CN103075388B - Hydraulic variable-stroke finely-tunable positioning locking type hydraulic cylinder testing rack - Google Patents
Hydraulic variable-stroke finely-tunable positioning locking type hydraulic cylinder testing rack Download PDFInfo
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- CN103075388B CN103075388B CN201310012599.6A CN201310012599A CN103075388B CN 103075388 B CN103075388 B CN 103075388B CN 201310012599 A CN201310012599 A CN 201310012599A CN 103075388 B CN103075388 B CN 103075388B
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Abstract
The invention discloses a hydraulic variable-stroke finely-tunable positioning locking type hydraulic cylinder testing rack, comprising a rack main body, wherein the rack main body comprises a front plate, a middle plate, a rear plate and optical axes, wherein the front plate and the middle plate can be provided with hydraulic cylinders with different specifications; the centers of optical holes of the front plate, the middle plate and the rear plate are positioned on the same line, so that the installing alignment of the loaded hydraulic cylinder and the tested hydraulic cylinder can be realized; and under the control of a hydraulic control system on the testing rack, the middle plate realizes sliding and accurate positioning and locking by two positioning hydraulic cylinders, so that the distance between the front plate and the middle plate is controlled, and the condition that piston rods of the tested hydraulic cylinder and the loaded hydraulic cylinder are connected by a transition joint to carry out hydraulic-cylinder testing is ensured. The hydraulic variable-stroke finely-tunable positioning locking type hydraulic cylinder testing rack disclosed by the invention has the advantages that the adjustment is convenient, the functions of remote adjustment and local adjustment are achieved, the hydraulic cylinders with different specifications can be installed, the application range is wide, the installation and the operation are convenient, the cost can be saved, the installation and testing efficiency is improved, the structure is compact, the strength is high and the use is convenient so as to be beneficial to popularization and promotion.
Description
Technical field
The invention belongs to technical field of hydraulic pressure, particularly a kind of hydraulic pressure becomes the cylinder bench frame of stroke, fine-tuning, any location, locking.
Background technique
Oil hydraulic cylinder is as executive component important in hydraulic system, and its quality directly has influence on the service behaviour of hydraulic system.Along with the development of hydraulics and country are to the strict demand of quality of product, the detection of oil hydraulic cylinder has become one of important means ensureing hydraulic system performance.By detecting the performance index such as stroke, leakage, load efficiency of evaluating liquid cylinder pressure, avoiding defective in quality oil hydraulic cylinder to come into the market, bringing loss and potential safety hazard to client.
Cylinder bench frame is the important component part of cylinder bench, is used for installing fixing tested hydraulic cylinder and loading hydraulic cylinder.At present, cylinder bench frame mainly adopts following several structure:
(1) adopt shaped steel to become box-structure with Plate Welding, the installation for different size oil hydraulic cylinder realizes by welding different transition plates and bearing annex on this structure.This kind of structural cost is low, but affects by factors such as welding deformations, is difficult to ensure that the superincumbent tested hydraulic cylinder of installation and loading hydraulic cylinder are concentric, and weldment is too many, and structure is loaded down with trivial details, heavy, is difficult to the installation, the test that realize different size oil hydraulic cylinder.
(2) plate base platform is adopted, at the accessory structure such as erection support, guiding trolley above, oil hydraulic cylinder is arranged on bearing, and base is provided with the bearing mounting hole of diverse location, by regulating the position of bearing and base, adjust the mounting distance of tested hydraulic cylinder and loading hydraulic cylinder.Therefore the oil hydraulic cylinder for different size needs to process different bearings, and on base, process a lot of bearing mounting hole, and the hole of processing has deviation unavoidably, so bad guarantee is arranged on the concentricity of the oil hydraulic cylinder on bearing; This structure is suitable for the installation of the oil hydraulic cylinder of Earrings type, for other structures oil hydraulic cylinder certain narrow limitation is installed.
(3) dovetail grooved base platform is adopted, the accessory structure such as erection support, guiding trolley above, principle catches up with the structural similarity stating (2), difference is not need on base, process bearing mounting hole, can ensure the concentricity of oil hydraulic cylinder, but this structure also needs to process different bearings, needs manually to tight a bolt during fixed bearing simultaneously, it is little that pattern bearing capacity fixed by this bearing, is not suitable for high pressure, the installation of oil hydraulic cylinder of large-diameter, test.
