A device for assembling and disassembling oil pressure taper coupling

Abstract

The application discloses an oil pressure type assembling and disassembling device for a taper coupling, and relates to the technical field of coupling assembling and disassembling. The assembling and disassembling device comprises a hydraulic propelling mechanism, a disassembling mechanism, a lifting mechanism, an injection mechanism and a pressure relief mechanism. The coupling can be expanded by the hydraulic pressure when being disassembled, so that the disassembling is facilitated. An adjusting unit is arranged on the pressure relief structure, the pressure relief pressure is adjusted, and the coupling assembling and disassembling of different specifications can be adapted. The injection mechanism with adjustable injection flow is arranged, and is matched with the pressure relief structure. The injection flow and the pressure relief pressure are adjusted by a control system, so that the coupling can be moved stably during assembling, and the damage caused by impact due to too fast assembling is avoided. The pulse block arranged on the hydraulic propelling mechanism enables the coupling to be slightly moved, so that the oil flows, and then the foreign matters are discharged with the oil, and the damage of the coupling or the shaft caused by forced assembling or disassembling is avoided.

Description

Technical Field

[0001] This invention relates to the field of coupling assembly and disassembly technology, specifically to a hydraulic tapered coupling assembly and disassembly device. Background Technology

[0002] Couplings are connectors used to connect shafts to shafts or shafts to rotating parts. In the process of assembling and disassembling large tapered shafts, assembly and disassembly equipment is often required.

[0003] Patent application number CN202322433147.7 discloses a coupling disassembly and assembly tool. Its disassembly and assembly principle is to use a pump to inject a certain oil pressure into the assembly gap between the coupling and the shaft to form an oil film on the conical surface of the coupling, which facilitates the disassembly and assembly of the coupling.

[0004] However, in the relevant technology, the pressure relief pressure and injection flow rate cannot be flexibly adjusted according to the actual working conditions during disassembly and assembly. When the sealing rings of the coupling and shaft wear due to long-term use, leakage may occur at the preset pressure value, which will prevent the formation of a stable oil film and thus affect disassembly. Furthermore, when assembling the coupling, some small foreign objects such as sand particles may be mixed into the assembly gap, affecting the assembly of the coupling and potentially causing it to jam. If it is forcibly assembled, it may even be damaged. Summary of the Invention

[0005] The purpose of this invention is to provide a hydraulic tapered coupling assembly and disassembly device to solve the problems in the prior art where the assembly and disassembly devices cannot flexibly adjust the pressure relief and injection flow according to the actual working conditions, and where foreign objects affect the assembly.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A hydraulic tapered coupling assembly and disassembly device, comprising a large-diameter coupling and a tapered shaft, the assembly and disassembly device comprising a hydraulic propulsion mechanism, a disassembly mechanism on one side of the hydraulic propulsion mechanism, a lifting mechanism on one side of the disassembly mechanism, an injection mechanism and a pressure relief mechanism on the large-diameter coupling, and a hydraulic pump station on the lifting mechanism, the hydraulic pump station being connected to the injection mechanism and the pressure relief mechanism via pipelines respectively; The pressure relief mechanism includes a pressure relief connector and a pressure relief block, and the pressure relief connector has a pressure relief channel inside; The pressure relief channel and the pressure relief block are slidably connected. The pressure relief block is equipped with a pressure relief spring. One end of the pressure relief spring is equipped with an adjustment unit. The pressure relief channel is connected to the hydraulic pump station pipeline.

[0007] When assembling a large-diameter coupling onto a tapered shaft, first place the coupling on the tapered shaft. Then, adjust the position of the hydraulic propulsion mechanism using the disassembly and lifting mechanisms to bring the hydraulic propulsion mechanism into contact with the coupling's end face. The operator adjusts the pressure relief pressure using the pressure relief mechanism's adjustment unit, based on the coupling's material and size. Then, the hydraulic pump station injects high-pressure oil into the assembly gap between the coupling and the shaft via the injection mechanism. When the oil pressure exceeds the preset limit, it enters the pressure relief channel, causing the oil to push the pressure relief block against the spring force of the pressure relief spring, thus connecting the pressure relief joint and the hydraulic pump station's connecting pipe. This allows the hydraulic oil to return to the hydraulic pump station. The coupling is equipped with two sealing rings, ensuring the proper assembly of the coupling and shaft. A certain pressure value of hydraulic fluid can be established within the gap, causing the hub inside the coupling to undergo elastic deformation and expand uniformly. The axial thrust is precisely controlled by the hydraulic propulsion mechanism, allowing the coupling to be assembled into the shaft. Then, the pressure relief value is adjusted again by the adjustment unit to release the pressure, thereby restoring the coupling to clamp the shaft and forming a stable interference fit, thus completing the assembly of the coupling. When disassembly is required, the hydraulic pump station injects high-pressure oil into the assembly gap between the coupling and the shaft through the injection mechanism, thereby forming a continuous oil film on the interference fit surfaces of the shaft and the coupling and completely opening the contact surface, significantly reducing frictional resistance. A small axial force is provided by the disassembly mechanism to separate the coupling and the shaft, thus completing the disassembly.

