A device for detecting and correcting the roundness of a slewing bearing gear ring

Abstract

The present invention relates to the technical field of detection and correction devices, and discloses a detection and correction device for the roundness of a slewing bearing gear ring, comprising a main frame, a detection mechanism and a flame spray gun, a first T-shaped slot is provided on the right side of the lower end of the horizontal part of the main frame, a first T-shaped slider is slidably connected inside the first T-shaped slot, a first threaded rod is transversely arranged inside the first T-shaped slot, both ends of the first threaded rod are rotatably connected to the left and right side walls of the first T-shaped slot respectively through a first rolling bearing, the right end of the first threaded rod sequentially penetrates the first T-shaped slider and the right side wall of the first T-shaped slot and extends to the outside of the main frame, and the first threaded rod is threadedly connected to the first T-shaped slider. The present invention can automatically and effectively drive the flame spray head to move in all directions, so as to perform flame spray correction on the gear ring of the slewing bearing, avoid safety hazards caused by hand-held operation, and facilitate people's use.

Description

Technical Field

[0001] The invention relates to the technical field of detection and correction devices, and in particular to a detection and correction device for the roundness of a slewing bearing gear ring. Background Art

[0002] The detection and correction of the roundness of the slewing bearing gear ring has always been a major problem that has troubled the industry. Slewing bearings are widely used in engineering machinery. In order to ensure the service life of the gear ring, the gear ring and raceway are required to be surface quenched during the manufacturing process. However, due to the large internal and external deformation of the slewing bearing gear ring after quenching, if it is not corrected, it will seriously affect the service life of the gear ring.

[0003] At present, my country has developed a detection mechanism that can check the roundness of the slewing bearing gear ring, and then correct it by quenching the surface of the gear ring and the raceway. However, the quenching of the gear ring and the raceway is performed manually by a handheld flame spray gun, which poses a safety hazard and is likely to cause harm to the human body. Therefore, a detection and correction device for the roundness of the slewing bearing gear ring is proposed. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that in the prior art, the gear ring and raceway quenching is performed manually by hand-held flame spray gun, which has potential safety hazards and is likely to cause harm to the human body, and a slewing bearing gear ring roundness detection and correction device is proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A device for detecting and correcting the roundness of a slewing bearing gear ring comprises a main frame, a detection mechanism and a flame spray gun, a first T-shaped slide groove is provided on the right side of the lower end of the horizontal part of the main frame, a first T-shaped slider is slidably connected inside the first T-shaped slide groove, a first transversely arranged first threaded rod is provided inside the first T-shaped slide groove, both ends of the first threaded rod are rotatably connected to the left and right side walls of the first T-shaped slide groove respectively through a first rolling bearing, the right end of the first threaded rod sequentially penetrates the first T-shaped slider and the right side wall of the first T-shaped slide groove and extends to the outside of the main frame, and the first threaded rod is threadedly connected to the first T-shaped slider, a first motor is fixedly connected to the horizontal end of the main frame, an output end of the first motor is rotatably connected to the first threaded rod through a first coupling, a T-shaped slide rail is fixedly connected to the lower end of the first T-shaped slider, the T-shaped slide rail is longitudinally arranged, and the T-shaped The interior of the slide rail is slidably connected to a second T-shaped slider, a longitudinally arranged second threaded rod is provided inside the T-shaped slide rail, both ends of the second threaded rod are rotatably connected to the two side walls of the T-shaped slide rail through second rolling bearings, the rear end of the second threaded rod sequentially penetrates the second T-shaped slider and the rear side wall of the T-shaped slide rail and extends to the outside of the T-shaped slide rail, and the second threaded rod is threadedly connected to the second T-shaped slider, the rear end of the T-shaped slide rail is fixedly connected to a second motor, the output end of the second motor is rotatably connected to the second threaded rod through a second coupling, the lower end of the second T-shaped slider is fixedly connected to an electric push rod, the lower end of the electric push rod is fixedly connected to a third motor, the end of the third motor close to the detection mechanism is rotatably connected to a rotating shaft through a third coupling, and the end of the rotating shaft away from the third motor is provided with a mounting mechanism and fixedly connected to the flame spray gun through the mounting mechanism.

[0007] Preferably, the mounting mechanism includes a first fixed block fixedly arranged at the left end of the rotating shaft, the first fixed block is provided with two symmetrically arranged grooves inside, a clamping block is movably provided inside the groove, one end of the clamping block located inside the groove is fixedly connected to a spring, the end of the spring away from the clamping block is fixedly connected to the bottom of the groove, the end of the flame spray gun close to the rotating shaft is fixedly connected to a second fixed block, the end of the second fixed block close to the first fixed block is provided with a fixing groove matching the first fixed block, and the upper and lower side walls of the fixing groove are provided with clamping holes matching the clamping block.

[0008] Preferably, one end of the left and right side walls of the block located inside the groove is fixedly connected to a first sliding block, and the left and right side walls of the groove are provided with a first sliding groove matching the first sliding block.

[0009] Preferably, a push block is movably provided inside the clamping hole, and a second sliding block is fixedly connected to one end of the left and right side walls of the push block close to the clamping block, and a second sliding groove matching the second sliding block is opened on the left and right side walls of the clamping hole.

[0010] Preferably, two symmetrically arranged limiting rods are fixedly connected to the bottom of the fixing groove, and two limiting grooves matching the limiting rods are formed at one end of the first fixing block away from the rotating shaft.

[0011] Preferably, a cover shell is fixedly sleeved on the shaft wall of the rotating shaft, and an opening is formed at the left end of the cover shell.

[0012] Preferably, a first ball is embedded in the upper end of the first T-shaped sliding block, the first ball is rollingly connected to the first T-shaped sliding block, and the upper side wall of the first ball is disposed against the bottom of the first T-shaped sliding groove.

[0013] Preferably, a second ball is embedded in the upper end of the second T-shaped slider, the second ball is rollingly connected to the second T-shaped slider, and the upper side wall of the second ball is disposed against the upper inner side wall of the T-shaped slide rail.

[0014] Preferably, the first threaded rod and the second threaded rod are both made of No. 45 steel, and the surfaces of the first threaded rod and the second threaded rod are coated with lubricating oil.

[0015] Compared with the prior art, the present invention provides a device for detecting and correcting the roundness of a slewing bearing gear ring, which has the following beneficial effects:

[0016] 1. The detection and correction device for the roundness of the slewing bearing gear ring can drive the first threaded rod to rotate through the first motor, and the rotation of the first threaded rod can drive the first T-shaped slider to move laterally, the first T-shaped slider can drive the T-shaped slide rail to move laterally, the T-shaped slide rail can drive the second T-shaped slider and the electric push rod to move laterally, the electric push rod can drive the flame spray gun to move laterally through the third motor and the rotating shaft, the second threaded rod can drive the second T-shaped slider to move longitudinally through the second motor, the second T-shaped slider can drive the electric push rod and the third motor to move longitudinally, the third motor can drive the flame spray gun to move longitudinally through the rotating shaft, the third motor and the rotating shaft can be driven to move vertically through the electric push rod, the rotating shaft can drive the flame spray gun to move vertically, so that the flame spray gun can be automatically driven to move in multiple directions, the rotating shaft can be driven to rotate through the third motor, and the rotating shaft can drive the flame spray gun to rotate, so that the flame spray gun can be aligned with the correction position of the gear ring of the slewing bearing, so as to facilitate the flame spray correction of the gear ring of the slewing bearing and avoid safety hazards caused by hand-held operation.

[0017] 2. The detection and correction device for the roundness of the slewing bearing gear ring is provided with a first fixing block and a second fixing block, and the first fixing block is inserted into the fixing groove on the second fixing block. The two springs provided can apply elastic force to the two clamping blocks, so that the two clamping blocks can be inserted into the two clamping holes, and the first fixing block and the second fixing block can be fixedly connected, so that the rotating shaft and the flame spray gun can be fixedly connected. When disassembly is required, pressing the two pressing blocks can apply pressure to the two clamping blocks, so that the two pressing blocks are moved out of the two pressing holes, so that the first fixing block and the second fixing block can be separated, which is convenient for replacing the flame spray gun and convenient for people to use.

[0018] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The present invention can automatically and effectively drive the flame nozzle to move in all directions, so as to perform flame spraying correction on the gear ring of the slewing bearing, avoid safety hazards caused by people's hand-held operation, and facilitate people's use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a device for detecting and correcting the roundness of a slewing bearing gear ring proposed by the present invention;

[0020] Figure 2 A schematic diagram of the side structure of a device for detecting and correcting the roundness of a slewing bearing gear ring proposed by the present invention;

[0021] Figure 3 for Figure 1 A magnified view of the structure of part A;

[0022] Figure 4 for Figure 1 Schematic diagram of the structure of the installation mechanism.

[0023] In the figure: 1 main frame, 2 detection mechanism, 3 flame spray gun, 4 first T-shaped slider, 5 first threaded rod, 6 first motor, 7 T-shaped slide rail, 8 second T-shaped slider, 9 second threaded rod, 10 second motor, 11 electric push rod, 12 third motor, 13 rotating shaft, 14 first fixed block, 15 clamping block, 16 spring, 17 second fixed block, 18 first slider, 19 pressing block, 20 second slider, 21 limiting rod, 22 cover shell. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] Reference Figure 1-4 , a detection and correction device for the roundness of a slewing bearing gear ring, comprising a main frame 1, a detection mechanism 2 and a flame spray gun 3, a first T-shaped slot is provided on the right side of the lower end of the horizontal portion of the main frame 1, a first T-shaped slider 4 is slidably connected inside the first T-shaped slot, a first threaded rod 5 is arranged transversely inside the first T-shaped slot, both ends of the first threaded rod 5 are rotatably connected to the left and right side walls of the first T-shaped slot respectively through a first rolling bearing, the right end of the first threaded rod 5 sequentially penetrates the first T-shaped slider 4 and the right side wall of the first T-shaped slot and extends to the outside of the main frame 1, and the first threaded rod 5 is threadedly connected to the first T-shaped slider 4, a first motor 6 is fixedly connected to the horizontal end of the main frame 1, an output end of the first motor 6 is rotatably connected to the first threaded rod 5 through a first coupling, a T-shaped slide rail 7 is fixedly connected to the lower end of the first T-shaped slider 4, the T-shaped slide rail 7 is longitudinally arranged, a second T-shaped slider 8 is slidably connected inside the T-shaped slide rail 7, and the T-shaped slide rail A longitudinally arranged second threaded rod 9 is provided inside 7, and both ends of the second threaded rod 9 are rotatably connected to the two side walls of the T-shaped slide rail 7 through second rolling bearings respectively. The rear end of the second threaded rod 9 sequentially penetrates the second T-shaped slider 8 and the rear side wall of the T-shaped slide rail 7 and extends to the outside of the T-shaped slide rail 7, and the second threaded rod 9 is threadedly connected to the second T-shaped slider 8. The rear end of the T-shaped slide rail 7 is fixedly connected with a second motor 10, and the output end of the second motor 10 is rotatably connected to the second threaded rod 9 through a second coupling. The lower end of the second T-shaped slider 8 is fixedly connected with an electric push rod 11, and the lower end of the electric push rod 11 is fixedly connected with a third motor 12. The end of the third motor 12 close to the detection mechanism 2 is rotatably connected with a rotating shaft 13 through a third coupling. The end of the rotating shaft 13 away from the third motor 12 is provided with a mounting mechanism and is fixedly connected to the flame spray gun 3 through the mounting mechanism. The detection mechanism 2 can detect the roundness of the slewing bearing gear ring, which is a prior art.

[0027] The mounting mechanism includes a first fixed block 14 fixedly arranged at the left end of the rotating shaft 13, the interior of the first fixed block 14 is provided with two symmetrically arranged grooves, a clamping block 15 is movably arranged inside the groove, one end of the clamping block 15 located inside the groove is fixedly connected with a spring 16, and the end of the spring 16 away from the clamping block 15 is fixedly connected to the groove bottom of the groove, and the end of the flame spray gun 3 close to the rotating shaft 13 is fixedly connected with a second fixed block 17, and the end of the second fixed block 17 close to the first fixed block 14 is provided with a fixing groove matching the first fixed block 14, and the upper and lower side walls of the fixing groove are provided with clamping holes matching the clamping block 15, so as to facilitate the installation and disassembly of the flame spray gun 3 and facilitate people's replacement.

[0028] The left and right side walls of the block 15 are fixedly connected to one end of the groove with a first slider 18, and the left and right side walls of the groove are provided with a first sliding groove matching the first slider 18, which can make the movement of the block 15 more stable and prevent the block 15 from moving out of the groove.

[0029] A pressing block 19 is movably provided inside the card hole, and a second slider 20 is fixedly connected to one end of the left and right side walls of the pressing block 19 close to the card block 15. A second sliding groove matching the second slider 20 is provided on the left and right side walls of the card hole. The pressing block 19 can facilitate people to press the card block 15, and the second slider 20 can make the movement of the pressing block 19 more stable and prevent the pressing block 19 from moving out of the card hole.

[0030] The bottom of the fixing groove is fixedly connected with two symmetrically arranged limit rods 21, and the end of the first fixing block 14 away from the rotating shaft 13 is provided with two limit grooves matching the limit rods 21, so as to facilitate the first fixing block 14 to be inserted into the fixing groove for positioning, and the two clamping blocks 15 are aligned with the two clamping holes.

[0031] A cover shell 22 is fixedly sleeved on the shaft wall of the rotating shaft 13. An opening is provided at the left end of the cover shell 22 to shield the flame spray gun 3 to prevent people from being injured by accidental contact.

[0032] A first ball is embedded in the upper end of the first T-shaped slider 4, and the first ball is rollingly connected to the first T-shaped slider 4. The upper side wall of the first ball is arranged to abut against the bottom of the first T-shaped groove, which can reduce the sliding friction between the first T-shaped slider 4 and the first T-shaped groove, and facilitates the stable movement of the first T-shaped slider 4.

[0033] A second ball is embedded in the upper end of the second T-shaped slider 8, and the second ball is rollingly connected to the second T-shaped slider 8. The upper side wall of the second ball is set against the upper inner wall of the T-shaped slide rail 7, which can reduce the sliding friction between the second T-shaped slider 8 and the T-shaped slide rail, making it easier for the second T-shaped slider 8 to move stably.

[0034] The first threaded rod 5 and the second threaded rod 9 are both made of No. 45 steel. The first threaded rod 5 and the second threaded rod 9 are firm and durable and not easy to deform. The surfaces of the first threaded rod 5 and the second threaded rod 9 are coated with lubricating oil, which can reduce the friction between the first threaded rod 5 and the second threaded rod 9 and the first T-shaped slider 4 and the second T-shaped slider 8 respectively.

[0035] In the present invention, when in use, the first motor 6 can drive the first threaded rod 5 to rotate, the rotation of the first threaded rod 5 can drive the first T-shaped slider 4 to move laterally, the first T-shaped slider 4 can drive the T-shaped slide rail 7 to move laterally, the T-shaped slide rail 7 can drive the second T-shaped slider 8 and the electric push rod 11 to move laterally, the electric push rod 11 can drive the flame spray gun 3 to move laterally through the third motor 12 and the rotating shaft 13, the second motor 10 can drive the second threaded rod 9 to rotate, the rotation of the second threaded rod 9 can drive the second T-shaped slider 8 to move longitudinally, the second T-shaped slider 8 can drive the electric push rod 11 to move laterally. The rod 11 and the third motor 12 move longitudinally, the third motor 12 can drive the flame spray gun 3 to move longitudinally through the rotating shaft 13, the third motor 12 and the rotating shaft 13 can be driven to move vertically through the electric push rod 11, the rotating shaft 13 can drive the flame spray gun 3 to move vertically, thereby automatically driving the flame spray gun 3 to move in multiple directions, the rotating shaft 13 can be driven to rotate by the third motor 12, and the rotating shaft 13 can drive the flame spray gun 3 to rotate, thereby aligning the flame spray gun 3 with the gear ring correction position of the slewing bearing, facilitating the flame spray correction of the gear ring of the slewing bearing, and avoiding safety hazards caused by people's hand-held operation.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for detecting and correcting the roundness of a slewing bearing gear ring, comprising a main frame (1), a detection mechanism (2) and a flame spray gun (3), characterized in that: A first T-shaped slide groove is provided on the right side of the lower end of the horizontal part of the main frame (1), and a first T-shaped slider (4) is slidably connected inside the first T-shaped slide groove. A first threaded rod (5) is arranged transversely inside the first T-shaped slide groove, and both ends of the first threaded rod (5) are rotatably connected to the left and right side walls of the first T-shaped slide groove respectively through first rolling bearings. The right end of the first threaded rod (5) sequentially penetrates the first T-shaped slider (4) and the right side wall of the first T-shaped slide groove and extends to the outside of the main frame (1), and the first threaded rod (5) is threadedly connected to the first T-shaped slider (4). A first motor (6) is fixedly connected to the horizontal end of the main frame (1), and an output end of the first motor (6) is rotatably connected to the first threaded rod (5) through a first coupling. A T-shaped slide rail (7) is fixedly connected to the lower end of the first T-shaped slider (4), and the T-shaped slide rail (7) is arranged longitudinally. A second T-shaped slider (8) is slidably connected inside the T-shaped slide rail (7). The T-shaped slide rail (7) is provided with a A second threaded rod (9) is arranged longitudinally, and both ends of the second threaded rod (9) are rotatably connected to the two side walls of the T-shaped slide rail (7) through second rolling bearings respectively. The rear end of the second threaded rod (9) sequentially passes through the second T-shaped slider (8) and the rear side wall of the T-shaped slide rail (7) and extends to the outside of the T-shaped slide rail (7). The second threaded rod (9) is threadedly connected to the second T-shaped slider (8). The rear end of the T-shaped slide rail (7) is fixedly connected to a second motor (10). The output end of the second motor (10) is rotatably connected to the second threaded rod (9) through a second coupling. The lower end of the second T-shaped slider (8) is fixedly connected to an electric push rod (11). The lower end of the electric push rod (11) is fixedly connected to a third motor (12). The end of the third motor (12) close to the detection mechanism (2) is rotatably connected to a rotating shaft (13) through a third coupling. The end of the rotating shaft (13) away from the third motor (12) is provided with a mounting mechanism and is fixedly connected to the flame spray gun (3) through the mounting mechanism. The mounting mechanism comprises a first fixed block (14) fixedly arranged at the left end of the rotating shaft (13), the first fixed block (14) having two symmetrically arranged grooves formed therein, a clamping block (15) being movably formed therein, one end of the clamping block (15) located inside the groove being fixedly connected to a spring (16), the end of the spring (16) away from the clamping block (15) being fixedly connected to the bottom of the groove, the end of the flame spray gun (3) close to the rotating shaft (13) being fixedly connected to a second fixed block (17), the end of the second fixed block (17) close to the first fixed block (14) being provided with a fixed groove matching the first fixed block (14), the upper and lower side walls of the fixed groove being provided with clamping holes matching the clamping block (15), the left and right side walls of the clamping block (15) being fixedly connected to the first sliding block (18) at one end located inside the groove, the left and right side walls of the groove being provided with a first sliding groove matching the first sliding block (18), A pressing block (19) is movably provided inside the clamping hole, and a second slider (20) is fixedly connected to one end of the left and right side walls of the pressing block (19) close to the clamping block (15), and a second sliding groove matching the second slider (20) is provided on the left and right side walls of the clamping hole, and two symmetrically arranged limiting rods (21) are fixedly connected to the bottom of the fixing groove, and two limiting grooves matching the limiting rods (21) are provided at one end of the first fixing block (14) away from the rotating shaft (13), and a cover shell (22) is fixedly sleeved on the shaft wall of the rotating shaft (13), and a left end of the cover shell (22) is provided. The first T-shaped slider (4) has an opening, a first ball is embedded in the upper end of the first T-shaped slider (4), the first ball is connected to the first T-shaped slider (4) in a rolling manner, the upper side wall of the first ball is set against the bottom of the first T-shaped slide groove, the second T-shaped slider (8) has a second ball embedded in the upper end of the second T-shaped slider (8), the second ball is connected to the second T-shaped slider (8) in a rolling manner, the upper side wall of the second ball is set against the upper inner side wall of the T-shaped slide rail (7), the first threaded rod (5) and the second threaded rod (9) are both made of 45# steel, and the surfaces of the first threaded rod (5) and the second threaded rod (9) are coated with lubricating oil; The correction method comprises: a first motor (6) is provided to drive the first threaded rod (5) to rotate, the rotation of the first threaded rod (5) is able to drive the first T-shaped slider (4) to move horizontally, the first T-shaped slider (4) is able to drive the T-shaped slide rail (7) to move horizontally, the T-shaped slide rail (7) is able to drive the second T-shaped slider (8) and the electric push rod (11) to move horizontally, the electric push rod (11) is able to drive the flame spray gun (3) to move horizontally through the third motor (12) and the rotating shaft (13), the second motor (10) is provided to drive the second threaded rod (9) to rotate, the rotation of the second threaded rod (9) is able to drive the second T-shaped slider (8) to move longitudinally, the second T-shaped slider (8) is able to move horizontally, and the second T-shaped slider (8) is able to move horizontally. ) can drive the electric push rod (11) and the third motor (12) to move longitudinally, the third motor (12) can drive the flame spray gun (3) to move longitudinally through the rotating shaft (13), the electric push rod (11) can drive the third motor (12) and the rotating shaft (13) to move vertically, the rotating shaft (13) can drive the flame spray gun (3) to move vertically, thereby automatically driving the flame spray gun (3) to move in multiple directions, the third motor (12) can drive the rotating shaft (13) to rotate, the rotating shaft (13) can drive the flame spray gun (3) to rotate, thereby aligning the flame spray gun (3) with the gear ring correction position of the slewing bearing, thereby facilitating the flame spray correction of the gear ring of the slewing bearing.

Images