In a word, current most cylinder bench frame carries out designing for the oil hydraulic cylinder of a certain specification, and accommodation is limited; Although what have is cylinder design for plurality of specifications, but installation, inconvenient operation, and bearing capacity is little, production test efficiency is lower, and the different test-bed of the oil hydraulic cylinder of different size tests this mode, Utilization ratio is low, waste test resource.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is to provide a kind of hydraulic pressure and becomes stroke fine-tuning positioning lock compact form cylinder bench frame, the versatility of cylinder bench frame can be improved, installation can be carried out to the oil hydraulic cylinder of different cylinder diameter, different length series to fix, and adopt hydraulic driving to realize becoming stroke, can locating and adopt hydraulic lock by manual fine-tuning.
(2) technological scheme
In order to achieve the above object, the invention provides a kind of hydraulic pressure and become stroke fine-tuning positioning lock compact form cylinder bench frame, described test-bed comprises underframe, framework, positioning hydraulic cylinders and hydraulic control system; Described framework and positioning hydraulic cylinders are placed on described underframe; Described framework comprises header board, intermediate plate, guide support plate, rear plate and optical axis, and described front and rear panels are fixed on described optical axis two ends; Described intermediate plate, between described front and rear panels, slides along described optical axis under the driving of described positioning hydraulic cylinders; Loading hydraulic cylinder is arranged on described header board, and tested hydraulic cylinder is arranged on described intermediate plate; The piston rod of described guide support plate to loading hydraulic cylinder and tested hydraulic cylinder play the guiding role; Described positioning hydraulic cylinders is installed in the rear on plate, and the piston rod of described positioning hydraulic cylinders is fixed on described intermediate plate; Described hydraulic control system is connected with described positioning hydraulic cylinders, for controlling the motion of the piston rod of described positioning hydraulic cylinders.
Wherein, described header board is provided with header board transition plate, for installing the loading hydraulic cylinder of different cylinder diameter; Described intermediate plate is provided with intermediate plate transition plate, for installing the tested hydraulic cylinder of different cylinder diameter.
Wherein, described hydraulic control system comprises valve block, solenoid directional control valve, hand-operated direction valve, hydraulic lock and hydraulic pipe line; Described solenoid directional control valve is arranged on described valve block, for being carried out the telecontrol of described positioning hydraulic cylinders by described hydraulic pipe line; Described hand-operated direction valve is arranged on described valve block, for being carried out the fine setting nearby of described positioning hydraulic cylinders by described hydraulic pipe line; Described hydraulic lock is arranged on described valve block, for positioning hydraulic cylinders described in positioning and locking.
Wherein, the two sides of described intermediate plate is all plane and has interior threaded hole, and the tested hydraulic cylinder of different cylinder diameter is all installed on the two sides of described intermediate plate by intermediate plate transition plate.
Wherein, described positioning hydraulic cylinders is installed in the rear on plate.
Wherein, described hydraulic control system also comprises flow divider-combiner, is arranged on described valve block, for realizing being synchronized with the movement of 2 positioning hydraulic cylinders by described hydraulic pipe line.
Wherein, guide support plate being installed between described header board and intermediate plate, for supporting the piston rod of described loading hydraulic cylinder and tested hydraulic cylinder, and described piston rod being led.
Wherein, the unthreaded hole center of described header board transition plate, header board, intermediate plate, intermediate plate transition plate, rear plate, guide support plate is on same straight line, for realizing the installation centering of described loading hydraulic cylinder and tested hydraulic cylinder.
Wherein, between described intermediate plate and underframe, line slide rail being installed, for supporting the weight of described intermediate plate, and ensureing the sliding of described intermediate plate.
Wherein, described line slide rail is two, is symmetrically arranged between described intermediate plate and underframe.
Wherein, described front and rear panels are fixed on described optical axis two ends by locking nut.
Wherein, described optical axis is 4.
(3) beneficial effect
1, cylinder bench frame of the present invention can solve that traditional experiment engine bench test is single or testability is diversified but install, the problem of inconvenient operation.
2, cylinder bench shelf structure of the present invention is compact, attractive in appearance, intensity is large, reliability is high, facilitates the installation of the oil hydraulic cylinder of different cylinder diameter, different length, different installation, fixes.
3, cylinder bench frame of the present invention can ensure the coaxality that oil hydraulic cylinder is installed.
