CN2779375Y - Test bench for detection - Google Patents
Test bench for detection Download PDFInfo
- Publication number
- CN2779375Y CN2779375Y CNU200520090572XU CN200520090572U CN2779375Y CN 2779375 Y CN2779375 Y CN 2779375Y CN U200520090572X U CNU200520090572X U CN U200520090572XU CN 200520090572 U CN200520090572 U CN 200520090572U CN 2779375 Y CN2779375 Y CN 2779375Y
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- CN
- China
- Prior art keywords
- utility
- model
- valve
- protective device
- overload protective
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- 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.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 238000012423 maintenance Methods 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 239000002828 fuel tank Substances 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000011056 performance test Methods 0.000 claims description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 241000282320 Panthera leo Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Abstract
The utility model relates to a detection test bench for testing the performance of the equipment on a pressure machine after maintenance. The utility model comprises an oil tank, an air storage reservoir, a valve and a pressure gauge. The utility model has the essential technical scheme that the air storage reservoir (E) is connected to the output end of a plate pressure regulating valve (F), and the air storage reservoir (E) is communicated with a hydropneumatic pump (A) which is connected with the oil tank (G). The hydropneumatic pump (A) is also communicated with an overload protective device (C) and a reversal valve (B) through a stop valve (a1), and the reversal valve (B) is respectively communicated with a clamping device and the oil tank. Besides, the overload protective device (C) is also communicated with the oil tank (G). The utility model can repair and test various pumps, overpower protection assemblies, plate pressure regulating valves, upper die clamps, etc., and the utility model has conspicuous effect and reaches technical requirements, after the utility model is applied to equipment. Meantime, the utility model saves a great deal of funds. The utility model has the characteristics of simple and rational structure, little maintenance time, high operation rate, simple operation, low detection expense cost, etc.
Description
Technical field
The utility model belongs to a kind of press device repairing test detection technique field, and is specifically a kind of to carrying out the detection testing table of performance test after the maintenance of equipment on the pressing machine.
Background technology
As everyone knows, be to be unable to do without large pressing machine equipment for some big machinery processing enterprises.As just existing 29 pressing machinees that German REFURT company produces in the eighties of: the press workshop of our sea lion light bus factory, running at full capacity state always since dropping into operation, reason owing to ageing equipment, operation through the more than ten years, because of the various old spare part that wearing and tearing disassemble many, all be that import is original-pack, prices are rather stiff.Because the continuous increase of company's turnout; the maintenance downtime of equipment is fewer and feweri; work has brought very big influence to m of e for this; and the target that pursue in the workshop is: zero failure, zero-fault, zero accident; the spending that also will guarantee the maintenance of equipment expense simultaneously is controlled in certain degree, so our maintenance personal puts into very big energy in the middle of the work that damaged high value spare part maintenance utilizes again.
By finding after the statistics that a situation arises carries out of the fault to the workshop pressing machine that main fault content concentrates on the disabler of main components and parts, concrete statistics is as follows:
(1). plate type pressure regulating valve damages, and the ratio that causes equipment failure is about 10%.
(2). air driven pump damages, and the ratio that causes equipment failure is about 20%.
(3). the overload protection assembly damages, and the ratio that causes equipment failure is about 20%.
(4). binding clasp damages, and the ratio that causes equipment failure is about 10%.
(5). it is about 40% that other reasons causes the ratio of equipment failure.
Statistics shows; the equipment failure that the damage of major function components and parts causes accounts for 60% of total failare; solving such problem is exactly that the functional unit that damages is changed; but we know that prices such as above-mentioned plate type pressure regulating valve, air driven pump, overload protection assembly, binding clasp all are quite expensive, and purchase cost is very high.Through conscientious research we find some spare part through disassembling with careful maintenance after can repairing and reusing, just the duty of maintenance back spare part is confirmed to be a difficult problem, major part all needs test repeatedly just can finish, the way at initial stage is on the equipment of being installed to, can not meet the demands after the test and disassemble again, test again after repairing, repeatedly more than once, up to final success of the test.It is a lot of to do drawback like this, and one comes dismounting trouble effort, and two produce nervous equipment does not have enough spare times to test accordingly for our maintenance personal.
