CN219416526U - Drag force detection device - Google Patents

Abstract

The utility model provides a drag force detection device which is used for detecting drag force of an air disc brake and comprises a frame, a rotary driver, a simulation disc, a torque sensor, a proximity sensor, a brake mounting mechanism and an air chamber mounting mechanism, wherein the rotary driver is arranged on the frame and used for driving the simulation disc rotationally connected with the frame to rotate, the torque sensor is used for detecting torque when the simulation disc rotates, the proximity sensor is used for detecting rotation circles of the simulation disc, the brake mounting mechanism is arranged on the frame and used for mounting the air disc brake matched with the simulation disc, and the air chamber mounting mechanism is arranged on the frame and used for mounting an air chamber matched with the air disc brake and used for driving the air disc brake to act. The utility model can improve the accuracy of the drag force detection of the pneumatic disc brake.

Description

Drag force detection device

Technical Field

The utility model relates to the technical field of drag force detection of pneumatic disc brakes, in particular to a drag force detection device.

Background

Compared with the traditional drum brake, the pneumatic disc brake has the advantages of fast heat dissipation, good braking effect, stable braking moment without attenuation, low use cost and the like. After the air disc brake is assembled, the drag performance of the air disc brake is typically required to be checked.

The existing air pressure disc brake is used for detecting the dragging force through a dragging force detection device, however, the dragging force detection device adopts an air chamber to simulate the action of the air pressure disc brake by a pneumatic driving assembly, and the problem that the testing result is inaccurate due to different air chambers exists.

Therefore, it is necessary to develop a drag force detection device to improve the accuracy of the drag force detection of the air disc brake.

Disclosure of Invention

The utility model aims to provide a drag force detection device which is used for solving the problem of low accuracy of drag force detection of an existing air pressure disc brake.

In order to solve the technical problems, the utility model provides a dragging force detection device for detecting the dragging force of an air pressure disc brake, which comprises a frame, a rotary driver, an analog disc, a torque sensor, a proximity sensor, a brake mounting mechanism and an air chamber mounting mechanism, wherein the rotary driver is arranged on the frame and used for driving the analog disc rotationally connected with the frame to rotate, the torque sensor is used for detecting the torque of the analog disc during rotation, the proximity sensor is used for detecting the rotation number of the analog disc, the brake mounting mechanism is arranged on the frame and used for mounting the air pressure disc brake matched with the analog disc, and the air chamber mounting mechanism is arranged on the frame and used for mounting an air chamber matched with the air pressure disc brake and used for driving the air pressure disc brake to act.

Optionally, the air chamber installation mechanism comprises an air chamber placing seat and a two-axis sliding table, wherein the two-axis sliding table is used for driving the air chamber placing seat to lift up and down and move back and forth.

Optionally, the diaxon slip table includes front and back direction subassembly, upper plate, perpendicular direction subassembly and lower plate, the lower plate sets up in the frame, perpendicular direction subassembly sets up on the lower plate, the upper plate sets up on perpendicular direction subassembly's the output, front and back direction subassembly sets up on the upper plate, the air chamber is placed the seat and is set up on the front and back direction subassembly.

Optionally, the front and back guiding component comprises a sliding rod and a sliding sleeve, the sliding rod is connected with the upper bottom plate, the sliding sleeve is in sliding connection with the sliding rod and can slide back and forth relative to the sliding rod, and the sliding sleeve is arranged on the air chamber placing seat.

Optionally, the vertical guide assembly includes guide post and uide bushing, the guide post is fixed on the lower plate, the uide bushing with the guide post cooperation just can be relative the guide post oscilaltion, the uide bushing is fixed on the upper plate.

Optionally, the air chamber mounting mechanism further includes a vertical adjustment assembly, and the vertical adjustment assembly is used for adjusting the height of the upper base plate.

Optionally, the vertical adjustment subassembly includes drive wheel, headstock, main shaft, gear and rack, the headstock is fixed on the lower plate, the main shaft with the headstock rotates to be connected, the drive wheel is used for the drive the main shaft rotates, the gear sets up on the main shaft, the rack with the gear cooperatees, the rack is fixed on the upper plate.

Optionally, the air chamber installation mechanism further comprises a vertical limiting assembly, the vertical limiting assembly comprises a limiting wheel and a limiting claw, the limiting wheel is arranged on the main shaft, and the limiting claw is matched with the limiting wheel to limit the rotation of the limiting wheel.

