CN218121360U - Flywheel device for testing hydraulic motor and hydraulic brake - Google Patents
Flywheel device for testing hydraulic motor and hydraulic brake Download PDFInfo
- Publication number
- CN218121360U CN218121360U CN202221807620.2U CN202221807620U CN218121360U CN 218121360 U CN218121360 U CN 218121360U CN 202221807620 U CN202221807620 U CN 202221807620U CN 218121360 U CN218121360 U CN 218121360U
- Authority
- CN
- China
- Prior art keywords
- flywheel
- loading
- hydraulic motor
- radial
- hydraulic brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a flywheel device for hydraulic motor and hydraulic brake are experimental, include the rack and install the bearing frame on the rack, rotate the flywheel shaft of connecting in the bearing frame, the one end and the hydraulic motor power transmission of flywheel shaft are connected, the other end passes through the shaft coupling and is connected with hydraulic brake, the epaxial dismantlement formula of flywheel is connected with the flywheel subassembly, still be equipped with radial loading mechanism on the rack, radial loading mechanism is including installing the loading hydro-cylinder on the support, loading hydro-cylinder below is connected with the loading subassembly, the loading subassembly has the radial pressure head of rotation connection on the loading subassembly, radial pressure head is located directly over the shaft coupling, through the radial pressure head of loading hydro-cylinder drive running down radial pressure head and shaft coupling contact. The utility model is used for experimental flywheel device of hydraulic motor and hydraulic brake can carry out the flywheel simultaneously to hydraulic motor and hydraulic brake and experimental, through the radial loading mechanism modulus hydraulic brake who adds and the operating mode of hydraulic motor in practical application.
Description
Technical Field
The utility model relates to a field especially relates to a flywheel gear that is used for hydraulic motor and hydraulic brake to be experimental.
Background
Both the hydraulic motor and the hydraulic brake need to pass the flywheel test requirements. However, the conventional flywheel testing apparatus cannot simultaneously test the hydraulic motor and the hydraulic brake. The existing flywheel testing device can only test one test piece once through a single rotational inertia flywheel, can only test a single hydraulic motor product, cannot realize rotational inertia change combination, cannot adapt to different products to test on the same testing bench, and needs additional testing equipment to test again when radial loading test is needed, so that the testing process is complex.
Disclosure of Invention
The utility model discloses the main technical problem who solves provides a flywheel device for hydraulic motor and hydraulic brake are experimental, can carry out the flywheel simultaneously to hydraulic motor and hydraulic brake and experimental, through the operating mode of the radial loading mechanism modulus hydraulic brake and the hydraulic motor who adds in practical application.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a flywheel device for hydraulic motor and hydraulic brake are experimental, include the rack and install the bearing frame on the rack, rotate the flywheel shaft of connecting in the bearing frame, the one end and the hydraulic motor power transmission of flywheel shaft are connected, and the other end passes through the shaft coupling to be connected with hydraulic brake, the epaxial dismantlement formula of flywheel is connected with the flywheel subassembly, still be equipped with radial loading mechanism on the rack, radial loading mechanism is including installing the loading cylinder on the support, the loading cylinder below is connected with the loading subassembly, the loading subassembly has the radial pressure head of rotation connection on the loading subassembly, directly over the radial pressure head is located the shaft coupling, drives radial pressure head and shaft coupling contact under the radial pressure head of loading cylinder drive.
In a preferred embodiment of the present invention, the loading assembly includes a connecting frame connected to a piston rod of the loading cylinder, a rotating shaft is installed below the connecting frame, and the radial pressure head is rotatably connected to the rotating shaft.
In a preferred embodiment of the present invention, a force sensor for detecting the loading cylinder is installed on the connecting frame.
In a preferred embodiment of the present invention, the number of the radial pressure heads is 2, the radial pressure heads are symmetrically disposed at the inner side of the lower end of the connecting frame, and the radial pressure heads are rollers.
In the preferred embodiment of the present invention, the flywheel shaft has a flange, the flywheel assembly is detachably connected to the flange, the flywheel assembly includes at least one flywheel, the flywheel cover is disposed on the flywheel shaft, and the flywheel is axially connected to the flange through a driving screw.
