Safety bearing removal device

Abstract

The present invention belongs to the technical field of mining in mining areas, and discloses a safe bearing removal device, including a fixed plate, an extension frame is fixedly installed at an equal angle at the front end of the fixed plate, a locking assembly is installed at the front end of the extension frame, and a movable plate is provided at the rear end of the fixed plate, and an extension rod is fixedly installed at an equal angle at the front end of the movable plate. The present invention can maintain the clamping state and quickly complete the rapid reset of the three clamping plates through the reset action of the reset spring when the hydraulic oil is released, that is, only the opening and closing of the valve needs to be controlled to complete the clamping or loosening process, avoiding the problem that the traditional device requires one person to use manpower to apply force to the clamping claws to complete the bearing fixing process, and realizes the rapid clamping and loosening process of the bearing, providing necessary assistance for subsequent disassembly, and only a single device and a single person are needed to complete the clamping and disassembly process of the bearing, which is highly practical and suitable for use in track maintenance.

Description

Technical Field

[0001] The invention belongs to the technical field of mining, and in particular relates to a safe bearing removal device. Background Art

[0002] In order to facilitate the transportation of ore or miners in gold mining, mine carts are generally used to assist transportation. Common mine carts generally run along tracks, and bearings are generally installed for use in order to reduce friction. However, in actual use, due to the heavy load of the mine cart, the bearings of the mine cart will wear or be damaged after a period of use. At this time, the bearings need to be replaced.

[0003] Since the bearing is generally installed at one end of the main shaft, in order to prevent sliding between the main shaft and the bearing when the main shaft rotates, the connection between the main shaft and the bearing is relatively tight. In order to prevent the main shaft and the bearing from being disassembled at the same time and to prevent damage to the main shaft during the disassembly process, the outer side of the bearing is generally fixed before disassembly. In the prior art, two clamps are generally used to fix the outer side of the bearing. Two people are required to assist in the entire disassembly process, that is, one person applies pressure to the clamp to fix the bearing, and the other person directly disassembles the bearing. It requires two people to cooperate to complete the bearing disassembly process, and the entire disassembly process is extremely inefficient.

[0004] Since the main shaft and the inner side of the bearing rotate simultaneously during the rotation process, when the bearing needs to be disassembled, a large force needs to be applied to the bearing to complete the disassembly process. In the prior art, gas welding or knocking is generally used for disassembly. The former requires the use of gas welding to separate the bearing from the main shaft. Although this disassembly method is relatively fast, it is less safe and can easily cause damage to surrounding personnel. There is also a risk of damaging the main shaft. When disassembly is performed by knocking, the bearing needs to be knocked repeatedly, which not only poses a risk of accidental injury to surrounding personnel, but also poses a risk of deformation of the bearing surface due to long-term knocking. Therefore, it is particularly important to set up a fast and safe disassembly device. Summary of the invention

[0005] The object of the present invention is to provide a safe bearing removal device to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a safe bearing removal device comprises a fixed plate, an extension frame is fixedly installed at an equal angle at the front end of the fixed plate, a locking assembly is installed at the front end of the extension frame, a movable plate is provided at the rear end of the fixed plate, an extension rod is fixedly installed at an equal angle at the front end of the movable plate, the front ends of the extension rod respectively penetrate the fixed plate and the locking assembly and are fixedly installed with a pressure plate, a threaded sleeve is fixedly installed at the rear end of the movable plate, the internal threads of the threaded sleeve are connected with a threaded rod, a control assembly is installed at the rear end of the threaded rod, the front end of the threaded rod penetrates the movable plate and is movably connected with the fixed plate, the movable plate, the extension rod and the pressure plate can move relative to the threaded rod, an oil storage tank is provided at the rear end of the control assembly, a handle is fixedly installed at the rear end of the oil storage tank, and the left and right ends of the oil storage tank are fixedly connected with oil pipelines.

[0007] Before using the device, you must first ensure that the hydraulic oil in the oil tank is in normal condition, and restore all operating components and locking components to their original state to complete the preparations before bearing disassembly.

[0008] As a further technical solution of the present invention, the locking assembly includes a temporary storage tank, the left end of the temporary storage tank is fixedly connected to a second output port, the right end of the temporary storage tank is fixedly connected to a second input port, the second input port and the second output port are symmetrically opened at a position located at the front end of the temporary storage tank, and a one-way solenoid valve is installed inside the second input port and the second output port, and the directions of the valves are respectively inward conduction and outward cutoff and outward conduction and inward cutoff.

[0009] When the bearing is disassembled, three support rods need to be placed on the outer side of the bearing to clamp the bearing. The electromagnetic one-way valve located inside the second input port can be opened to allow the hydraulic oil inside the oil storage tank to flow into the second input port through the oil pipe and into the temporary storage tank. At this time, the electromagnetic one-way valve located inside the second output port is in a normally closed state. When the bearing is loosened, the electromagnetic one-way valve located inside the second output port can be opened. At this time, the hydraulic oil inside the temporary storage tank can be discharged through the second output port and returned to the oil storage tank through the oil pipe to complete the circulation of the hydraulic oil and the reset operation of the device.

