General loading device for steering engine

Abstract

The application discloses a general loading device for a steering engine and relates to the technical field of measurement and control, which comprises a bottom plate, a steering engine mounting seat arranged on one side of the bottom plate, a rotatable turntable arranged on the bottom plate, a torsion sensor used for connecting the turntable with a measured steering engine, and a steel wire rope fastened to the outer periphery of the turntable; a spring seat arranged on the bottom plate, a movable movable rod arranged through the spring seat, a spring arranged in the spring seat and sleeved on the movable rod, both ends of the movable rod located outside the spring seat, one end of the movable rod connected with the steel wire rope, one end of the movable rod further connected with an optical grating ruler, and the other end of the movable rod connected with a linear slide rail; and the general loading device for the steering engine is used to solve the problems that the loading device cannot adapt to steering engines of different sizes, the loading torque is not easy to adjust, and the steering angle of the steering engine is inconvenient to observe.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of measurement and control, and more particularly relates to a general loading device for a rudder. BACKGROUND

[0002] A rudder is a position (angle) servo driver, which is suitable for a control system requiring angle change and keeping.

[0003] A traditional rudder loading device is set for a certain type of rudder, and cannot meet the needs of multiple types; secondly, the loading torque value of the rudder is fixed, and the torque cannot be conveniently and quickly adjusted; finally, the rotation angle indicating structure is relatively complex in the loading process, and it is difficult to observe the corresponding data results in real time, and mass rapid testing cannot be achieved. SUMMARY

[0004] The application aims at the deficiencies in the prior art, and provides a general loading device for a rudder, which is used to solve the problems that the loading device cannot adapt to different sizes of rudders, the loading torque is not easy to adjust, and the rudder rotation angle is inconvenient to observe.

[0005] In order to achieve the above-mentioned purpose, the application provides a general loading device for a rudder, which comprises:

[0006] A bottom plate is provided with a rudder mounting seat on one side, a rotatable turntable is arranged on the bottom plate, the turntable is used to be connected with a measured rudder through a torque sensor, and a steel wire rope is fastened to the outer periphery of the turntable;

[0007] A spring seat is arranged on the bottom plate, a movable movable rod is arranged to penetrate the spring seat, a spring is arranged in the spring seat and sleeved on the movable rod, both ends of the movable rod are located outside the spring seat, one end of the movable rod is connected with the steel wire rope, one end of the movable rod is also connected with a grating ruler, and the other end of the movable rod is connected with a linear slide rail.

[0008] Optionally, a containing cavity is arranged in the spring seat, the containing cavity is in communication with the outside of one end of the spring seat, a limiting nut is screwed to one end of the spring seat, and the limiting nut can limit the spring in the containing cavity.

[0009] Optionally, first and second linear bearings are arranged at both ends of the spring seat, respectively, the other end of the spring seat is connected with the movable rod through the first linear bearing, and the movable rod is connected with the linear slide rail through the second linear bearing.

[0010] Optionally, the output shaft of the measured rudder is connected with the torque sensor through an adapter.

[0011] Optionally, the rotating disc is arranged on the support base through rolling bearings, and the rotating disc is connected with the encoder.

[0012] Optionally, positive and negative screw adjusting mechanisms are arranged on the steel wire ropes on the upper side and the lower side of the rotating disc respectively.

[0013] Optionally, a guide wheel base is further arranged on the bottom plate, two guide rails are arranged on the guide wheel base in the vertical direction, and the steel wire ropes pass between the two guide rails and are connected with the movable rod.

[0014] Optionally, two ends of the grating ruler are connected with the guide wheel base and the spring base respectively, and the code scanning head of the grating ruler is connected with one end of the movable rod.

[0015] Optionally, a protective cover is arranged on the bottom plate.

[0016] Optionally, the material of the spring is 65Mn spring steel.

[0017] The application provides a universal loading device for a rudder machine, and has the following beneficial effects:

[0018] 1. In the universal loading device, the rudder machine and the rudder machine mounting base are detachably connected, the spring is limited in the accommodating cavity of the spring base through the limiting nut, when different rudder machines and springs need to be replaced, the rudder machine can be detached from the rudder machine mounting base only by disconnecting the adapter and the rudder machine, and the replacement of the spring can be realized only by taking the limiting nut off the spring base.

[0019] 2. In the universal loading device, when different models of rudder machines need to be tested, different rudder machine mounting bases and adapters need to be replaced, so that the universality of the universal loading device can be improved.

[0020] 3. In the universal loading device, springs with different elastic values are placed in the spring base, the spring and the movable rod are connected to move synchronously, when the steel wire rope pulls the movable rod, the spring can give different elastic forces to realize the dynamic adjustment of different loading torque coefficients and meet the demand of loading different torques on the rudder machine.

[0021] 4. The universal loading device adopts a modular and open structure design, and is convenient for disassembly, observation, replacement and maintenance.

[0022] Other features and advantages of the application will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout the figures, and in which:

[0024] Figure 1 Fig. 1 shows a structural schematic diagram of a universal loading device for a steering engine according to an embodiment of the present application.