In a preferred embodiment of the present invention, the flywheel shaft has a radial protrusion on one side of the flange, and the flywheel fitting sleeve is disposed on the radial protrusion and is fixedly connected to the flange to enable the flywheel and the flywheel shaft to rotate synchronously.
In a preferred embodiment of the present invention, the flywheel has a plurality of mounting holes evenly spaced along a center of the flywheel, and the driving screws pass through the mounting holes to axially fasten the flywheel to the flange.
In a preferred embodiment of the present invention, the rack is further provided with a flywheel hanging rack located on the left side of the flywheel assembly, the flywheel hanging rack is provided with a plurality of pins axially arranged, the flywheel translation and the radial protruding portion are separated, and the flywheel hanging rack is connected to the pins through the mounting holes.
In a preferred embodiment of the present invention, a torque and rotation speed sensor is further installed on the flywheel shaft.
In the utility model discloses a preferred embodiment, both sides are equipped with the slide rail around the rack, the activity is provided with a plurality of protection casings on the slide rail, the rack left and right sides still is equipped with the food tray, the below of rack is equipped with a plurality of shock attenuation lower margins.
The utility model has the advantages that: the utility model is used for experimental flywheel device of hydraulic motor and hydraulic brake is connected hydraulic motor and hydraulic brake with the flywheel shaft transmission, can realize that a flywheel device is experimental to hydraulic motor and hydraulic brake simultaneously, has saved test cost and test time.
The utility model is used for experimental flywheel device of hydraulic motor and hydraulic brake can be through the radial loading mechanism modulus by test piece hydraulic brake and hydraulic motor's operating mode in practical application, need not be in.
The utility model is used for experimental flywheel device of hydraulic motor and hydraulic brake, the flywheel device can be through the quantity of the selective adjustment flywheel of flywheel subassembly, and the inertia of flywheel makes up adjustably in transmission process, satisfies different test needs, does not need flywheel device more than two sets.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic perspective view of a preferred embodiment of the flywheel apparatus for testing a hydraulic motor and a hydraulic brake according to the present invention;
FIG. 2 is a schematic perspective view of the internal structure of the flywheel gear for the hydraulic motor and hydraulic brake test;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a partial schematic view of FIG. 3;
FIG. 5 is a partial cross-sectional view;
FIG. 6 is a perspective view of the flywheel assembly;
the parts in the drawings are numbered as follows: 1. the device comprises a rack 11, a slide rail 12, a protective cover 13, an oil pan 14, a shock absorption foot margin 2, a bearing seat 3, a flywheel shaft 31, a flange 32, a radial bulge 4, a hydraulic motor 5, a coupler 6, a hydraulic brake 7, a flywheel assembly 71, a flywheel 72, a mounting hole 73, a transmission screw 74, a torque rotating speed sensor 8, a radial loading mechanism 81, a support 82, a loading oil cylinder 83, a radial pressure head 84, a connecting frame 85, a rotating shaft 86, a force sensor 9, a flywheel hanger 91 and a pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The structure, proportion, size and so on shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification for the understanding and reading of the people skilled in the art, and are not used to limit the limit conditions of the present invention, so that the present invention does not have the essential significance in the technology, and any structure modification, proportion relation change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable by the present invention. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1 to 6, a flywheel device for a hydraulic motor and hydraulic brake test includes a rack 1, slide rails 11 are disposed on front and rear sides of the rack 1, and a plurality of protective covers 12 are movably disposed on the slide rails 11. The protective cover 12 slides on the sliding rail 11, the structure in the rack 1 is completely sealed, and meanwhile, the flywheel combination mode is conveniently adjusted by opening and closing the protective cover 12, so that personal injury possibly occurring to a rotating part in the test process is avoided. Oil pans 13 are also provided on the left and right sides of the gantry 1. The oil pan 13 can collect oil leaked from the hydraulic brake 6 and the hydraulic motor 4 in the test process, so that the test site is prevented from being polluted. The below of rack is equipped with a plurality of shock attenuation lower margin 14, and the vibration that test process machine brought is passed in the isolation of shock attenuation lower margin 14, ensures that whole device is stable, and the experiment can normally go on.
