CN103075388A - 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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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 the hydraulics field, 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 the hydraulic system, and its quality directly has influence on the service behaviour of hydraulic system.Along with development and the national strict demand to quality of product of hydraulics, the detection of oil hydraulic cylinder has become one of important means that guarantees the hydraulic system performance.The performance index such as the stroke by detecting the evaluating liquid cylinder pressure, leakage, load efficiency avoid defective in quality oil hydraulic cylinder to come into the market, and bring loss and potential safety hazard to the client.
The cylinder bench frame is the important component part of cylinder bench, is used for installing and fixing tested hydraulic cylinder and loading hydraulic cylinder.At present, the cylinder bench frame mainly adopts following several structure:
(1) adopting shaped steel to become box-structure with Plate Welding, is by realizing at this structure welding different transition plate and bearing annex for the installation of different size oil hydraulic cylinder.This kind structural cost is low, still is subjected to the factor affecting such as welding deformation, be difficult to guarantee 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 installation, the test of realization different size oil hydraulic cylinder.
(2) adopt plate base platform, the accessory structure such as erection support, guiding trolley in the above, oil hydraulic cylinder is installed on the bearing, is provided with the bearing mounting hole of diverse location at base, by regulating the position of bearing and base, adjust the mounting distance of tested hydraulic cylinder and loading hydraulic cylinder.Therefore need to process different bearings for the oil hydraulic cylinder of different size, and at a lot of bearing mounting holes of base processing, the hole of processing has deviation unavoidably, so bad assurance is installed in the concentricity of the oil hydraulic cylinder on the bearing; This structure is suitable for the installation of the oil hydraulic cylinder of Earrings type, for certain narrow limitation that is equipped with of the oil hydraulic cylinder of other structures.
(3) adopt dovetail grooved base platform, the accessory structures such as top erection support, guiding trolley, principle is caught up with the structural similarity of stating (2), difference is need to be at base processing bearing mounting hole, can guarantee the concentricity of oil hydraulic cylinder, but this structure also needs to process different bearings, need to manually tight a bolt during fixed bearing simultaneously, fixedly the pattern bearing capacity is little for this bearing, is not suitable for installation, the test of the oil hydraulic cylinder of high pressure, large cylinder diameter.
In a word, present most cylinder bench framves are that the oil hydraulic cylinder for a certain specification designs, and accommodation is limited; Although what have is for the cylinder design of plurality of specifications, but installation, inconvenient operation, and bearing capacity is little, and production test efficient is lower, and the oil hydraulic cylinder of different size is tested this mode with different test-beds, and Utilization ratio is low, waste test resource.
Summary of the invention
The technical problem that (one) will solve
The technical problem to be solved in the present invention provides a kind of hydraulic pressure and becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame, can improve the versatility of cylinder bench frame, can the oil hydraulic cylinder of different cylinder diameters, different length series be installed and fixed, but and adopt hydraulic driving to realize becoming stroke manual fine-tuning location and employing hydraulic lock.
(2) technological scheme
In order to achieve the above object, the invention provides a kind of hydraulic pressure and become the fine-tuning positioning lock compact form of stroke 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 the 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 slides along described optical axis under the driving of described positioning hydraulic cylinders between described front and rear panels; Loading hydraulic cylinder is installed on the described header board, and tested hydraulic cylinder is installed on the described intermediate plate; Described guide support plate play the guiding role to the piston rod of loading hydraulic cylinder and tested hydraulic cylinder; Described positioning hydraulic cylinders is installed on the described rear plate, and the piston rod of described positioning hydraulic cylinders is fixed on the described intermediate plate; Described hydraulic control system is connected with described positioning hydraulic cylinders, for the motion of the piston rod of controlling described positioning hydraulic cylinders.
Wherein, the header board transition plate is installed on the described header board, is used for installing the loading hydraulic cylinder of different cylinder diameters; The intermediate plate transition plate is installed on the described intermediate plate, is used for the tested hydraulic cylinder that different cylinder diameters are installed.
Wherein, described hydraulic control system comprises valve piece, solenoid directional control valve, hand-operated direction valve, hydraulic lock and hydraulic pipe line; Described solenoid directional control valve is installed on the described valve piece, is used for being undertaken by described hydraulic pipe line the telecontrol of described positioning hydraulic cylinders; Described hand-operated direction valve is installed on the described valve piece, is used for carrying out the fine setting nearby of described positioning hydraulic cylinders by described hydraulic pipe line; Described hydraulic lock is installed on the described valve piece, is used for the described positioning hydraulic cylinders of positioning and locking.
