CN211401692U - Suspension frame test bed - Google Patents
Suspension frame test bed Download PDFInfo
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- CN211401692U CN211401692U CN202020374769.0U CN202020374769U CN211401692U CN 211401692 U CN211401692 U CN 211401692U CN 202020374769 U CN202020374769 U CN 202020374769U CN 211401692 U CN211401692 U CN 211401692U
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Abstract
The utility model provides a suspension frame test bed, which comprises a base, a bracket and a counterweight component; the base is used for mounting a magnetic suspension track; the bracket is arranged above the base and used for mounting the suspension rack; the counterweight assembly is arranged on the support and comprises a first counterweight block, and the first counterweight block can slide relative to the support to change the center of gravity of the support. The utility model provides a suspension frame test bench, the magnetic suspension track is installed on the base, the suspension frame is installed on the support, the counter weight subassembly sets up on the support, first balancing weight removes in the plane that the support formed, change the focus of support, make the atress of suspension frame the biasing appear, and then simulate out the state that the people walked around in the carriage, the suspension state of suspension frame is tested out to rethread test equipment, verify the suspension control algorithm of suspension frame, the realization is to the optimization of suspension control algorithm, ensure the safe operation of train.
Description
Technical Field
The utility model relates to a magnetic suspension technical field particularly, relates to a suspension test bench.
Background
At present, medium-low speed magnetic suspension traffic has the advantages of safety, comfort, strong climbing capability and low noise, and has wide development prospect as a novel urban rail traffic mode.
In the related technology, the suspension frame of the medium-low speed maglev train is a key part for train operation, and the quality of a control algorithm of the suspension frame directly affects the operation quality and even safety of the maglev train, so that it is necessary to simulate the working state of the suspension frame before the train operates and test the suspension frame to verify the quality of the control algorithm.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
Therefore, the utility model discloses a first aspect provides a suspension test bench.
In view of the above, the present invention provides, in a first aspect, a suspension test stand, which includes a base, a bracket, and a counterweight assembly; the base is used for mounting a magnetic suspension track; the bracket is arranged above the base and used for mounting the suspension rack; the counterweight assembly is arranged on the support and comprises a first counterweight block, and the first counterweight block can slide relative to the support to change the center of gravity of the support.
The utility model provides a suspension test bench, the magnetic suspension track mounting is on the base, the suspension is installed on the support, the counter weight subassembly sets up on the support, first balancing weight removes in the plane that the support formed, change the focus of support, make the atress of suspension appear the biasing, and then simulate out the atress state of suspension when the people walks about in the carriage, rethread test equipment tests out the suspension state of suspension, verify the suspension control algorithm of suspension, the realization is to the optimization of suspension control algorithm, ensure the safe operation of train.
Preferably, the weight of the first balancing weight is close to the weight of the human body, so that the simulated state is closer to the real state.
Additionally, the utility model provides an among the above-mentioned technical scheme suspension test bench can also have following additional technical characteristic:
in above-mentioned technical scheme, preferably, the counter weight subassembly still includes electronic slip table, and electronic slip table sets up on the support, and first balancing weight sets up on electronic slip table.
In the technical scheme, the electric sliding table drives the first balancing weight to move on a plane formed by the bracket, so that the gravity center of the bracket is changed; the first balancing weight is driven to move through the electric sliding table, so that the suspension frame test bed is simpler in structure and convenient to install, the displacement and the moving speed of the first balancing weight can be accurately controlled, and the gravity center of the support can be controlled.
Preferably, electronic slip table includes the fixing base, the screw rod, motor and slider, and the fixing base is connected with the support, and the screw rod sets up on the fixing base, but the relative fixing base rotates, and the motor is connected with the screw rod, and then the drive screw rod rotates, and on the screw rod was located to the slider cover, the axial motion along the screw rod was driven to the screw rod pivoted while, and first balancing weight sets up on the slider.
In the above technical solution, preferably, the number of the counterweight assemblies is four, the four sets of counterweight assemblies are arranged along the circumferential direction of the support, and the adjacent counterweight assemblies are perpendicular to each other.
In this technical scheme, four group's counter weight subassemblies are the rectangle setting for set up a balancing weight on every electronic slip table, the length direction and the width direction motion of support can be followed respectively to four balancing weights, ensure that the focus of support can be to arbitrary direction skew, make the state of simulating the state of going closer to the train.
