CN214149707U - Automatic airtight test device of pump cover - Google Patents
Automatic airtight test device of pump cover Download PDFInfo
- Publication number
- CN214149707U CN214149707U CN202023151010.5U CN202023151010U CN214149707U CN 214149707 U CN214149707 U CN 214149707U CN 202023151010 U CN202023151010 U CN 202023151010U CN 214149707 U CN214149707 U CN 214149707U
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- square tube
- hydraulic cylinder
- test
- air
- air inlet
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- 238000012360 testing method Methods 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 239000010727 cylinder oil Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 8
- 210000004907 gland Anatomy 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
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Abstract
The utility model belongs to mechanical manufacturing process equipment, in particular to automatic airtight test device of pump cover. The water tank is fixedly arranged on a middle base plate of the support, a test bed air inlet is formed in the test bed, a plurality of pressure test cavities are uniformly formed in the right side of the test bed air inlet in the test bed, the lower ends of guide columns are respectively fixed on the test bed, the guide columns are respectively in one-to-one correspondence with the connecting flanges, the upper end and the lower end of a square tube II are fixed on the lower end face of the square tube I on the left side and the right side and the upper end face of the middle base plate, a square tube III is fixedly arranged between a square tube IV and a square tube V corresponding to the rear position of a middle hydraulic cylinder body, a cylinder body is fixedly arranged on the lower end face of the square tube III, a cylinder inlet and outlet hole I is formed in the upper end of the cylinder body, a cylinder piston is fixedly connected with the upper end of the cylinder piston rod, the lower end of the cylinder piston rod is connected with the buoyancy tank through a connecting rib, and the buoyancy tank is arranged in the water tank. Simple structure, convenient operation can prevent the harm of cold water to the human body, improves production efficiency.
Description
Technical Field
The utility model belongs to mechanical manufacturing process equipment, in particular to automatic airtight test device of pump cover.
Background
After the pump cover used by the automobile steering pump is machined, an air tightness test needs to be carried out to check whether the pump cover has cracks or not and whether the roughness is qualified or not. In the conventional test device, a pump cover is placed at the upper end of an inner cavity of a sealing device with an air inlet pipe, the pump cover and the sealing device are sealed through a sealing gasket, a gland is covered, the pump cover is manually locked and then placed into water, the sealing device is inflated to air pressure, whether bubbles are generated or not is observed, and after about 30 seconds, the pump cover is taken out and replaced to continue the test. According to the test mode, the gland is locked manually and is taken out by hands in water, particularly, the water temperature is low in winter, so that the body of an operator is damaged to a certain extent, only one pump cover can be tested at each time, the test operation time is long, the test efficiency is low, the labor intensity is high, and the requirement of batch production is difficult to meet.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned technique not enough, provide a simple structure, intensity of labour is little, the automatic airtight test device of pump cover that production efficiency is high.
The utility model provides a technical scheme that technical problem adopted is: the automatic air tightness test device of the pump cover comprises a support, a middle base plate, a first square pipe, a second square pipe, a third square pipe, a fourth square pipe, a fifth square pipe, a baffle and a water tank, and is characterized in that the water tank is fixedly arranged on the middle base plate of the support, the upper ends of fixed columns are respectively and fixedly connected on the lower end surfaces of the front ends of the left and right square pipes at the top end of the support, the lower ends of the fixed columns are respectively and fixedly connected with the upper end surface of a test bed, the test bed is arranged in the water