[0010] As a further technical solution of the present invention, a second piston plate is movably sleeved inside the temporary storage tank, a second piston rod located inside the temporary storage tank is fixedly installed at the front end of the second piston plate, the front end of the second piston rod passes through the front end of the temporary storage tank and is fixedly connected to a movable seat, through holes for extension rods to pass through are opened at equal angles on the movable seat, the rear end of the second piston plate is fixedly connected to a reset spring located inside the temporary storage tank, and the rear end of the reset spring is fixedly connected to the rear end of the inner cavity of the temporary storage tank.

[0011] As a further technical solution of the present invention, a first fixed seat is fixedly installed at an equal angle at the front end of the movable seat, an end of the first fixed seat away from the movable seat is movably connected to a support rod via a rotating shaft, and the other end of the support rod is movably connected to a second fixed seat via a rotating shaft. The locking assembly also includes a connecting seat, and the outer side surface of the connecting seat is fixedly connected to a guide rail at an equal angle.

[0012] As a further technical solution of the present invention, a slider is fixedly connected to one end of the second fixed seat away from the support rod, and the slider is movably connected to the guide rail. There are three sliders and three guide rails, and the front ends of the three sliders are fixedly connected to a clamping plate located on the outer side of the pressure plate, and the inner side of the clamping plate is provided with an anti-slip groove.

[0013] When the bearing is clamped, the hydraulic oil immediately enters the interior of the temporary storage tank through the second input port and applies rearward pressure to the second piston plate. At this time, the return spring is compressed, and the second piston plate and the second piston rod are displaced rearward accordingly, and drive the movable seat to move rearward. At this time, since the movable seat is connected to a support rod and the support rod is connected to the second fixed seat, the second fixed seat can only slide relative to the guide rail under the drive of the slider. That is, when the movable seat is displaced rearward, the end of the first fixed seat away from the movable seat is immediately deflected toward the middle, that is, driving the three sliders to approach the connecting seat. At this time, the three clamps are relatively close to each other until the outer side of the bearing is clamped at three points to complete the bearing fixation. Conversely, the three clamps can be relatively far away from each other to loosen the bearing.

[0014] By utilizing the continuous pressure of hydraulic oil, the three clamps can be brought closer, and the bearing can be fixed by three-point fixation. The clamping state can be maintained by only keeping the flow of hydraulic oil unchanged. At the same time, the three clamps can be quickly reset by the reset action of the reset spring when the hydraulic oil is released. That is, the clamping or loosening process can be completed by only controlling the opening and closing of the valve, avoiding the problem that the traditional device requires one person to use manpower to apply force to the clamping claws to complete the bearing fixing process, realizing the rapid clamping and loosening process of the bearing, providing necessary assistance for subsequent disassembly, and only a single device and a single person are needed to complete the clamping and disassembly process of the bearing, which is highly practical and suitable for track maintenance.

[0015] As a further technical solution of the present invention, the oil pipeline on the right side is fixedly connected to the second input port, and the oil pipeline on the left side is fixedly connected to the second output port.

[0016] The flow circuit designed in this way ensures that when the bearing is clamped, the hydraulic oil can only flow from the oil storage tank and through the oil pipe on the right to enter the temporary storage tank through the second input port. When the bearing is loose, the hydraulic oil can only flow back to the oil storage tank from the second output port and through the oil pipe on the left to complete the circulation, thereby ensuring the normal flow of the oil circuit.

[0017] As a further technical solution of the present invention, the operating component includes a connecting rod, and the right side of the connecting rod near the bottom is fixedly connected to a first input port. The operating component includes a regulating tank, and the right side of the regulating tank near the bottom is fixedly connected to a first input port, and the left side of the regulating tank near the bottom is fixedly connected to a first output port. The first input port is fixedly connected to an oil storage tank, and one-way valves are installed inside the first input port and the first output port, and the directions of the valves are respectively inward conduction and outward cutoff and outward conduction and inward cutoff.

[0018] As a further technical solution of the present invention, the regulating tank is movably sleeved with a first piston plate, the bottom end of the first piston plate is fixedly connected to a connecting rod located inside the regulating tank, the bottom end of the connecting rod passes through the bottom end of the regulating tank and is fixedly connected to a second mounting seat, the top end of the first piston plate is fixedly connected to a first piston rod located inside the regulating tank, the top end of the first piston rod passes through the top end of the regulating tank and is fixedly connected to an operating panel.

[0019] As a further technical solution of the present invention, the bottom end of the second mounting seat is movably connected to a connecting rod via a rotating shaft, and the operating assembly also includes a turntable located at the front end of the connecting rod, the middle part of the front end of the turntable is fixedly connected to the middle part of the rear end of the threaded rod, and the rear end of the turntable is fixedly connected to the first mounting seat at a position close to the outer side surface, and the other end of the connecting rod is movably connected to the first mounting seat.

[0020] As a further technical solution of the present invention, the front end of the regulating tank is fixedly connected to an extension sleeve, the inner movable sleeve of the extension sleeve is connected to an auxiliary pressure rod, and the front end of the auxiliary pressure rod passes through the front end of the extension sleeve and is connected to the movable plate.

[0021] When disassembling the bearing, since the outer side of the bearing has been fixed in advance, it is only necessary to continuously press the operating plate back and forth up and down to drive the first piston rod to move up and down, and drive the first piston plate and the connecting rod below to move up and down. At this time, the second mounting seat also moves up and down. At this time, the connecting rod located under the second mounting seat is deflected, and synchronously drives the first mounting seat to move in a circumferential direction. At this time, the turntable continues to rotate, and when the turntable continues to rotate forward, the threaded rod rotates accordingly, and with the cooperation of the threaded sleeve and the internal threads of the threaded rod, the movable plate is driven to move forward, and the extension rod and the pressure plate are driven forward, thereby applying pressure to the main shaft inside the bearing, forcing the bearing to leave the main shaft, causing the bearing to fall off the main shaft, and after falling off, it is still clamped and fixed by the three temporary storage tanks.

[0022] By utilizing the up and down reciprocating motion to convert it into a rotational motion, and finally converting the rotational motion into a linear displacement, by continuously applying pressure to the main shaft, the bearing is forced to leave the main shaft, thereby realizing the process of ejecting the bearing from the main shaft. After the bearing is disassembled, it can still be fixed by the locking assembly to prevent the bearing from falling, avoiding the poor safety caused by the use of gas welding in the traditional disassembly process, and the problem of easy damage to the bearing caused by knocking. The whole process can be completed by a single person with high safety. After the disassembly is completed, the possibility of damage to the bearing is small, and the bearing can be repaired and reused. The safety performance is good and the equipment is simple to operate, which is suitable for popularization and use.

[0023] During the disassembly of the bearing, due to the use of up and down reciprocating motion, when the operating plate is pressed down, the first piston rod and the first piston plate can be driven to move downward. When the first piston plate moves downward, the hydraulic oil located in the adjusting tank can be discharged through the first output port and enter the interior of the extension sleeve. At this time, forward pressure can be applied to the auxiliary pressure rod and the pressure can be transmitted to the movable plate to force the operating assembly to move forward, and the auxiliary pressure on the pressure plate can facilitate the falling off of the bearing. When the first piston plate moves up, negative pressure can be generated inside the connecting rod and the hydraulic oil can be sucked from the oil storage tank into the interior of the adjusting tank through the first input port to complete the replenishment of the hydraulic oil. The up and down displacement process can be repeated to continuously apply pressure to the movable plate to complete the auxiliary disassembly process.

[0024] By utilizing the up and down reciprocating motion during disassembly and converting it into forward pressure, the hydraulic oil can be applied and the downward pressure can be converted into the output of the hydraulic oil and the upward movement can be converted into the input of the hydraulic oil. The continuous pressure of the hydraulic oil can be used to assist the forward movement of the pressure plate, thereby reducing the manual force applied during the entire disassembly process to achieve a labor-saving process, avoiding the need for traditional devices to apply a large force to complete the bearing disassembly process and the phenomenon of arm soreness for maintenance personnel, significantly reducing the required force, and improving disassembly efficiency, which is suitable for popularization and use.

[0025] The beneficial effects of the present invention are as follows:

[0026] 1. The present invention can achieve the approach of three clamping plates by utilizing the continuous pressure of hydraulic oil, and realize the fixing process of the bearing by three-point fixation. The clamping state can be maintained by only keeping the flow rate of hydraulic oil unchanged. At the same time, the three clamping plates can be quickly reset by the reset action of the reset spring when the hydraulic oil is released, that is, the clamping or loosening process can be completed by only controlling the opening and closing of the valve, avoiding the problem that the traditional device requires one person to use manpower to apply force to the clamping claws to complete the bearing fixing process, realizing the fast clamping and loosening process of the bearing, providing necessary assistance for subsequent disassembly, and only using a single device and a single person to complete the clamping and disassembly process of the bearing, which is highly practical and suitable for use in track maintenance.

[0027] 2. The present invention utilizes the up and down reciprocating motion to convert it into a rotational motion, and finally converts the rotational motion into a linear displacement. By continuously applying pressure to the main shaft, the bearing is forced to leave the main shaft, thereby realizing the process of ejecting the bearing from the main shaft. After the bearing is disassembled, it can still be fixed by the locking assembly to prevent the bearing from falling. The poor safety caused by the use of gas welding in the traditional disassembly process and the problem of easy damage to the bearing by knocking are avoided. The whole process can be completed by a single person with high safety. After the disassembly is completed, the possibility of damage to the bearing is small, and the bearing can be repaired and reused. The safety performance is good and the equipment is simple to operate, which is suitable for popularization and use.

[0028] 3. The present invention utilizes the up and down reciprocating motion during disassembly and converts it into forward pressure. At the same time, it can act on hydraulic oil and convert the downward pressure into the output of hydraulic oil and the upward movement into the input of hydraulic oil, and utilize the continuous pressure of hydraulic oil to assist the forward movement of the pressure plate, thereby reducing the manual force applied during the entire disassembly process to achieve a labor-saving process, avoiding the need for traditional devices to apply a large force to complete the bearing disassembly process and the phenomenon of arm pain for maintenance personnel, significantly reducing the required force, and improving disassembly efficiency, which is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0030] Figure 2 is a schematic diagram of the front-end structure of the present invention;

[0031] Figure 3 It is a separate schematic diagram of the locking assembly structure of the present invention;

[0032] Figure 4 It is an exploded schematic diagram of the connecting seat structure of the present invention;

[0033] Figure 5is an internal cross-sectional view of the locking assembly structure of the present invention;

[0034] Figure 6 It is a schematic diagram of the matching structure of the threaded rod and the operating assembly of the present invention;

[0035] Figure 7 It is an exploded schematic diagram of the threaded rod and the operating assembly structure of the present invention;

[0036] Figure 8 It is a separate exploded schematic diagram of the operating component structure of the present invention.

[0037] In the figure: 1, fixed plate; 2, extension frame; 3, extension rod; 4, pressure plate; 5, movable plate; 6, threaded sleeve; 7, threaded rod; 8, operating assembly; 801, turntable; 802, first mounting seat; 803, connecting rod; 804, second mounting seat; 805, connecting rod; 806, regulating tank; 807, first piston plate; 808, first piston rod; 809, first input port; 8010, first output port; 8011, extension sleeve; 8012, auxiliary pressure rod; 8013, auxiliary pressure rod; 8014, auxiliary pressure rod; 8015, auxiliary pressure rod; 8016, auxiliary pressure rod; 8017, auxiliary pressure rod; 8018, auxiliary pressure rod; 8019, auxiliary pressure rod; 8020, auxiliary pressure rod; 8021, auxiliary pressure rod; 8022, auxiliary pressure rod; 8023, auxiliary pressure rod; 8024, auxiliary pressure rod; 8025, auxiliary pressure rod; 8026, auxiliary pressure rod; 8027, auxiliary pressure rod; 8028, auxiliary pressure rod; 8029, auxiliary pressure rod; 8030, auxiliary pressure rod; 8041, auxiliary pressure rod; 8050, auxiliary pressure rod; 806, auxiliary pressure rod; 8070, auxiliary pressure rod; 8080, auxiliary pressure rod; 809, auxiliary pressure rod; 8010, auxiliary pressure rod; 80110, auxiliary pressure rod; 80120, auxiliary pressure rod; 8021, auxiliary pressure rod; 8023, auxiliary pressure rod; 8024, auxiliary pressure rod; 8025, auxiliary pressure rod; 8026, auxiliary pressure rod; 8027, auxiliary pressure rod; 8028, auxiliary pressure rod; 8029, auxiliary pressure rod; 013, operating panel; 9, locking assembly; 901, temporary storage tank; 902, second input port; 903, second output port; 904, second piston plate; 905, second piston rod; 906, movable seat; 907, first fixed seat; 908, second fixed seat; 909, support rod; 9010, slider; 9011, clamping plate; 9012, connecting seat; 9013, guide rail; 9014, reset spring; 10, oil storage tank; 11, handle; 12, oil pipeline. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] like Figure 1 and Figure 2 as well as Figure 6As shown, in the embodiment of the present invention, the safety bearing removal device includes a fixed plate 1, an extension frame 2 is fixedly installed at an equal angle at the front end of the fixed plate 1, a locking assembly 9 is installed at the front end of the extension frame 2, a movable plate 5 is provided at the rear end of the fixed plate 1, an extension rod 3 is fixedly installed at the front end of the movable plate 5 at an equal angle, the front ends of the extension rod 3 respectively penetrate the fixed plate 1 and the locking assembly 9 and are fixedly installed with a pressure plate 4, a threaded sleeve 6 is fixedly installed at the rear end of the movable plate 5, a threaded rod 7 is connected to the internal thread of the threaded sleeve 6, a control assembly 8 is installed at the rear end of the threaded rod 7, the front end of the threaded rod 7 penetrates the movable plate 5 and is movably connected to the fixed plate 1, the movable plate 5 and the extension rod 3 as well as the pressure plate 4 can move relative to the threaded rod 7, an oil storage tank 10 is provided at the rear end of the control assembly 8, a handle 11 is fixedly installed at the rear end of the oil storage tank 10, and the left and right ends of the oil storage tank 10 are fixedly connected with oil pipelines 12.

[0040] Before using the device, it is necessary to ensure that the hydraulic oil in the oil storage tank 10 is in a normal state, and the operating assembly 8 and the locking assembly 9 are all restored to their initial states to complete the preparations before bearing disassembly.

[0041] like Figure 2 and Figure 3 as well as Figure 5 As shown, the locking assembly 9 includes a temporary storage tank 901, the left end of the temporary storage tank 901 is fixedly connected to a second output port 903, the right end of the temporary storage tank 901 is fixedly connected to a second input port 902, the second input port 902 and the second output port 903 are symmetrically arranged at a position located at the front end of the temporary storage tank 901, and one-way solenoid valves are installed inside the second input port 902 and the second output port 903, and the directions of the valves are respectively inward conduction and outward blockage and outward conduction and inward blockage.

[0042] When the bearing is disassembled, three support rods 909 need to be placed on the outer side of the bearing to clamp the bearing. The electromagnetic one-way valve located inside the second input port 902 can be opened to allow the hydraulic oil inside the oil storage tank 10 to flow into the second input port 902 through the oil pipe 12 and into the temporary storage tank 901. At this time, the electromagnetic one-way valve located inside the second output port 903 is in a normally closed state. When the bearing is loosened, the electromagnetic one-way valve located inside the second output port 903 can be opened. At this time, the hydraulic oil inside the temporary storage tank 901 can be discharged through the second output port 903 and returned to the oil storage tank 10 through the oil pipe 12 to complete the circulation of the hydraulic oil and the reset operation of the device.

[0043] like Figure 2 and Figure 3 as well as Figure 4 and Figure 5As shown, the interior of the temporary storage tank 901 is movably sleeved with a second piston plate 904, and a second piston rod 905 located inside the temporary storage tank 901 is fixedly installed at the front end of the second piston plate 904, and the front end of the second piston rod 905 passes through the front end of the temporary storage tank 901 and is fixedly connected to a movable seat 906, and a through hole for the extension rod 3 to pass through is opened at an equal angle on the movable seat 906, and a reset spring 9014 located inside the temporary storage tank 901 is fixedly connected to the rear end of the reset spring 9014 and the rear end of the inner cavity of the temporary storage tank 901 is fixedly connected, and a first fixed seat 907 is fixedly installed at an equal angle on the front end of the movable seat 906. One end away from the movable seat 906 is movably connected to a support rod 909 via a rotating shaft, and the other end of the support rod 909 is movably connected to a second fixed seat 908 via a rotating shaft. The locking assembly 9 also includes a connecting seat 9012, and the outer side surface of the connecting seat 9012 is fixedly connected to a guide rail 9013 at an equal angle. One end of the second fixed seat 908 away from the support rod 909 is fixedly connected to a slider 9010, and the slider 9010 and the guide rail 9013 are movably connected. There are three sliders 9010 and three guide rails 9013. The front ends of the three sliders 9010 are fixedly connected to a splint 9011 located on the outer side surface of the pressure plate 4, and the inner side surfaces of the splints 9011 are provided with anti-slip grooves.

[0044] First embodiment:

[0045] When the bearing is clamped, the hydraulic oil immediately enters the interior of the temporary storage tank 901 through the second input port 902 and applies rearward pressure to the second piston plate 904. At this time, the return spring 9014 is compressed, and the second piston plate 904 and the second piston rod 905 are displaced rearwardly, and drive the movable seat 906 to move rearwardly. At this time, since the movable seat 906 is connected to the support rod 909 and the support rod 909 is connected to the second fixed seat 908, the second fixed seat 908 can only slide relative to the guide rail 9013 under the drive of the slider 9010, that is, when the movable seat 906 is displaced rearwardly, the end of the first fixed seat 907 away from the movable seat 906 is immediately deflected toward the middle, that is, the three sliders 9010 are driven to approach the connecting seat 9012. At this time, the three clamping plates 9011 are relatively close to each other until the outer side of the bearing is clamped at three points to complete the bearing fixation. Otherwise, the three clamping plates 9011 can be relatively far away from each other to loosen the bearing.

[0046] By utilizing the continuous pressure of hydraulic oil, the three clamping plates 9011 can be brought close to each other, and the bearing can be fixed by three-point fixation. The clamping state can be maintained by only keeping the flow of hydraulic oil unchanged. At the same time, the three clamping plates 9011 can be quickly reset by the reset action of the reset spring 9014 when the hydraulic oil is released. That is, the clamping or loosening process can be completed by only controlling the opening and closing of the valve, avoiding the problem that the traditional device requires one person to use manpower to apply force to the clamping claws to complete the bearing fixing process, realizing the rapid clamping and loosening process of the bearing, providing necessary assistance for subsequent disassembly, and only using a single device and a single person to complete the clamping and disassembly process of the bearing, which is highly practical and suitable for track maintenance.

[0047] like Figure 2 and Figure 3 As shown, the oil pipeline 12 on the right is fixedly connected to the second input port 902 , and the oil pipeline 12 on the left is fixedly connected to the second output port 903 .

[0048] The flow circuit designed in this way ensures that when the bearing is clamped, the hydraulic oil can only flow from the oil storage tank 10 and through the right oil pipe 12 through the second input port 902 into the temporary storage tank 901, and when the bearing is loose, the hydraulic oil can only flow back from the second output port 903 and through the left oil pipe 12 to the inside of the oil storage tank 10 to complete the circulation, thereby ensuring the normal flow of the oil circuit.

[0049] like Figure 7 and Figure 8As shown, the operating assembly 8 includes a regulating tank 806, the right side of the regulating tank 806 near the bottom is fixedly connected with a first input port 809, the left side of the regulating tank 806 near the bottom is fixedly connected with a first output port 8010, the first input port 809 is fixedly connected with the oil storage tank 10, the first input port 809 and the first output port 8010 are both installed with a one-way valve inside, and the directions of the valves are respectively inward conduction and outward cut-off and outward conduction and inward cut-off, the regulating tank 806 is internally movably sleeved with a first piston plate 807, the bottom end of the first piston plate 807 is fixedly connected with a connecting rod 805 located inside the regulating tank 806, the bottom end of the connecting rod 805 passes through the bottom end of the regulating tank 806 and is fixedly connected with a second mounting seat 804, the top of the first piston plate 807 is fixedly connected with a The first piston rod 808 is inside the regulating tank 806, and the top end of the first piston rod 808 passes through the top end of the regulating tank 806 and is fixedly connected to the operating plate 8013. The bottom end of the second mounting seat 804 is movably connected to the connecting rod 803 through a rotating shaft. The operating component 8 also includes a turntable 801 located at the front end of the connecting rod 803. The middle part of the front end of the turntable 801 is fixedly connected to the middle part of the rear end of the threaded rod 7. The rear end of the turntable 801 is fixedly connected to the first mounting seat 802 near the outer side surface. The other end of the connecting rod 803 is movably connected to the first mounting seat 802. The front end of the regulating tank 806 is fixedly connected to an extension sleeve 8011. The internal movably sleeve of the extension sleeve 8011 is connected to an auxiliary pressure rod 8012. The front end of the auxiliary pressure rod 8012 passes through the front end of the extension sleeve 8011 and is connected to the movable plate 5.

[0050] Second embodiment:

[0051] When the bearing is disassembled, since the outer side of the bearing has been fixed in advance, it is only necessary to continuously press the operating plate 8013 back and forth to drive the first piston rod 808 to move up and down, and drive the first piston plate 807 and the connecting rod 805 below to move up and down. At this time, the second mounting seat 804 also moves up and down. At this time, the connecting rod 803 located below the second mounting seat 804 deflects accordingly, and synchronously drives the first mounting seat 802 to move in a circumferential direction. At this time, the turntable 801 continues to rotate accordingly, and when the turntable 801 continues to rotate forward, the threaded rod 7 rotates accordingly, and drives the movable plate 5 to move forward with the cooperation of the threaded sleeve 6 and the internal threads of the threaded rod 7, and drives the extension rod 3 and the pressure plate 4 to move forward, thereby applying pressure to the main shaft inside the bearing, forcing the bearing to leave the main shaft, so that the bearing falls off the main shaft, and after falling off, it is still clamped and fixed by the three temporary storage tanks 901.

[0052] By utilizing the up and down reciprocating motion to convert it into a rotational motion, and finally converting the rotational motion into a linear displacement, by continuously applying pressure to the main shaft, the bearing is forced to leave the main shaft, thereby realizing the process of ejecting the bearing from the main shaft, and the bearing can still be fixed by the locking component 9 after disassembly to prevent the bearing from falling, avoiding the poor safety caused by the use of gas welding in the traditional disassembly process, and the problem of easy damage to the bearing caused by knocking. The whole process can be completed by a single person, and the safety is relatively high. After the disassembly is completed, the possibility of damage to the bearing is small, and the bearing can be repaired and reused. The safety performance is good and the equipment is simple to operate, which is suitable for popularization and use.

[0053] Third embodiment:

[0054] During the disassembly of the bearing, due to the use of up and down reciprocating motion, when the operating plate 8013 is pressed down, the first piston rod 808 and the first piston plate 807 can be driven to move downward. When the first piston plate 807 moves downward, the hydraulic oil located inside the adjusting tank 806 can be discharged through the first output port 8010 and enter the extension sleeve 8011. At this time, forward pressure can be applied to the auxiliary pressure rod 8012 and the pressure can be transmitted to the movable plate 5 to force the operating assembly 8 to move forward, thereby assisting in applying pressure to the pressure plate 4 to facilitate the removal of the bearing. When the first piston plate 807 moves upward, negative pressure can be generated inside the connecting rod 805 and the hydraulic oil can be sucked from the oil storage tank 10 into the adjusting tank 806 through the first input port 809 to complete the replenishment of the hydraulic oil. The up and down displacement process can be repeated to continuously apply pressure to the movable plate 5 to complete the auxiliary disassembly process.

[0055] By utilizing the up and down reciprocating motion during disassembly and converting it into forward pressure, the hydraulic oil can be applied and the downward pressure can be converted into the output of the hydraulic oil and the upward movement can be converted into the input of the hydraulic oil. The continuous pressure of the hydraulic oil can be used to assist the forward movement of the pressure plate 4, thereby reducing the manual force applied during the entire disassembly process to achieve a labor-saving process, avoiding the need for traditional devices to apply a large force to complete the bearing disassembly process and the phenomenon of arm soreness for maintenance personnel, significantly reducing the required force, and improving disassembly efficiency, which is suitable for popularization and use.

[0056] Working principle and usage process:

[0057] When the bearing is disassembled, the three support rods 909 need to be placed on the outer side of the bearing to clamp the bearing. The electromagnetic one-way valve located inside the second input port 902 can be opened to allow the hydraulic oil located inside the oil storage tank 10 to flow into the second input port 902 through the oil pipe 12 and into the temporary storage tank 901. At this time, the electromagnetic one-way valve located inside the second output port 903 is in a normally closed state. When the bearing is loosened, the electromagnetic one-way valve located inside the second output port 903 can be opened. At this time, the hydraulic oil located inside the temporary storage tank 901 can be discharged through the second output port 903 and flow back to the oil storage tank 10 through the oil pipe 12 to complete the circulation of the hydraulic oil and the reset operation of the device.

[0058] When the bearing is clamped, the hydraulic oil immediately enters the interior of the temporary storage tank 901 through the second input port 902 and applies rearward pressure to the second piston plate 904. At this time, the return spring 9014 is compressed, and the second piston plate 904 and the second piston rod 905 are displaced backward accordingly, and drive the movable seat 906 to move backward. At this time, since the movable seat 906 is connected to the support rod 909 and the support rod 909 is connected to the second fixed seat 908, the second fixed seat 908 can only slide relative to the guide rail 9013 under the drive of the slider 9010, that is, when the movable seat 906 is displaced backward, the end of the first fixed seat 907 away from the movable seat 906 is immediately deflected toward the middle, that is, the three sliders 9010 are driven to approach the connecting seat 9012. At this time, the three clamping plates 9011 are relatively close to each other until the outer side of the bearing is clamped at three points to complete the bearing fixation. Conversely, the three clamping plates 9011 can be relatively moved away to loosen the bearing.

[0059] When the bearing is disassembled, since the outer side of the bearing has been fixed in advance, it is only necessary to press the operating plate 8013 up and down to drive the first piston rod 808 to move up and down, and drive the first piston plate 807 and the connecting rod 805 below to move up and down. At this time, the second mounting seat 804 moves up and down accordingly. At this time, the connecting rod 803 located below the second mounting seat 804 deflects accordingly, and synchronously drives the first mounting seat 802 to move circumferentially. At this time, the turntable 801 continues to rotate accordingly. When the turntable 801 continues to rotate forward, the threaded rod 7 rotates accordingly, and drives the movable plate 5 to move forward under the cooperation of the threaded sleeve 6 and the internal threads of the threaded rod 7, and drives the extension rod 3 and the pressure plate 4 to move forward, thereby applying pressure to the main shaft inside the bearing, forcing the bearing to leave the main shaft, so that the bearing falls off the main shaft, and after falling off, it is still clamped and fixed by the three temporary storage tanks 901;

[0060] During the disassembly of the bearing, due to the use of up and down reciprocating motion, when the operating plate 8013 is pressed down, the first piston rod 808 and the first piston plate 807 can be driven to move downward. When the first piston plate 807 moves downward, the hydraulic oil located inside the adjusting tank 806 can be discharged through the first output port 8010 and enter the extension sleeve 8011. At this time, forward pressure can be applied to the auxiliary pressure rod 8012 and the pressure can be transmitted to the movable plate 5 to force the operating assembly 8 to move forward, thereby assisting in applying pressure to the pressure plate 4 to facilitate the removal of the bearing. When the first piston plate 807 moves upward, negative pressure can be generated inside the connecting rod 805 and the hydraulic oil can be sucked from the oil storage tank 10 into the adjusting tank 806 through the first input port 809 to complete the replenishment of the hydraulic oil. The up and down displacement process can be repeated to continuously apply pressure to the movable plate 5 to complete the auxiliary disassembly process.

[0061] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety bearing removal device, comprising a fixing plate (1), characterized in that: The front end of the fixed plate (1) is fixedly mounted with an extension frame (2) at an equal angle, the front end of the extension frame (2) is mounted with a locking assembly (9), the rear end of the fixed plate (1) is provided with a movable plate (5), the front end of the movable plate (5) is fixedly mounted with an extension rod (3) at an equal angle, the front end of the extension rod (3) respectively penetrates the fixed plate (1) and the locking assembly (9) and is fixedly mounted with a pressing plate (4), the rear end of the movable plate (5) is fixedly mounted with a threaded sleeve (6), the internal thread of the threaded sleeve (6) is connected to the A threaded rod (7) is connected, and a control assembly (8) is installed at the rear end of the threaded rod (7). The front end of the threaded rod (7) passes through the movable plate (5) and is movably connected to the fixed plate (1). The movable plate (5), the extension rod (3) and the pressure plate (4) can move relative to the threaded rod (7). An oil storage tank (10) is provided at the rear end of the control assembly (8). A handle (11) is fixedly installed at the rear end of the oil storage tank (10). The left and right ends of the oil storage tank (10) are fixedly connected to oil delivery pipes (12).

2. A safety bearing removal device according to claim 1, characterized in that: The locking assembly (9) comprises a temporary storage tank (901), the left end of the temporary storage tank (901) is fixedly connected to a second output port (903), the right end of the temporary storage tank (901) is fixedly connected to a second input port (902), the second input port (902) and the second output port (903) are symmetrically arranged at a position located at the front end of the temporary storage tank (901), and one-way solenoid valves are installed inside the second input port (902) and the second output port (903), and the directions of the valves are respectively inwardly conducting and outwardly blocking, and outwardly conducting and inwardly blocking.

3. A safety bearing removal device according to claim 2, characterized in that: The temporary storage tank (901) is movably sleeved with a second piston plate (904), and a second piston rod (905) located inside the temporary storage tank (901) is fixedly installed at the front end of the second piston plate (904). The front end of the second piston rod (905) passes through the front end of the temporary storage tank (901) and is fixedly connected to a movable seat (906). The movable seat (906) is provided with a through hole at an equal angle for the extension rod (3) to pass through. The rear end of the second piston plate (904) is fixedly connected to a reset spring (9014) located inside the temporary storage tank (901), and the rear end of the reset spring (9014) is fixedly connected to the rear end of the inner cavity of the temporary storage tank (901).

4. A safety bearing removal device according to claim 3, characterized in that: A first fixed seat (907) is fixedly installed at an equal angle on the front end of the movable seat (906); one end of the first fixed seat (907) away from the movable seat (906) is movably connected to a support rod (909) via a rotating shaft; the other end of the support rod (909) is movably connected to a second fixed seat (908) via a rotating shaft; the locking assembly (9) also includes a connecting seat (9012); the outer side surface of the connecting seat (9012) is fixedly connected to a guide rail (9013) at an equal angle.

5. A safety bearing removal device according to claim 4, characterized in that: The end of the second fixed seat (908) away from the support rod (909) is fixedly connected with a slider (9010), and the slider (9010) is movably connected to the guide rail (9013). The number of the sliders (9010) and the guide rail (9013) is three, and the front ends of the three sliders (9010) are fixedly connected with a clamping plate (9011) located on the outer side of the pressure plate (4), and the inner side of the clamping plate (9011) is provided with an anti-slip groove.

6. A safety bearing removal device according to claim 2, characterized in that: The oil delivery pipe (12) located on the right side is fixedly connected to the second input port (902), and the oil delivery pipe (12) located on the left side is fixedly connected to the second output port (903).

7. A safety bearing removal device according to claim 1, characterized in that: The control assembly (8) comprises a regulating tank (806), wherein the right side of the regulating tank (806) near the bottom is fixedly connected to a first input port (809), and the left side of the regulating tank (806) near the bottom is fixedly connected to a first output port (8010), wherein the first input port (809) is fixedly connected to an oil storage tank (10), and a one-way valve is installed inside the first input port (809) and the first output port (8010), and the directions of the valves are respectively inwardly conducting and outwardly blocking, and outwardly conducting and inwardly blocking.

8. A safety bearing removal device according to claim 7, characterized in that: The regulating tank (806) is internally movably sleeved with a first piston plate (807), the bottom end of the first piston plate (807) is fixedly connected to a connecting rod (805) located inside the regulating tank (806), the bottom end of the connecting rod (805) passes through the bottom end of the regulating tank (806) and is fixedly connected to a second mounting seat (804), the top end of the first piston plate (807) is fixedly connected to a first piston rod (808) located inside the regulating tank (806), the top end of the first piston rod (808) passes through the top end of the regulating tank (806) and is fixedly connected to an operating panel (8013).

9. A safety bearing removal device according to claim 8, characterized in that: The bottom end of the second mounting seat (804) is movably connected to a connecting rod (803) via a rotating shaft. The operating assembly (8) further comprises a rotating disk (801) located at the front end of the connecting rod (803). The middle part of the front end of the rotating disk (801) is fixedly connected to the middle part of the rear end of the threaded rod (7). The rear end of the rotating disk (801) is fixedly connected to a first mounting seat (802) at a position close to the outer side surface. The other end of the connecting rod (803) is movably connected to the first mounting seat (802).

10. A safety bearing removal device according to claim 7, characterized in that: The front end of the regulating tank (806) is fixedly connected to an extension sleeve (8011), the inner movable sleeve of the extension sleeve (8011) is connected to an auxiliary pressure rod (8012), and the front end of the auxiliary pressure rod (8012) passes through the front end of the extension sleeve (8011) and is connected to the movable plate (5).

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