Pressure-adjustable hanging device for crankshaft online measurement

Abstract

The utility model relates to the technical field of crankshaft grinding machine measurement, in particular to a pressure-adjustable hanging device for crankshaft online measurement, which comprises a bottom plate, a hydraulic angle motor, a coupling, a first rotating arm, a fixing groove, a first taper sleeve, a connecting shaft, a second taper sleeve, a second rotating arm, a connecting plate, a measuring arm and a probe head. The L-shaped plate is provided with a hydraulic corner motor through a bolt, the outer side of an output shaft of the hydraulic corner motor is sleeved with a coupler, the coupler is connected with a first rotating arm through a bolt, a fixing groove is formed in the right end face of the first rotating arm, a first taper sleeve is installed in the fixing groove, and one end of a connecting shaft is fixed in the first taper sleeve; a taper sleeve II is fixed on the outer side surface of the other end of the connecting shaft; the space in the vertical direction and the space in the horizontal direction are fully utilized, transverse expansion is avoided, the overall structure is more compact, and the situation that the device is difficult to install on the crankshaft grinding machine due to the too large size is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to crankshaft grinder measurement technical field especially relates to a kind of adjustable pressure hanging device for crankshaft online measurement. BACKGROUND

[0002] Crankshaft grinder online measurement device is used for accurately detecting and adjusting engine crankshaft on production line, can realize real-time monitoring and adjustment to crankshaft geometric precision, dynamic balance and other key parameters without affecting normal operation of production line.

[0003] Common crankshaft grinder measurement device, due to complex design, often needs larger physical space to accommodate measurement device, due to large volume, this kind of measurement device often needs to be independently set or specially reserved space, in order to give measurement device enough operating space, other processes can be paused or the distance between equipment is reduced, thereby indirectly reducing the operation efficiency of entire production line.

[0004] Therefore, aiming at the above-mentioned crankshaft grinder measurement device, generally large volume, need to occupy more installation space, often need to be independently set or specially reserved position, to meet its operation demand, other processes can be paused or compressed equipment spacing, thereby affecting the overall layout and operation efficiency of production line Problem, a new type of adjustable pressure hanging device for crankshaft online measurement is urgently needed. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that common crankshaft grinder measurement device is generally large in volume, needs to occupy more installation space, often needs to be independently set or specially reserved position, to meet its operation demand, other processes can be paused or compressed equipment spacing, thereby affecting the overall layout and operation efficiency of production line.

[0006] The technical scheme of the utility model is: a kind of adjustable pressure hanging device for crankshaft online measurement, including bottom plate and hydraulic rotary motor, connecting shaft, rotating arm one, fixed groove, taper sleeve one, connecting shaft, taper sleeve two, rotating arm two, connecting plate, measuring arm and probe head, the upper end of bottom plate is connected with L type plate by bolt, L type plate is installed with hydraulic rotary motor by bolt, the output shaft outside of hydraulic rotary motor is equipped with connecting shaft, connecting shaft is connected with rotating arm one by bolt, the right end surface of rotating arm one is equipped with fixed groove, fixed groove is installed with taper sleeve one in its inside, one end of connecting shaft is fixed in the inside of taper sleeve one, the other end outside surface of connecting shaft is fixed with taper sleeve two, taper sleeve two is connected with rotating arm two outside, the front end surface of rotating arm one and rotating arm two is connected with connecting plate, connecting plate is fixed with measuring arm in its front end surface, probe head is installed in the front end of measuring arm.

[0007] Preferably, when the device is in a non-working state, the measuring arm and probe head are raised to a safe position, which will not interfere with the loading, unloading or other operations of the crankshaft. When ready to measure, the hydraulic rotary motor is started, driving the rotating arm one to rotate through the coupling, so that rotating arm one and rotating arm two turn from the vertical position to the horizontal working position. During this process, the connecting shaft between rotating arm one and rotating arm two ensures the stability and coaxiality between the two arms, while tapered sleeve one and tapered sleeve two ensure the firmness of the connection. When the rotating arm system reaches the designated working position, the probe head approaches the crankshaft and begins to measure the axial position. The measurement data is acquired by the probe head and transmitted to the external controller through integrated electronics for real-time monitoring and analysis. After the measurement is completed, the hydraulic rotary motor rotates in the opposite direction, bringing rotating arm one and rotating arm two back to the vertical position, i.e., the retracted state, to prepare for the next operation or crankshaft movement. All components are arranged three-dimensionally around the base plate, minimizing lateral extension while meeting functional requirements, avoiding the problem of limited space and inconvenience in installation of the crankshaft grinding machine.

[0008] Preferably, the upper end of the base plate is connected to a support base, and a circular groove is opened through the right end face of the support base, with a connecting shaft installed in the groove.

[0009] Preferably, two bearings are installed at each end of the circular groove, and a connecting shaft is rotatably connected inside the bearings.

[0010] Preferably, a sealing cap is installed at each of the left and right ends of the support base, and the two sealing caps are respectively located at the openings at both ends of the circular groove.

[0011] Preferably, a switch bracket is fixed to each of the front and rear end faces of the support base, and a proximity switch is installed on each of the two switch brackets by bolts. A sensing block is installed on the right end face of the rotating arm two.

[0012] Preferably, the proximity switches are arranged symmetrically, and the support base is connected to the base plate by bolts.

[0013] Preferably, a limit frame is installed on the upper end of the base plate, and a buffer is installed in the mounting groove of the limit frame.

[0014] The beneficial effects of this utility model are:

[0015] 1. By starting the hydraulic rotary motor, the coupling drives the rotating arm one to rotate, switching rotating arm one and rotating arm two from the vertical state to the horizontal working position. After reaching the working position, the probe head contacts the crankshaft to measure the axial dimension and transmits the data to the external controller for analysis. All components are laid out based on the base plate, making full use of vertical and horizontal space, avoiding lateral expansion, making the overall structure more compact, and avoiding the device being too large to be difficult to install on the crankshaft grinding machine. The measurement process will not interfere with the crankshaft loading and unloading, gear shifting, and routine grinding operations, ensuring a smooth and continuous production process, and optimizing space occupation to the greatest extent without affecting the original process flow. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of an adjustable pressure lifting device for online crankshaft measurement according to this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of the limiting frame of an adjustable pressure lifting device for online crankshaft measurement according to this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional structural schematic of the switch bracket of an adjustable pressure lifting device for online crankshaft measurement according to this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural schematic of the probe head location of an adjustable pressure lifting device for online crankshaft measurement according to this utility model.

[0020] Figure 5 The diagram shown is a three-dimensional cross-sectional view of an adjustable pressure lifting device for online crankshaft measurement according to this utility model.

[0021] Figure 6 The diagram shown is a three-dimensional cross-sectional view of the support base of an adjustable pressure lifting device for online crankshaft measurement according to this utility model.

[0022] Explanation of reference numerals in the attached drawings: 1. Base plate; 2. L-shaped plate; 3. Hydraulic rotary motor; 4. Coupling; 5. Rotating arm one; 6. Fixing groove; 7. Conical sleeve one; 8. Connecting shaft; 9. Conical sleeve two; 10. Rotating arm two; 11. Connecting plate; 12. Measuring arm; 13. Probe head; 14. Support base; 15. Circular groove; 16. Bearing; 17. Sealing cover; 18. Limit frame; 19. Buffer; 20. Switch bracket; 21. Proximity switch; 22. Sensing block. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please see Figures 1-6 This utility model provides an embodiment: an adjustable pressure lifting device for online crankshaft measurement, comprising a base plate 1, a hydraulic angle motor 3, a coupling 4, a rotating arm 5, a fixing groove 6, a tapered sleeve 7, a connecting shaft 8, a tapered sleeve 9, a rotating arm 10, a connecting plate 11, a measuring arm 12, and a probe head 13. An L-shaped plate 2 is bolted to the upper end of the base plate 1. The hydraulic angle motor 3 is bolted to the L-shaped plate 2. The output shaft of the hydraulic angle motor 3 is sleeved with a coupling 4, which is bolted to... A rotating arm 5 is connected to the device. A fixing groove 6 is formed on the right end face of the rotating arm 5. A conical sleeve 7 is installed inside the fixing groove 6. One end of a connecting shaft 8 is fixed inside the conical sleeve 7. A second conical sleeve 9 is fixed to the outer side of the other end of the connecting shaft 8. A second rotating arm 10 is connected to the outer side of the second conical sleeve 9. A connecting plate 11 is connected to the front ends of the rotating arm 5 and the second rotating arm 10. A measuring arm 12 is fixed to the front end face of the connecting plate 11. A probe head 13 is installed at the front end of the measuring arm 12. When the device is in a non-working state, the measuring arm 12 and the probe head 13 are... The probe 13 is raised to a safe position so as not to interfere with the loading, unloading or other operations of the crankshaft. When ready to measure, the hydraulic rotary motor 3 is started, which drives the rotating arm 5 to rotate through the coupling 4, so that the rotating arm 5 and the rotating arm 10 are turned from the vertical position to the horizontal working position. During this process, the connecting shaft 8 between the rotating arm 5 and the rotating arm 10 ensures the stability and coaxiality between the two arms, while the tapered sleeve 7 and the tapered sleeve 9 ensure the firmness of the connection. When the rotating arm system reaches the designated working position, the probe 13 approaches the crankshaft and begins to measure the axial position. The measurement data is acquired by the probe 13 and transmitted to the external controller through the integrated electronics for real-time monitoring and analysis. After the measurement is completed, the hydraulic rotary motor 3 rotates in the opposite direction, bringing the rotating arm 5 and the rotating arm 10 back to the vertical position, i.e., the retracted state, to prepare for the next operation or the movement of the crankshaft. All components are arranged three-dimensionally around the base plate 1, which minimizes the lateral extension while meeting the functional requirements, avoiding the problem of limited space and inconvenience in installation of the crankshaft grinding machine.

[0025] Please see Figures 1-6In this embodiment, a support base 14 is connected to the upper end of the base plate 1. A circular groove 15 is formed through the right end face of the support base 14, and a connecting shaft 8 is arranged in the circular groove 15. The circular groove 15 on the right end face of the support base 14 is used to accommodate the connecting shaft 8, ensuring that the connecting shaft 8 can rotate smoothly in it. Two bearings 16 are respectively installed at both ends of the circular groove 15, and the connecting shaft 8 is rotatably connected in the bearings 16. The circular groove 15 provides a space for the connecting shaft 8 to pass through and be supported by the two bearings 16, thereby achieving high-precision rotational movement. The bearings 16 can reduce the frictional resistance when the connecting shaft 8 rotates, improving the structural stability. A sealing cover 17 is installed at both ends of the support base 14. The two sealing covers 17 are respectively set at the openings at both ends of the circular groove 15. The two sealing covers 17 are respectively installed at the left and right ends of the support base 14, covering the openings at both ends of the circular groove 15, effectively isolating dust and pollutants in the external environment, protecting the internal bearings 16 from damage, and ensuring long-term stable operation of the equipment.

[0026] Please see Figures 1-6 In this embodiment, a switch bracket 20 is fixed to the front and rear end faces of the support base 14, and a proximity switch 21 is installed on each of the two switch brackets 20 by bolts. A sensing block 22 is installed on the right end face of the rotating arm 10. The switch bracket 20 provides a stable installation position for the proximity switch 21, ensuring that the proximity switch 21 can accurately detect the position change of the sensing block 22. The proximity switches 21 are symmetrically arranged. The support base 14 is connected to the base plate 1 by bolts. When the sensing block 22 on the rotating arm 10 approaches or moves away from the proximity switch 21, the proximity switch 21 will send a signal to the external controller. These signals can be used to confirm whether the measuring arm 12 has reached the working position or the retracted position, thereby triggering the corresponding operation to determine whether to start measurement or stop movement. A limit frame 18 is installed on the upper end of the base plate 1. A buffer 19 is installed in the mounting groove of the limit frame 18. The limit frame 18 is installed on the upper end of the base plate 1 for installing the buffer 19. The limit frame 18 acts as a physical barrier, providing a hard stop when the measuring arm 12 reaches the limit position, avoiding damage to the equipment due to excessive rotation.

[0027] When the measuring device is not in operation, the measuring arm 12 and probe head 13 are raised to a safe position, i.e., a vertical position. At this time, the measuring arm 12 will not interfere with the loading, unloading, or other operations of the crankshaft. The hydraulic rotary motor 3 is started, which drives the rotating arm 5 to rotate through the coupling 4. The rotating arm 5 and the rotating arm 10 change from the vertical position to the horizontal working position. The tapered sleeve 7 and the tapered sleeve 9 ensure a firm connection between the rotating arm 5 and the rotating arm 10 to prevent loosening. When the rotating arm 5 and the rotating arm 10 approach the working position, the sensing block 22 on the rotating arm 10 gradually approaches the proximity switch 21 installed on the front and rear ends of the support base 14. The proximity switch 21 detects the presence of the sensing block 22 and sends a signal to the external controller. The switch bracket 20 is then activated for proximity switching. The mounting bracket 21 provides a stable installation position. After the first rotating arm 5 and the second rotating arm 10 are fully in the horizontal working position, the probe head 13 contacts the crankshaft and begins to perform precise axial dimension measurement. The probe head 13 acquires measurement data and transmits it to an external controller for real-time monitoring and analysis via integrated electronic transmission. The probe head 13 performs the actual measurement task. The measuring arm 12 fixes the probe head 13 and ensures that it maintains a stable posture during the measurement process. After the measurement is completed, the hydraulic angle motor 3 rotates in the opposite direction, driving the coupling 4 to rotate the first rotating arm 5 in the opposite direction. The first rotating arm 5 and the second rotating arm 10 are brought back from the horizontal working position to the vertical retracted position. The limit bracket 18 and the buffer 19 provide hard blocking when the measuring arm 12 reaches the limit position and absorb the impact force to protect the equipment from overload damage.

[0028] Through the above steps, the hydraulic rotary motor 3 is started, driving the coupling 4 to rotate the rotating arm 5, thereby causing the rotating arm 5 and the rotating arm 10 to smoothly switch from a vertical state to a horizontal working position. When the measuring mechanism reaches the designated position, the probe head 13 accurately measures the axial dimension of the crankshaft and transmits the collected data to the external controller for real-time analysis and processing. The entire device is based on the base plate 1 as the installation reference. The structural design of each component fully coordinates the vertical and horizontal spatial layout to avoid unnecessary lateral extension, making the overall structure more compact and reasonable. The measurement process is completed without interfering with the crankshaft loading and unloading, gear shifting, and grinding wheel operations, ensuring the continuity and stability of the production process. It achieves full compatibility with the original processing technology requirements while optimizing space utilization, thus solving the problem that common crankshaft grinding machine measuring devices are usually large in size, require a lot of installation space, often need to be set up independently or have a special reserved position, and may need to suspend other processes or reduce equipment spacing to meet their operation requirements, thereby affecting the overall layout and operating efficiency of the production line.

Claims

1. A crankshaft on-line measurement adjustable pressure hanging device, comprising a base plate (1); characterized in that: The hydraulic rotary motor (3), the shaft coupling (4), the rotary arm I (5), the fixed groove (6), the taper sleeve I (7), the connecting shaft (8), the taper sleeve II (9), the rotary arm II (10), the connecting plate (11), the measuring arm (12) and the probe head (13) are further included, the upper end of the bottom plate (1) is connected with the L-shaped plate (2) through bolts, the L-shaped plate (2) is provided with the hydraulic rotary motor (3) through bolts, the output shaft of the hydraulic rotary motor (3) is provided with the shaft coupling (4) outside, the shaft coupling (4) is connected with the rotary arm I (5) through bolts, the right end surface of the rotary arm I (5) is provided with the fixed groove (6), the fixed groove (6) is provided with the taper sleeve I (7) inside, one end of the connecting shaft (8) is fixed in the taper sleeve I (7) inside, the other end of the connecting shaft (8) is fixed with the taper sleeve II (9) outside, the taper sleeve II (9) is connected with the rotary arm II (10) outside, the front end surface of the rotary arm I (5) and the rotary arm II (10) is connected with the connecting plate (11), the front end surface of the connecting plate (11) is fixed with the measuring arm (12), the front end of the measuring arm (12) is provided with the probe head (13).

2. The adjustable pressure hang-off device for on-line measurement of crankshaft according to claim 1, characterized in that: The upper end of the bottom plate (1) is connected with the support seat (14), the right end surface of the support seat (14) is provided with the circular groove (15), the connecting shaft (8) is arranged in the circular groove (15).

3. The adjustable pressure hang-off device for on-line measurement of crankshaft according to claim 2, characterized in that: Two bearings (16) are arranged at the two ends of the circular groove (15), and the connecting shaft (8) is rotatably connected in the bearings (16).

4. The adjustable pressure hang-off device for on-line measurement of crankshaft according to claim 2, wherein: The left and right ends of the support seat (14) are respectively provided with a sealing cover (17), and the two sealing covers (17) are respectively arranged at the two end openings of the circular groove (15).

5. A device for on-line measurement of crankshaft adjustable pressure hang-off according to claim 4, characterized in that: The front and rear end surfaces of the support seat (14) are respectively fixed with a switch bracket (20), and the two switch brackets (20) are respectively provided with a proximity switch (21) through bolts, and the right end surface of the rotary arm II (10) is provided with a sensing block (22).

6. A device for on-line measurement of crankshaft adjustable pressure hang-off according to claim 5, characterized in that: The proximity switches (21) are symmetrically arranged, and the support seat (14) is connected with the bottom plate (1) through bolts.

7. A device for on-line measurement of crankshaft adjustable pressure hang-up according to claim 6, characterized in that: The upper end of the bottom plate (1) is provided with a limiting frame (18), and the buffer (19) is arranged in the mounting groove of the limiting frame (18).

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