CN202372321U - On-line detection equipment of oil cylinder assembly - Google Patents
On-line detection equipment of oil cylinder assembly Download PDFInfo
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- CN202372321U CN202372321U CN2011205446044U CN201120544604U CN202372321U CN 202372321 U CN202372321 U CN 202372321U CN 2011205446044 U CN2011205446044 U CN 2011205446044U CN 201120544604 U CN201120544604 U CN 201120544604U CN 202372321 U CN202372321 U CN 202372321U
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- cylinder assembly
- hydraulic cylinder
- release lever
- carriage release
- oil
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Abstract
The utility model discloses the on-line detection equipment of an oil cylinder assembly, which comprises a support frame; an oil cylinder assembly fixing frame and an oil cylinder assembly hydraulic control loop are arranged on the support frame; a force sensor which is contacted and jacked with the end of an oil cylinder piston rod is arranged on the support frame; and the conical surface sealing and quick connection devices of an oil cylinder assembly oil inlet and an oil cylinder assembly oil outlet are connected onto the support frame. The utility model presents the on-line detection equipment of the oil cylinder assembly, the force sensor is adopted to detect the ex-factory performance of the oil cylinder assembly, a detection object is direct, no transition link exists, the detection result is true and reliable, the detection precision is improved, the reliability requirement of a user on the product performance is met, and simultaneously the safety performance requirement on a turning and lifting mechanism of a driver cab is met.
Description
Technical field
The utility model belongs to the auto parts and components pick-up unit, is specifically related to a kind of performance detection apparatus of hydraulic cylinder assembly.
Background technology
Automobile is when the maintenance maintenance engine; Must driver's cab turnover be got up; Whole process realizes through the elevating ram assembly; So the functional defect hydraulic cylinder assembly comes into the market direct reputation and image to enterprise caused harmful effect, my all hydraulic cylinder assemblies of company's production must pass through Performance Detection before dispatching from the factory for this reason.
Oil cylinder production generally all uses the traditional analog testing table to carry out the Performance Detection of dispatching from the factory of hydraulic cylinder assembly; Mainly be that the simulation hydraulic cylinder assembly is under whole vehicle state; The bonnet and the piston rod attachment of hydraulic cylinder assembly are installed on the simulator stand through bearing pin; Manually connect oil circuit; The big chamber of hydraulic cylinder assembly fuel feeding suppressed make piston rod promote the top dead centre that is loaded on the testing table, continue to suppress pressurize to the detected pressures, each items such as withstand voltage, the internal leakage that realizes hydraulic cylinder assembly, outer seepage performance detection of dispatching from the factory falls in the pressure that the tensimeter that the motion state that rises and descend through piston rod in the range estimation oil supply process is connected with the big chamber of dwell time inner cylinder assembly is indicated; Because system and malobservation stack cause accuracy of detection poor.
The conventional analogue testing table needs the bonnet of hydraulic cylinder assembly and piston rod are installed on the testing table through bearing pin is manual, the docking operation of manual completion oil circuit, and the oil circuit connection reliability is poor, has also influenced accuracy of detection simultaneously, complex operation, detection efficiency is low.
Along with automobile industry to the increasing of hydraulic cylinder demand and the raising of quality requirements; The detection of conventional analogue testing table, display precision; There are problems in aspects such as detection efficiency, versatility, applicability, logistics, floor area, can't satisfy the needs of scale, robotization, seriation development.
Summary of the invention
The purpose of the utility model is to provide a kind of can the realization to be dynamically connected certainly by the Rapid Realization oil pipe line when oil cylinder detects, and the hydraulic cylinder assembly online detection instrument that is suitable for the detection of serial oil cylinder, to address the above problem.
The technical scheme of the utility model is: the hydraulic cylinder assembly online detection instrument, and it comprises support stand, support stand is provided with the hydraulic cylinder assembly fixed mount, and the hydraulic cylinder assembly hydraulic control circuit; Support stand is provided with the force transducer that is used for contacting with the oil cylinder piston boom end roof pressure, is connected with the conical surface seal fast interface device of hydraulic cylinder assembly oil inlet and outlet on the support stand.
Establish the support connecting block on the support stand, force transducer is fixed on and supports on the connecting block, supports connecting block and is connected with displacement adjustment plate, is interval with the adjustment hole that is threaded on the said displacement adjustment plate, supports connecting block and is connected with the adjustment hole that is threaded.The scalable of force transducer position makes this equipment can detect the oil cylinder of different length, realizes detecting versatility, the applicability of oil cylinder, seriation.
Conical surface seal fast interface device comprises contiguous block, is provided with oil pipe in the contiguous block, and the oil-out of oil pipe is connected with conical surface seal rapid-acting coupling, and the oil-in of oil pipe is located on the surface of contiguous block; Contiguous block is connected with carriage release lever, and carriage release lever contacts with Drive Structure or is connected.It has realized the support of rapid-acting coupling and the problem of operating automatically, and is simple.
Said Drive Structure comprises oil cylinder, the piston rod of oil cylinder depression bar one end that is articulated and connected, and depression bar and bracing frame are articulated and connected, and the depression bar other end contacts with the carriage release lever end.Adopt the hydraulic-driven structure, second simplified structure can have some parts that utilizes in the hydraulic control circuit first, like fuel tank etc., saves cost.
Contiguous block comprises first contiguous block and second contiguous block; Be connected first carriage release lever and second carriage release lever respectively on first contiguous block and second contiguous block; First carriage release lever and second carriage release lever pass orienting lug; The end of first carriage release lever and second carriage release lever is connected with briquetting, and briquetting contacts with the depression bar other end or is connected.Can realize the quick connection of oil cylinder oil-in to be detected, oil-out, compact conformation is convenient to connection.
Be equipped with back-moving spring on first carriage release lever and second carriage release lever between briquetting and the orienting lug.The employing spring resets, and can reduce the syndeton between briquetting and the depression bar, is convenient to change different briquettings, is suitable for the detection of different oil cylinders.
Support connecting block and be provided with mobile guide groove, mobile guide groove is stuck on the displacement adjustment plate.This structure makes displacement adjustment plate form guide rail slide block syndeton with supporting connecting block, is convenient to the mobile adjusting of force transducer position.
Depression bar is provided with pressure head, has the sphere surface of contact between briquetting and the pressure head.
Briquetting is provided with the spheroidal groove, and pressure head has the end face of sphere shape, the end face of the sphere shape of pressure head and the spheroidal groove fit on the briquetting.
The sphere surface of contact press down that contact structures are stressed between can avoid two surface of contact to press down the time evenly avoids stress to concentrate, can realize simultaneously the process that presses down between two surface of contact relative applying adjustment.
Briquetting is connected with second attachment cap with first attachment cap, and first attachment cap is connected with the first carriage release lever end, and second attachment cap is connected with the second carriage release lever end.Syndeton between employing attachment cap and the briquetting is convenient to the installation of parts, changes.
The utility model adopts conical surface seal fast interface device can realize automatically that oil cylinder oil inlet and outlet to be detected connects fast; Briquetting is exerted pressure to depression bar all the time in testing process; The good binding that has that guarantees two sealing cones on the one hand seals; Simultaneously, guarantee that two sealing cones can bear high oil pressure and detect.
The novel online detection instrument of hydraulic cylinder assembly utilizes the output carrier of force transducer as the system signal of hydraulic cylinder assembly oil pressure and internal and outernal leakage; The micro-leakage amount that exists in the tested hydraulic cylinder assembly directly reflects through digital indicator, and the numerical value of detection is true and reliable;
This online detection instrument has been realized online detection, has avoided the logistics between assembly assembling and the Performance Detection, reduces labour intensity, effectively raises detection efficiency.
This oil cylinder online detection instrument also possess simultaneously be installed convenient, stroke, withstand voltage pressure, universal performance, whole system safety, controlled such as pressure-resistant time is adjustable.Can be applicable to the Performance Detection of various hydraulic cylinder assembly production fields.
The utility model provides the novel online detection instrument of hydraulic cylinder assembly adopts force transducer to realize the Performance Detection of dispatching from the factory to hydraulic cylinder assembly; Detected object is direct; Do not have excessive link, testing result is true and reliable, and accuracy of detection is improved; Satisfied the reliability requirement of user, also satisfied the requirement of automobile cab turning lifting mechanism security performance simultaneously properties of product.
All can require accurately to be provided with because this oil cylinder online detection instrument possesses stroke, detected pressures, pressure-resistant time, detect so can be applicable to the combination property in various hydraulic cylinder assemblies field according to the kind that detects hydraulic cylinder assembly.
Description of drawings
Fig. 1 hydraulic cylinder assembly online detection instrument structural representation.
Synoptic diagram is looked on Fig. 2 hydraulic cylinder assembly online detection instrument structure left side.
Fig. 3 conical surface seal fast interface apparatus structure synoptic diagram I.
Fig. 4 conical surface seal fast interface apparatus structure synoptic diagram II.
Fig. 5 supports connecting block and moves guide groove card and displacement adjustment plate and be connected synoptic diagram.
Fig. 6 detects the hydraulic control circuit synoptic diagram.
Embodiment
As shown in Figure 1, support stand 100 is established bracing frame 102 according to being designed to work top 101 on the work top 101, and work top 101 is divided into supporting leg 103.Can be designed to be able to detect simultaneously the structure of a plurality of oil cylinder general names, support stand 100 can detect four oil cylinder general names simultaneously in the present embodiment, is divided into bracing frame 102 1 sides and establishes 2, and opposite side also is provided with two (shown in Figure 2).
The relevant control operation instrument 110 that detects usefulness connects on the bracing frame 102.
Be connected with displacement adjustment plate 160 on the work top 101, be interval with to connect on the displacement adjustment plate 160 and adjust hole 161.
Be connected with the conical surface seal fast interface device 200 of hydraulic cylinder assembly oil inlet and outlet on the support stand 100.
Like Fig. 3, shown in 4, conical surface seal fast interface device 200 comprises contiguous block, and contiguous block comprises first contiguous block 201 and second contiguous block 202 in the present embodiment, is respectively oil-in, the oil-out of corresponding seized oil cylinder; First contiguous block 201 is identical with second contiguous block, 202 structures; Explain with first contiguous block 201: be provided with oil pipe 203 in first contiguous block 201; The oil-out 204 of oil pipe 203 is connected with conical surface seal rapid-acting coupling 205; The oil-in 206 of oil pipe is located on the surface of contiguous block, and its realization is connected with external oil pipe.Conical surface seal rapid-acting coupling 205 is tapers, and the taper in the outer oil-collecting hole of it and seized oil cylinder is complementary.The conical surface is provided with packoff.
Conical surface seal fast interface device 200 also comprises first carriage release lever 207 and second carriage release lever 208 that is connected respectively with first contiguous block 201 and second contiguous block 202; First carriage release lever 207 and second carriage release lever 208 pass orienting lug 209; Orienting lug 209 is connected with support bar 210, and support bar 210 is fixed on the work top 101.
Be equipped with back-moving spring 214,215 between briquetting 213 and the orienting lug 209 on first carriage release lever and second carriage release lever.
Sphere surface of contact between pressure head 231 and the briquetting 213.
Concrete, briquetting 213 is provided with spheroidal groove 218, and pressure head 231 has the end face 232 of sphere shape, the end face of the sphere shape of pressure head and the spheroidal groove fit on the briquetting.
As shown in Figure 6, detect hydraulic control circuit and comprise fuel tank 300, and the automatic pump 301 and manual pump 302 that connect; The fuel-displaced pipeline of automatic pump 301 is connected with overflow safety valve 303; And be connected with reversal valve 304 on the flowline of automatic pump 301 that connects and manual pump 302; Two oil pipes of reversal valve 304 be connected with the outer oil-collecting hole of seized oil cylinder 310 through filtrator 305, promptly connect through conical surface seal rapid-acting coupling 205.Be connected with hydraulic control one-way valve 306, transfer valve 307 and stop valve 308 on the external oil pipe of the rodless cavity of seized oil cylinder.
The Performance Detection of the novel online detection instrument of hydraulic cylinder assembly is that oil cylinder is clamped to the test station, adopts the conical surface seal interface to lock fast; Realize the rapid abutting joint of oil circuit, start electrodynamic pump and suppress fuel feeding that piston rod moves ahead; When the piston rod of hydraulic cylinder assembly props up the pressurization of force transducer continued; Make the hydraulic cylinder assembly inner chamber reach test detected pressures P1, this moment, force transducer was experienced the power F1 that exports behind the hydraulic cylinder assembly regulation test pressure, and pressurize is after regulation; Force transducer is experienced the power F2 of hydraulic cylinder assembly to output again; Δ P=(F1-F2)/S falls in the pressure that this moment, digital switch calculated in the dwell time automatically, and S-imports setting (to non-differential cylinder is that piston cross-section is long-pending, is the piston rod sectional area to cylinder with differential effect) according to test hydraulic cylinder assembly kind; And directly numerical value is shown, realize that the dispatch from the factory combination property of performance of each items such as withstand voltage, the internal leakage of hydraulic cylinder assembly, outer seepage detects.
During detection, because the conical surface seal rapid-acting coupling 205 of conical surface seal interface arrangement is through contiguous block, carriage release lever, briquetting.The effect of lever depression bar pressure head and oil cylinder keeps sealing closely contacting with the outer oil-collecting hole of seized oil cylinder all the time, to realize pipe connection fast, the sealing the during detection that keep-ups pressure and high pressure resistant.
After detection is accomplished and is laid down the testing oil pressure fully, the piston rod withdrawal of oil cylinder 220, carriage release lever moves under the effect of spring force, makes conical surface seal rapid-acting coupling 205 separate with the outer oil-collecting hole of seized oil cylinder, and is simple fast, need not manually-operated.
Claims (10)
1. hydraulic cylinder assembly online detection instrument, it comprises support stand, support stand is provided with the hydraulic cylinder assembly fixed mount, and the hydraulic cylinder assembly hydraulic control circuit; It is characterized in that support stand is provided with the force transducer that is used for contacting with the oil cylinder piston boom end roof pressure, be connected with the conical surface seal fast interface device of hydraulic cylinder assembly oil inlet and outlet on the support stand.
2. hydraulic cylinder assembly online detection instrument according to claim 1; It is characterized in that establishing on the support stand support connecting block; Force transducer is fixed on and supports on the connecting block; Support connecting block and be connected, be interval with to connect on the said displacement adjustment plate and adjust the hole, support connecting block and be connected with the adjustment hole that is threaded with displacement adjustment plate.
3. hydraulic cylinder assembly online detection instrument according to claim 1; It is characterized in that conical surface seal fast interface device comprises contiguous block; Be provided with oil pipe in the contiguous block, the oil-out of oil pipe is connected with conical surface seal rapid-acting coupling, and the oil-in of oil pipe is located on the surface of contiguous block; Contiguous block is connected with carriage release lever, and carriage release lever contacts with Drive Structure or is connected.
4. like the said hydraulic cylinder assembly online detection instrument of claim 3, it is characterized in that said Drive Structure comprises oil cylinder, the piston rod of oil cylinder depression bar one end that is articulated and connected, depression bar and support bar are articulated and connected, and the depression bar other end contacts with the carriage release lever end.
5. like claim 3 or 4 said hydraulic cylinder assembly online detection instruments; It is characterized in that contiguous block comprises first contiguous block and second contiguous block; Be connected first carriage release lever and second carriage release lever respectively on first contiguous block and second contiguous block; First carriage release lever and second carriage release lever pass orienting lug, and the end of first carriage release lever and second carriage release lever is connected with briquetting, and briquetting contacts with the depression bar other end or is connected.
6. like the said hydraulic cylinder assembly online detection instrument of claim 5, it is characterized in that being equipped with back-moving spring on first carriage release lever and second carriage release lever between briquetting and the orienting lug.
7. like the said hydraulic cylinder assembly online detection instrument of claim 2, it is characterized in that supporting connecting block and be provided with mobile guide groove, mobile guide groove is stuck on the displacement adjustment plate.
8. like the said hydraulic cylinder assembly online detection instrument of claim 5, it is characterized in that depression bar is provided with pressure head, have the sphere surface of contact between briquetting and the pressure head.
9. like the said hydraulic cylinder assembly online detection instrument of claim 8, it is characterized in that briquetting is provided with the spheroidal groove, pressure head has the end face of sphere shape, the end face of the sphere shape of pressure head and the spheroidal groove fit on the briquetting.
10. like claim 5,6,8 or 9 said hydraulic cylinder assembly online detection instruments, it is characterized in that briquetting is connected with second attachment cap with first attachment cap, first attachment cap is connected with the first carriage release lever end, and second attachment cap is connected with the second carriage release lever end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205446044U CN202372321U (en) | 2011-12-22 | 2011-12-22 | On-line detection equipment of oil cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205446044U CN202372321U (en) | 2011-12-22 | 2011-12-22 | On-line detection equipment of oil cylinder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372321U true CN202372321U (en) | 2012-08-08 |
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ID=46596018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205446044U Expired - Lifetime CN202372321U (en) | 2011-12-22 | 2011-12-22 | On-line detection equipment of oil cylinder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202372321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519687A (en) * | 2011-12-22 | 2012-06-27 | 东风汽车公司 | Oil cylinder assembly on-line detection device |
| CN109443666A (en) * | 2018-11-30 | 2019-03-08 | 长春汽富维东阳汽车塑料零部件有限公司 | Oil cylinder rapid detection system and detection method |
-
2011
- 2011-12-22 CN CN2011205446044U patent/CN202372321U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519687A (en) * | 2011-12-22 | 2012-06-27 | 东风汽车公司 | Oil cylinder assembly on-line detection device |
| CN109443666A (en) * | 2018-11-30 | 2019-03-08 | 长春汽富维东阳汽车塑料零部件有限公司 | Oil cylinder rapid detection system and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120808 Effective date of abandoning: 20141210 |
|
| RGAV | Abandon patent right to avoid regrant |