Optionally, a speed reducer is further included, and the speed reducer is disposed between the rotary driver and the torque sensor.

Optionally, the device further comprises a coupling, wherein the coupling is arranged between the torque sensor and the speed reducer and between the torque sensor and the simulation disc.

The drag force detection device provided by the utility model has the following beneficial effects:

the rotary driver is arranged on the stand and used for driving the simulation disc rotationally connected with the stand to rotate, the torque sensor is used for detecting the torque when the simulation disc rotates, the proximity sensor is used for detecting the rotation circle number of the simulation disc, the brake mounting mechanism is arranged on the stand and used for mounting the air pressure disc brake matched with the simulation disc, and the air chamber mounting mechanism is arranged on the stand and used for mounting an air chamber matched with the air pressure disc brake and used for driving the air pressure disc brake to act, so that the air chamber can be used for driving the air pressure disc brake to act so as to brake the simulation disc driven by the rotary driver, the torque sensor can be used for detecting the torque when the simulation disc is restarted after braking, and the proximity sensor is used for detecting the rotation circle number when the simulation disc is restarted after braking, and dragging force data are obtained; because the air pressure disc brake is directly braked by an air chamber matched with the air pressure disc brake instead of a pneumatic device, the obtained dragging force data has higher accuracy.

Drawings

FIG. 1 is a schematic perspective view of a drag force detection device according to an embodiment of the present utility model;

FIG. 2 is a front view of a drag force detection device in an embodiment of the present utility model;

FIG. 3 is a left side view of a drag force detection device in an embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of a portion of a drag force detection device in accordance with an embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the air chamber mounting mechanism in an embodiment of the utility model;

FIG. 6 is a front view of a plenum mount mechanism in an embodiment of the utility model;

FIG. 7 is a left side view of the plenum mount mechanism in an embodiment of the utility model;

FIG. 8 is a rear view of the plenum mount mechanism in an embodiment of the utility model.

Reference numerals illustrate:

100-frames; 200-a rotary drive; 400-torque sensor; 500-proximity sensors; 600-brake mounting mechanism; 700-air chamber mounting mechanism; 710-a gas cell placement seat; 720-two-axis sliding table; 721-front-rear guide assembly; 722-an upper base plate; 723-a vertical guide assembly; 724-a lower plate; 730-vertical adjustment component; 731-a drive wheel; 733-spindle; 742-limit jaws; 800-speed reducer; 900-coupling.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, 2, 3 and 4, fig. 1 is a schematic perspective view of a drag force detecting device according to an embodiment of the present utility model, fig. 2 is a front view of the drag force detecting device according to an embodiment of the present utility model, fig. 3 is a left side view of the drag force detecting device according to an embodiment of the present utility model, fig. 4 is a partially enlarged schematic view of the drag force detecting device according to an embodiment of the present utility model, the present utility model provides a drag force detecting device, which includes a frame 100, a rotation driver 200, a simulation disc, a torque sensor 400, a proximity sensor 500, a brake mounting mechanism 600, and an air chamber mounting mechanism 700, the rotation driver 200 is disposed on the frame 100 to drive the rotation of the simulation disc rotatably connected to the frame 100, the torque sensor 400 is used to detect a torque when the simulation disc rotates, the proximity sensor 500 is used to detect a rotation number of the simulation disc, the brake mounting mechanism 600 is disposed on the frame 100 to mount the air chamber mounting mechanism 700 is disposed on the frame 100 to mount the air chamber brake associated with the air chamber driving the brake.

Since the rotary driver 200 is disposed on the frame 100 to drive the dummy disc on the frame 100 to rotate, the torque sensor 400 is used to detect the torque when the dummy disc rotates, the proximity sensor 500 is used to detect the number of rotations of the dummy disc, the brake mounting mechanism 600 is disposed on the frame 100 to mount the air pressure disc brake matched with the dummy disc, and the air chamber mounting mechanism 700 is disposed on the frame 100 to mount the air chamber matched with the air pressure disc brake to drive the air pressure disc brake to act, therefore, the air chamber can drive the air pressure disc brake to act to brake the dummy disc driven by the rotary driver 200, and the torque when the dummy disc is restarted after braking can be detected by the torque sensor 400, the number of rotations when the dummy disc is restarted after braking can be detected by the proximity sensor 500, so as to obtain the drag force data; because the air pressure disc brake is directly braked by an air chamber matched with the air pressure disc brake instead of a pneumatic device, the obtained dragging force data has higher accuracy.

Referring to fig. 5, 6, 7 and 8, fig. 5 is a schematic structural view of an air chamber mounting mechanism 700 according to an embodiment of the present utility model, fig. 6 is a front view of the air chamber mounting mechanism 700 according to an embodiment of the present utility model, fig. 7 is a left side view of the air chamber mounting mechanism 700 according to an embodiment of the present utility model, and fig. 8 is a rear view of the air chamber mounting mechanism 700 according to an embodiment of the present utility model, the air chamber mounting mechanism 700 includes an air chamber placing base 710 and a two-axis sliding table 720, and the two-axis sliding table 720 is used for driving the air chamber placing base 710 to move up and down and forward and backward. The installation position of the air chamber can be adjusted according to different air chambers by arranging the two-axis sliding table 720, so that the air chambers of different types are matched with the air pressure disc brake, and the installation of the air chambers of different types can be realized by replacing the different air chamber placing seats 710, so that the applicability of the dragging force detection device can be improved.

The two-axis sliding table 720 comprises a front-rear guiding component 721, an upper bottom plate 722, a vertical guiding component 723 and a lower bottom plate 724, the lower bottom plate 724 is arranged on the frame 100, the vertical guiding component 723 is arranged on the lower bottom plate 724, the upper bottom plate 722 is arranged on the output end of the vertical guiding component 723, the front-rear guiding component 721 is arranged on the upper bottom plate 722, and the air chamber placing seat 710 is arranged on the front-rear guiding component 721. In this way, the vertical guide assembly 723 drives the upper base plate 722 to move up and down, so that the air chamber placing seat 710 can move up and down, and the front and rear guide assembly 721 drives the air chamber placing seat 710 to move back and forth, so that the air chamber mounted on the air chamber placing seat 710 can be adjusted back and forth and up and down.

The front-rear guide component 721 includes a sliding rod and a sliding sleeve, the sliding rod is connected with the upper bottom plate 722, the sliding sleeve is slidably connected with the sliding rod, and can slide back and forth relative to the sliding rod, and the sliding sleeve is disposed on the air chamber placing seat 710.

The vertical guide assembly 723 comprises a guide post and a guide sleeve, the guide post is fixed on the lower bottom plate 724, the guide sleeve is matched with the guide post and can be lifted up and down relative to the guide post, and the guide sleeve is fixed on the upper bottom plate 722.

The plenum mounting mechanism 700 further includes a vertical adjustment assembly 730, the vertical adjustment assembly 730 being configured to adjust the height of the upper floor 722.

The vertical adjustment assembly 730 includes a driving wheel 731, a spindle seat, a spindle 733, a gear, and a rack, where the spindle seat is fixed on the lower base plate 724, the spindle 733 is rotationally connected with the spindle seat, the driving wheel 731 is used to drive the spindle 733 to rotate, the gear is disposed on the spindle 733, the rack is matched with the gear, and the rack is fixed on the upper base plate 722. In this way, the driving wheel 731 drives the spindle 733 to rotate, the spindle 733 drives the gear to rotate, the gear drives the rack to move, and the rack drives the upper plate 722 to move up and down.

The drive roller may be a hand wheel.

The air chamber mounting mechanism 700 further comprises a vertical limiting component, the vertical limiting component comprises a limiting wheel and a limiting claw 742, the limiting wheel is arranged on the main shaft 733, and the limiting claw 742 is matched with the limiting wheel to limit the rotation of the limiting wheel. Thus, when the air chamber placing seat 710 does not need to be adjusted up and down, the vertical limiting component can lock the position of the air chamber placing seat 710 in the up and down direction.

The air chamber mounting mechanism 700 further comprises a front limiting assembly and a rear limiting assembly, wherein the front limiting assembly and the rear limiting assembly comprise a first limiting ring and a second limiting ring, and the first limiting ring and the second limiting ring are locked on the sliding rod and used for limiting the position of the sliding sleeve.

The drag force detection device further includes a decelerator 800, and the decelerator 800 is disposed between the rotation driver 200 and the torque sensor 400.

The drag force detecting device further includes a coupling 900, the coupling 900 being disposed between the torque sensor 400 and the decelerator 800, and between the torque sensor 400 and the dummy disc.

The drag force detection device detects drag force as follows:

step S110, the equipment is connected with an air source, a start button is pressed, and the equipment is started.

Step S120, after the equipment touch screen enters the working interface, an automatic mode is selected.

In step S130, the air pressure disc brake is mounted on the brake mounting mechanism 600.