In any of the above technical solutions, preferably, the number of the counterweight components is at least two groups, and at least two groups of counterweight components are arranged in a crossing manner.
In this technical scheme, the counter weight subassembly is two sets of, and two sets of counter weight subassemblies are crisscross to be set up, is the cross, and the counter weight subassembly also can be four sets of, is the cross setting.
In any one of the above technical solutions, preferably, the electric sliding table is a dual-shaft electric sliding table.
In this technical scheme, electronic slip table is the electronic slip table of biax, and electronic slip table sets up a screw rod respectively on X axle and Y axle promptly, and two screw rods drive the slider simultaneously.
In any of the above technical solutions, preferably, the bracket includes a frame, a cover plate, a first mounting plate, and a second mounting plate; the cover plate is connected with the framework and positioned above the framework, and the counterweight component is arranged on the cover plate; the first mounting plate is connected with the framework and positioned below the framework; the second mounting panel is connected with the skeleton, is located the below of skeleton.
In the technical scheme, the framework is connected with the cover plate, so that the support is firmer, the first mounting plate and the second mounting plate are respectively used for mounting the air spring and the loading assembly, and mounting interfaces are reserved for mounting the air spring and the connecting assembly.
In any of the above technical solutions, preferably, the suspension test stand further includes an air spring, one end of the air spring is connected with the first mounting plate, and the other end of the air spring is used for mounting the suspension.
In the technical scheme, the support is connected with the suspension frame through the air spring, and the air spring simulates a suspension system of a train, so that the state of the train simulated by the suspension frame test bed is more real.
In any of the above technical solutions, preferably, the suspension test stand further includes a connection assembly and a loading assembly, and one end of the connection assembly is connected to the second mounting plate; the loading assembly is connected with the other end of the connecting assembly so as to apply a downward force to the bracket through the connecting assembly.
In the technical scheme, the loading assembly applies downward tension to the suspension frame through the connecting assembly to simulate the stress state of the train, namely the gravity of the train and the gravity of passengers in a carriage, and then the suspension state of the suspension frame is tested through the testing equipment, the suspension control algorithm of the suspension frame is verified, the optimization of the suspension control algorithm is realized, and the safe operation of the train is ensured. And this suspension test bench need not complicated loading mechanism for the structure of suspension test bench is simpler.
Preferably, the loading assembly is arranged on one side of the base, so that the control and maintenance of the loading assembly are simpler and more convenient.
In any of the above technical solutions, preferably, the loading assembly includes a mounting seat, a rotating shaft, a loading wheel and a torsion assembly; the mounting seat is connected with the base; the rotating shaft penetrates through the mounting seat and can rotate relative to the mounting seat; the loading wheel is sleeved on the rotating shaft; the torsion assembly is connected with the rotating shaft so as to apply torsion to the rotating shaft.
In this technical scheme, the mount pad is installed on the base, and on the mount pad was worn to locate by the pivot, the loading wheel cover was located in the pivot, and the stay cord twines on the loading wheel, and when torsion was applyed to the pivot to the torsion subassembly, the loading wheel rotated, and then drives the stay cord motion, and the stay cord is applyed the pulling force to the support, and then the stress state of simulation train realizes the car to the suspension.
Preferably, the number of the mounting seats is two, and the two mounting seats are respectively arranged on two sides of the loading wheel.
In any one of the above technical solutions, preferably, the torsion assembly includes a support member, a sliding member, and a second weight block; the supporting component is connected with the rotating shaft; the sliding component is connected with the supporting component and can slide relative to the supporting component; the second balancing weight is arranged on the sliding part.
In the technical scheme, the supporting part is connected with the rotating shaft, and the sliding part and the second balancing weight exert a downward force on the supporting part under the action of gravity, so that the supporting part exerts a torque force for driving the rotating shaft to rotate on the rotating shaft, and the support is loaded; the sliding part drives the second balancing weight to slide on the supporting part, the distance from the gravity center of the second balancing weight to the axis of the rotating shaft is an arm of force corresponding to the gravity of the second balancing weight, the length of the arm of force is changed, so that the torque applied to the rotating shaft is changed, the change of the load applied to the support is realized, the loading speed of the support can be adjusted by controlling the sliding speed of the sliding block, and stepless adjustment can be realized. Torsion is exerted to the pivot by the dependence of second balancing weight self gravity, need not drive arrangement such as pneumatic cylinder, and when the energy can be saved, pollutants such as no hydraulic oil produced for operational environment is clean and tidy more. The size of second balancing weight can be changed according to the size of loading force.
Preferably, the sliding member is an electric slide table.
In any of the above technical solutions, preferably, the connection assembly includes a first pulley assembly, a second pulley assembly, and a pull rope; the first pulley component is arranged on the bracket; the second pulley component is arranged on the base; one end of stay cord is connected with the base, and the other end is connected with the loading subassembly, and the stay cord is walked around first loose pulley assembly and second loose pulley assembly.
In this technical scheme, stay cord one end is connected with the base, and the duplex winding is first loose pulley assembly and second loose pulley assembly, and the back is connected with adding at the subassembly, adds and passes through the stay cord at the subassembly and apply the pulling force to the support, and the extending direction of first loose pulley assembly and second loose pulley assembly control stay cord, and then the realization is controlled the atress direction of support, ensures that the support atress is even stable.
Preferably, the pull cord is a steel cord.
In any of the above technical solutions, preferably, the first pulley assembly includes at least two pulleys, and the at least two pulleys are respectively located on two sides of the second pulley assembly.
In the technical scheme, the first pulley assembly is connected with the support, the pull rope winds one pulley of the first pulley assembly and then winds the second pulley assembly, and then winds the other pulley of the first pulley assembly, so that the loading force applied to the loading assembly is amplified, the loading capacity of the loading assembly is improved, and the volume of the loading assembly can be reduced.
In any of the above technical solutions, preferably, the connection assembly further includes a third pulley assembly, the third pulley assembly is mounted on the base, and the pull rope passes under the third pulley assembly.
In this technical scheme, after the stay cord walked around first loose pulley assembly and second loose pulley assembly, walked around third loose pulley assembly once more, third loose pulley assembly played and carried out spacing effect to the stay cord, has controlled the extending direction of stay cord, avoids stay cord and support to take place to interfere, ensures the stability of test bench work.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic view of an assembly of a bracket and a counterweight assembly according to an embodiment of the invention;
fig. 2 shows a schematic structural view of a support according to an embodiment of the invention;
fig. 3 shows a schematic structural view of a support according to another embodiment of the present invention;
fig. 4 shows a schematic structural view of a suspension test stand according to an embodiment of the present invention;
fig. 5 shows a schematic structural diagram of a connection assembly and a loading assembly according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:
the device comprises a base 1, a support 2, a framework 22, a cover plate 24, a first mounting plate 26, a second mounting plate 28, a connecting assembly 3, a first pulley assembly 32, a second pulley assembly 34, a pull rope 36, a third pulley assembly 38, a loading assembly 4, a mounting seat 42, a rotating shaft 44, a loading wheel 46, a torsion assembly 48, a supporting component 482, a sliding component 484, a 486 second balancing weight, a 7 balancing weight assembly 72, a first balancing weight, an electric sliding table 74 and a suspension frame 8.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The suspension test stand according to some embodiments of the present invention is described below with reference to fig. 1 to 5.
In an embodiment of the first aspect of the present invention, as shown in fig. 1 to 5, the present invention provides a suspension rack 8 test bed, which includes a base 1, a bracket 2 and a counterweight assembly 7; the base 1 is used for mounting a magnetic suspension track; the bracket 2 is arranged above the base 1 and used for mounting a suspension rack 8; the counterweight assembly 7 is disposed on the support 2, and the counterweight assembly 7 includes a first counterweight 72, and the first counterweight 72 can slide relative to the support 2 to change the center of gravity of the support 2.
The utility model provides an 8 test benches of suspension frame, the magnetic suspension track is installed on base 1, suspension frame 8 is installed on support 2, counterweight assembly 7 sets up on support 2, first balancing weight 72 removes in the plane that support 2 formed, change support 2's focus, make the biasing appear in suspension frame 8's atress, and then simulate out the stress state of suspension frame when the people walks about in the carriage, the suspension state of suspension frame 8 is tested out to rethread test equipment, the suspension control algorithm to suspension frame 8 verifies, realize the optimization to the suspension control algorithm, ensure the safe operation of train.
Preferably, the weight of the first weight 72 is close to the weight of the human body, so that the simulated state is closer to the real state.
In an embodiment of the present invention, preferably, as shown in fig. 1, the counterweight assembly 7 further includes an electric sliding table 74, the electric sliding table 74 is disposed on the bracket 2, and the first balancing weight 72 is disposed on the electric sliding table 74.
In this embodiment, the electric sliding table 74 drives the first balancing weight 72 to move on the plane formed by the bracket 2, so as to change the center of gravity of the bracket 2; the first balancing weight 72 is driven to move through the electric sliding table 74, so that the test bed of the suspension frame 8 is simpler in structure and convenient to install, the displacement and the moving speed of the first balancing weight 72 can be accurately controlled, and the gravity center of the support 2 can be controlled.
Preferably, electronic slip table 74 includes fixing base, screw rod, motor and slider, and the fixing base is connected with support 2, and the screw rod sets up on the fixing base, but the relative fixing base rotates, and the motor is connected with the screw rod, and then drives the screw rod and rotate, and on the screw rod was located to the slider cover, the screw rod pivoted drives the axial motion of slider along the screw rod simultaneously, and first balancing weight 72 sets up on the slider.
In an embodiment of the present invention, preferably, as shown in fig. 1, the number of the weight components 7 is four, the four weight components 7 are arranged along the circumferential direction of the support 2, and the adjacent weight components 7 are perpendicular to each other.
In this embodiment, four sets of counterweight assemblies 7 are arranged in a rectangular shape, so that a counterweight is arranged on each electric sliding table, and the four counterweights can move along the length direction and the width direction of the support 2 respectively, thereby ensuring that the center of gravity of the support 2 can shift to any direction, and enabling the simulated state to be closer to the state when a train runs.
In an embodiment of the present invention, preferably, the number of the weight components 7 is at least two sets, and at least two sets of weight components 7 are arranged in a crossing manner.
In this embodiment, the two groups of weight components 7 are arranged in a cross shape, and the weight components 7 may also be arranged in four groups in a cross shape.
In an embodiment of the present invention, the electric slide table 74 is preferably a double-shaft electric slide table 74.
In this embodiment, the electric slide table 74 is a double-shaft electric slide table 74, that is, the electric slide table 74 is provided with one screw rod on each of the X axis and the Y axis, and the two screw rods drive the slide blocks simultaneously.
In one embodiment of the present invention, preferably, as shown in fig. 2 and 3, the bracket 2 includes a frame 22, a cover plate 24, a first mounting plate 26, and a second mounting plate 28; the cover plate 24 is connected with the framework 22 and positioned above the framework 22, and the counterweight component 7 is arranged on the cover plate 24; the first mounting plate 26 is connected with the framework 22 and is positioned below the framework 22; a second mounting plate 28 is connected to the frame 22 and is positioned below the frame 22.
In this embodiment, the frame 22 is connected to the cover plate 24 to make the bracket 2 more rigid, and the first and second mounting plates 26 and 28 are used to mount the air spring and loading assembly 4, respectively, to reserve a mounting interface for mounting the air spring and connecting assembly 3.
In an embodiment of the present invention, preferably, the suspension 8 test bed further comprises an air spring, one end of the air spring is connected to the first mounting plate 26, and the other end is used for mounting the suspension 8.
In the embodiment, the bracket 2 is connected with the suspension frame 8 through the air spring, and the air spring simulates a suspension system of a train, so that the state of the train simulated by the test bed of the suspension frame 8 is more real.
In an embodiment of the present invention, preferably, as shown in fig. 4, the suspension 8 test bed further includes a connecting assembly 3 and a loading assembly 4, wherein one end of the connecting assembly 3 is connected to the second mounting plate 28; the loading assembly 4 is connected to the other end of the connecting assembly 3 to apply a downward force to the bracket 2 through the connecting assembly 3.
In this embodiment, the loading assembly 4 applies a downward pulling force to the suspension frame 8 through the connection assembly 3 to simulate a stress state of the train, that is, the gravity of a passenger in a carriage of the gravity of the train, and then the suspension state of the suspension frame 8 is tested through the test equipment, and the suspension control algorithm of the suspension frame 8 is verified, so that the optimization of the suspension control algorithm is realized, and the safe operation of the train is ensured. And this 8 test benches of suspension frame need not complicated loading mechanism for the structure of 8 test benches of suspension frame is simpler.
Preferably, the loading assembly 4 is disposed at one side of the base 1, so that the control and maintenance of the loading assembly 4 are simpler and more convenient.
In one embodiment of the present invention, preferably, as shown in fig. 4 and 5, the loading assembly 4 includes a mounting seat 42, a rotating shaft 44, a loading wheel 46 and a torsion assembly 48; the mounting seat 42 is connected with the base 1; the rotating shaft 44 is arranged on the mounting base 42 in a penetrating way and can rotate relative to the mounting base 42; the loading wheel 46 is sleeved on the rotating shaft 44; the torsion assembly 48 is connected to the shaft 44 to apply a torsion force to the shaft 44.
In this embodiment, the mounting seat 42 is mounted on the base 1, the rotating shaft 44 penetrates through the mounting seat 42, the loading wheel 46 is sleeved on the rotating shaft 44, the pulling rope 36 is wound on the loading wheel 46, when the torque assembly 48 applies a torque force to the rotating shaft 44, the loading wheel 46 rotates to drive the pulling rope 36 to move, the pulling rope 36 applies a pulling force to the support 2, and then a stress state of a train is simulated, so that the train for the suspension frame 8 is realized.
Preferably, there are two mounting seats 42, respectively disposed on both sides of the loading wheel 46.
In one embodiment of the present invention, preferably, as shown in fig. 4 and 5, the torsion assembly 48 includes a support member 482, a sliding member 484, and a second weight block 486; the supporting part 482 is connected with the rotating shaft 44; a slide member 484 connected to the support member 482 to be slidable relative to the support member 482; the second weight 486 is provided on the sliding member 484.
In this embodiment, the supporting part 482 is connected to the rotating shaft 44, and the sliding part 484 and the second weight 486 apply a downward force to the supporting part 482 under the action of gravity, so that the supporting part 482 applies a torque force to the rotating shaft 44 to drive the rotating shaft 44 to rotate, thereby loading the bracket 2; the sliding component 484 drives the second balancing weight 486 to slide on the supporting component 482, the distance from the gravity center of the second balancing weight 486 to the axis of the rotating shaft 44 is a moment arm corresponding to the gravity of the second balancing weight 486, the length of the moment arm is changed, so that the torque applied to the rotating shaft 44 is changed, the load applied to the bracket 2 is changed, the loading speed of the bracket 2 can be adjusted by controlling the sliding speed of the sliding block, and stepless adjustment can be achieved. The second weight block 486 applies a torsion force to the rotating shaft 44 by means of the gravity of the second weight block, and driving devices such as hydraulic cylinders are not needed, so that energy is saved, and meanwhile, pollutants such as hydraulic oil are not generated, and the working environment is cleaner and tidier. The size of the second weight 486 can be changed according to the magnitude of the loading force.
Preferably, the slide member 484 is a motorized slide table 74.
In one embodiment of the present invention, preferably, as shown in fig. 4 and 5, the connecting assembly 3 includes a first pulley assembly 32, a second pulley assembly 34 and a pull rope 36; the first pulley assembly 32 is mounted on the bracket 2; the second pulley assembly 34 is mounted on the base 1; a pull cord 36 is connected at one end to the base 1 and at the other end to the loading assembly 4, with the pull cord 36 passing around the first pulley assembly 32 and the second pulley assembly 34.
In this embodiment, one end of the pulling rope 36 is connected to the base 1, and bypasses the first pulley assembly 32 and the second pulley assembly 34, and then is connected to the add-on assembly, and the add-on assembly applies a pulling force to the bracket 2 through the pulling rope 36, and the first pulley assembly 32 and the second pulley assembly 34 control the extending direction of the pulling rope 36, so as to control the force-bearing direction of the bracket 2, and ensure that the force-bearing of the bracket 2 is uniform and stable.
Preferably, the pull cord 36 is a steel cord.