4, cylinder bench frame of the present invention uses solenoid directional control valve and hand-operated direction valve, facilitates automatic or manual to locate, and is convenient to telecontrol and precise fine-adjustment nearby.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of a kind of hydraulic pressure change stroke fine-tuning positioning lock compact form cylinder bench frame of the embodiment of the present invention.
Fig. 2 is the plan view of a kind of hydraulic pressure change stroke fine-tuning positioning lock compact form cylinder bench frame of the embodiment of the present invention.
Fig. 3 is the plan view of a kind of hydraulic pressure change stroke fine-tuning positioning lock compact form cylinder bench frame of the embodiment of the present invention.
Fig. 4 a is the plan view of a kind of header board of the embodiment of the present invention.
Fig. 4 b is the sectional drawing of A-A in Fig. 4 a.
Fig. 4 c is the rear view of the header board of the embodiment of the present invention.
Fig. 4 d is the axonometric drawing of the header board of the embodiment of the present invention.
Fig. 5 a is the structural drawing of a kind of header board transition plate of the embodiment of the present invention.
Fig. 5 b is the structural drawing of the another kind of header board transition plate of the embodiment of the present invention.
Fig. 6 a is the plan view of a kind of intermediate plate of the embodiment of the present invention.
Fig. 6 b is the sectional drawing of B-B in Fig. 6 a.
Fig. 6 c is the rear view of the intermediate plate of the embodiment of the present invention.
Fig. 6 d is the axonometric drawing of the intermediate plate of the embodiment of the present invention.
Fig. 7 a is the structural drawing of a kind of intermediate plate transition plate of the embodiment of the present invention.
Fig. 7 b is the structural drawing of a kind of intermediate plate transition plate of the embodiment of the present invention.
Fig. 7 c is the structural drawing of a kind of intermediate plate transition plate of the embodiment of the present invention.
Fig. 7 d is the structural drawing of a kind of intermediate plate transition plate of the embodiment of the present invention.
Fig. 8 a is the plan view of a kind of rear plate of the embodiment of the present invention.
Fig. 8 b is the sectional drawing of C-C in Fig. 8 a.
Fig. 8 c is the rear view of the rear plate of the embodiment of the present invention.
Fig. 8 d is the axonometric drawing of the rear plate of the embodiment of the present invention.
Fig. 9 is the structural drawing of a kind of hydraulic control system of the embodiment of the present invention.
Figure 10 is the packaged structural drawing of joining of the valve of the embodiment of the present invention.
Figure 11 is the structural drawing of the valve block of the embodiment of the present invention.
Figure 12 is the structural drawing of a kind of hydraulic pressure change stroke fine-tuning positioning lock compact form cylinder bench frame of the embodiment of the present invention.
Figure 13 is the structural drawing of the hydraulic system of a kind of hydraulic pressure change stroke fine-tuning positioning lock compact form cylinder bench frame of the embodiment of the present invention.
In figure: 1-header board transition plate; 2-header board; 3-optical axis; 4-guide support plate; 5-underframe; 6-line slide rail; 7-intermediate plate; 8-intermediate plate transition plate; 9-positioning hydraulic cylinders; 10-hydraulic pipe line; Plate after 11-; 12-flow divider-combiner; 13-integrated valve block; 14-hydraulic lock; 15-solenoid directional control valve; 16-hand-operated direction valve; 17-locking nut; 18-tested hydraulic cylinder; 19-tested hydraulic cylinder jointing; 20-force snesor; 21-loading hydraulic cylinder jointing; 22-loading hydraulic cylinder; 23-hydraulic station; P1-stand hydraulic system fuel feeding; The oil return of T-stand hydraulic system; A1-positioning hydraulic cylinders rodless cavity hydraulic fluid port 1; A2-positioning hydraulic cylinders rodless cavity hydraulic fluid port 2; B-positioning hydraulic cylinders rod chamber hydraulic fluid port.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Hydraulic pressure of the present invention becomes stroke fine-tuning positioning lock compact form cylinder bench frame by the framework of 4 optical axises by header board, intermediate plate, rear plate composition stand, and front and rear panels are fixed on optical axis two ends by locking nut, and intermediate plate can be free to slide on optical axis; 2 positioning hydraulic cylinders installed by rear plate, the piston rod of positioning hydraulic cylinders is fixed on intermediate plate, its hydraulic control system is arranged on the stand below cylinder, by reversing valve operated, intermediate plate can slide and be positioned at certain position under the driving of positioning hydraulic cylinders on optical axis, thus the distance controlled between header board and intermediate plate, the tested hydraulic cylinder of sample diversified in specifications can be arranged on intermediate plate, be connected with the loading hydraulic cylinder be arranged on header board, realized the loading test of tested hydraulic cylinder by loading hydraulic cylinder; Additional between header board and intermediate plate guide support plate is installed, be used for supporting loading oil hydraulic cylinder and tested hydraulic cylinder simultaneously piston rod and play the guiding role, thus avoid piston rod gravity own and hydraulic coupling flex under action distortion, break down; Said frame is placed on underframe, is lifted away from ground, is convenient to slip and the operation of intermediate plate and guide support plate; Between intermediate plate and stand, line slide rail is installed, for supporting the weight of intermediate plate and ensureing the sliding of intermediate plate.
The center hole that hydraulic pressure of the present invention becomes on the header board of stroke fine-tuning positioning lock compact form cylinder bench frame is enough large, header board is installed header board transition plate, the header board transition plate of sizes can be processed, thus can on header board transition plate the loading hydraulic cylinder of supporting various specifications; Center hole on intermediate plate is also enough large, and two sides is all plane and has interior threaded hole, and the intermediate plate transition plate can processing sizes is arranged on intermediate plate, thus can in the tested hydraulic cylinder of the two sides supporting various specifications of intermediate plate.The center hole of described header board, header board transition plate, intermediate plate, intermediate plate transition plate, guide support plate, rear plate on same straight line, thus conveniently realizes the installation centering of tested hydraulic cylinder, loading hydraulic cylinder.
The hydraulic control system that hydraulic pressure of the present invention becomes the positioning hydraulic cylinders of stroke fine-tuning positioning lock compact form cylinder bench frame comprises valve block, flow divider-combiner, hydraulic lock, solenoid directional control valve, hand-operated direction valve, solenoid directional control valve realizes the telecontrol of positioning hydraulic cylinders, hand-operated direction valve realizes the fine setting nearby of positioning hydraulic cylinders, flow divider-combiner can realize being synchronized with the movement of 2 positioning hydraulic cylinders, hydraulic lock is used for the positioning and locking of positioning hydraulic cylinders, and above-mentioned valve integrates by valve block.
Embodiment
A kind of hydraulic pressure of the embodiment of the present invention becomes stroke fine-tuning positioning lock compact form cylinder bench frame as shown in Figure 1, Figure 2, Figure 3 shows, this cylinder bench frame adopts the tower structure of cast sheet and optical axis composition, by installing superincumbent 2 positioning hydraulic cylinders and hydraulic control system, to realize tested hydraulic cylinder mounting plate adjustable with the distance of loading hydraulic cylinder mounting plate, thus realize the test diversity of this stand.
In the present embodiment, header board (2), rear plate (11) are fixed on the two ends of optical axis (3) by locking nut (17), intermediate plate (7), guide support plate (4) are arranged between header board (2) and rear plate (11), and can be free to slide on optical axis (3), upper installation two positioning hydraulic cylinders (9) of rear plate (11), its hydraulic control system is arranged between 2 positioning hydraulic cylinders (9).Above-mentioned entirety is placed on underframe (5), and line slide rail (6) both can support intermediate plate (7), can ensure its sliding again.
In the present embodiment, the structure of header board is as shown in Fig. 4 a ~ Fig. 4 d, and wherein Fig. 4 a is the plan view of header board, and Fig. 4 b is the sectional drawing of A-A in Fig. 4 a, and Fig. 4 c is the rear view of header board, and Fig. 4 d is the axonometric drawing of header board.Header board (2) is cast sheet, and front adopts machining milling to put down, and requirement is not done in the back side; Header board front thread mill drilling and large through hole, be used for install, fixed front plate transition plate (1).
In the present embodiment, Fig. 5 a and Fig. 5 b is depicted as the structural drawing of two kinds of header board transition plates (1), according to the specifications design time plate of loading hydraulic cylinder, header board transition plate (1) is very little relative to header board (2) cost, so at the upper loading hydraulic cylinder (22) installing different size of header board transition plate (1), loading hydraulic cylinder (22) can be convenient for changing like this; The through hole of header board (2) corner is used for through optical axis (3).
In the present embodiment, the structure of intermediate plate is as shown in Fig. 6 a ~ Fig. 6 d, and wherein Fig. 6 a is the plan view of intermediate plate, and Fig. 6 b is the sectional drawing of B-B in Fig. 6 a, and Fig. 6 c is the rear view of intermediate plate, and Fig. 6 d is the axonometric drawing of intermediate plate.Intermediate plate (7) is cast sheet, two sides all adopts machining milling flat and thread mill drilling, centre is a large through hole, for the oil hydraulic cylinder of sample diversified in specifications, need processing intermediate plate transition plate (8) equally, this plate is fixed on intermediate plate (7) tapped hole, then fixes tested hydraulic cylinder (18) upper installation of intermediate plate transition plate (8).
In the present embodiment, Fig. 7 a ~ Fig. 7 d is depicted as the structural drawing of 4 kinds of intermediate plate transition plates (8), the structure of Fig. 7 a ~ Fig. 7 c is the mounting plate of flange-type tested hydraulic cylinder (18), the structure of Fig. 7 d both also by the joint of the oil hydraulic cylinder of middle internal thread fixed lug formula, thus can realize the installation of Earrings type tested hydraulic cylinder (18) as the mounting plate of flange-type tested hydraulic cylinder (18); Upper that face the right and left near rear plate (11) of intermediate plate (7) wants thread mill drilling simultaneously, is used for fixing the piston rod of positioning hydraulic cylinders (9); The through hole of intermediate plate corner is used for through optical axis (2).
In the present embodiment, the structure of rear plate is as shown in Fig. 8 a ~ Fig. 8 d, and wherein Fig. 8 a is the plan view of rear plate, and Fig. 8 b is the sectional drawing of C-C in Fig. 8 a, and Fig. 8 c is the rear view of rear plate, and Fig. 8 d is the axonometric drawing of rear plate.Rear plate (11) is cast sheet, and front adopts machining milling to put down, and requirement is not done in the back side; There is through hole centre, there is tapped hole in front, the rear flange formula tested hydraulic cylinder (18) longer for length of installation or the cylinder barrel part of the forward flange formula tested hydraulic cylinder (18) be arranged on intermediate plate (7) is passed from through hole, can reduce the length using optical axis like this; Rear plate through hole both sides processing small through hole and tapped hole, be used for installing, fix the cylinder barrel of two positioning hydraulic cylinders (9).Like this, intermediate plate (7) driving of positioning hydraulic cylinders (9) after being arranged on plate (11) will get off to adjust back whole position, ensures the tested hydraulic cylinder (18) of installing different size.
On test-bed, the hydraulic control system of two positioning hydraulic cylinders (9) as shown in Figure 9, solenoid directional control valve (15) and hand-operated direction valve (16) control the motion of positioning hydraulic cylinders (9), solenoid directional control valve (15) provides the automatic control mode of positioning hydraulic cylinders (9), is beneficial to telemanagement; Hand-operated direction valve (16) provides the MANUAL CONTROL mode of positioning hydraulic cylinders (9), be beneficial to mounting and adjusting operation on the spot, and utilize the transition function of hand-operated direction valve (16) can finely tune positioning hydraulic cylinders (9), thus the position of strict guarantee intermediate plate (7); Realize being synchronized with the movement of two positioning hydraulic cylinders (9) by flow divider-combiner (12), and utilize hydraulic lock (14) to realize the locking of positioning hydraulic cylinders (9), thus under the driving of positioning hydraulic cylinders (9), intermediate plate (7) is positioned at the position wanted; Above-mentioned hydrovalve integrates by valve block (13), as shown in Figure 10, can reduce connecting pipeline.As shown in figure 11, P1 mouth connects oil sources to valve block (13) structure, and oil return T mouth receives fuel tank, and A1, A2 mouth receives the rodless cavity hydraulic fluid port of positioning hydraulic cylinders (9) respectively, and B mouth receives the rod chamber hydraulic fluid port of positioning hydraulic cylinders (9) respectively by threeway.
As shown in Figure 12 and Figure 13, its actual use programmed sequence of operations is as follows for a kind of hydraulic pressure change stroke fine-tuning positioning lock compact form cylinder bench frame of the embodiment of the present invention and hydraulic control system structure thereof:
Loading hydraulic cylinder (22) is arranged on header board (2) by header board transition plate (1), tested hydraulic cylinder (18) is arranged on intermediate plate (7) by intermediate plate transition plate (8), and the cylinder barrel of two positioning hydraulic cylinders (9) is arranged on rear plate (11), piston rod is fixed on intermediate plate (7).The hydraulic fluid port of loading hydraulic cylinder (22) and tested hydraulic cylinder (18) is received on the corresponding hydraulic fluid port of hydraulic station (23).Stretching out and retraction of positioning hydraulic cylinders (9) piston rod is controlled by selector valve, and by hydraulic lock (14), intermediate plate (7) is fixed on correct position, this position can ensure that the piston rod of loading hydraulic cylinder (22) and the piston rod of tested hydraulic cylinder (18) are linked together by loading hydraulic cylinder jointing (21), force snesor (20), tested hydraulic cylinder jointing (19), simultaneously loading hydraulic cylinder jointing (21) is fixed on slidably on guide support plate (4), realizes supporting and guide function.Installation for the tested hydraulic cylinder (18) of different cylinder diameter, different installation only need change intermediate plate transition plate (8), installation for the tested hydraulic cylinder (18) of different length only need control the position of positioning hydraulic cylinders (9), thus realizes the installation of the oil hydraulic cylinder of different size on this stand.
The present invention has following beneficial effect:
1, the present invention is that the design of cylinder bench test-bed provides a kind of new technological scheme, and it can solve, and traditional experiment engine bench test is single or testability is diversified but the problems such as installation, inconvenient operation.
2, hydraulic pressure change stroke provided by the invention fine-tuning positioning lock compact form cylinder bench shelf structure is compact, attractive in appearance, intensity is large, reliability is high, facilitates the installation of the oil hydraulic cylinder of different cylinder diameter, different length, different installation, fixes.
3, hydraulic pressure change stroke provided by the invention fine-tuning positioning lock compact form cylinder bench frame can ensure the coaxality that oil hydraulic cylinder is installed; Use electromagnetism and hand-operated direction valve, facilitate automatic or manual to locate, be convenient to telecontrol and precise fine-adjustment nearby.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be considered as protection scope of the present invention.
Claims (11)
1. hydraulic pressure becomes a stroke fine-tuning positioning lock compact form cylinder bench frame, and it is characterized in that, described test-bed comprises underframe, framework, positioning hydraulic cylinders and hydraulic control system; Described framework, positioning hydraulic cylinders and hydraulic control system are placed on described underframe;
Described framework comprises header board, intermediate plate, guide support plate, rear plate and optical axis, and described front and rear panels are fixed on described optical axis two ends; Described intermediate plate, between described front and rear panels, slides along described optical axis under the driving of described positioning hydraulic cylinders; Loading hydraulic cylinder is arranged on described header board, and tested hydraulic cylinder is arranged on described intermediate plate, and the piston rod of described guide support plate to loading hydraulic cylinder and tested hydraulic cylinder play the guiding role;
Described positioning hydraulic cylinders is installed in the rear on plate, and the piston rod of described positioning hydraulic cylinders is fixed on described intermediate plate;
Described hydraulic control system comprises valve block, solenoid directional control valve, hand-operated direction valve, hydraulic lock and hydraulic pipe line; Described solenoid directional control valve is arranged on described valve block, for being carried out the telecontrol of described positioning hydraulic cylinders by described hydraulic pipe line; Described hand-operated direction valve is arranged on described valve block, for being carried out the fine setting nearby of described positioning hydraulic cylinders by described hydraulic pipe line; Described hydraulic lock is arranged on described valve block, for positioning hydraulic cylinders described in positioning and locking; Described hydraulic control system is connected with described positioning hydraulic cylinders, for controlling the motion of the piston rod of described positioning hydraulic cylinders.
2. hydraulic pressure according to claim 1 becomes stroke fine-tuning positioning lock compact form cylinder bench frame, it is characterized in that, described header board is provided with header board transition plate, for installing the loading hydraulic cylinder of different cylinder diameter; Described intermediate plate is provided with intermediate plate transition plate, for installing the tested hydraulic cylinder of different cylinder diameter.
3. hydraulic pressure according to claim 2 becomes stroke fine-tuning positioning lock compact form cylinder bench frame, it is characterized in that, the two sides of described intermediate plate is all plane and has interior threaded hole, and the tested hydraulic cylinder of different cylinder diameter is all installed on the two sides of described intermediate plate by intermediate plate transition plate.
4. hydraulic pressure according to claim 3 becomes stroke fine-tuning positioning lock compact form cylinder bench frame, it is characterized in that, described positioning hydraulic cylinders is installed in the rear on plate.
5. hydraulic pressure according to claim 4 becomes stroke fine-tuning positioning lock compact form cylinder bench frame, it is characterized in that, described hydraulic control system also comprises flow divider-combiner, is arranged on described valve block, for realizing being synchronized with the movement of 2 positioning hydraulic cylinders by described hydraulic pipe line.
6. the hydraulic pressure according to any one of claim 2 to 5 becomes stroke fine-tuning positioning lock compact form cylinder bench frame, it is characterized in that, described guide support plate is arranged between described header board and intermediate plate, for supporting the piston rod of described loading hydraulic cylinder and tested hydraulic cylinder, and described piston rod is led.
7. hydraulic pressure according to claim 6 becomes stroke fine-tuning positioning lock compact form cylinder bench frame, it is characterized in that, the unthreaded hole center of described header board transition plate, header board, intermediate plate, intermediate plate transition plate, rear plate, guide support plate is on same straight line, for realizing the installation centering of described loading hydraulic cylinder and tested hydraulic cylinder.
8. hydraulic pressure according to claim 7 becomes stroke fine-tuning positioning lock compact form cylinder bench frame, it is characterized in that, is provided with line slide rail between described intermediate plate and underframe, for supporting the weight of described intermediate plate, and ensureing the sliding of described intermediate plate.
9. hydraulic pressure according to claim 8 becomes stroke fine-tuning positioning lock compact form cylinder bench frame, and it is characterized in that, described line slide rail is two, is symmetrically arranged between described intermediate plate and underframe.
10. hydraulic pressure according to claim 9 becomes stroke fine-tuning positioning lock compact form cylinder bench frame, and it is characterized in that, described front and rear panels are fixed on described optical axis two ends by locking nut.
11. hydraulic pressure according to claim 10 become stroke fine-tuning positioning lock compact form cylinder bench frame, and it is characterized in that, described optical axis is 4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310012599.6A CN103075388B (en) | 2013-01-14 | 2013-01-14 | Hydraulic variable-stroke finely-tunable positioning locking type hydraulic cylinder testing rack |
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| CN201310012599.6A CN103075388B (en) | 2013-01-14 | 2013-01-14 | Hydraulic variable-stroke finely-tunable positioning locking type hydraulic cylinder testing rack |
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| CN103758823B (en) * | 2013-12-30 | 2016-01-13 | 中船重工中南装备有限责任公司 | A kind of three pillar type cylinder bench frame |
| CN103775437B (en) * | 2014-02-28 | 2016-03-02 | 南京理工大学 | Cylinder bench load simulating device and controlling method thereof |
| CN104564911B (en) * | 2015-02-09 | 2016-08-17 | 燕山大学 | Homonymy loading hydraulic cylinder test-bed |
| CN105570233B (en) * | 2015-12-21 | 2017-07-07 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of actuator hydraulic lock dislocation monitoring of structures |
| CN107906078B (en) * | 2017-11-01 | 2019-05-10 | 重庆维庆液压机械有限公司 | A kind of cylinder bench frame |
| CN107956763B (en) * | 2017-11-16 | 2019-07-02 | 重庆维庆液压机械有限公司 | A kind of cylinder bench frame with aligning device |
| CN108425912A (en) * | 2018-03-16 | 2018-08-21 | 焦作市质量技术监督检验测试中心 | A kind of test bench of hydraulic oil cylinder device |
| CN109596374A (en) * | 2018-12-27 | 2019-04-09 | 杭州恒宏机械有限公司 | A kind of jack hydraulic test device |
| CN113460011A (en) * | 2021-08-08 | 2021-10-01 | 吉林东光奥威汽车制动***有限公司 | Pressurizing block capable of being generally used for braking assistance |
| CN113586556B (en) * | 2021-08-09 | 2024-01-26 | 合肥海源机械有限公司 | Supporting table for cylinder barrel running-in and internal leakage detection for inclined oil cylinder assembly |
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| US6272401B1 (en) * | 1997-07-23 | 2001-08-07 | Dresser Industries, Inc. | Valve positioner system |
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| CN2886536Y (en) * | 2005-12-19 | 2007-04-04 | 中国神华能源股份有限公司 | Dynamic testing platform for hydraulic cylinder seal performance |
| CN2903522Y (en) * | 2006-03-16 | 2007-05-23 | 靖江宝骊叉车有限公司 | Single acting oil cylinder routine testing apparatus |
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