Wherein, the two sides of described intermediate plate all is the plane and interior threaded hole is arranged that the tested hydraulic cylinder of different cylinder diameters is all installed on the two sides of described intermediate plate by the intermediate plate transition plate.
Wherein, described positioning hydraulic cylinders is installed on the described rear plate.
Wherein, described hydraulic control system also comprises flow divider-combiner, is installed on the described valve piece, is used for realizing being synchronized with the movement of 2 positioning hydraulic cylinders by described hydraulic pipe line.
Wherein, the guide support plate is installed between described header board and the intermediate plate, is used for supporting the piston rod of described loading hydraulic cylinder and tested hydraulic cylinder, and described piston rod is 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 the same straight line, is used for the installation centering of realizing described loading hydraulic cylinder and tested hydraulic cylinder.
Wherein, between described intermediate plate and the underframe line slide rail is installed, is used for supporting the weight of described intermediate plate, and guarantees the sliding of described intermediate plate.
Wherein, described line slide rail is two, and bilateral symmetry is installed between described intermediate plate and the 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 the traditional experiment engine bench test 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, the installation of the oil hydraulic cylinder of convenient different cylinder diameters, different length, different installation, fixing.
3, cylinder bench frame of the present invention can guarantee 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, makes things convenient for the automatic or manual location, is convenient to telecontrol and reaches precise fine-adjustment nearby.
Description of drawings
Fig. 1 is the axonometric drawing that a kind of hydraulic pressure of the embodiment of the invention becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame.
Fig. 2 is the plan view that a kind of hydraulic pressure of the embodiment of the invention becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame.
Fig. 3 is the plan view that a kind of hydraulic pressure of the embodiment of the invention becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame.
Fig. 4 a is the plan view of a kind of header board of the embodiment of the invention.
Fig. 4 b is the sectional drawing of A-A among Fig. 4 a.
Fig. 4 c is the rear view of the header board of the embodiment of the invention.
Fig. 4 d is the axonometric drawing of the header board of the embodiment of the invention.
Fig. 5 a is the structural drawing of a kind of header board transition plate of the embodiment of the invention.
Fig. 5 b is the structural drawing of the another kind of header board transition plate of the embodiment of the invention.
Fig. 6 a is the plan view of a kind of intermediate plate of the embodiment of the invention.
Fig. 6 b is the sectional drawing of B-B among Fig. 6 a.
Fig. 6 c is the rear view of the intermediate plate of the embodiment of the invention.
Fig. 6 d is the axonometric drawing of the intermediate plate of the embodiment of the invention.
Fig. 7 a is the structural drawing of a kind of intermediate plate transition plate of the embodiment of the invention.
Fig. 7 b is the structural drawing of a kind of intermediate plate transition plate of the embodiment of the invention.
Fig. 7 c is the structural drawing of a kind of intermediate plate transition plate of the embodiment of the invention.
Fig. 7 d is the structural drawing of a kind of intermediate plate transition plate of the embodiment of the invention.
Fig. 8 a is the plan view of a kind of rear plate of the embodiment of the invention.
Fig. 8 b is the sectional drawing of C-C among Fig. 8 a.
Fig. 8 c is the rear view of the rear plate of the embodiment of the invention.
Fig. 8 d is the axonometric drawing of the rear plate of the embodiment of the invention.
Fig. 9 is the structural drawing of a kind of hydraulic control system of the embodiment of the invention.
Figure 10 is the packaged structural drawing of joining of the valve of the embodiment of the invention.
Figure 11 is the structural drawing of the valve piece of the embodiment of the invention.
Figure 12 is the structural drawing that a kind of hydraulic pressure of the embodiment of the invention becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame.
Figure 13 is the structural drawing that a kind of hydraulic pressure of the embodiment of the invention becomes the hydraulic system of the fine-tuning positioning lock compact form of stroke cylinder bench frame.
Among the figure: 1-header board transition plate; The 2-header board; The 3-optical axis; 4-guide support plate; The 5-underframe; The 6-line slide rail; The 7-intermediate plate; 8-intermediate plate transition plate; The 9-positioning hydraulic cylinders; The 10-hydraulic pipe line; Plate behind the 11-; The 12-flow divider-combiner; The 13-integrated valve block; The 14-hydraulic lock; The 15-solenoid directional control valve; The 16-hand-operated direction valve; The 17-locking nut; The 18-tested hydraulic cylinder; 19-tested hydraulic cylinder jointing; 20-power sensor; 21-loading hydraulic cylinder jointing; The 22-loading hydraulic cylinder; The 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 are used for explanation the present invention, but are not used for limiting the scope of the invention.