In an embodiment of the present invention, preferably, as shown in fig. 4 and 5, the first pulley assembly 32 includes at least two pulleys, and the at least two pulleys are respectively located at two sides of the second wheel changing assembly.
In this embodiment, the first pulley assembly 32 is connected to the frame 2, and the pulling rope 36 passes around one pulley of the first pulley assembly 32, then passes through the second pulley assembly 34, and then passes through the other pulley of the first pulley assembly 32, so as to amplify the loading force applied by the loading assembly 4, improve the loading capacity of the loading assembly 4, and reduce the volume of the loading assembly 4.
In an embodiment of the present invention, preferably, as shown in fig. 4 and 5, the connecting assembly 3 further includes a third pulley assembly 38, the third pulley assembly 38 is mounted on the base 1, and the pulling rope 36 passes under the third pulley assembly 38.
In this embodiment, after the pulling rope 36 passes around the first pulley assembly 32 and the second pulley assembly 34, the pulling rope 36 passes around the third pulley assembly 38 again, and the third pulley assembly 38 plays a role in limiting the pulling rope 36, so that the extending direction of the pulling rope 36 is controlled, the pulling rope 36 is prevented from interfering with the bracket 2, and the working stability of the test bed is ensured.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A suspension test stand, comprising:
the base is used for mounting a magnetic suspension track;
the bracket is arranged above the base and used for mounting the suspension frame;
the counterweight assembly is arranged on the support and comprises a first counterweight block, and the first counterweight block can slide relative to the support to change the gravity center of the support.
2. The suspension test stand of claim 1, wherein the counterweight assembly further comprises:
the electric sliding table is arranged on the support, and the first balancing weight is arranged on the electric sliding table.
3. The suspension test stand of claim 2,
the number of the counterweight components is four, the counterweight components are arranged along the circumferential direction of the support, and the adjacent counterweight components are mutually perpendicular.
4. The suspension test stand of claim 2,
the number of the counterweight components is at least two groups, and the counterweight components are arranged in a crossed manner.
5. The suspension test stand of claim 2,
the electric sliding table is a double-shaft electric sliding table.
6. The suspension test stand of claim 1, wherein the cradle comprises:
a framework;
the cover plate is connected with the framework and positioned above the framework, and the counterweight assembly is arranged on the cover plate;
the first mounting plate is connected with the framework and positioned below the framework;
and the second mounting plate is connected with the framework and positioned below the framework.
7. The suspension test stand of claim 6, further comprising:
and one end of the air spring is connected with the first mounting plate, and the other end of the air spring is used for mounting the suspension frame.
8. The suspension test stand of claim 6, further comprising:
one end of the connecting component is connected with the second mounting plate;
a loading assembly connected with the other end of the connection assembly to apply a downward force to the bracket through the connection assembly.
9. The suspension test stand of claim 8, wherein the loading assembly comprises:
the mounting seat is connected with the base;
the rotating shaft penetrates through the mounting seat and can rotate relative to the mounting seat;
the loading wheel is sleeved on the rotating shaft;
the torsion assembly is connected with the rotating shaft so as to apply torsion to the rotating shaft.
10. The suspension test stand of claim 9, wherein the torsion assembly comprises:
the supporting component is connected with the rotating shaft;
the sliding component is connected with the supporting component and can slide relative to the supporting component;
a second weight disposed on the sliding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020374769.0U CN211401692U (en) | 2020-03-23 | 2020-03-23 | Suspension frame test bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020374769.0U CN211401692U (en) | 2020-03-23 | 2020-03-23 | Suspension frame test bed |
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| CN211401692U true CN211401692U (en) | 2020-09-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865882A (en) * | 2021-08-31 | 2021-12-31 | 东风柳州汽车有限公司 | Profiling sliding door and testing method for profiling sliding door |
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2020
- 2020-03-23 CN CN202020374769.0U patent/CN211401692U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865882A (en) * | 2021-08-31 | 2021-12-31 | 东风柳州汽车有限公司 | Profiling sliding door and testing method for profiling sliding door |
| CN113865882B (en) * | 2021-08-31 | 2024-04-19 | 东风柳州汽车有限公司 | Profiling sliding door and testing method for profiling sliding door |
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