tank, a test bed air inlet is arranged on the test bed, a plurality of pressure test chambers are uniformly distributed on the right side of the test bed air inlet on the test bed, pressure test chamber air inlets and pressure test chamber air outlets are respectively arranged on the pressure test chambers, the pressure test bed air inlets are respectively connected in series with the pressure test chambers, an upper cross beam is fixedly arranged on the upper surfaces of the first square pipes at the top ends of the left and right sides of the support, and the upper cross beam is uniformly distributed and fixedly arranged on the lower end surface of a plurality of hydraulic cylinders, the upper end of a hydraulic cylinder body is provided with a first hydraulic cylinder oil inlet and outlet hole, the lower end of the hydraulic cylinder body is provided with a second hydraulic cylinder oil inlet and outlet hole, a hydraulic cylinder piston is arranged in the hydraulic cylinder body and fixedly connected with a hydraulic cylinder piston rod, the lower end of the hydraulic cylinder piston rod is fixedly connected with a connecting flange, each connecting flange is respectively provided with two pressing covers, the position of each pressing cover is respectively in one-to-one correspondence with a pressure test cavity on a test table below, a partition plate is fixedly arranged on a fixed column, the partition plate is respectively and fixedly connected with the upper ends of a plurality of guide posts, the lower ends of the guide posts are respectively fixed on the test table, the guide posts are respectively in one-to-one correspondence with the connecting flanges, inner holes of the connecting flanges are respectively movably sleeved on the guide posts, the upper ends and the lower ends of a square tube II are fixed on the lower end surfaces of a square tube I on the left side and the right side and the upper end surface of a middle cushion plate, and the left end and right end of a square tube II are fixed on the left side plate on the left side, The inner side of a square tube II on the right side, the left end and the right end of a square tube V are fixed on the inner side of a support on the left side and the right side, a square tube III is fixedly arranged between the square tube IV and the square tube V corresponding to the rear position of a middle hydraulic cylinder body, the upper end of a baffle plate is fixedly arranged on the lower end face of the square tube IV, an air cylinder body is fixedly arranged on the lower end face of the square tube III, an air cylinder inlet and outlet hole I is arranged at the upper end of the air cylinder body, an air cylinder inlet and outlet hole II is arranged at the lower end of the air cylinder body, an air cylinder piston is arranged in the air cylinder body and fixedly connected with the upper end of an air cylinder piston rod, the lower end of the air cylinder piston rod is connected with a buoyancy tank through a connecting rib, and the buoyancy tank is arranged in a water tank.
The utility model has the advantages that: the automatic airtight test device of pump cover simple structure, convenient operation can reduce operator's intensity of labour, not only saves time but also laborsaving, can prevent cold water to the harm of human body, improves production efficiency, satisfies batch production's demand.
Drawings
The following description is made in detail by way of example with reference to the accompanying drawings.
Fig. 1 is a structural view of an automatic pump cover airtightness testing apparatus.
Fig. 2 is a sectional view a-a of fig. 1.
In the figures, 1-stent; 1-1-intermediate backing plate; 2-a partition plate; 3-upper beam; 4-fixing the column; 5-a hydraulic cylinder body; 5-1-a first oil inlet and outlet hole of the hydraulic cylinder; 5-2-oil inlet and outlet holes II of the hydraulic cylinder; 5-3-hydraulic cylinder piston; 5-4-a hydraulic cylinder piston rod; 6-connecting a flange; 7-pressing the cover; 8-test bed; 8-1-test bed air inlet; 9-a water tank; 10-a baffle plate; 11-square tube I; 12-square tube II; 13-square tube III; 14-a cylinder block; 14-1-cylinder inlet and outlet air holes I; 14-2-cylinder inlet and outlet air holes II; 14-3-cylinder piston; 14-4-cylinder piston rod; 15-a buoyancy tank; 16-connecting ribs; 17-a guide post; 18-a pressure testing cavity; 18-1-pressure test cavity air inlet; 18-2-pressure test cavity air outlet; 19-square tube four; 20-square tube five.