The bearing seats 2 are installed on the rack 1, and the number of the bearing seats 2 is two. Flywheel shaft 3 corresponds to rotate to be connected and provides the support transmission through bearing frame 2 on two bearing frames 2, ensures that flywheel shaft 3 can normally rotate. One end of the flywheel shaft 3 is in power transmission connection with a hydraulic motor 4, and the other end of the flywheel shaft is connected with a hydraulic brake 6 through a coupler 5. The flywheel shaft 3 is detachably connected with a flywheel assembly 7. A torque speed sensor 74 is also mounted on the flywheel shaft 3. The flywheel assembly 7 is combined by a plurality of flywheels 71 to obtain different flywheel inertia participating in rotation. The rotating speed and torque sensor detects the rotating speed and torque values in the whole test process, and monitors and pre-warns the change conditions of the rotating speed and the torque. The hydraulic brake 6 brakes the flywheel shaft 3 to effect deceleration of the flywheel assembly 7. The hydraulic motor 4 powers the flywheel shaft 3 to effect accelerated rotation of the flywheel assembly 7. The hydraulic motor 4 and the hydraulic brake 6 are selectively opened and closed, so that the alternate acceleration and deceleration can meet the requirement of performing a flywheel impact test on the hydraulic brake 6 and the hydraulic motor 4.
The radial loading mechanism 8 is also arranged on the rack 1, and the radial loading mechanism 8 comprises a loading oil cylinder 82 arranged on a bracket 81. A loading assembly is connected below the loading oil cylinder 82. The loading assembly is provided with a radial pressure head 83 which is rotatably connected to the loading assembly, the radial pressure head 83 is positioned right above the coupler 5, and the loading oil cylinder 82 drives the radial pressure head 83 to move downwards to enable the radial pressure head 83 to be in contact with the coupler 5. The loading assembly comprises a connecting frame 84 connected with a piston rod of the loading oil cylinder 82, a rotating shaft 85 is installed below the connecting frame 84, and the radial pressure head 83 is rotatably connected to the rotating shaft 85. The connecting bracket 84 is provided with a force sensor 86 for detecting the loading cylinder 82. The number of the radial pressure heads 83 is 2, the radial pressure heads 83 are symmetrically arranged on the inner side of the lower end of the connecting frame 84, and the radial pressure heads 83 are rollers. The bracket 81 is located outside the coupler 5, the loading oil cylinder 82 is used for providing downward pressure, the loading oil cylinder 82 extends to push the connecting frame 84 to move downwards, two radial pressure heads 83 (rollers) on the connecting frame 84 can be in contact with the coupler 5, and the radial pressure heads can be tightly pressed on the outer circle of the coupler 5, so that the hydraulic brake 6 bears the applied radial force during the test process. The radial force pressure head is provided with symmetrical bearings which are in contact rotation with the outer circle of the coupler 5, so that the whole transmission shaft can apply radial force in the rotation process. The radial force conditions can be simulated in real time by changing the working pressure of the radial force loading cylinder 82 in real time. The rotating speed and torque sensor detects the rotating speed and torque values in the whole test process, and monitors and warns the change conditions of the rotating speed and the torque.
The flywheel shaft 3 is provided with a flange 31, the flange 31 and the flywheel shaft 3 are integrally formed, the flywheel assembly 7 is detachably connected onto the flange 31, the flywheel assembly 7 comprises at least one flywheel 71, the flywheel 71 is sleeved on the flywheel shaft 3, and the flywheel 71 is axially connected onto the flange 31 through a transmission screw 73. The flywheel shaft 3 is provided with a radial convex part 32 at one side of the flange 31, and the flywheel 71 is sleeved on the radial convex part 32 in a matching way and is fixedly connected with the flange 31 so that the flywheel 71 and the flywheel shaft 3 rotate synchronously. The flywheel 71 is provided with a plurality of mounting holes 72 which are evenly distributed along the center of the flywheel 71 at intervals, and the driving screws 73 penetrate through the mounting holes 72 to enable the flywheel 71 to be fastened on the flange 31 in the axial direction. Taking the figure as an example, the number of the flywheels 71 is 3, the number of the mounting holes 72 on each flywheel 71 is 8, and the flywheels are arranged uniformly, wherein 4 of the mounting holes 72 are used for connecting the corresponding driving screws 73 on the flange 31, and the other 4 of the mounting holes correspond to the pins 91. 3 flywheels 71 are aligned and overlapped and connected to the flange 31 through the transmission screws 73, the flange 31 is provided with radial protruding portions 32, the inner rings of the flywheels 71 are just contacted with the radial protruding portions 32, at the moment, the 3 flywheels 71 are fixedly connected with the flywheel shaft 3 through the flange 31 and can rotate along with the flywheel shaft 3, different flywheels 71 are combined to obtain different flywheel inertia participating in rotation, therefore, the adjustment of the rotational inertia of the flywheels is realized, and the requirements of different tests of the hydraulic brakes 6 and the hydraulic motors 4 are met.