[0008] Furthermore, the adjustment unit includes an adjustment screw and an adjustment block, which are connected by a drive mechanism; The adjusting screw and the pressure relief connector are rotatably connected. The adjusting block is provided with a guide groove, which is slidably connected to the pressure relief connector. The adjusting block and the pressure relief spring abut against each other. The pressure relief connector is provided with an adjusting motor, and the output end of the adjusting motor is drivenly connected to the adjusting screw.

[0009] The regulating motor installed on the pressure relief connector is connected to the regulating screw via a keyway. The regulating block is connected to the regulating screw via a nut, and the regulating block is provided with a guide groove so that it can only slide along the axial direction of the regulating screw within the pressure relief connector. The two ends of the pressure relief spring abut against the pressure relief block and the regulating block, respectively. The regulating motor drives the regulating screw to rotate, causing the regulating block to slide, thereby adjusting the pre-compression of the pressure relief spring and thus adjusting the pressure value of the pressure relief.

[0010] Furthermore, the injection mechanism includes an injection connector and a ranging device, with a flow channel provided inside the injection connector; The flow channel and the regulating plate are slidably connected. The injection joint is equipped with an regulating electric cylinder. The output end of the regulating electric cylinder is connected to the regulating plate for transmission. The measuring end of the ranging device abuts against the large-diameter coupling. The regulating electric cylinder and the ranging device are connected by electrical signals.

[0011] The oil is injected into the coupling's mating clearance through a flow channel within the injection joint. An electronic dial indicator, fixed to the shaft via a bracket, measures the movement during assembly by contacting the dial indicator's detection end with the coupling's end face. The control system connects the dial indicator to the control cylinder's extension and retraction, and the control motor's rotation, causing the adjusting plate to slide within the flow channel. This changes the channel's cross-sectional area, altering the flow resistance and regulating the flow rate. Simultaneously, the pressure relief is adjusted to maintain a stable pressure value during assembly or disassembly, preventing damage to the coupling or shaft from excessively rapid assembly.

[0012] Furthermore, the hydraulic propulsion mechanism includes an inner tooling sleeve and an outer tooling sleeve, which are slidably connected, and two O-ring seals are provided between the inner tooling sleeve and the outer tooling sleeve. The work jacket is equipped with hydraulic channels; The hydraulic channel and hydraulic pump station pipeline are connected, and the tooling inner sleeve and the large diameter coupling abut against each other.

[0013] By setting up an inner and outer tooling sleeve, during assembly, the inner tooling sleeve needs to be brought into contact with the large-diameter coupling, while the outer tooling sleeve is tightened by the disassembly mechanism. Two O-rings are provided between the inner and outer tooling sleeves. Hydraulic oil is injected into the hydraulic passage through a hydraulic pump station, allowing the hydraulic oil to enter the area between the two O-rings, thereby pushing the inner tooling sleeve axially toward the large-diameter coupling, and then applying an axial thrust to the coupling, so that the coupling is assembled onto the shaft.

[0014] Furthermore, the hydraulic channel is equipped with hydraulic connectors and pulse blocks; The hydraulic connector is provided with a connection channel, and a sliding groove is provided inside the connection channel; The sliding groove and the pulse block are slidably connected, and a one-way valve is provided on the connecting channel. The hydraulic channel and the connecting channel are connected.

[0015] A hydraulic connector is installed at the inlet of the hydraulic channel, connecting the hydraulic channel and the hydraulic pump station pipeline. A closable check valve is installed in the connecting channel, and the movement is detected by an electronic dial indicator to determine if there is any jamming. When jamming occurs, if it is caused by a small foreign object, the check valve can be closed. Initially, the branch of the connecting channel is connected to the hydraulic pump station. At this time, the hydraulic pressure is reduced to create a pressure difference on both sides of the pulse block. Since the pressure on the side connected to the hydraulic channel is higher, the pulse block slides in the sliding groove. Then, the hydraulic pressure is rapidly increased to make the pulse block slide in the sliding groove and force the hydraulic oil in the connecting channel into the hydraulic channel, thereby pushing the coupling to make a small movement. The above action is repeated to generate a pulse-like thrust, causing the coupling to move back and forth slightly, allowing the oil in the coupling assembly gap to flow. This allows foreign objects to be moved away from their original position with the flow of oil. If jamming still occurs after applying the pulse-like thrust, the operation can be stopped and inspected by the operator to avoid forcibly applying pressure to the coupling, which may damage the coupling or shaft.