Detailed Description
In the embodiment, referring to fig. 1 and 2, a water tank 9 is fixedly mounted on an intermediate backing plate 1-1-of a bracket 1 of the pump cover automatic airtightness testing device, the upper ends of fixed columns 4 are respectively and fixedly connected to the lower end surfaces of the front ends of left and right side square tubes 11 at the top end of the bracket 1, and the lower ends of the fixed columns 4 are respectively and fixedly connected to the upper end surface of a test bed 8. The test bed 8 is arranged in the water tank 9, a test bed air inlet 8-1 is arranged on the test bed 8, and six pressure testing cavities 18 are uniformly distributed on the right side of the test bed air inlet 8-1 on the test bed 8. The pressure testing cavity 18 is respectively provided with a pressure testing cavity air inlet hole 18-1 and a pressure testing cavity air outlet hole 18-2, the pressure testing cavity air inlet hole 18-1 is respectively communicated with the pressure testing cavity air outlet hole 18-2, and the test bed air inlet 8-1 is respectively connected with the pressure testing cavity air inlet hole 18-1 in series. An upper cross beam 3 is fixedly arranged on the upper surfaces of the square tubes 11 at the top ends of the left side and the right side of the support 1 together, three hydraulic cylinder bodies 5 are uniformly and fixedly arranged on the lower end surface of the upper cross beam 3, a hydraulic cylinder oil inlet and outlet hole I5-1 is arranged at the upper end of each hydraulic cylinder body 5, and a hydraulic cylinder oil inlet and outlet hole II 5-2 is arranged at the lower end of each hydraulic cylinder body 5. A hydraulic cylinder piston 5-3 is arranged in the hydraulic cylinder body 5 and sealed by a sealing ring, the hydraulic cylinder piston 5-3 is fixedly connected with a hydraulic cylinder piston rod 5-4, and the hydraulic cylinder piston rod 5-4 and a cylinder cover of the hydraulic cylinder body 5 are sealed by the sealing ring. The lower end of a piston rod 5-4 of the hydraulic cylinder is fixedly connected with a connecting flange 6, each connecting flange 6 is provided with two glands 7, and the position of each gland 7 corresponds to a pressure testing cavity 18 on a test bed 8 below one by one. The partition board 2 is fixedly arranged on the fixed column 4, the partition board 2 is respectively and fixedly connected with the upper ends of the three guide columns 17, the lower ends of the guide columns 17 are respectively fixed on the test bed 8, the guide columns 17 are respectively in one-to-one correspondence with the connecting flanges 6, and inner holes of the connecting flanges 6 are respectively and movably sleeved on the guide columns 17. The upper and lower ends of the square tube II 12 are respectively fixed on the lower end surface of the square tube I11 at the left and right sides and the upper end surface of the middle cushion plate 1-1, the left and right ends of the square tube IV 19 are respectively fixed on the inner side surfaces of the square tube II 12 at the left and right sides, and the left and right ends of the square tube V20 are respectively fixed on the inner side surfaces of the left and right side brackets 1. A square tube III 13 is fixedly arranged between the square tube IV 19 and the square tube V20 corresponding to the rear position of the middle hydraulic cylinder body 5, the upper end of the baffle plate 10 is fixedly arranged on the lower end surface of the square tube IV 19, and a cylinder body 14 is fixedly arranged on the lower end surface of the square tube III 13. The upper end of the cylinder body 14 is provided with a first cylinder air inlet and outlet hole 14-1, the lower end of the cylinder body 14 is provided with a second cylinder air inlet and outlet hole 14-2, a cylinder piston 14-3 is arranged in the cylinder body 14 and is sealed by a sealing ring, the cylinder piston 14-3 is fixedly connected with the upper end of a cylinder piston rod 14-4, and the space between the cylinder piston rod 14-4 and a pump cover of the cylinder body 14 is sealed by the sealing ring. The lower end of the cylinder piston rod 14-4 is connected with a floating box 15 through a connecting rib 16, and the floating box 15 is arranged in the water tank 9.
The working process of the automatic pump cover airtightness testing device is as follows: air is admitted through the air cylinder inlet and outlet hole II 14-2, the piston rod 14-4 of the air cylinder is driven to move upwards and the buoyancy tank 15 is driven to move upwards, and at the moment, the water level in the water tank 9 is lowered, so that the test bed 8 floats out of the water surface; placing six pump covers to be detected on a pressure testing cavity 18, feeding oil into a first oil inlet and outlet hole 5-1 of a hydraulic cylinder, driving a piston rod 5-4 of the hydraulic cylinder to move downwards, driving six pressing covers 7 to press downwards by three connecting flanges 6, and pressing the pump covers into the pressure testing cavity 18; air is fed through a test bed air inlet 8-1 on the test bed 8, and is connected with pressure test cavity air inlets 18-1 of six pressure test cavities 18 in series, and air pressure is pumped into the pump cover cavity through a pressure test cavity air outlet 18-2; at the moment, air is fed from the air inlet and outlet hole I14-1 of the air cylinder, the piston rod 14-4 of the air cylinder is driven to move downwards, the buoyancy tank 15 is driven to move downwards to be immersed in the water tank 9, the water level is promoted to rise to submerge the test bed 8, and whether bubbles are generated in the pump cover is observed, so that the test process can be finished.