The rack 1 is also provided with a flywheel hanging frame 9 positioned at the left side of the flywheel assembly 7. The flywheel hanger 9 is provided with a plurality of pins 91 arranged along the axial direction, the flywheel is separated from the radial bulge 32 in a translation way, and the flywheel 71 is hung on the pins 91 through the mounting holes 72. When one flywheel 71 needs to be taken down, only the drive screw 73 needs to be detached, the flywheel 71 is separated, the leftmost flywheel 71 is translated, the inner ring of the flywheel 71 is separated from the radial bulge 32, the 4 mounting holes 72 are aligned with the pins 91, and the flywheel 71 is hung on the pins 91 of the flywheel hanger 9. Since the outer diameter of the transmission shaft at the flywheel hanger 9 is smaller than that of the radial protrusion 32, the flywheel 71 is separated from the flywheel shaft 3 at this time, the flywheel 71 is fixed by the flywheel hanger 9, and the flywheel 71 does not participate in movement any more in the following. While the remaining flywheels 71 continue to be assembled, subsequent testing may follow. The flywheel hanger 9, the transmission screw 73 and the flywheel 71 are used for realizing the combination of different flywheel inertia, and different test working conditions are realized on the same flywheel device.
Be different from prior art, the utility model is used for experimental flywheel device of hydraulic motor and hydraulic brake can carry out the flywheel simultaneously to hydraulic motor and hydraulic brake and experimental, through the operating mode of the radial loading mechanism modulus hydraulic brake and the hydraulic motor who adds in practical application.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art should understand that without departing from the spirit of the present invention, the person skilled in the art should not inventively design the similar structural modes and embodiments to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a flywheel device for hydraulic motor and hydraulic brake are experimental, includes the rack and installs the bearing frame on the rack, rotates the flywheel shaft of connecting in the bearing frame, the one end and the hydraulic motor power transmission of flywheel shaft are connected, and the other end passes through the shaft coupling to be connected with hydraulic brake, its characterized in that, the epaxial dismantlement formula of flywheel is connected with the flywheel subassembly, still be equipped with radial loading mechanism on the rack, radial loading mechanism is including installing the loading hydro-cylinder on the support, the loading hydro-cylinder below is connected with the loading subassembly, the loading subassembly has the radial pressure head of rotation connection on the loading subassembly, directly over the radial pressure head is located the shaft coupling, drives radial pressure head and shaft coupling contact under the radial pressure head of loading hydro-cylinder drive.
2. The flywheel device for the hydraulic motor and the hydraulic brake test is characterized in that the loading assembly comprises a connecting frame connected with a piston rod of a loading oil cylinder, a rotating shaft is installed below the connecting frame, and the radial pressure head is rotatably connected to the rotating shaft.
3. The flywheel apparatus for hydraulic motor and brake test of claim 2, wherein the connecting frame is installed with a force sensor for detecting the loading cylinder.
4. The flywheel device for hydraulic motor and hydraulic brake test of claim 3, wherein the number of the radial pressure heads is 2, the radial pressure heads are symmetrically arranged on the inner side of the lower end of the connecting frame, and the radial pressure heads are rollers.
5. The flywheel device for hydraulic motor and hydraulic brake test of any one of claims 1 to 4, wherein the flywheel shaft is provided with a flange, the flywheel assembly is detachably connected to the flange, the flywheel assembly comprises at least one flywheel, the flywheel is sleeved on the flywheel shaft, and the flywheel is axially connected to the flange through a transmission screw.