Hydraulic pressure of the present invention becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame by the framework of 4 optical axises with header board, intermediate plate, rear plate composition stand, and front and rear panels are fixed on the optical axis two ends by locking nut, and intermediate plate can be free to slide at optical axis; At rear plate 2 positioning hydraulic cylinders are installed, the piston rod of positioning hydraulic cylinders is fixed on the intermediate plate, its hydraulic control system is installed on the stand below the cylinder, by reversing valve operated, intermediate plate can be under the driving of positioning hydraulic cylinders slides and is positioned at certain position at optical axis, thereby the distance between control header board and the intermediate plate, make the tested hydraulic cylinder of sample diversified in specifications can be installed on the intermediate plate, be connected with the loading hydraulic cylinder on being installed in header board, realize the loading test of tested hydraulic cylinder by loading hydraulic cylinder; The additional guide support plate of installing between header board and intermediate plate, be used for simultaneously supporting loading oil hydraulic cylinder and tested hydraulic cylinder piston rod and play the guiding role, thereby avoid piston rod bending deflection under the effect of gravity own and hydraulic coupling, break down; Said frame is placed on the 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, the sliding that is used for supporting the weight of intermediate plate and guarantees intermediate plate.
Center hole on the header board of the fine-tuning positioning lock compact form of hydraulic pressure change stroke of the present invention cylinder bench frame is enough large, the header board transition plate is installed on the header board, can process the header board transition plate of sizes, thus can be on the header board transition plate loading hydraulic cylinder of supporting various specifications; Center hole on the intermediate plate is also enough large, and the two sides all is the plane and interior threaded hole is arranged that the intermediate plate transition plate that can process sizes is installed on the intermediate plate, thereby can be in the tested hydraulic cylinder of the two sides of intermediate plate supporting various specifications.The center hole of described header board, header board transition plate, intermediate plate, intermediate plate transition plate, guide support plate, rear plate is on the same straight line, thus convenient installation centering of realizing tested hydraulic cylinder, loading hydraulic cylinder.
The hydraulic control system that hydraulic pressure of the present invention becomes the positioning hydraulic cylinders of the fine-tuning positioning lock compact form of stroke cylinder bench frame comprises valve piece, flow divider-combiner, hydraulic lock, solenoid directional control valve, hand-operated direction valve, solenoid directional control valve is realized the telecontrol of positioning hydraulic cylinders, hand-operated direction valve is realized the fine setting nearby of positioning hydraulic cylinders, flow divider-combiner can be realized being synchronized with the movement of 2 positioning hydraulic cylinders, hydraulic lock is used for the positioning and locking of positioning hydraulic cylinders, and the valve piece integrates above-mentioned valve.
Embodiment
A kind of hydraulic pressure of the embodiment of the invention becomes stroke fine-tuning positioning lock compact form cylinder bench frame such as Fig. 1, Fig. 2, shown in Figure 3, the tower structure that this cylinder bench frame adopts cast sheet and optical axis to form, realize that by superincumbent 2 positioning hydraulic cylinders and hydraulic control system are installed the tested hydraulic cylinder mounting plate is adjustable with the distance of loading hydraulic cylinder mounting plate, thereby 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 installed between header board (2) and the rear plate (11), and can be free to slide in optical axis (3), upper two positioning hydraulic cylinders (9) of installing of rear plate (11), its hydraulic control system is installed between 2 positioning hydraulic cylinders (9).Above-mentioned integral body is placed on the underframe (5), and line slide rail (6) both can support intermediate plate (7), can guarantee its sliding again.
In the present embodiment, the structure of header board is 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 among 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 positive employing machining is milled flat, and requirement is not done at the back side; Header board front thread mill drilling and large through hole are used for installing, fixed front plate transition plate (1).
In the present embodiment, Fig. 5 a and Fig. 5 b are depicted as the structural drawing of two kinds of header board transition plates (1), specifications design time plate according to loading hydraulic cylinder, header board transition plate (1) is very little with respect to header board (2) cost, so the loading hydraulic cylinder (22) of different size can be installed at header board transition plate (1), be convenient for changing like this loading hydraulic cylinder (22); The through hole that header board is (2) four jiaos is used for passing optical axis (3).
In the present embodiment, the structure of intermediate plate is 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 among 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, the two sides all adopts machining to mill flat and thread mill drilling, the centre is a large through hole, oil hydraulic cylinder for sample diversified in specifications, need equally processing intermediate plate transition plate (8), this plate is fixed on intermediate plate (7) tapped hole, then installs and fixes tested hydraulic cylinder (18) at 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 mounting plate that the structure of Fig. 7 d both can be used as flange-type tested hydraulic cylinder (18) also can pass through the joint of the oil hydraulic cylinder of middle internal thread fixed lug formula, thereby realizes the installation of Earrings type tested hydraulic cylinder (18); Upper that face the right and left near rear plate (11) of intermediate plate (7) is wanted thread mill drilling simultaneously, is used for fixing the piston rod of positioning hydraulic cylinders (9); The through hole that intermediate plate is four jiaos is used for passing optical axis (2).
In the present embodiment, the structure of rear plate is 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 among 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 positive employing machining is milled flat, and requirement is not done at the back side; There is through hole the centre, there is tapped hole in the front, be used for the long rear flange formula tested hydraulic cylinder (18) of length of installation or the cylinder barrel part of the forward flange formula tested hydraulic cylinder (18) that is installed on the intermediate plate (7) is passed from through hole, can reduce to use like this length of optical axis; Rear plate through hole both sides processing small through hole and tapped hole are used for installing, fixing the cylinder barrel of two positioning hydraulic cylinders (9).Like this, intermediate plate (7) will the driving of the positioning hydraulic cylinders (9) on the plate (11) get off to adjust back whole position after being installed in, and guarantees to install the tested hydraulic cylinder (18) of different size.
The hydraulic control system of two positioning hydraulic cylinders (9) as shown in Figure 9 on the test-bed, the motion of solenoid directional control valve (15) and hand-operated direction valve (16) control 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 adjusting operation is installed on the spot, and utilize the transition function of hand-operated direction valve (16) to finely tune positioning hydraulic cylinders (9), thereby 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), thereby under the driving of positioning hydraulic cylinders (9), intermediate plate (7) is positioned at the position of wanting; Valve piece (13) integrates above-mentioned hydrovalve, as shown in figure 10, can reduce connecting pipeline.Valve piece (13) structure as shown in figure 11, the P1 mouth connects oil sources, oil return T mouth is received fuel tank, A1, A2 mouth are received respectively the rodless cavity hydraulic fluid port of positioning hydraulic cylinders (9), the B mouth is received respectively the rod chamber hydraulic fluid port of positioning hydraulic cylinders (9) by threeway.
A kind of hydraulic pressure of the embodiment of the invention becomes stroke fine-tuning positioning lock compact form cylinder bench frame and hydraulic control system structure such as Figure 12 and shown in Figure 13, and its actual use programmed sequence of operations is as follows:
Loading hydraulic cylinder (22) is installed on the header board (2) by header board transition plate (1), tested hydraulic cylinder (18) is installed on the intermediate plate (7) by intermediate plate transition plate (8), and the cylinder barrel of two positioning hydraulic cylinders (9) is installed on the rear plate (11), piston rod is fixed on the 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).By stretching out and retraction of selector valve control positioning hydraulic cylinders (9) piston rod, and by hydraulic lock (14) intermediate plate (7) is fixed on correct position, this position can guarantee that the piston rod of loading hydraulic cylinder (22) and the piston rod of tested hydraulic cylinder (18) link together by loading hydraulic cylinder jointing (21), power sensor (20), tested hydraulic cylinder jointing (19), simultaneously loading hydraulic cylinder jointing (21) is fixed on slidably on the guide support plate (4), realizes supporting and guide function.Only need change intermediate plate transition plate (8) for the installation of the tested hydraulic cylinder (18) of different cylinder diameters, different installation gets final product, the positioning hydraulic cylinders (9) of position only need control to(for) the installation of the tested hydraulic cylinder (18) of different length gets final product, thereby 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 provides a kind of new technological scheme for the design of cylinder bench test-bed, and it is single or testability is diversified but the problems such as installation, inconvenient operation that it can solve the traditional experiment engine bench test.
2, the fine-tuning positioning lock compact form of hydraulic pressure change stroke provided by the invention cylinder bench shelf structure is compact, attractive in appearance, intensity is large, reliability is high, the installation of the oil hydraulic cylinder of convenient different cylinder diameters, different length, different installation, fixing.
3, hydraulic pressure provided by the invention becomes the coaxality that the fine-tuning positioning lock compact form of stroke cylinder bench frame can guarantee the oil hydraulic cylinder installation; Use electromagnetism and hand-operated direction valve, make things convenient for the automatic or manual location, be convenient to telecontrol and reach precise fine-adjustment nearby.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (12)
1. a hydraulic pressure becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame, 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 the 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 slides along described optical axis under the driving of described positioning hydraulic cylinders between described front and rear panels; Loading hydraulic cylinder is installed on the described header board, and tested hydraulic cylinder is installed on the described intermediate plate, and described guide support plate play the guiding role to the piston rod of loading hydraulic cylinder and tested hydraulic cylinder;
Described positioning hydraulic cylinders is installed on the described rear plate, and the piston rod of described positioning hydraulic cylinders is fixed on the described intermediate plate;
Described hydraulic control system is connected with described positioning hydraulic cylinders, for the motion of the piston rod of controlling described positioning hydraulic cylinders.
2. hydraulic pressure according to claim 1 becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame, it is characterized in that, the header board transition plate is installed on the described header board, is used for installing the loading hydraulic cylinder of different cylinder diameters; The intermediate plate transition plate is installed on the described intermediate plate, is used for the tested hydraulic cylinder that different cylinder diameters are installed.
3. hydraulic pressure according to claim 2 becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame, it is characterized in that described hydraulic control system comprises valve piece, solenoid directional control valve, hand-operated direction valve, hydraulic lock and hydraulic pipe line; Described solenoid directional control valve is installed on the described valve piece, is used for being undertaken by described hydraulic pipe line the telecontrol of described positioning hydraulic cylinders; Described hand-operated direction valve is installed on the described valve piece, is used for carrying out the fine setting nearby of described positioning hydraulic cylinders by described hydraulic pipe line; Described hydraulic lock is installed on the described valve piece, is used for the described positioning hydraulic cylinders of positioning and locking.
4. hydraulic pressure according to claim 3 becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame, it is characterized in that, the two sides of described intermediate plate all is the plane and interior threaded hole is arranged that the tested hydraulic cylinder of different cylinder diameters is all installed on the two sides of described intermediate plate by the intermediate plate transition plate.
5. hydraulic pressure according to claim 4 becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame, it is characterized in that described positioning hydraulic cylinders is installed on the described rear plate.
6. hydraulic pressure according to claim 5 becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame, it is characterized in that, described hydraulic control system also comprises flow divider-combiner, is installed on the described valve piece, is used for realizing being synchronized with the movement of 2 positioning hydraulic cylinders by described hydraulic pipe line.
7. according to claim 2 to the fine-tuning positioning lock compact form of 6 each described hydraulic pressure change strokes cylinder bench frame, it is characterized in that, described guide support plate is installed between described header board and the intermediate plate, be used for supporting the piston rod of described loading hydraulic cylinder and tested hydraulic cylinder, and described piston rod is led.
8. hydraulic pressure according to claim 7 becomes the fine-tuning positioning lock compact form of stroke 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 the same straight line, is used for the installation centering of realizing described loading hydraulic cylinder and tested hydraulic cylinder.
9. hydraulic pressure according to claim 8 becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame, it is characterized in that, between described intermediate plate and the underframe line slide rail is installed, and is used for supporting the weight of described intermediate plate, and guarantees the sliding of described intermediate plate.
10. hydraulic pressure according to claim 9 becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame, it is characterized in that described line slide rail is two, and bilateral symmetry is installed between described intermediate plate and the underframe.
11. hydraulic pressure according to claim 10 becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame, it is characterized in that described front and rear panels are fixed on described optical axis two ends by locking nut.
12. hydraulic pressure according to claim 11 becomes the fine-tuning positioning lock compact form of stroke cylinder bench frame, it is characterized in that described optical axis is 4.
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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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| CN103775437A (en) * | 2014-02-28 | 2014-05-07 | 南京理工大学 | Hydraulic cylinder test bench load simulation device and control method thereof |
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| CN105570233A (en) * | 2015-12-21 | 2016-05-11 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Hydraulic lock dislocation monitoring structure of actuator |
| CN107906078A (en) * | 2017-11-01 | 2018-04-13 | 重庆维庆液压机械有限公司 | A kind of cylinder bench frame |
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| CN113460011A (en) * | 2021-08-08 | 2021-10-01 | 吉林东光奥威汽车制动系统有限公司 | Pressurizing block capable of being generally used for braking assistance |
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