The main common fault point of hydraulic pneumatic element wherein: seal aging, damage, there is impurity in the oil, there was a mechanical failure etc. for element.Phenomenon: pressure, tonifying Qi are frequently most likely, equipment can't operate as normal.
Present solution: pull down the hydraulic pneumatic element and decompose, change the seal element that damages, machinery overhaul etc., the parts that clean after decomposing re-assembly.
Summary of the invention
The purpose of this utility model provides a kind of multi-functional detection testing table with hydraulic pressure, pneumatic means, detects hydraulic pressure, the pneumatic functional unit of testing table after to above-mentioned maintenance with this and carries out experiment work.
The purpose of this utility model is achieved in that it includes fuel tank, gas-holder, valve, tensimeter, it is characterized in that: the output terminal at plate type pressure regulating valve (F) is connected with a gas-holder (E), and this gas-holder (E) is connected with a pneumatically powered hydraulic pump (A), and this pneumatically powered hydraulic pump (A) links to each other with fuel tank (G), this pneumatically powered hydraulic pump (A) also is connected with overload protective device (C) and reversal valve (B) respectively by stop valve (a1), and reversal valve (B) also is communicated with binding clasp and fuel tank respectively; Overload protective device (C) also is connected with fuel tank (G) in addition.
For different hydraulic pneumatic elements are detected respectively, then on the pipeline between stop valve (a1) and the overload protective device (C), also be provided with a stop valve (a2).
In addition, on gas-holder (E), be respectively equipped with rain glass (c1) and pressure safety valve (PSV) (d); On pneumatically powered hydraulic pump (A), be provided with a hydralic pressure gauge (b2); On overload protective device (C), be provided with a hydralic pressure gauge (b1).
The utility model since adopt one independently hydraulic pressure, the pneumatic functional unit of pick-up unit after to maintenance detect respectively, and need not on former press device, to carry out production testing, therefore improved plant factor, improved labour productivity, reduce maintenance cost effectively, improved maintenance personal's technical merit and manipulative ability.The utility model can be repaired and test various pumps, overload protection assembly, plate type pressure regulating valve, patrix binding clasp etc.; put into operation back discovery on the equipment; effect is quite obvious; reached every technical requirement; also saved greatly than fund simultaneously to enterprise; repair a pump and can save 40,000 yuan, an overload assembly can be saved 80,000 yuan.Especially cancel the outer committee maintenance items of overload protection assembly this year, only just can save 100,000 yuan of maintenance costs in this year.The utility model also has simple and reasonable, reduces servicing time, improves operation rate, and easy and simple to handle, the testing cost cost is low, and range of application is wide, characteristics such as remarkable in economical benefits.
Description of drawings
Fig. 1 is a structural representation sketch of the present utility model
To be described in further detail the utility model by example below; but following example only is the utility model example wherein; the rights protection scope of not representing the utility model and being limited, rights protection scope of the present utility model is as the criterion with claims.
Embodiment
The test specification of example 1 hydraulic pneumatic pump:
By shown in Figure 1, output terminal at plate type pressure regulating valve F is connected with a gas-holder E, this gas-holder E is connected with a pneumatically powered hydraulic pump A, this pneumatically powered hydraulic pump A links to each other with fuel tank G, this pneumatically powered hydraulic pump A also is connected with overload protective device C and reversal valve B respectively by stop valve a1, and reversal valve B also is communicated with binding clasp and fuel tank respectively; Overload protective device C also is connected with fuel tank G in addition.In addition, on the pipeline between stop valve a1 and the overload protective device C, also be provided with a stop valve a2; On gas-holder E, be respectively equipped with rain glass c1 and pressure safety valve (PSV) d; On pneumatically powered hydraulic pump A, be provided with a hydralic pressure gauge b2; On overload protective device C, be provided with a hydralic pressure gauge b1.
Test process is: close stop valve a1, connect total wind regime pipeline 21 by the import of plate type pressure regulating valve F, carry out the pressure adjustment through plate type pressure regulating valve F, enter gas-holder E and carry out voltage stabilizing, when rain glass c1 reaches 0.5MPa, gas enters pneumatically powered hydraulic pump A by tracheae 23 and starts working, 46# antiwear hydraulic oil among the fuel tank G is passed through oil pipe 8 and fuel sucking pipe 1,2 inspiration pneumatically powered hydraulic pump A pumps, hydralic pressure gauge b2 will reach (15-17) Mpa after 5 seconds, observing 5-10 minute hydralic pressure gauge b2 changes as no pressure release, proof A pump is can be contained on the equipment to use, and whole test process needs 20 minutes.