6. The flywheel device for the hydraulic motor and hydraulic brake test of claim 5, wherein the flywheel shaft is provided with a radial protrusion part on one side of the flange, and the flywheel is sleeved on the radial protrusion part in a matching manner and fixedly connected with the flange, so that the flywheel and the flywheel shaft rotate synchronously.
7. The flywheel device for testing the hydraulic motor and the hydraulic brake as claimed in claim 6, wherein the flywheel is provided with a plurality of mounting holes which are evenly distributed along the center of the flywheel at intervals, and the driving screws penetrate through the mounting holes to enable the flywheel to be axially fastened on the flange.
8. The flywheel device for the hydraulic motor and the hydraulic brake test is characterized in that the rack is further provided with a flywheel hanger located on the left side of the flywheel assembly, the flywheel hanger is provided with a plurality of pins arranged along the axial direction, and the flywheel is translated and separated from the radial protruding portions and hung on the pins through mounting holes.
9. The flywheel device for hydraulic motor and hydraulic brake test of claim 1, wherein the flywheel shaft is further mounted with a torque speed sensor.
10. The flywheel device for the hydraulic motor and hydraulic brake test of claim 9, wherein the rack is provided with slide rails at the front and rear sides, a plurality of protective covers are movably arranged on the slide rails, oil pans are further arranged at the left and right sides of the rack, and a plurality of shock absorption feet are arranged below the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221807620.2U CN218121360U (en) | 2022-07-14 | 2022-07-14 | Flywheel device for testing hydraulic motor and hydraulic brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221807620.2U CN218121360U (en) | 2022-07-14 | 2022-07-14 | Flywheel device for testing hydraulic motor and hydraulic brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218121360U true CN218121360U (en) | 2022-12-23 |
Family
ID=84518605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221807620.2U Active CN218121360U (en) | 2022-07-14 | 2022-07-14 | Flywheel device for testing hydraulic motor and hydraulic brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218121360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117213829A (en) * | 2023-11-07 | 2023-12-12 | 山东永生机械有限公司 | Hydraulic pressure testing device for brake assembly |
-
2022
- 2022-07-14 CN CN202221807620.2U patent/CN218121360U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117213829A (en) * | 2023-11-07 | 2023-12-12 | 山东永生机械有限公司 | Hydraulic pressure testing device for brake assembly |
| CN117213829B (en) * | 2023-11-07 | 2024-01-23 | 山东永生机械有限公司 | Hydraulic pressure testing device for brake assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218121360U (en) | Flywheel device for testing hydraulic motor and hydraulic brake | |
| CN204228553U (en) | Abrasion tester | |
| CN102072816A (en) | Bearing tester | |
| PL342762A1 (en) | Apparatus for measuring forces produced by an unbalanced rotor | |
| CN107064560A (en) | Accelerometer with high g values bump test device | |
| CN201773000U (en) | Bearing life reliability testing device | |
| CN207816607U (en) | High-frequency excitation earthing or grounding means testing stand | |
| HUP0100852A2 (en) | Sudden braking apparatus for press | |
| CN212748563U (en) | Centrifugal hypergravity experimental device for material preparation and performance test | |
| CN216746778U (en) | Loading structure for CT machine turntable bearing test | |
| CN114184380B (en) | CT machine turntable bearing test device | |
| CN107576512A (en) | A kind of child safety seat test device | |
| SE444461B (en) | Tamping DEVICE | |
| CN106370890A (en) | Device capable of performing speed sensor performance testing in three integrated test conditions | |
| CN112197961B (en) | Testing device for testing anti-torque performance of elevator main shaft through inertial impact | |
| CN205619905U (en) | Beat and detect two hold -down mechanism | |
| SU586853A3 (en) | Stand for testing loaded wheels | |
| CN220324024U (en) | Automobile steering force perception training device | |
| CN207487987U (en) | A kind of children's seat detection equipment | |
| CN208520718U (en) | A kind of more wheel centering Roll test platforms | |
| SU1174810A1 (en) | Machine for testing needle cardan bearings | |
| CN111855206A (en) | Bearing fatigue detection equipment and detection method thereof | |
| CN212844165U (en) | Vertical dynamic balance tool and dynamic balance mounting structure of double-twisting machine rotating shaft system device | |
| SU846037A1 (en) | Horisontal forging machine | |
| CN213812829U (en) | Centrifugal speed limiter detection device for hoister |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |