Auxiliary tool for test run of large gear of ball mill

Abstract

The invention discloses a ball mill test run bull gear auxiliary tool which comprises a jacking rolling shaft, a rolling shaft support, a tooth side fastener, a lateral supporting frame, an external fastening plate, a lead screw, a fixed supporting plate, a bearing seat and a sliding base, the jacking rolling shaft, the rolling shaft support and the bearing seat form a jacking structure, and the tooth side fastener and the lateral supporting frame form a clamping structure. The jacking structure and the clamping structure are fixed on the sliding base; the sliding base is connected with an external fastening plate through a lead screw and a guide rail, and the sliding base can be driven to move along the guide rail by adjusting the lead screw. The half-tooth test run installation efficiency is improved, the workpiece collision risk is reduced, and the test run operation safety, the test run operation efficiency and the test run operation precision are improved.

Description

TECHNICAL FIELD

[0001] The application relates to a ball mill trial running large gear auxiliary tool and belongs to the technical field of mill quality inspection tools. BACKGROUND

[0002] The large gear is a key component in a mill transmission system and plays an important role in power transmission and torque transmission and stable operation of equipment. Mill trial running inspection is one of key links in mill production and manufacturing, and the meshing precision of the large gear and the pinion directly affects the stability of the cylinder speed. If the meshing is poor, the cylinder speed fluctuation is caused, the material grinding efficiency and uniformity are affected, and the pinion is abraded. During trial running, the large gear is heavy, and if the large gear collides with other components and is displaced or shaken during hoisting and installation of the trial running, the machining surface is damaged. At present, in the trial running work, the large gear is fixed by relying on the crane equipment and the cushion board, the T-shaped groove resources of the trial running ground are not fully utilized, and effective measures are lacked in preventing the large gear from toppling. Once the large gear topples during the trial running, not only the parts and equipment are damaged, but also serious safety accidents are caused. SUMMARY

[0003] The application aims at solving the defects in the prior art and provides a mill large gear trial running tool which is radially clamped and axially limited, effectively solves the problems of insufficient axial limitation and low half-tooth placement efficiency of the traditional half-tooth fixing mode, realizes safety and stability of the half-tooth during dismounting and placement, protects the gear, reduces the safety risk, and improves the mill trial running operation efficiency and precision.

[0004] To solve the technical problem, the application provides a ball mill trial running large gear auxiliary tool, which comprises a clamping roller, a roller support, a tooth side fastener, a lateral support frame, an external fastening plate, a lead screw, a fixed support plate, a bearing seat and a sliding base. The clamping roller, the roller support and the bearing seat form a clamping structure, the tooth side fastener and the lateral support frame form a clamping structure, and the clamping structure and the clamping structure are fixed on the sliding base. The sliding base is connected with the external fastening plate through the lead screw and the guide rail, and the sliding base can be moved along the guide rail by adjusting the lead screw.

[0005] The roller support is in a V-shaped structure, the inner side of the bottom of the V-shaped structure is provided with a pin shaft, and the end portion is provided with a pin hole. The bearing seat is fixed on the front part of the sliding base, the roller support is installed on the sliding base through the bearing seat, the clamping roller is connected with the roller support, and the clamping roller can be adjusted in angle through the roller support and the bearing seat to adapt to half-tooth gears of different diameters.

[0006] The surface of the clamping roller is covered with a rubber layer.

[0007] The lateral support frame is in a trapezoidal structure, the bottom is a short side, is fixed on the sliding base and is located at the rear of the bearing seat, and opposite tooth side fasteners are fixed on the upper part of the lateral support frame on both sides, which are used for clamping.

[0008] The external fastening plate comprises a bottom plate and a side support plate and is welded into a box structure as a whole, a guide rail is arranged in the box, and the sliding base is connected with the guide rail and can slide along the guide rail.

[0009] The sliding base can adjust the stroke of the top nut to 640 mm through the lead screw.

[0010] The tooth side fastener can adjust the clamping width through a tool, and the maximum clamping tooth width is 1080 mm.

[0011] The bottom plate of the external fastening plate has a size of 1500 mm in length and 1200 mm in width, and the side support plate is welded to a pressing plate and is used for matching the displacement of the sliding base.

[0012] The external fastening plate is externally provided with a fixed support plate, the auxiliary tool is fixed to the T-shaped groove of the test site through the fixed support plate, the two auxiliary tools are used in cooperation, the position of the sliding base is adjusted through the rotating lead screw, and the top pressing roller is matched with the half-tooth outer circle.

[0013] The external fastening plate is externally provided with a lifting lug and is used for lifting.

[0014] Beneficial effects: The tool top pressing mechanism can assist in realizing positioning when the large gear is placed, improves the installation efficiency of the half-tooth test half-tooth, shortens the subsequent cylinder hoisting time, reduces the risk of workpiece knocking, the two side clamping devices reduce the risk of knocking displacement of the half-tooth gear in the transportation process of the cylinder part, and the safety of the test operation is improved; the problems of the traditional half-tooth gear fixing mode in the aspects of insufficient axial limiting and low half-tooth placing efficiency are solved, safety and stability are realized when the half-tooth is disassembled and placed, the gear is protected, the safety risk is reduced, and the efficiency and precision of the mill test operation are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present application; Figure 2 is a schematic front view of the overall structure of the present application; Figure 3 is a schematic top view of the overall structure of the present application; Figure 4 is a schematic diagram of the working state of the present application; Figure 5 is a sliding base adjustment schematic of the present application Figure 1 ; Figure 6 is a sliding base adjustment schematic of the present application Figure 2 ; Figure 7 This is a schematic diagram of the angle adjustment of the roller support in this invention. Figure 1 ; Figure 8 This is a schematic diagram of the angle adjustment of the roller support in this invention. Figure 2 ; Figure 9 This is a schematic diagram of the toothed fastener of the present invention. Figure 1 ; Figure 10 This is a schematic diagram of the toothed fastener of the present invention. Figure 2 ; Figure 11 This is a schematic diagram of the sliding base and external fixing plate of the present invention; Figure 12 This is a schematic diagram of the lateral fastener structure of the present invention; Figure 13 This is a schematic diagram of the bearing housing structure of the present invention; Figure 14 This is a schematic diagram of the structure of the present invention.

[0016] In the diagram: 1. Top roller; 2. Roller support; 3. Toothed fastener; 4. Lateral support frame; 5. External fastening plate; 6. Lead screw; 7. Fixed support plate; 8. Bearing seat; 9. Sliding base; 10. Lifting lug; 11. Guide rail; 12. T-slot; 13. Half gear. Detailed Implementation

[0017] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0018] like Figures 1-14 As shown, the present invention provides an auxiliary tooling for the test run of a ball mill large gear, including a clamping roller 1, a roller support 2, a tooth side fastener 3, a lateral support frame 4, an external fastening plate 5, a lead screw 6, a fixed support plate 7, a bearing seat 8, and a sliding base 9. The clamping roller 1, roller support 2, and bearing seat 8 constitute a clamping structure, and the tooth side fastener 3 and lateral support frame 4 constitute a clamping structure. The clamping structure and the clamping structure are fixed on the sliding base 9. The sliding base 9 is connected to the external fastening plate 5 through the lead screw 6 and a guide rail 11. Adjusting the lead screw 6 can drive the sliding base 9 to move along the guide rail 11.

[0019] The roller support 2 has a V-shaped structure with a pin on the inner side of its bottom and a pin hole at the end. The bearing seat 8 is fixed to the front of the sliding base 9 by bolts. The roller support 2 is installed on the sliding base 9 through the bearing seat 8. The clamping roller 1 is connected to the roller support 2 through a shaft. The clamping roller 1 can be angled by the roller support 2 and the bearing seat 8 to adapt to half gears 13 of different diameters and improve the applicability of the tooling.

[0020] The top-tight roller 1 body is made of round steel, and the surface is covered with a rubber layer, which can protect the machining surface, avoid tooth surface wear, and provide radial limiting capacity of the gear.

[0021] The lateral support frame 4 is in a trapezoidal structure, the bottom is a short side, and is fixed on the sliding base 9 through bolts and located at the rear of the bearing seat 8. The upper part of the lateral support frame 4 is fixed with a tooth side fastener 3 on both sides. The tooth side fastener 3 is connected with the lateral support frame 4 through the welding nut and the corresponding hole on the outer side of the lateral support frame 4, which is used to clamp the half gear 13 and provide axial clamping force.

[0022] The external fastening plate 5 includes a bottom plate and a side support plate, and is welded into a box structure. The guide rail 11 is arranged in the box, and the sliding base 9 is connected with the guide rail 11 and can slide along the guide rail 11.

[0023] The sliding base 9 can adjust the top stroke of 640mm through the lead screw 6.