[0025] Figure 2 Fig. 2 shows a top view of Figure 1 Fig. 3 shows a front view of

[0026] BRIEF DESCRIPTION OF DRAWINGS

[0027] 1, support seat; 2, rotating disc; 3, encoder; 4, steel wire rope; 5, guide wheel; 6, guide wheel seat; 7, grating ruler; 8, movable rod; 9, spring seat; 10, second linear bearing; 11, linear guide rail; 12, measured steering engine; 13, torque sensor; 14, spring; 15, limit nut; 16, protective cover. DETAILED DESCRIPTION

[0028] Preferred embodiments of the present application will be described in more detail below. Although the following describes preferred embodiments of the present application, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application is more thoroughly and completely conveyed to those skilled in the art, and so that the scope of the present application is fully conveyed to those skilled in the art.

[0029] The present application provides a universal loading device for a steering engine, comprising:

[0030] a bottom plate provided with a steering engine mounting seat on one side, the bottom plate being provided with a rotatable rotating disc, the rotating disc being used to connect with a measured steering engine through a torque sensor, the outer periphery of the rotating disc being fastened with a steel wire rope;

[0031] a spring seat provided on the bottom plate, the spring seat being provided with a movable movable rod penetrating therein, the spring seat being provided with a spring sleeved on the movable rod, both ends of the movable rod being located outside the spring seat, one end of the movable rod being connected with the steel wire rope, one end of the movable rod being further connected with a grating ruler, the other end of the movable rod being connected with a linear guide rail.

[0032] Specifically, the loading device comprises a base plate and a rudder mounting seat, the rudder mounting seat is arranged on one end side of the base plate, a rotating disc is arranged on one end of the rudder mounting seat, a steel wire is fixedly arranged on the rotating disc, the rotating disc can be rotated under the driving of the rudder, so that the steel wire on the upper side or the lower side of the rotating disc can pull the movable rod, a spring is arranged between the middle part of the movable rod and the spring seat, the spring limits the movement of the movable rod in the spring seat, the spring applies the elastic force to the movable rod, so that the torque can be applied to the measured rudder.

[0033] Optionally, the spring seat is provided with a containing cavity, the containing cavity is in communication with the outside of one end of the spring seat, and one end of the spring seat is screwed with a limiting nut, the limiting nut can limit the spring in the containing cavity.

[0034] Specifically, the spring seat is provided with a containing cavity for placing the spring, when the spring with different elastic forces is arranged in the containing cavity, the spring is fixed relative to the movable rod, and the spring limits the movement of the movable rod in the spring seat; when different torques need to be loaded to the rudder, the limiting nut can be detached from the spring seat, then the extended part of the movable rod is disconnected from the movable rod, so that the spring can be separated from the movable rod, and the spring with the required torque coefficient can be replaced.

[0035] Optionally, the two ends of the spring seat are respectively provided with a first linear bearing and a second linear bearing, the other end of the spring seat is connected with the movable rod through the first linear bearing, and the movable rod is connected with the linear guide rail through the second linear bearing.

[0036] Specifically, the spring seat is connected with the movable rod through the first linear bearing, so that the movable rod can smoothly slide in the spring seat, thereby facilitating the pulling of the movable rod by the steel wire; the movable rod and the extended part of the movable rod are connected with the linear guide rail through the second linear bearing at the connecting end of the movable rod and the linear guide rail, when the movable rod is pulled by the steel wire, the movable rod can slide relative to the linear guide rail, and the linear guide rail does not bring resistance to the movement of the movable rod; when the spring needs to be replaced, the movable rod and the extended part thereof can be disconnected, the linear guide rail abuts against the end ball of the extended part of the movable rod, so that the linear guide rail can drive the extended part of the movable rod to move away from the spring seat, thereby separating the spring from the movable rod, and facilitating the replacement of the spring with different torque coefficients.

[0037] Optionally, the output shaft of the measured rudder is connected with the torque sensor through an adapter.

[0038] Specifically, the measured rudder is connected with the torque sensor through the adapter, and the measured rudder can be replaced only by separating the adapter from the rudder.

[0039] Optionally, the rotating disc is arranged on the support seat through a rolling bearing, and the rotating disc is connected with an encoder.

[0040] Specifically, the encoder can convert the angular displacement of the rotating disc into an electrical signal and transmit and store the electrical signal.

[0041] Optionally, positive and negative screw adjusting mechanisms are arranged on the upper and lower sides of the steel wire rope.

[0042] Specifically, the positive and negative screw adjusting mechanisms can adjust the tension of the steel wire rope on the upper and lower sides of the rotating disc. Before the rudder needs to be loaded for testing, the steel wire rope needs to be adjusted to a taut state, so that the loading torque of the spring can be completely applied to the rotating disc. When the spring needs to be replaced, the steel wire rope is adjusted to a slack state to avoid the separation of the movable rod and the spring seat when the movable rod and the extension part are disconnected.

[0043] Optionally, the bottom plate is further provided with a guide wheel seat, two guide rails are arranged on the guide wheel seat in the vertical direction, and the steel wire rope passes between the two guide rails and is connected with the movable rod.