[0016] Furthermore, the disassembly mechanism includes a positioning rod, a baffle, a mounting plate, and a transmission nut. The positioning rod and the baffle are threaded together. A transmission screw and a guide rod are provided on one side of the baffle. The mounting plate and the transmission nut are rotatably connected. The mounting plate and the guide rod are slidably connected. The transmission nut and the transmission screw are connected in a transmission manner. A drive motor is provided on the mounting plate. The output end of the drive motor is connected in a transmission manner to the transmission nut. The workwear jacket and the baffle abut against each other, and the positioning rod and the tapered shaft are slidably connected.

[0017] The height and position of the disassembly mechanism are adjusted by the lifting mechanism. The output end of the drive motor and the transmission nut are connected by gear transmission, so that the drive motor drives the transmission nut to rotate. The transmission nut and the transmission screw are connected by thread transmission. One end of the transmission screw is fixed to the baffle. The baffle is slidably connected to the mounting plate through the guide rod, so that the baffle can only slide along the axis of the transmission screw, thereby pushing one end of the baffle. The positioning rod is threadedly connected to the baffle, so that the positioning rod moves accordingly, thereby allowing the positioning rod to slide into the groove on the tapered shaft, thereby positioning the disassembly mechanism and causing the tooling inner sleeve and the coupling end face to abut.

[0018] Furthermore, the baffle is provided with an adjustment groove; The disassembly mechanism also includes a hook and a fixing nut, the hook and the adjusting groove are slidably connected, and the hook and the fixing nut are threadedly connected; The fixing nut and the baffle are in contact.

[0019] By setting a hook in the adjustment groove on the baffle, the hook abuts against the outer circle and end face of the coupling. Then, the fixed nut is pressed against the baffle by the threaded engagement of the fixed nut and one end of the hook, thereby fixing the hook. When the drive motor drives the baffle away from the shaft, a disassembly pulling force can be applied to the coupling.

[0020] Furthermore, the lifting mechanism includes a mounting base, on which a linear module is vertically mounted; The linear module sliding end and the mounting plate are connected by a transmission mechanism.

[0021] By setting a linear module in the vertical direction of the mounting base, the sliding end of the linear module and the mounting plate are fixedly connected to achieve transmission, so that the linear module can drive the mounting plate to rise and fall, thereby adjusting the height of the mounting plate and making the equipment suitable for the assembly and disassembly of couplings of different devices.

[0022] Furthermore, the mounting base is equipped with casters with support feet at the bottom.

[0023] By providing casters with support feet at the bottom of the mounting base, the equipment can be moved easily and supported by the support feet against the ground after being moved to the designated position, preventing it from moving during assembly and disassembly.

[0024] Furthermore, the injection connector is equipped with a bypass channel and a blocking block. The two ends of the bypass channel are located on both sides of the adjustment plate. The bypass channel and the blocking block are slidably connected. A pressure sensor is installed in the bypass channel. A reset spring is installed between the blocking block and the pressure sensor. The adjustment cylinder and the pressure sensor are electrically connected. Solenoid valves are installed on both the bypass channel and the injection connector.

[0025] A bypass channel is set on the injection connector, which is connected to the channels in the injection connectors on both sides of the regulating plate. A slidably connected sealing block is installed in the bypass channel, and a pressure sensor is also installed in the bypass channel. A return spring is installed between the sealing block and the pressure sensor. The two ends of the bypass channel are made of elastic material. Initially, the oil from the hydraulic pump station pushes the sealing block to move against the elastic force of the return spring, opening the bypass and injecting hydraulic oil into the assembly gap of the coupling. When the hydraulic oil reaches the specified pressure value, after the hydraulic oil pressure stabilizes, the sealing block returns to sealing under the action of the return spring and closes the solenoid valve on the bypass channel and the injection connector. After a period of time, the solenoid valve on the bypass channel is opened again. When leakage occurs due to damage to the sealing ring, a pressure difference appears on both sides of the bypass channel. The oil pushes the sealing block to move against the elastic force of the return spring. The pressure sensor detects the pressure change, indirectly detecting the leakage amount, and sends it to the control system. Subsequently, the control system controls the regulating motor and regulating cylinder to work, thereby adjusting the injection flow rate and the pressure value of the pressure relief.

[0026] Compared with the prior art, the beneficial effects of the present invention are: 1. By setting up a pressure relief mechanism, operators can adjust the pressure relief according to the material and size of the coupling, so that it can be adapted to the assembly and disassembly of couplings of different specifications.

[0027] 2. By setting up an injection mechanism and cooperating with a ranging device to monitor the amount of movement of the coupling during assembly or disassembly in real time, the movement speed can be detected. The injection flow rate and pressure relief can be adjusted by the control system to ensure that the coupling moves smoothly during assembly and avoid damage caused by impact due to excessively fast assembly.

[0028] 3. By setting a pulse block in the hydraulic propulsion mechanism, when a foreign object causes the coupling to jam, the pulse block can move back and forth to generate a pulse-like thrust, causing the coupling to move slightly, allowing the oil to flow, and thus expelling the foreign object with the oil, avoiding damage to the coupling or shaft caused by forced assembly or disassembly.

[0029] 4. By installing a structure next to the injection mechanism that can detect seal ring leakage, the injection flow rate and pressure relief can be adjusted according to the leakage amount, ensuring that the seal ring can still build up sufficient pressure after minor damage, enabling the equipment to adapt to disassembly under different working conditions and improving the working stability of the equipment. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the present invention; Figure 3 yes Figure 2 A magnified view of part B; Figure 4 yes Figure 2 A magnified view of a portion of C; Figure 5 This is a schematic diagram showing the position of the pressure sensor of the present invention; Figure 6 This is a schematic diagram of the structure of Embodiment 1 of the present invention; Figure 7 yes Figure 2 A magnified view of a portion of the image; Figure 8 yes Figure 1 A magnified view of part A; Figure 9 yes Figure 2 A magnified view of a portion of E.

[0031] In the diagram: 1. Large diameter coupling; 2. Tapered shaft; 3. Hydraulic propulsion mechanism; 31. Inner tooling sleeve; 32. Outer tooling sleeve; 321. Hydraulic channel; 33. O-ring seal; 34. Hydraulic connector; 341. Connecting channel; 342. Sliding groove; 35. Pulse block; 36. Check valve; 4. Disassembly mechanism; 41. Positioning rod; 42. Baffle; 421. Adjusting groove; 43. Transmission screw; 44. Mounting plate; 45. Transmission nut; 46. Drive motor; 47. Guide rod; 48. Fixing nut; 49. Claw; 5. Lifting mechanism; 51. Installation... 52. Mounting base; 53. Linear module; 6. Casters; 6. Injection mechanism; 61. Injection connector; 611. Flow channel; 62. Adjusting plate; 63. Adjusting electric cylinder; 64. Bypass channel; 65. Blocking block; 66. Pressure sensor; 67. Return spring; 68. Solenoid valve; 69. Distance measuring device; 7. Pressure relief mechanism; 71. Pressure relief connector; 711. Pressure relief channel; 72. Pressure relief block; 73. Pressure relief spring; 74. Adjusting unit; 741. Adjusting screw; 742. Adjusting block; 7421. Guide groove; 743. Adjusting motor; 8. Hydraulic pump station. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Example 1: As Figures 1-3 As shown, the present invention provides a technical solution: a hydraulic tapered coupling assembly and disassembly device. The assembly and disassembly device includes a large-diameter coupling 1 and a tapered shaft 2. The assembly and disassembly device includes a hydraulic propulsion mechanism 3. A disassembly mechanism 4 is provided on one side of the hydraulic propulsion mechanism 3. A lifting mechanism 5 is provided on one side of the disassembly mechanism 4. An injection mechanism 6 and a pressure relief mechanism 7 are provided on the large-diameter coupling 1. A hydraulic pump station 8 is provided on the lifting mechanism 5. The hydraulic pump station 8 is connected to the injection mechanism 6 and the pressure relief mechanism 7 by pipelines respectively. The pressure relief mechanism 7 includes a pressure relief connector 71 and a pressure relief block 72, and the pressure relief connector 71 is provided with a pressure relief channel 711; The pressure relief channel 711 and the pressure relief block 72 are slidably connected. The pressure relief block 72 is equipped with a pressure relief spring 73. One end of the pressure relief spring 73 is equipped with an adjustment unit 74. The pressure relief channel 711 is connected to the hydraulic pump station 8 via a pipeline.

[0034] When assembling the large-diameter coupling 1 into the tapered shaft 2, the coupling is first placed on the tapered shaft 2. Then, the position of the hydraulic propulsion mechanism 3 is adjusted by the disassembly mechanism 4 and the lifting mechanism 5, so that the hydraulic propulsion mechanism 3 contacts the end face of the coupling. The operator adjusts the pressure relief pressure according to the material and size of the coupling through the adjustment unit 74 of the pressure relief mechanism 7. Then, the hydraulic pump station 8 injects high-pressure oil into the assembly gap between the coupling and the shaft through the injection mechanism 6. When the oil pressure exceeds the preset pressure, the oil enters the pressure relief channel 711, causing the oil to push the pressure relief block 72 to slide against the elastic force of the pressure relief spring 73, thereby connecting the pressure relief joint 71 and the connecting pipe of the hydraulic pump station 8, allowing the hydraulic oil to return to the hydraulic pump station 8. The coupling is equipped with two sealing rings, thus... A certain pressure value of hydraulic fluid can be established within the assembly gap between the coupling and the shaft, causing the hub inside the coupling to undergo elastic deformation and expand uniformly. The axial thrust is precisely controlled by the hydraulic propulsion mechanism 3, allowing the coupling to be assembled into the shaft. Then, the pressure relief value is adjusted again by the adjustment unit 74 to release the pressure, thereby restoring the coupling to clamp the shaft and forming a stable interference fit, thus completing the assembly of the coupling. When disassembly is required, the hydraulic pump station 8 injects high-pressure oil into the assembly gap between the coupling and the shaft through the injection mechanism 6, thereby forming a continuous oil film on the interference fit surface of the shaft and the coupling and completely opening the contact surface, significantly reducing frictional resistance. A small axial force is provided by the disassembly mechanism 4, thereby separating the coupling and the shaft, thus completing the disassembly.

[0035] like Figure 3 As shown, the adjustment unit 74 includes an adjustment screw 741 and an adjustment block 742, which are connected in a transmission manner. The adjusting screw 741 and the pressure relief connector 71 are rotatably connected. The adjusting block 742 is provided with a guide groove 7421. The guide groove 7421 and the pressure relief connector 71 are slidably connected. The adjusting block 742 and the pressure relief spring 73 abut against each other. The pressure relief connector 71 is provided with an adjusting motor 743. The output end of the adjusting motor 743 is connected to the adjusting screw 741 in a transmission manner.

[0036] The regulating motor 743 installed on the pressure relief connector 71 is connected to the regulating screw 741 via a keyway drive. The regulating block 742 is connected to the regulating screw 741 via a nut and is provided with a guide groove 7421, which allows it to slide only within the pressure relief connector 71 along the axial direction of the regulating screw 741. The two ends of the pressure relief spring 73 abut against the pressure relief block 72 and the regulating block 742 respectively. The regulating motor 743 drives the regulating screw 741 to rotate, causing the regulating block 742 to slide, thereby adjusting the pre-compression of the pressure relief spring 73 and thus adjusting the pressure value of the pressure relief.

[0037] like Figure 6As shown, the injection mechanism 6 includes an injection connector 61 and a ranging device 69, and the injection connector 61 is provided with a flow channel 611. The flow channel 611 and the adjusting plate 62 are slidably connected. The injection connector 61 is equipped with an adjusting electric cylinder 63. The output end of the adjusting electric cylinder 63 is connected to the adjusting plate 62 in a transmission manner. The measuring end of the ranging device 69 abuts against the large-diameter coupling 1. The adjusting electric cylinder 63 and the ranging device 69 are electrically connected.

[0038] The oil is injected into the fitting clearance between the coupling and the shaft through the flow channel 611 provided in the injection joint 61. The measuring device 69, which is an electronic dial indicator, is fixed to the shaft by a bracket. The measuring end of the electronic dial indicator abuts against the end face of the coupling to detect the amount of movement during assembly. The electronic dial indicator is connected to the control system signal, and the control system controls the extension and retraction of the adjusting cylinder 63 and the rotation of the adjusting motor 743, so that the adjusting plate 62 slides in the flow channel 611, thereby changing the cross-sectional area of ​​the flow channel 611 and thus changing the flow resistance to adjust the flow rate. At the same time, the pressure relief pressure is adjusted to maintain the pressure value in a state of smooth movement of the coupling during assembly or disassembly, avoiding impact damage to the coupling or shaft caused by excessively rapid assembly.

[0039] like Figure 7 As shown, the hydraulic propulsion mechanism 3 includes an inner tooling sleeve 31 and an outer tooling sleeve 32, which are slidably connected. Two O-ring seals 33 are provided between the inner tooling sleeve 31 and the outer tooling sleeve 32. The workwear jacket 32 ​​is equipped with a hydraulic channel 321; The hydraulic channel 321 is connected to the hydraulic pump station 8 via pipeline, and the tooling inner sleeve 31 abuts against the large diameter coupling 1.

[0040] By setting up an inner tooling sleeve 31 and an outer tooling sleeve 32, during assembly, the inner tooling sleeve 31 and the large-diameter coupling 1 need to be brought into contact, while the outer tooling sleeve 32 is tightened under the action of the disassembly mechanism 4. Two O-ring seals 33 are provided between the inner tooling sleeve 31 and the outer tooling sleeve 32. Hydraulic oil is injected into the hydraulic channel 321 through the hydraulic pump station 8, so that the hydraulic oil enters the area between the two O-ring seals 33, thereby pushing the inner tooling sleeve 31 to move axially towards the large-diameter coupling 1, and then applying axial thrust to the coupling, so that the coupling is assembled onto the shaft.

[0041] like Figure 7 As shown, the hydraulic channel 321 is equipped with a hydraulic connector 34 and a pulse block 35; Hydraulic connector 34 is provided with a connection channel 341, and a sliding groove 342 is provided in the connection channel 341; The sliding groove 342 and the pulse block 35 are slidably connected, and a one-way valve 36 is provided on the connecting channel 341. The hydraulic channel 321 and the connecting channel 341 are connected.

[0042] A hydraulic connector 34 is installed at the inlet of hydraulic channel 321, and a connecting channel 341 of hydraulic connector 34 connects hydraulic channel 321 and hydraulic pump station 8. A closable check valve 36 is installed in connecting channel 341. An electronic dial indicator is used to detect the amount of movement to determine if there is any jamming. If jamming occurs during assembly, such as jamming caused by a small foreign object, the check valve 36 can be closed. The branch line set in connecting channel 341 is initially connected to hydraulic pump station 8. At this time, the hydraulic pressure is reduced, creating a pressure difference on both sides of pulse block 35. Since the pressure on the side connected to hydraulic channel 321 is larger, The pulse block 35 slides within the sliding groove 342, and then the hydraulic pressure is rapidly increased, causing the pulse block 35 to slide within the sliding groove 342. This forces the hydraulic oil in the connecting channel 341 into the hydraulic channel 321, thereby pushing the coupling to make a small movement. This action is repeated to generate a pulse-like thrust, causing the coupling to make a small back-and-forth movement. This allows the oil in the coupling assembly gap to flow, causing foreign objects to move away from their original position with the oil flow. If jamming still occurs after applying the pulse-like thrust, the operation can be stopped for inspection by the operator to avoid forcibly applying pressure to the coupling, which could damage the coupling or shaft.

[0043] like Figure 2 and Figure 8 As shown, the disassembly mechanism 4 includes a positioning rod 41, a baffle 42, a mounting plate 44, and a transmission nut 45. The positioning rod 41 and the baffle 42 are threaded together. A transmission screw 43 and a guide rod 47 are provided on one side of the baffle 42. The mounting plate 44 and the transmission nut 45 are rotatably connected. The mounting plate 44 and the guide rod 47 are slidably connected. The transmission nut 45 and the transmission screw 43 are connected in a transmission manner. A drive motor 46 is provided on the mounting plate 44. The output end of the drive motor 46 is connected in a transmission manner to the transmission nut 45. The workwear jacket 32 ​​and the baffle 42 abut against each other, and the positioning rod 41 and the tapered shaft 2 are slidably connected.

[0044] The height and position of the disassembly mechanism 4 are adjusted by the lifting mechanism 5. The output end of the drive motor 46 and the transmission nut 45 are connected by gear transmission, so that the drive motor 46 drives the transmission nut 45 to rotate. The transmission nut 45 and the transmission screw 43 are connected by thread transmission. One end of the transmission screw 43 is fixed to the baffle 42. The baffle 42 is slidably connected to the mounting plate 44 by the guide rod 47, so that the baffle 42 can only slide along the axis of the transmission screw 43, thereby pushing one end of the baffle 42. The positioning rod 41 is threadedly connected to the baffle 42, so that the positioning rod 41 moves accordingly, thereby allowing the positioning rod 41 to slide into the groove of the tapered shaft 2, thereby positioning the disassembly mechanism 4 and making the tooling inner sleeve 31 abut against the end face of the coupling.

[0045] like Figure 2 and Figure 9 As shown, the baffle 42 is provided with an adjustment groove 421; The disassembly mechanism 4 also includes a hook 49 and a fixing nut 48. The hook 49 and the adjusting groove 421 are slidably connected, and the hook 49 and the fixing nut 48 are threadedly connected. The fixing nut 48 and the baffle 42 abut against each other.

[0046] By setting a hook 49 in the adjusting groove 421 on the baffle 42, after the hook 49 abuts against the outer circle and end face of the coupling, the fixed nut 48 and one end of the hook 49 are threaded together, so that the fixed nut 48 is pressed on the baffle 42, thereby fixing the hook 49. When the drive motor 46 drives the baffle 42 away from the shaft, a disassembly pulling force can be applied to the coupling.

[0047] like Figure 1 As shown, the lifting mechanism 5 includes a mounting base 51, on which a linear module 52 is provided vertically; The linear module 52 has a sliding end and a mounting plate 44 that are connected by a transmission mechanism.

[0048] By setting a linear module 52 in the vertical direction of the mounting base 51, the sliding end of the linear module 52 and the mounting plate 44 are fixedly connected to achieve transmission, so that the linear module 52 can drive the mounting plate 44 to rise and fall, thereby adjusting the height of the mounting plate 44, making the equipment suitable for the disassembly and assembly of couplings of different devices.

[0049] like Figure 1 As shown, the bottom of the mounting base 51 is equipped with casters 53 with support feet.

[0050] By providing casters 53 with support feet at the bottom of the mounting base 51, the equipment can be moved easily and supported by the support feet against the ground after being moved to the designated position, thus preventing it from moving during assembly and disassembly.

[0051] Example 2: Figure 3 and Figure 4 As shown, an injection structure different from that in Embodiment 1 is provided. The difference is that this embodiment can detect whether the sealing ring is worn or leaking, and then adjust the injection flow rate to avoid insufficient pressure due to minor leaks, which would make disassembly difficult.

[0052] The injection connector 61 is provided with a bypass channel 64 and a blocking block 65. The two ends of the bypass channel 64 are located on both sides of the adjusting plate 62. The bypass channel 64 and the blocking block 65 are slidably connected. A pressure sensor 66 is provided in the bypass channel 64. A reset spring 67 is provided between the blocking block 65 and the pressure sensor 66. The adjusting cylinder 63 and the pressure sensor 66 are electrically connected. Solenoid valves 68 are provided on both the bypass channel 64 and the injection connector 61.

[0053] A bypass channel 64 is provided on the injection connector 61, which is connected to the channels in the injection connectors 61 on both sides of the adjusting plate 62. A slidingly connected sealing block 65 is provided in the bypass channel 64, and a pressure sensor 66 is also provided in the bypass channel 64. A return spring 67 is provided between the sealing block 65 and the pressure sensor 66. Both ends of the bypass channel 64 are made of elastic material. Initially, the oil from the hydraulic pump station 8 pushes the sealing block 65 to move against the elastic force of the return spring 67, opening the bypass and injecting hydraulic oil into the assembly gap of the coupling. When the hydraulic oil reaches the specified pressure value, the hydraulic oil... After the pressure stabilizes, the sealing block 65 resumes its sealing function under the action of the return spring 67, and closes the solenoid valve 68 on the bypass channel 64 and the injection connector 61. After a period of time, the solenoid valve 68 on the bypass channel 64 is opened again. When leakage occurs due to damage to the sealing ring, a pressure difference appears on both sides of the bypass channel 64. The oil pushes the sealing block 65 to move against the elastic force of the return spring 67. The pressure sensor 66 detects the pressure change, indirectly detects the leakage amount, and sends it to the control system. Subsequently, the control system controls the regulating motor 743 and the regulating electric cylinder 63 to work, thereby adjusting the injection flow rate and the pressure value of the pressure relief.

[0054] Working principle of the invention: The equipment is moved to the disassembly or assembly position using the casters 53 at the bottom of the mounting base 51. Then, the height of the mounting plate 44 is adjusted using the linear module 52. The drive motor 46 drives the baffle 42 to move, causing the positioning rod 41 to slide into the groove on the shaft to be assembled, thus positioning the disassembly mechanism 4. During assembly, the hydraulic pump station 8 injects hydraulic oil into the assembly gap between the coupling and the shaft through the injection connector 61, causing the coupling to undergo elastic deformation. Simultaneously, the injection mechanism 6 checks for leaks in the sealing ring, and the control system controls the operation of the adjusting motor 743 and the adjusting cylinder 63, causing the adjusting cylinder 63 to extend and retract, thereby allowing the adjusting plate 62 to slide within the flow channel 611. The adjusting motor 743 drives the adjusting block 742 to slide, thereby adjusting the pre-compression of the pressure relief spring 73, adjusting the injection flow rate and the pressure value of the pressure relief. Then, the hydraulic pump station 8 injects hydraulic oil into the hydraulic channel 321 through the hydraulic connector 34, thereby driving the tooling inner sleeve 31 to apply axial thrust to the coupling, thereby assembling the coupling onto the shaft. During disassembly, the hydraulic pump station 8 injects high-pressure oil into the assembly gap between the coupling and the shaft through the injection mechanism 6, thereby forming a continuous oil film on the interference fit surface of the shaft and the coupling, and completely opening the contact surface, greatly reducing the frictional resistance. A small axial force is provided by the disassembly mechanism 4, thereby separating the coupling and the shaft, thus completing the disassembly.

[0055] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A hydraulic tapered coupling assembly and disassembly device, the assembly and disassembly device comprising a large-diameter coupling (1) and a tapered shaft (2), characterized in that: The assembly and disassembly equipment includes a hydraulic propulsion mechanism (3), a disassembly mechanism (4) on one side of the hydraulic propulsion mechanism (3), a lifting mechanism (5) on one side of the disassembly mechanism (4), an injection mechanism (6) and a pressure relief mechanism (7) on the large diameter coupling (1), a hydraulic pump station (8) on the lifting mechanism (5), and the hydraulic pump station (8) is connected to the injection mechanism (6) and the pressure relief mechanism (7) respectively via pipelines; The pressure relief mechanism (7) includes a pressure relief connector (71) and a pressure relief block (72), and the pressure relief connector (71) is provided with a pressure relief channel (711). The pressure relief channel (711) and the pressure relief block (72) are slidably connected. The pressure relief block (72) is provided with a pressure relief spring (73). One end of the pressure relief spring (73) is provided with an adjustment unit (74). The pressure relief channel (711) is connected to the hydraulic pump station (8) via a pipeline.

2. The hydraulic tapered coupling assembly and disassembly device according to claim 1, characterized in that: The adjustment unit (74) includes an adjustment screw (741) and an adjustment block (742), which are connected in a transmission manner. The adjusting screw (741) and the pressure relief connector (71) are rotatably connected. The adjusting block (742) is provided with a guide groove (7421). The guide groove (7421) and the pressure relief connector (71) are slidably connected. The adjusting block (742) and the pressure relief spring (73) abut against each other. The pressure relief connector (71) is provided with an adjusting motor (743). The output end of the adjusting motor (743) is connected to the adjusting screw (741) in a transmission manner.

3. The assembly and disassembly device for a hydraulic tapered coupling according to claim 1, characterized in that: The injection mechanism (6) includes an injection connector (61) and a ranging device (69), and the injection connector (61) is provided with a flow channel (611). The flow channel (611) and the adjusting plate (62) are slidably connected. The injection connector (61) is provided with an adjusting electric cylinder (63). The output end of the adjusting electric cylinder (63) is connected to the adjusting plate (62) in a transmission manner. The measuring end of the ranging device (69) abuts against the large-diameter coupling (1). The adjusting electric cylinder (63) and the ranging device (69) are connected by electrical signals.

4. The assembly and disassembly device for a hydraulic tapered coupling according to claim 3, characterized in that: The injection connector (61) is provided with a bypass channel (64) and a blocking block (65). The two ends of the bypass channel (64) are located on both sides of the adjusting plate (62). The bypass channel (64) and the blocking block (65) are slidably connected. A pressure sensor (66) is provided in the bypass channel (64). A reset spring (67) is provided between the blocking block (65) and the pressure sensor (66). The adjusting electric cylinder (63) and the pressure sensor (66) are electrically connected. Solenoid valves (68) are provided on both the bypass channel (64) and the injection connector (61).

5. The assembly and disassembly device for a hydraulic tapered coupling according to claim 1, characterized in that: The hydraulic propulsion mechanism (3) includes an inner tooling sleeve (31) and an outer tooling sleeve (32), which are slidably connected, and two O-ring seals (33) are provided between the inner tooling sleeve (31) and the outer tooling sleeve (32). The workwear jacket (32) is provided with a hydraulic channel (321); The hydraulic channel (321) is connected to the hydraulic pump station (8) via pipeline, and the tooling inner sleeve (31) abuts against the large diameter coupling (1).

6. The assembly and disassembly device for a hydraulic tapered coupling according to claim 5, characterized in that: The hydraulic channel (321) is provided with a hydraulic connector (34) and a pulse block (35). The hydraulic connector (34) is provided with a connection channel (341), and a sliding groove (342) is provided in the connection channel (341). The sliding groove (342) and the pulse block (35) are slidably connected, and a one-way valve (36) is provided on the connecting channel (341). The hydraulic channel (321) and the connecting channel (341) are connected.

7. The hydraulic tapered coupling assembly and disassembly device according to claim 5, characterized in that: The disassembly mechanism (4) includes a positioning rod (41), a baffle (42), a mounting plate (44), and a transmission nut (45). The positioning rod (41) and the baffle (42) are threaded together. A transmission screw (43) and a guide rod (47) are provided on one side of the baffle (42). The mounting plate (44) and the transmission nut (45) are rotatably connected. The mounting plate (44) and the guide rod (47) are slidably connected. The transmission nut (45) and the transmission screw (43) are connected in transmission. A drive motor (46) is provided on the mounting plate (44). The output end of the drive motor (46) is connected in transmission to the transmission nut (45). The workwear jacket (32) and the baffle (42) abut against each other, and the positioning rod (41) and the tapered shaft (2) are slidably connected.

8. The assembly and disassembly device for a hydraulic tapered coupling according to claim 7, characterized in that: The baffle (42) is provided with an adjustment groove (421); The disassembly mechanism (4) further includes a hook (49) and a fixing nut (48), the hook (49) and the adjusting groove (421) are slidably connected, and the hook (49) and the fixing nut (48) are threadedly connected; The fixing nut (48) and the baffle (42) abut against each other.

9. The assembly and disassembly device for a hydraulic tapered coupling according to claim 7, characterized in that: The lifting mechanism (5) includes a mounting base (51), and a linear module (52) is provided vertically on the mounting base (51). The sliding end of the linear module (52) is connected to the mounting plate (44) via a transmission.

10. The assembly and disassembly device for a hydraulic tapered coupling according to claim 9, characterized in that: The mounting base (51) is equipped with casters (53) with support feet at the bottom.

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