A dynamic detection device with a pressurized rotating device

Abstract

The present invention discloses a dynamic detection device with a pressurized rotating device, characterized in that it includes: a rotary pressurizing device, a counterweight decompression device, a rotary drive device, and a joint surface measuring mechanism. The rotary pressurizing device includes: a first loading cylinder, an adjusting screw, a movable roller, a second loading cylinder, a pressurizing device mounting frame, a loading arm, a loading force sensor measuring device, a floating pressure head, and a rotary cylinder. The counterweight decompression device includes: a chain, a sprocket, a counterweight block, a limit bracket, a mounting seat, a connecting plate, a guide column, and a guide sleeve. The rotary drive device includes: a reduction motor, a torque sensor, a rotating axis, and a flexible plug-in shaft. The joint surface measuring mechanism is located below the rotary drive device, and includes: a reference plate, a pneumatic pen-type sensor, and a mounting plate. The present invention solves the problem that when mechanical parts are working, there is a deviation between the measured value and the true value, and the selected gasket is too small, resulting in excessive internal clearance after assembly.

Description

Technical Field

[0001] The invention relates to the field of mechanical parts measurement, and in particular to a dynamic detection device with a pressurizing rotating device. Background Art

[0002] In the prior art, the measurement of mechanical parts is usually carried out under static conditions. In this case, there will be a large error between the measured value and the actual working state of the part. This error will affect the tightness of the combination between the parts and mislead the selection of gaskets between the parts, thereby causing greater wear between the parts during operation, affecting the smoothness of the entire mechanical operation and the service life of the machine. Summary of the invention

[0003] In order to solve the problems existing in the prior art, the present invention proposes a dynamic detection device with a pressurized rotating device, which can realize measurement when simulating the pressure working conditions of parts, obtain more accurate measurement values, and reduce measurement errors.

[0004] The specific scheme for achieving the above purpose is as follows: A dynamic detection device with a pressurized rotating device includes: a rotating pressurizing device, a counterweight decompression device, a rotating driving device, and a joint surface measuring mechanism.

[0005] The rotary pressurizing device includes: a first loading cylinder, an adjusting screw, a movable roller, a second loading cylinder, a pressurizing device mounting frame, a loading arm, a loading force sensor measuring port, a floating pressure head, and a rotating cylinder; the first loading cylinder is mounted on the loading arm; the movable roller is mounted on the pressurizing mounting bracket, one end of the adjusting screw is connected to the movable roller, and the other end is connected to the rotating shaft of the loading cylinder; the second loading cylinder is connected to the movable roller and is mounted on the lower side of the movable roller; a slide rail is provided on the loading arm, and the loading force sensor measuring device is arranged on the slide rail; the rotating cylinder is arranged at the first loading cylinder; the floating pressure head is installed at the bottom end of the loading arm; the pressurizing device mounting frame is connected to the loading arm through a rotating shaft.

[0006] The counterweight decompression device includes: a chain, a sprocket, a counterweight block, a limit bracket, a mounting seat, a connecting plate, a guide column and a guide sleeve; the counterweight block is arranged on both sides of the rotary drive device, and each side of the counterweight block is equipped with a sprocket and a chain, and moves up and down driven by the sprocket and the chain; the sprocket and the chain cooperate with each other and are installed on the mounting seat; the guide sleeve is sleeved on the lower side of the guide column, and the guide column and the guide sleeve are located on the lower side of the connecting plate.

[0007] The rotary drive device includes: a reduction motor, a torque sensor, a rotating shaft, and a flexible plug-in shaft; the reduction motor is arranged below the first loading cylinder; the torque sensor is connected to the reduction motor; the rotating shaft is connected to the torque sensor through a connecting sleeve and is arranged below the torque sensor; the flexible plug-in shaft is connected below the rotating shaft.

[0008] The joint surface measuring mechanism is located below the rotary drive device and comprises: a reference plate, an air-operated pen-type sensor, and a mounting plate; the air-operated pen-type sensor is arranged on the mounting plate.

[0009] Furthermore, the rotating axis includes: a keyway rotating shaft, a mounting flange, and a position sensing sleeve; the keyway rotating shaft is provided with side wings on the upper part, a keyway is provided on the bottom, and a spring is sleeved above the side wings of the keyway rotating shaft; the mounting flange is arranged on the outer side of the side wings of the keyway rotating shaft, and a deep groove ball bearing is arranged between the keyway rotating shaft and the mounting flange; a bearing outer ring pressure plate is arranged below the mounting flange, and a bearing inner ring pressure plate is arranged on the side of the bearing outer pressure plate close to the keyway rotating shaft; the position sensing sleeve is arranged below the lower plate of the bearing inner ring and is sleeved on the outside of the keyway rotating shaft; a limit sleeve is provided on the upper side wing of the keyway rotating shaft.

[0010] Furthermore, the upper end of the flexible plug-in shaft is an insertion rod, and the lower end is provided with an insertion opening.

[0011] Furthermore, the loading arm is a C-shaped loading arm, and the floating pressure head is located at the end of the bottom of the C-shaped loading arm.

[0012] Furthermore, tightening cylinders are provided on both sides of the mounting plate.

[0013] Furthermore, the upper end of the pneumatic pen-type sensor is a sensing pen tip, the outer sleeve of the pen tip is connected to a first spring, and the lower end of the pneumatic pen-type sensor is connected to a second spring.

[0014] Furthermore, the counterweight block is located on the tray, and a limit bracket is arranged under the counterweight block to limit the position where the counterweight block descends.

[0015] Furthermore, the floating pressure head includes a floating head, an adjustment plate, a pressure head and a connecting spring; the floating head is located on the upper side of the adjustment plate, and the pressure head is located on the upper side of the floating head. The adjustment plate and the pressure head are both provided with grooves matching the floating head. The adjustment plate and the pressure head cooperate so that the floating head is embedded in the circular hole formed by the combination of the adjustment plate and the pressure head; the adjustment plate and the pressure head are connected by a connecting spring.

[0016] Furthermore, there are three pneumatic pen-type sensors arranged on the periphery of the rotation drive device.

[0017] The working principle of the present invention is as follows: the mounting seat in the counterweight decompression device is fixed on the platform, the tray is linked to the measuring port of the loading force sensor through a chain, the limit bracket is fixed on the mounting seat, and plays a guiding and limiting role. The loading force can be adjusted by adding a counterweight. The first loading cylinder applies pressure to the connecting plate, and the connecting plate transmits the pressure to the probe through the guide column and guide sleeve. A pressure sensor connector is reserved above the connecting plate, and the loading force can be accurately measured; the pressure can then be adjusted by adding or removing the counterweight.

[0018] The reduction motor in the rotary pressurizing device is fixed on the reference plate through the mounting seat, and the flexible plug-in mechanism is connected through the torque sensor. The flexible plug-in mechanism has an elastic retraction function, which effectively avoids damage to the workpiece surface. The plug-in mechanism is mounted on the reference plate through a flange and connected to the central shaft through a deep groove ball bearing. The shaft contains a limit sleeve, spring, and bushing to achieve flexible contact of the plug-in shaft. The open plug-in is equipped with a positioning ring to achieve centering and rotation functions.

[0019] The rotating mechanism is fixed on the equipment and realizes automatic rotation through the automatic rotating cylinder. After the part rises to the measuring position, the rotating cylinder is tightened, the mechanism rotates into place, the clamping cylinder is clamped, the floating pressure head contacts the bottom surface of the part, and pressure is applied. The driving shaft drives the part differential axis to rotate and measure the distance. After the measurement, the loading cylinder is released, the floating pressure head is separated from the workpiece, the rotating cylinder is pushed out, the measuring table is lowered, and the workpiece is put back.

[0020] The loading force sensor measuring device descends to the measuring position, the clamping cylinder clamps the workpiece, the reduction motor lifts the floating pressure head, the rotating mechanism is fixed on the equipment, and the automatic rotation is realized by the automatic rotating cylinder. After the part rises to the measuring position, the rotating cylinder is tightened, the mechanism rotates in place, the clamping cylinder is clamped, the floating pressure head contacts the bottom surface of the part, and pressure is applied. The drive shaft drives the part differential axis to rotate and measure the distance. After the measurement is completed, the loading cylinder is released, the floating pressure head is separated from the workpiece, the rotating cylinder is ejected, the measuring table is lowered, and the workpiece is put back. The flexible plug-in and pull-out shaft is flexible to avoid damage to the workpiece, and the floating measuring head improves the measurement accuracy.

[0021] The beneficial effects of the present invention are:

[0022] 1. The present invention solves the problem that when mechanical parts are working, the surface bears a certain load, the value during measurement deviates from the value under the actual working state, and the selected gasket is too small, resulting in excessive internal clearance after assembly, which affects the efficiency and life of the gearbox;

[0023] 2. The present invention solves the problem that the magnitude of the force cannot be adjusted after the force is applied to the workpiece surface during measurement. After adjustment, the measurement condition is closer to the actual condition of the part, and the measurement value is more realistic;

[0024] 3. The present invention drives the mechanical parts to rotate through the reducer to achieve dynamic measurement, and the torque of the reducer can be accurately measured. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of a dynamic detection device with a pressurized rotating device;

[0026] Figure 2 Schematic diagram of the rotary pressurizing device structure;

[0027] Figure 3 Schematic diagram of the structure of the counterweight pressure relief device;

[0028] Figure 4 Schematic diagram of the structure of the rotary drive device;

[0029] Figure 5 Schematic diagram of the flexible plug-in shaft structure;

[0030] Figure 6 Schematic diagram of floating head structure.

[0031] In the figure: first loading cylinder 1, adjusting screw 2, moving roller 3, second loading cylinder 4, pressure device mounting frame 5, loading arm 6, loading force sensor measuring device 7, floating pressure head 8, rotating cylinder 9, loading cylinder rotating shaft 10, slide rail 11, rotating shaft 12, chain 13, sprocket 14, counterweight 15, limit bracket 16, mounting seat 17, connecting plate 18, guide column 19, guide sleeve 20, reduction motor 21, torque sensor 22, Rotating axis 23, flexible plug-in shaft 24, insertion rod 25, plug-in port 26, keyway rotating shaft 27, mounting flange 28, position sensing sleeve 29, wing 30, keyway 31, spring 32, deep groove ball bearing 33, bearing outer ring pressure plate 34, bearing inner ring pressure plate 35, limit sleeve 36, floating head 37, adjustment plate 38, pressure head 39, connecting spring 40, reference plate 41, pneumatic pen type sensor 42, mounting plate 43, tightening cylinder 44. DETAILED DESCRIPTION

[0032] In order to facilitate understanding by those skilled in the art, the present invention is described in detail below with reference to specific drawings and embodiments.

[0033] like Figure 1 and Figure 2 As shown, a dynamic detection device with a pressurized rotating device is characterized in that it includes: a rotating pressurizing device, a counterweight decompression device, a rotating driving device, and a joint surface measuring mechanism.

[0034] The rotary pressurizing device includes: a first loading cylinder 1, an adjusting screw 2, a moving roller 3, a second loading cylinder 4, a pressurizing device mounting frame 5, a loading arm 6, a loading force sensor measuring device 7, a floating pressure head 8, and a rotating cylinder 9; the first loading cylinder is mounted on the loading arm; the moving roller is mounted on the pressurizing mounting bracket, one end of the adjusting screw is connected to the moving roller, and the other end is connected to the loading cylinder rotating shaft 10; the second loading cylinder is connected to the moving roller and is mounted on the lower side of the moving roller; a slide rail 11 is provided on the loading arm, and the loading force sensor measuring device is arranged on the slide rail; the rotating cylinder is arranged at the first loading cylinder; the loading arm is a C-shaped loading arm, and the floating pressure head is located at the end of the bottom of the C-shaped loading arm. The pressurizing device mounting frame is connected to the loading arm through a rotating shaft 12.

[0035] like Figure 3 As shown, the counterweight decompression device includes: a chain 13, a sprocket 14, a counterweight 15, a limit bracket 16, a mounting seat 17, a connecting plate 18, a guide column 19 and a guide sleeve 20; the counterweight is arranged on both sides of the rotary drive device, and each side of the counterweight is equipped with a sprocket and a chain, and moves up and down driven by the sprocket and the chain; the sprocket and the chain cooperate with each other and are installed on the mounting seat; the guide sleeve is sleeved on the lower side of the guide column, and the guide column and the guide sleeve are located on the lower side of the connecting plate. A limit bracket is arranged under the counterweight.

[0036] like Figure 4 As shown, the rotary drive device includes: a reduction motor 21, a torque sensor 22, a rotating shaft 23, and a flexible plug-in shaft 24; the reduction motor is arranged below the first loading cylinder; the torque sensor is connected to the reduction motor; the rotating shaft is connected to the torque sensor through a connecting sleeve and is arranged below the torque sensor; the flexible plug-in shaft is connected below the rotating shaft.

[0037] like Figure 5 As shown, the upper end of the flexible plug-in shaft is an insertion rod 25, and the lower end is provided with a plug-in port 26. The rotating shaft includes: a keyway shaft 27, a mounting flange 28, and a position sensing sleeve 29; the upper part of the keyway shaft is provided with a side wing 30, the bottom is provided with a keyway 31, and a spring 32 is sleeved above the side wing of the keyway shaft; the mounting flange is arranged on the outer side of the side wing of the keyway shaft, and a deep groove ball bearing 33 is arranged between the keyway shaft and the mounting flange; a bearing outer ring pressure plate 34 is arranged below the mounting flange, and a bearing inner ring pressure plate 35 is arranged on the side of the bearing outer pressure plate close to the keyway shaft; the position sensing sleeve is arranged below the lower plate of the bearing inner ring and sleeved outside the keyway shaft; a limit sleeve 36 is arranged on the upper side wing of the keyway shaft.

[0038] like Figure 6As shown, the floating pressure head includes a floating head 37, an adjustment plate 38, a pressure head 39 and a connecting spring 40; the floating head is located on the upper side of the adjustment plate, and the pressure head is located on the upper side of the floating head. The adjustment plate and the pressure head are both provided with grooves matching the floating head. The adjustment plate and the pressure head cooperate so that the floating head is embedded in the circular hole formed by the combination of the adjustment plate and the pressure head; the adjustment plate and the pressure head are connected by a connecting spring.

[0039] like Figure 1 As shown, the joint surface measuring mechanism is located below the rotary drive device and includes: a reference plate 41, an air-operated pen-type sensor 42, and a mounting plate 43; the air-operated pen-type sensor is arranged on the mounting plate. Tightening cylinders 44 are arranged on both sides of the mounting plate.

Claims

1. A dynamic detection device with a pressurized rotating device, characterized in that: include: Rotary pressurizing device, counterweight decompression device, rotary drive device, joint surface measuring mechanism; The rotary pressurizing device comprises: a first loading cylinder, an adjusting screw, a movable roller, a second loading cylinder, a pressurizing device mounting frame, a loading arm, a loading force sensor measuring device, a floating pressure head, and a rotating cylinder; the first loading cylinder is mounted on the loading arm; the movable roller is mounted on the pressurizing mounting bracket, one end of the adjusting screw is connected to the movable roller, and the other end is connected to the rotating shaft of the loading cylinder; the second loading cylinder is connected to the movable roller and is mounted on the lower side of the movable roller; a slide rail is provided on the loading arm, and the loading force sensor measuring device is arranged on the slide rail; the rotating cylinder is arranged at the first loading cylinder; the floating pressure head is mounted at the bottom end of the loading arm; the pressurizing device mounting frame is connected to the loading arm through a rotating shaft; The counterweight decompression device comprises: a chain, a sprocket, a counterweight, a limit bracket, a mounting seat, a connecting plate, a guide column and a guide sleeve; the counterweight is arranged on both sides of the rotary drive device, and each side of the counterweight is equipped with a sprocket and a chain, and moves up and down driven by the sprocket and the chain; the sprocket and the chain cooperate with each other and are installed on the mounting seat; the guide sleeve is sleeved on the lower side of the guide column, and the guide column and the guide sleeve are located on the lower side of the connecting plate; a pressure sensor connector is reserved above the connecting plate; The rotary drive device comprises: a reduction motor, a torque sensor, a rotating shaft, and a flexible plug-in shaft; the reduction motor is arranged below the first loading cylinder; the torque sensor is connected to the reduction motor; the rotating shaft is connected to the torque sensor through a connecting sleeve and is arranged below the torque sensor; the flexible plug-in shaft is connected below the rotating shaft; The joint surface measuring mechanism is located below the rotary drive device and comprises: a reference plate, an air-operated pen-type sensor, and a mounting plate; the air-operated pen-type sensor is arranged on the mounting plate.

2. A dynamic detection device with a pressurized rotating device as claimed in claim 1, characterized in that: The rotating axis includes: a keyway rotating shaft, a mounting flange, and a position sensing sleeve; the keyway rotating shaft is provided with side wings on the upper part, a keyway is provided on the bottom, and a spring is sleeved above the side wings of the keyway rotating shaft; the mounting flange is arranged on the outer side of the side wings of the keyway rotating shaft, and a deep groove ball bearing is arranged between the keyway rotating shaft and the mounting flange; a bearing outer ring pressure plate is arranged below the mounting flange, and a bearing inner ring pressure plate is arranged on the side of the bearing outer pressure plate close to the keyway rotating shaft; the position sensing sleeve is arranged below the lower plate of the bearing inner ring and sleeved on the outside of the keyway rotating shaft; a limit sleeve is provided on the upper side wing of the keyway rotating shaft.

3. A dynamic detection device with a pressurized rotating device as claimed in claim 2, characterized in that: The upper end of the flexible plug-in shaft is an insertion rod, and the lower end is provided with an insertion opening.

4. A dynamic detection device with a pressurized rotating device as claimed in claim 1, characterized in that: The loading arm is a C-shaped loading arm, and the floating pressure head is located at the end of the bottom of the C-shaped loading arm.

5. A dynamic detection device with a pressurized rotating device as claimed in claim 1, characterized in that: Tightening cylinders are arranged on both sides of the mounting plate.

6. A dynamic detection device with a pressurized rotating device as claimed in claim 1, characterized in that: The upper end of the pneumatic pen-type sensor is a sensing pen head, the outer sleeve of the pen head is connected to a first spring, and the lower end of the pneumatic pen-type sensor is connected to a second spring.

7. A dynamic detection device with a pressurized rotating device as claimed in claim 1, characterized in that: A limiting bracket is arranged under the counterweight block.

8. A dynamic detection device with a pressurized rotating device as claimed in claim 1, characterized in that: The floating pressure head includes a floating head, an adjustment plate, a pressure head and a spring; the floating head is located on the upper side of the adjustment plate, and the pressure head is located on the upper side of the floating head. The adjustment plate and the pressure head are both provided with grooves matching the floating head. The adjustment plate and the pressure head cooperate so that the floating head is embedded in the circular hole formed by the combination of the adjustment plate and the pressure head; the adjustment plate and the pressure head are connected by a spring.

9. A dynamic detection device with a pressurized rotating device as claimed in claim 1, characterized in that: The counterweight is located on the tray.

10. A dynamic detection device with a pressurized rotating device as claimed in claim 1, characterized in that: There are three pneumatic pen-type sensors arranged on the periphery of the rotation drive device.

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