Example 2 overload protection assemblies detect:
By shown in Figure 1; reversal valve B is got to by retaining; stop valve a1; a2 opens; enter plate type pressure regulating valve F by total source gas line 21; enter gas-holder E then; when rain glass c1 reaches 0.5MPa; enter hydropneumatic pump A by tracheae 23 and start working, the 46# antiwear hydraulic oil passes through oil pipe 8 and fuel sucking pipe 1 in the fuel tank G simultaneously; 2 enter hydropneumatic pump A, again by oil pipe 3; 9; 4 enter among the overload protective device C of detection; when hydralic pressure gauge b1 numerical value reaches (15-17) Mpa; close stop valve a2, observing b1 table numerical value, after 5 minutes as no pressure release phenomenon; proof overload protective device C can be reinstalled on the equipment and use, and whole test process needs 30 minutes.In addition, the oil pipe among Fig. 17 is a scavenge pipe
The test specification of example 3 worktable, patrix binding clasp:
By shown in Figure 1, open a1, close the a2 stop valve, enter pressure regulator valve F by total source gas line 21 and enter gas-holder E again, when reaching 0.5Mpa, the rain glass c on the gas-holder E enters hydropneumatic pump A by tracheae 23, carry out oil suction by oil pipe 8 and fuel sucking pipe 1,2 simultaneously, enter the reversal valve B that is opened by oil pipe 3,10 again, entered in the binding clasp D by oil pipe 5, at this moment binding clasp is loosened.Adjust reversal valve B, the beginning oil return is got back to fuel tank G and is realized loosening to oil pipe 6 oil by oil pipe 5, and the state of the gentle hydraulic pump A of time that loosens, clamps by observation judges whether binding clasp D can use, whole test process needs about 15 minutes.
Claims (5)
1, a kind of to carrying out the detection testing table of performance test after the maintenance of equipment on the pressing machine, it includes fuel tank, gas-holder, valve, tensimeter, it is characterized in that: the output terminal at plate type pressure regulating valve (F) is connected with a gas-holder (E), this gas-holder (E) is connected with a pneumatically powered hydraulic pump (A), this pneumatically powered hydraulic pump (A) links to each other with fuel tank (G), this pneumatically powered hydraulic pump (A) also is connected with overload protective device (C) and reversal valve (B) respectively by stop valve (a1), and reversal valve (B) also is communicated with binding clasp and fuel tank respectively; Overload protective device (C) also is connected with fuel tank (G) in addition.
2, detection testing table according to claim 1 is characterized in that: also be provided with a stop valve (a2) on the pipeline between stop valve (a1) and the overload protective device (C).
3, detection testing table according to claim 1 is characterized in that: be respectively equipped with rain glass (c1) and pressure safety valve (PSV) (d) on gas-holder (E).
4, detection testing table according to claim 1 is characterized in that: be provided with a hydralic pressure gauge (b2) on pneumatically powered hydraulic pump (A).
5, detection testing table according to claim 1 is characterized in that: be provided with a hydralic pressure gauge (b1) on overload protective device (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200520090572XU CN2779375Y (en) | 2005-04-27 | 2005-04-27 | Test bench for detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200520090572XU CN2779375Y (en) | 2005-04-27 | 2005-04-27 | Test bench for detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779375Y true CN2779375Y (en) | 2006-05-10 |
Family
ID=36753464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200520090572XU Expired - Lifetime CN2779375Y (en) | 2005-04-27 | 2005-04-27 | Test bench for detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779375Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489970A (en) * | 2018-10-24 | 2019-03-19 | 中国二十冶集团有限公司 | Safety valve suppresses test device |
-
2005
- 2005-04-27 CN CNU200520090572XU patent/CN2779375Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489970A (en) * | 2018-10-24 | 2019-03-19 | 中国二十冶集团有限公司 | Safety valve suppresses test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150427 Granted publication date: 20060510 |