In step S140, the air chamber placing base 710 for installing the air chamber is installed. The front and rear and up and down positions of the air chamber placing seat 710 are adjusted by the two-axis sliding table 720, so that the positions of the air chamber and the air pressure disc brake are matched.

In step S150, the device starts automatic detection by pressing the start button.

In step S160, the rotation driver 200 drives the dummy disc to rotate.

In step S170, the proximity sensor 500 records a rotation signal and converts the rotation signal into the number of turns of the analog disc. And stopping the rotation of the simulation disc after the set number of turns is reached.

In step S180, the air chamber starts to operate, and stops after the set number of operations is reached.

In step S190, the rotation driver 200 again rotates the dummy disc.

In step S200, the proximity sensor 500 records a rotation signal and converts the rotation signal into the number of turns of the analog disc. The torque sensor 400 collects the moment signals stressed by the analog disc in real time, the dragging force detection device collects signals and converts the signals, and the moment real-time value and the moment curve are displayed on the touch screen.

Step S210, the dragging force detection device automatically calculates and records the rotation turns, the maximum moment and the like, and displays the data on the touch screen.

In step S220, the rotation of the dummy disc reaches the set number of turns, and the rotary driver 200 is stopped.

In step S230, the device automatically determines the detection data, and outputs a determination result (pass or fail), and the corresponding pass lamp is turned on or the buzzer lamp is turned on.

Step S240, the air cell is removed from the air cell mounting mechanism 700.

In step S250, the air pressure disc brake is removed from the brake mounting mechanism 600.

The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.

Claims (10)

1. The utility model provides a drag force detection device for detect pneumatic disc brake drag force, its characterized in that includes frame, rotary actuator, analog dish, torque sensor, proximity sensor, stopper mounting mechanism and air chamber installation mechanism, rotary actuator sets up be used for in the frame drive with the frame rotates the analog dish of being connected rotates, torque sensor is used for detecting the moment of torsion when the analog dish rotates, proximity sensor is used for detecting the number of turns of rotation of analog dish, stopper installation mechanism sets up be used for in the frame install with analog dish complex air pressure disc brake, air chamber installation mechanism sets up be used for in the frame install with the supporting drive of air pressure disc brake action's of air pressure disc brake air chamber.

2. The drag force detection device of claim 1, wherein the air chamber mounting mechanism comprises an air chamber placement seat and a two-axis sliding table for driving the air chamber placement seat to move up and down and back and forth.

3. The drag force detecting device according to claim 2, wherein the two-axis sliding table includes a front-rear guide member, an upper base plate, a vertical guide member, and a lower base plate provided on the frame, the vertical guide member is provided on the lower base plate, the upper base plate is provided on an output end of the vertical guide member, the front-rear guide member is provided on the upper base plate, and the air chamber placing seat is provided on the front-rear guide member.

4. A drag force detecting device as in claim 3, wherein said front and rear guide members include a slide bar and a slide sleeve, said slide bar being connected to said upper base plate, said slide sleeve being slidably connected to said slide bar and being slidable back and forth relative to said slide bar, said slide sleeve being disposed on said air cell placement base.

5. A drag force detecting device as in claim 3, wherein said vertical guide assembly comprises a guide post and a guide sleeve, said guide post being fixed to said lower base plate, said guide sleeve being engaged with said guide post and being movable up and down relative to said guide post, said guide sleeve being fixed to said upper base plate.

6. The drag force detection device of claim 5, wherein the air cell mounting mechanism further comprises a vertical adjustment assembly for adjusting the height of the upper floor.

7. The drag force detecting device of claim 6, wherein the vertical adjustment assembly comprises a driving wheel, a spindle base, a spindle, a gear and a rack, wherein the spindle base is fixed on the lower base plate, the spindle is rotatably connected with the spindle base, the driving wheel is used for driving the spindle to rotate, the gear is arranged on the spindle, the rack is matched with the gear, and the rack is fixed on the upper base plate.

8. The drag force detection device of claim 7, wherein the air chamber mounting mechanism further comprises a vertical limit assembly comprising a limit wheel and a limit jaw, the limit wheel being disposed on the spindle, the limit jaw cooperating with the limit wheel for limiting rotation of the limit wheel.

9. The drag force detection device of claim 1, further comprising a decelerator disposed between the rotary drive and the torque sensor.

10. The drag force detecting device according to claim 9, further comprising a coupling provided between the torque sensor and the decelerator, and between the torque sensor and the dummy disc.