig. 2 is a partial enlarged view at a.
Fig. 3 is a schematic diagram of the structure of the important parts.
Fig. 4 is a schematic diagram of each control element of the test press.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify 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.
At the same time, it should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
As shown in fig. 1 to 3, a pressure tester for a screw compressor body includes a frame 6; the top plate 7 is fixedly arranged on the upper part of the frame 6, a bottom plate 8 is arranged below the top plate 7, the bottom plate 8 and the top plate 7 are fixedly connected through four upright posts, a sealing rubber plate 51 is arranged on the upper surface of the bottom plate 8, an air charging port 12 and an air discharging port 13 are reserved on the sealing rubber plate 51, positioning blocks are also arranged on the bottom plate 8, two backers 9 are symmetrically arranged on the left side and the right side of the bottom plate 8, a first oil cylinder 31 is arranged on the right side backer 9, the head of the first oil cylinder 31 faces to an air outlet on the side of the machine body, and a first blocking block 52 is arranged on the head of the first oil cylinder 31; the top plate 7 is provided with a second oil cylinder 32 and an auxiliary oil cylinder 33 for balancing the stress of the machine body, the head part of the second oil cylinder 32 faces to the air outlet on the machine body, and the head part of the second oil cylinder 32 is provided with a second blocking block 53;
the oil pump 1 and the oil tank 2 are arranged on the side face of the frame 6, the oil pump 1 is arranged on the upper portion of the oil tank 2, the electromagnetic directional valve 14 is further arranged on the upper portion of the oil tank 2, and the electromagnetic directional valve 14 is connected with the oil pump 1, the oil tank 2 and the oil cylinder 3 through oil pipes.
As shown in fig. 4, the water tank 10 is arranged at the lower part of the frame 6, the left and right sides of the middle part of the frame 6 are fixedly provided with air cylinders 11 for lifting the water tank, the heads of the two air cylinders 11 face upwards, and the front and rear sides of the two air cylinders 11 are provided with auxiliary polish rods;
the upper part of the frame 6 is provided with two electromagnetic valves 15, the side surface of the frame is provided with a pressure reducing valve 16, an external air inlet input pressure reducing valve 16 is connected with one of the electromagnetic valves 15, a first electromagnetic valve 151 is connected with the charging port 12, and a second electromagnetic valve 152 is arranged between the pressure reducing valve 16 and the air cylinder 11; the upper part of the stand 6 is also provided with a control panel 17, and the control panel 17 is provided with emergency stop, reset and start buttons; the two pressure gauges 4 are arranged at the upper part of the frame 6, and the two pressure gauges 4 are connected with the air port 14 of the machine body, wherein one pressure gauge is a touch pressure gauge for transmitting signals to the control panel.
The working process comprises the following steps: placing the machine body on the bottom plate 8 and tightly attaching the positioning block to the left mountain 9, pressing a start button, starting the oil pump 1 to work, inputting pressure oil to one end of the oil cylinder 3 by the electromagnetic reversing valve 14, stretching the head of the oil cylinder 3 to clamp and seal the machine body, starting the first electromagnetic valve 151 to pump air to the machine body, triggering the pressure gauge to detect that the specified pressure is reached to enable the control panel 17 to be transmitted with a signal, stopping pumping air, then automatically starting the second electromagnetic valve 152 by the control panel 17 to lift the water tank 10, observing whether the machine body leaks air or not, observing the conditions of the pressure gauge 4 and the machine body after 15 seconds, and finally pressing a reset button, slowly stopping working the oil pump 1 and the second electromagnetic valve 152, and slowly descending the water tank 10; the electromagnetic reversing valve 14 is used for reversing to input pressure oil to the oil cylinder 3, and the head of the oil cylinder 3 is slowly retracted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art. The generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A pressure testing machine of a screw compressor body is characterized in that: the pressure testing machine comprises a frame (6) and a water tank (10); a top plate (7) is fixedly arranged on the upper part of the frame (6), a bottom plate (8) is arranged below the top plate (7), the bottom plate (8) is fixedly connected with the top plate (7) through four upright posts, a sealing rubber plate (51) is arranged on the upper surface of the bottom plate (8), an air charging port (12) and an air discharging port (13) are reserved on the sealing rubber plate (51), two backers (9) are symmetrically arranged on the left side and the right side of the bottom plate (8), a first oil cylinder (31) is arranged on the right side backer (9), the head of the first oil cylinder (31) faces towards an air outlet on the side of the machine body, and a first blocking block (52) is arranged on the head of the first oil cylinder (31); the top plate (7) is provided with a second oil cylinder (32), the head part of the second oil cylinder (32) faces the air outlet on the machine body, and the head part of the second oil cylinder (32) is provided with a second blocking block (53); the water tank (10) is arranged at the lower part of the frame (6), the water tank (10) is provided with a lifting device, and the water tank (10) can be lifted to enable the machine body to be immersed into the water tank.
2. The pressure test machine for a screw compressor body of claim 1, wherein: the top plate (7) is also provided with an auxiliary oil cylinder (33) for balancing the stress of the machine body, and the head part of the auxiliary oil cylinder (33) faces the bottom plate (8).
3. The pressure test machine for a screw compressor body of claim 2, wherein: the side of the frame (6) is provided with an oil pump (1) and an oil tank (2), the upper part of the oil tank (2) is also provided with an electromagnetic directional valve (14), and the electromagnetic directional valve (14) is connected with the oil pump (1), the oil tank (2) and the oil cylinder (3) through oil pipes.
4. The pressure test machine for a screw compressor body of claim 1, wherein: the upper part of the frame (6) is provided with two electromagnetic valves (15) and a pressure reducing valve (16) is arranged on the side surface of the frame (6), a first electromagnetic valve (151) is arranged between the external air inlet pipe and the charging port (12), a second electromagnetic valve (152) is arranged between the pressure reducing valve (16) and the air cylinder (11), and the pressure reducing valve (16) is connected with the external air inlet pipe.
5. A screw compressor body press according to claim 3 or 4, wherein: the upper part of the stand (6) is also provided with a control panel (17), and the control panel (17) is provided with emergency stop, reset and start buttons.
6. The pressure test machine for a screw compressor body of claim 1, wherein: the lifting device is two cylinders (11), the two cylinders (11) are symmetrically arranged on the left side and the right side of the frame (6), the heads of the cylinders (11) are all upward, the upper portion of the water tank (10) is fixedly connected with the heads of the cylinders (11), and auxiliary polished rods are arranged on the front side and the rear side of the two cylinders (11).
7. The pressure test machine for a screw compressor body of claim 1, wherein: two pressure gauges (4) are arranged on the upper portion of the frame (6), the two pressure gauges (4) are connected with the inflation inlet (12), one pressure gauge (4) is a touch pressure gauge, and the touch pressure gauge transmits signals to the control panel.
8. The pressure test machine for a screw compressor body of claim 1, wherein: the bottom plate (8) is also provided with a positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320836459.XU CN219714657U (en) | 2023-04-13 | 2023-04-13 | Pressure testing machine of screw compressor body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320836459.XU CN219714657U (en) | 2023-04-13 | 2023-04-13 | Pressure testing machine of screw compressor body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219714657U true CN219714657U (en) | 2023-09-19 |
Family
ID=88004098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320836459.XU Active CN219714657U (en) | 2023-04-13 | 2023-04-13 | Pressure testing machine of screw compressor body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219714657U (en) |
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2023
- 2023-04-13 CN CN202320836459.XU patent/CN219714657U/en active Active
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