[0044] Specifically, the guide wheel seat and the guide wheel cooperate with each other to change the pulling direction of the steel wire rope on the upper and lower sides of the rotating disc, combine them into one direction, and connect them with one movable rod, and limit the movement direction of the steel wire rope. According to the characteristics of the rudder rotation angle and the rotation range, two movable rods are not needed to load torque in two directions of the rudder.

[0045] Optionally, the two ends of the grating ruler are connected with the guide wheel seat and the spring seat respectively, and the code scanning head of the grating ruler is connected with one end of the movable rod.

[0046] Specifically, the compression distance of the movable rod to the spring can be calculated by the moving distance of the movable rod on the spring seat, which is convenient for testing the rudder.

[0047] Optionally, a protective cover is arranged on the bottom plate.

[0048] Optionally, the material of the spring is 65Mn spring steel.

[0049] Specifically, when the loading torque of the rudder is tested, in order to avoid the fracture of the device, a protective cover is installed outside the bottom plate to protect the test personnel. In the loading device, the guide wheel seat and the spring seat are made of stainless steel, the spring is made of 65Mn spring steel, and the remaining structural parts are made of aluminum alloy, so as to improve the use strength of the loading device.

[0050] Embodiment

[0051] As Figures 1 to 2As shown, the application provides a universal loading device for steering engine, before loading test of steering engine, the measured steering engine 12 is installed on the steering engine mounting seat, the measured steering engine 12 is connected with torque sensor 13 through adapter, the torque sensor 13 is connected with the rotating disc 2, the rotating disc 2 is rotatably arranged on the support seat 1, the rotating disc 2 is also connected with the encoder 3, for recording the rotation angle data of the steering engine, in addition, the spring 14 with required loading torque coefficient is installed in the spring seat 9, and the spring 14 is limited in the spring seat 9 by the limiting nut 15, so that the spring 9 can exert elastic force on the movable rod 8 to hinder the movable rod 8 from moving under the pulling of the steel wire rope 4; when the steering engine is loaded, the measured steering engine 12 drives the rotating disc 2 to rotate, so that the steel wire rope 4 fixed on the rotating disc 2 pulls the movable rod 8, the grating ruler 7 can detect the compression distance of the movable rod 8 to the spring 14 while the movable rod 8 moves, the first linear bearing and the second linear bearing 10 are arranged on the movable rod 8, so that the friction of the linear guide rail 11 and the spring seat 9 to the movable rod 8 is reduced; when the spring 14 needs to be replaced, the limiting nut 15 on the spring seat 9 can be removed, then the movable rod 8 is disconnected with the extension part, the extension part is moved away from the spring seat 9 through the linear guide rail 11, so that the spring 14 can be taken out from the spring seat, and other elastic force spring is replaced.

[0052] The above has described the embodiments of the application, the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A universal loading device for a steering engine, characterized in that The utility model relates to a rudder test device, including: a bottom plate is provided with a rudder installation seat on one side, a rotatable turntable is arranged on the bottom plate, the turntable is used for being connected with a measured rudder through a torque sensor, a steel wire rope is fastened to the periphery of the turntable; a spring seat is arranged on the bottom plate, a movable movable rod is arranged in the spring seat, a spring is arranged in the spring seat and sleeved on the movable rod, both ends of the movable rod are located outside the spring seat, one end of the movable rod is connected with the steel wire rope, one end of the movable rod is also connected with a grating ruler, the other end of the movable rod is connected with a linear slide rail; a containing cavity is arranged in the spring seat, the containing cavity is communicated with the outside of one end of the spring seat, a limiting nut is screwed on one end of the spring seat, the limiting nut can limit the spring in the containing cavity; a guide wheel seat is further arranged on the bottom plate, two guide wheels are vertically arranged on the guide wheel seat, the steel wire rope passes between the two guide wheels and is connected with the movable rod; both ends of the grating ruler are connected with the guide wheel seat and the spring seat respectively, and the code scanning head of the grating ruler is connected with one end of the movable rod. The steel wire ropes on the upper side and the lower side of the turntable are combined to one direction and connected with the movable rod.

2. The universal loading device for steering motors according to claim 1, characterized in that First and second linear bearings are arranged at both ends of the spring seat respectively, the other end of the spring seat is connected with the movable rod through the first linear bearing, and the movable rod is connected with the linear slide rail through the second linear bearing.

3. The universal loading device for steering motors according to claim 1, characterized in that The output shaft of the measured rudder is connected with the torque sensor through an adapter.

4. The universal loading device for steering motors according to claim 1, characterized in that The turntable is arranged on a support seat through a rolling bearing, and the turntable is connected with an encoder.

5. The universal loading device for steering motors according to claim 1, wherein Positive and negative screw rod adjusting mechanisms are arranged on the steel wire ropes on the upper side and the lower side of the turntable respectively.

6. The universal loading device for steering motors according to claim 1, characterized in that A protective cover is arranged on the bottom plate.

7. The universal loading device for steering motors according to claim 1, wherein The material of the spring is 65Mn spring steel.

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