Claims (4)
1. An automatic air tightness test device of a pump cover comprises a support (1), an intermediate backing plate (1-1), a first square tube (11), a second square tube (12), a third square tube (13), a fourth square tube (19), a fifth square tube (20), a baffle (10) and a water tank (9), and is characterized in that the water tank (9) is fixedly arranged on the intermediate backing plate (1-1) of the support (1), the lower end surfaces of the front ends of the first square tubes (11) at the left side and the right side of the top end of the support (1) are respectively and fixedly connected with the upper end surfaces of fixed columns (4), the lower ends of the fixed columns (4) are respectively and fixedly connected with the upper end surface of a test bed (8), the test bed (8) is arranged in the water tank (9), a test bed air inlet (8-1) is arranged on the upper surface of the first square tubes (11) at the left side and the right side of the support (1) are jointly and fixedly provided with an upper cross beam (3), the upper end surfaces of a plurality of hydraulic cylinder bodies (5) are uniformly and fixedly arranged on the lower end surface of an upper cross beam (3), hydraulic cylinder pistons (5-3) are arranged in the hydraulic cylinder bodies (5), the hydraulic cylinder pistons (5-3) are fixedly connected with hydraulic cylinder piston rods (5-4), the lower ends of the hydraulic cylinder piston rods (5-4) are fixedly connected with connecting flanges (6), each connecting flange (6) is respectively provided with two pressing covers (7), the position of each pressing cover (7) is respectively in one-to-one correspondence with a pressure testing cavity (18) on a test bed (8) below, partition plates (2) are fixedly arranged on fixed columns (4), the partition plates (2) are respectively and fixedly connected with the upper ends of a plurality of guide columns (17), the lower ends of the guide columns (17) are respectively fixed on the test bed (8), the guide columns (17) are respectively in one-to-connection flanges (6), inner holes of the connecting flanges (6) are respectively movably sleeved on the guide columns (17), the upper end and the lower end of a square tube II (12) are fixed on the lower end surface of a square tube I (11) at the left side and the right side and the upper end surface of a middle cushion plate (1-1), the left end and the right end of a square tube IV (19) are fixed on the inner side surfaces of the square tube II (12) at the left side and the right side, the left end and the right end of a square tube V (20) are fixed on the inner side surfaces of a support (1) at the left side and the right side, a square tube III (13) is fixedly arranged between the square tube IV (19) and the square tube V (20) corresponding to the rear position of a middle hydraulic cylinder body (5), the upper end of a baffle plate (10) is fixedly arranged on the lower end surface of the square tube IV (19), an air cylinder body (14) is fixedly arranged on the lower end surface of the square tube III (13), an air cylinder piston (14-3) is arranged in the air cylinder body (14), the air cylinder piston (14-3) is fixedly connected with the upper end of an air cylinder piston rod (14-4), and the lower end of the air cylinder piston rod (14-4) is connected with a floating box (15) through a connecting rib (16), the buoyancy tank (15) is arranged in the water tank (9).
2. The automatic air tightness test device for the pump cover according to claim 1, characterized in that a plurality of pressure test chambers (18) are uniformly distributed on the right side of a test table air inlet (8-1) on the test table (8), the pressure test chambers (18) are respectively provided with a pressure test chamber air inlet hole (18-1) and a pressure test chamber air outlet hole (18-2), the pressure test chamber air inlet hole (18-1) is communicated with the pressure test chamber air outlet hole (18-2), and the test table air inlet (8-1) is respectively connected with the pressure test chamber air inlet holes (18-1) in series.
3. The automatic air-tightness test device of the pump cover according to claim 1, characterized in that the upper end of the hydraulic cylinder body (5) is provided with a first hydraulic cylinder oil inlet and outlet hole (5-1), and the lower end of the hydraulic cylinder body is provided with a second hydraulic cylinder oil inlet and outlet hole (5-2).
4. The automatic air tightness test device of the pump cover according to claim 1, characterized in that a first cylinder air inlet and outlet hole (14-1) is formed at the upper end of the cylinder body (14), and a second cylinder air inlet and outlet hole (14-2) is formed at the lower end of the cylinder body (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023151010.5U CN214149707U (en) | 2020-12-24 | 2020-12-24 | Automatic airtight test device of pump cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023151010.5U CN214149707U (en) | 2020-12-24 | 2020-12-24 | Automatic airtight test device of pump cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214149707U true CN214149707U (en) | 2021-09-07 |
Family
ID=77529660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023151010.5U Expired - Fee Related CN214149707U (en) | 2020-12-24 | 2020-12-24 | Automatic airtight test device of pump cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214149707U (en) |
-
2020
- 2020-12-24 CN CN202023151010.5U patent/CN214149707U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |