Slewing bearing inner ring raceway machining lifting appliance

Abstract

The utility model discloses a lifting appliance for machining an inner ring raceway of a slewing bearing, and belongs to the technical field of slewing bearing machining. A slewing bearing inner ring raceway machining lifting appliance comprises a lifting appliance support, a turnover clamping plate is installed outside the lifting appliance support, a movable shaft is installed between the turnover clamping plate and the lifting appliance support, a fastening clamping plate is installed below the lifting appliance support, and an extrusion clamping plate is installed below the turnover clamping plate. The utility model solves the problems that the structural position of the existing slewing bearing lifting appliance is inconvenient to adjust, the operation is influenced, and the existing slewing bearing lifting appliance is unfavorable for adapting to slewing bearings of different types in the actual use process, and the turnover clamping plate and the extrusion clamping plate are driven by the adjusting motor and the hydraulic oil cylinder to adjust the position; and a slewing bearing inner ring in the to-be-machined slewing bearing is limited by the extrusion clamping plate and is matched with the fastening clamping plate to fix the to-be-machined slewing bearing, so that adjustment is facilitated to adapt to the optimal hoisting effect, and the working effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of slewing bearing processing, in particular to a slewing bearing inner ring raceway processing hanger. Background Art

[0002] Slewing bearings are new mechanical components, consisting of inner and outer rings, rolling elements, etc. Slewing bearings are large bearings that can withstand comprehensive loads and can simultaneously withstand large axial and radial loads and overturning moments. Slewing bearings are widely used in real industry. Existing slewing bearing raceway finishing hoists mostly use nylon slings for direct lifting.

[0003] Chinese patent publication number CN202169405U discloses a special hoist for milling the inner ring of a slewing bearing. When in use, two sets of the special hoist are symmetrically placed on either side of the inner ring of the slewing bearing. The clamping plate at the lower end of the right clamp supports the bottom surface of the gear ring, and the protrusion at the lower end of the left clamp is correspondingly embedded in the raceway on the inner ring. This ensures safe and reliable lifting and high productivity.

[0004] The slewing bearing lifting device of the above patent is difficult to adjust in actual use, which affects operation and is not suitable for different types of slewing bearings. Therefore, it does not meet existing needs. In response to this, we have proposed a slewing bearing inner ring raceway processing lifting device. Utility Model Content

[0005] The purpose of the utility model is to provide a slewing bearing inner ring raceway processing hanger, which solves the problem of the slewing bearing hanger proposed in the above background technology that the structural position is inconvenient to adjust during actual use, which affects the operation and is not conducive to adapting to different types of slewing bearings.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sling support inner ring raceway processing hanger, comprising a hanger bracket, a folding clamping plate is installed on the outside of the hanger bracket, a movable shaft is installed between the folding clamping plate and the hanger bracket, a fastening splint is installed below the hanger bracket, an extrusion splint is installed below the folding clamping plate, and a slewing support to be processed is arranged between the extrusion splint and the fastening splint.

[0007] Preferably, two sling brackets are provided, and the upper ends of the two sling brackets are both equipped with lifting ears, and the lifting ears are welded to the sling brackets.

[0008] Preferably, a threaded rod is installed at the lower end of the interior of the sling bracket, and the threaded rod is rotatably connected to the sling bracket through a shaft sleeve. The lower end of the threaded rod passes through the fastening clamp and is threadedly connected to the fastening clamp, and a nut is provided at the lower end of the fastening clamp.

[0009] Preferably, the folding pallet is rotatably connected to the sling bracket through a movable shaft, a telescopic cylinder is installed between the upper end of the folding pallet and the sling bracket, one end of the telescopic cylinder is movably connected to the sling bracket through a connecting ear, and an electric motor is provided at the upper end of the folding pallet, and the motor shaft of the electric motor is connected to the telescopic cylinder through a coupling.

[0010] Preferably, a hydraulic cylinder is installed at the lower end of the folding card, and the lower end of the hydraulic cylinder is fixedly connected to the extrusion clamp. A positioning frame is installed below the folding card, and the upper end of the extrusion clamp extends to the interior of the positioning frame and is slidably connected to the positioning frame.

[0011] Preferably, the interior of the slewing bearing to be processed is provided with an integrally formed slewing bearing inner ring, the extrusion clamp is provided as an L-shaped angle clamp, and the slewing bearing inner ring is engaged with the extrusion clamp and the fastening clamp via the angle clamp.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model fixes two sling brackets, adjusts the positions of the two sling brackets to adapt to the slewing bearing to be processed between the two sling brackets, fixes them to the lifting equipment through the lifting ears, and drives the folding clamping plate and the extrusion clamping plate to adjust the position by adjusting the motor and the hydraulic cylinder, so that the inner ring of the slewing bearing inside the slewing bearing to be processed is limited by the extrusion clamping plate, and cooperates with the fastening clamping plate to fix the slewing bearing to be processed, which is convenient for adjustment to adapt to the best lifting effect and improve the working effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axonometric drawing of the front view of the present invention;

[0015] Figure 2 This is an axonometric view of the present invention when viewed from above;

[0016] Figure 3 For this utility model Figure 2 A partial enlarged view of area A in the middle;

[0017] Figure 4 This is an axonometric view of the side view of the hanger bracket and the folding pallet of the utility model.

[0018] In the figure: 1. Spreader bracket; 101. Lifting ear; 102. Threaded rod; 103. Fastening clamp; 2. Folding clamp; 201. Movable shaft; 202. Motor; 203. Telescopic cylinder; 204. Hydraulic cylinder; 205. Extrusion clamp; 206. Positioning frame; 3. Slewing bearing to be processed; 301. Inner ring of slewing bearing. DETAILED DESCRIPTION

[0019] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0020] In order to solve the problem that the existing slewing bearing spreader is difficult to adjust the structural position during actual use, which affects the operation and is not conducive to adapting to different types of slewing bearings, please refer to Figure 1 - Figure 4 , this embodiment provides the following technical solutions:

[0021] A sling bracket for processing the inner ring raceway of a slewing bearing comprises a sling bracket 1, a folding clamping plate 2 is installed on the outside of the sling bracket 1, a movable shaft 201 is installed between the folding clamping plate 2 and the sling bracket 1, a fastening splint 103 is installed below the sling bracket 1, an extrusion splint 205 is installed below the folding clamping plate 2, and a slewing bearing 3 to be processed is arranged between the extrusion splint 205 and the fastening splint 103. By adjusting the position of the folding clamping plate 2 and the extrusion splint 205 driven by adjusting the motor 202 and the hydraulic cylinder 204, the slewing bearing inner ring 301 inside the slewing bearing 3 to be processed is limited by the extrusion splint 205, and cooperates with the fastening splint 103 to fix the slewing bearing 3 to be processed, so that adjustment is convenient to adapt to the best lifting effect and improve the working effect.

[0022] The folding pallet 2 is rotatably connected to the sling bracket 1 through a movable shaft 201. A telescopic cylinder 203 is installed between the upper end of the folding pallet 2 and the sling bracket 1. One end of the telescopic cylinder 203 is movably connected to the sling bracket 1 through a connecting ear. An electric motor 202 is provided at the upper end of the folding pallet 2. The motor shaft of the electric motor 202 is connected to the telescopic cylinder 203 through a coupling. The telescopic cylinder 203 is driven to contract by the electric motor 202, driving the folding pallet 2 and the sling bracket 1 to be pressed against the slewing support 3 to be processed, and driving the extrusion splint 205 at the bottom to be fixed on the slewing support 3 to be processed, thereby improving the lifting effect.

[0023] A hydraulic cylinder 204 is installed at the lower end of the folding pallet 2, and the lower end of the hydraulic cylinder 204 is fixedly connected to the extrusion splint 205. A positioning frame 206 is installed below the folding pallet 2, and the upper end of the extrusion splint 205 extends to the interior of the positioning frame 206 and is slidably connected to the positioning frame 206. The extrusion splint 205 is moved by the extension and contraction of the hydraulic cylinder 204 to adapt to the slewing bearing 3 to be processed of different thicknesses, and the position of the extrusion splint 205 is kept stable by the positioning frame 206.

[0024] Specifically, the hydraulic cylinder 204 is extended and retracted to drive the extrusion splint 205 to move, so as to adapt to the different thicknesses of the slewing bearing 3 to be processed, and the positioning frame 206 is used to keep the position of the extrusion splint 205 stable. The electric motor 202 drives the telescopic cylinder 203 to contract, drives the folding card plate 2 and the sling bracket 1 to be close to the slewing bearing 3 to be processed, and drives the bottom extrusion splint 205 to be fixed on the slewing bearing 3 to be processed, so as to improve the lifting effect. By adjusting the position of the folding card plate 2 and the extrusion splint 205 by adjusting the motor 202 and the hydraulic cylinder 204, the inner ring 301 of the slewing bearing inside the slewing bearing 3 to be processed is limited by the extrusion splint 205, and cooperates with the fastening splint 103 to fix the slewing bearing 3 to be processed, so as to facilitate adjustment to adapt to the best lifting effect and improve work effect.

[0025] In order to solve the problem of poor position stability of existing slewing bearing spreaders in actual use, which affects long-term work, please refer to Figure 1 - Figure 4 , this embodiment provides the following technical solutions:

[0026] Two sling brackets 1 are provided, and a lifting lug 101 is installed on the upper end of the two sling brackets 1. The lifting lug 101 is welded to the sling bracket 1. By fixing the two sling brackets 1, the positions of the two sling brackets 1 are adjusted to adapt to the slewing bearing 3 to be processed between the two sling brackets 1, and fixed to the lifting equipment through the lifting lug 101.

[0027] A threaded rod 102 is installed at the lower end of the interior of the sling bracket 1. The threaded rod 102 is rotatably connected to the sling bracket 1 through a shaft sleeve. The lower end of the threaded rod 102 passes through the fastening clamp 103 and is threadedly connected to the fastening clamp 103. A nut is provided at the lower end of the fastening clamp 103. The adjusting nut drives the threaded rod 102 to rotate, and the threaded rod 102 drives the fastening clamp 103 to move, so that the fastening clamp 103 fixes the bottom of the slewing bearing 3 to be processed.

[0028] An integrally formed slewing bearing inner ring 301 is provided inside the slewing bearing 3 to be processed, and the extrusion clamp 205 is configured as an L-shaped angle clamp. The slewing bearing inner ring 301 is engaged with the extrusion clamp 205 and the fastening clamp 103 through the angle clamp, and the inner side of the slewing bearing 3 to be processed is fixed by the extrusion clamp 205.

[0029] Specifically, the positions of the two sling brackets 1 are adjusted to adapt to the slewing bearing 3 to be processed between the two sling brackets 1, and the slewing bearing 3 to be processed is fixed to the lifting equipment through the lifting ear 101. The adjusting nut drives the threaded rod 102 to rotate, and the threaded rod 102 drives the fastening clamp 103 to move, so that the fastening clamp 103 fixes the bottom of the slewing bearing 3 to be processed, and the inner side of the slewing bearing 3 to be processed is fixed by squeezing the clamp 205.

[0030] Working principle: When in use, adjust the positions of the two spreader brackets 1 to adapt to the slewing bearing 3 to be processed between the two spreader brackets 1, fix it to the lifting equipment through the lifting ear 101, adjust the nut to drive the threaded rod 102 to rotate, and the threaded rod 102 drives the fastening clamp 103 to move, so that the fastening clamp 103 fixes the bottom of the slewing bearing 3 to be processed, and fixes the inner side of the slewing bearing 3 to be processed by squeezing the clamp 205. The hydraulic cylinder 204 is extended and retracted to drive the squeezing clamp 205 to move to adapt to the different thicknesses of the slewing bearing 3 to be processed, and the positioning frame 206 is used to keep the squeezing clamp 205 The position movement is stable, and the telescopic cylinder 203 is driven to contract by the motor 202, driving the folding card plate 2 and the sling bracket 1 to be close to the slewing bearing 3 to be processed, and driving the extrusion splint 205 at the bottom to be fixed on the slewing bearing 3 to be processed, thereby improving the lifting effect. By adjusting the motor 202 and the hydraulic cylinder 204, the folding card plate 2 and the extrusion splint 205 are driven to adjust the position, so that the slewing bearing inner ring 301 inside the slewing bearing 3 to be processed is limited by the extrusion splint 205, and cooperates with the fastening splint 103 to fix the slewing bearing 3 to be processed, so that adjustment is convenient to adapt to the best lifting effect and improve work effect.

[0031] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0032] Although the 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 these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A slewing bearing inner ring raceway processing hanger, comprising a hanger bracket (1), characterized in that: A folding card plate (2) is installed on the outside of the sling bracket (1), a movable shaft (201) is installed between the folding card plate (2) and the sling bracket (1), a fastening clamp plate (103) is installed below the sling bracket (1), an extrusion clamp plate (205) is installed below the folding card plate (2), and a slewing bearing (3) to be processed is provided between the extrusion clamp plate (205) and the fastening clamp plate (103).

2. The lifting device for machining the inner ring raceway of a slewing bearing according to claim 1, characterized in that: Two sling brackets (1) are provided, and a lifting lug (101) is installed on the upper end of each of the two sling brackets (1), and the lifting lug (101) is welded to the sling bracket (1).

3. The lifting device for machining the inner ring raceway of a slewing bearing according to claim 1, characterized in that: A threaded rod (102) is installed at the lower end of the interior of the hanger bracket (1), and the threaded rod (102) is rotatably connected to the hanger bracket (1) through a shaft sleeve. The lower end of the threaded rod (102) passes through the fastening clamp (103) and is threadedly connected to the fastening clamp (103), and a nut is provided at the lower end of the fastening clamp (103).

4. The lifting device for machining the inner ring raceway of a slewing bearing according to claim 1, characterized in that: The folding card plate (2) is rotatably connected to the sling bracket (1) via a movable shaft (201); a telescopic cylinder (203) is installed between the upper end of the folding card plate (2) and the sling bracket (1); one end of the telescopic cylinder (203) is movably connected to the sling bracket (1) via a connecting ear; an electric motor (202) is provided at the upper end of the folding card plate (2); and a motor shaft of the electric motor (202) is transmission-connected to the telescopic cylinder (203) via a coupling.

5. The lifting device for machining the inner ring raceway of a slewing bearing according to claim 1, characterized in that: A hydraulic cylinder (204) is installed at the lower end of the folding card plate (2), and the lower end of the hydraulic cylinder (204) is fixedly connected to the extrusion clamping plate (205). A positioning frame (206) is installed below the folding card plate (2), and the upper end of the extrusion clamping plate (205) extends to the interior of the positioning frame (206) and is slidably connected to the positioning frame (206).

6. The lifting device for machining the inner ring raceway of a slewing bearing according to claim 1, characterized in that: An integrally formed slewing bearing inner ring (301) is provided inside the slewing bearing (3) to be processed, the extrusion clamp (205) is provided as an L-shaped angle clamp, and the slewing bearing inner ring (301) is engaged with the extrusion clamp (205) and the fastening clamp (103) via the angle clamp.

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