[0024] The tooth side fastener 3 can adjust the clamping width through tools, and the maximum clamping tooth width is 1080mm, which meets the lateral limiting requirements of various types of ball mill large gears.

[0025] The size of the bottom plate of the external fastening plate 5 is 1500mm in length and 1200mm in width, and the side support plate is welded with a pressing plate, which is used to cooperate with the displacement of the sliding base 9.

[0026] The external fastening plate 5 is provided with a fixed support plate 7 outside, and the auxiliary tool is fixed in the T-shaped groove 12 of the test site through the fixed support plate 7, so as to firmly fix the external fastening plate 5 and ensure the stability of the overall structure. Two auxiliary tools are used in cooperation, the position of the sliding base 9 is adjusted by rotating the lead screw 6, and the top-tight roller 1 is fitted with the half tooth outer circle.

[0027] The external fastening plate 5 is provided with a lifting lug 10 outside, which is used for lifting.

[0028] The application needs two to be used in cooperation, according to the type of the tested mill, is fixed to the half gear preloading position in advance, a proper positioning allowance is left, the half gear is preliminarily positioned, a tool is used to rotate the lead screw 6 to adjust the position of the sliding base 9, the roller 1 is attached to the outer circle of the half tooth, the roller 1 is adjusted in angle through the roller support 2 and the bearing seat 8 to adapt to different diameter types of the half tooth, the applicability of the tool is improved, the surface of the roller 1 is covered with a rubber layer to protect the processing surface and avoid tooth surface wear, after adjustment, the tooth side fastener 3 is adjusted by using a pneumatic wrench to limit the half gear in the axial direction, the displacement risk of the half gear is reduced, finally, whether the fastening of all connection parts is checked, the tightening and clamping devices are confirmed to be in place and not loose, after the cylinder is hoisted, the tooth side fastener 3 is loosened, when the half gear is assembled, safety, no interference and no abnormality are ensured, after the test is completed, the half gear is disassembled, the above operation is repeated again, the tightening roller is loosened, the sliding base is reset, the tool bottom plate clamping device is disassembled, and the whole tool disassembly process is completed.

[0029] The tool is applied to the pre-assembly of the half gear before the test (the pre-assembly refers to the detection of the mill transmission part and other core components in the factory test to meet the mill quality acceptance requirements), the auxiliary positioning of the half gear when it is erected and combined with related parts, and is also applicable when the gear is disassembled after the test.

[0030] The application realizes the clamping of different diameter gears through the use of the test site T-shaped groove and the auxiliary fixing structure, solves the problems of lack of axial fixation of the half gear and inconvenient installation and positioning in the existing test link, eliminates the risk of tilting, can be applied to different specifications of gears, realizes rapid positioning and disassembly, and can assist in positioning when the gear is placed, improve the half gear test half gear installation efficiency, shorten the subsequent cylinder hoisting time, reduce the risk of workpiece collision, the two side clamping devices reduce the risk of collision displacement of the half gear during the transportation of the cylinder part, and improve the safety of the test operation.

[0031] The above embodiments of the application are only examples and are not the only ones, all changes within the scope of the application or equivalent to the scope of the application are covered by the application.

Claims

1. A ball mill commissioning large gear auxiliary tool, characterized in that: The utility model discloses a top tight roller (1), roller support (2), tooth side fastener (3), lateral support frame (4), external fastening plate (5), screw (6), fixed support plate (7), bearing seat (8) and sliding base (9) are included, top tight roller (1), roller support (2) and bearing seat (8) constitute top tight structure, tooth side fastener (3) and lateral support frame (4) constitute clamping structure, and top tight structure and clamping structure are fixed on sliding base (9), and sliding base (9) is connected with external fastening plate (5) through screw (6) and guide rail (11), and the position of sliding base (9) can be driven along guide rail (11) by adjusting screw (6).

2. The ball mill trial large gear auxiliary tool according to claim 1, characterized in that: The roller support (2) is V-shaped structure, the inside of bottom is equipped with pin shaft, and the end is equipped with pin hole, bearing seat (8) is fixed in the front of sliding base (9), roller support (2) is installed on sliding base (9) through bearing seat (8), top tight roller (1) is connected with roller support (2), and the angle of top tight roller (1) can be adjusted through roller support (2) and bearing seat (8) to adapt to different diameter models of half gear (13).

3. The ball mill commissioning large gear auxiliary tool of claim 1, wherein: The surface of the top tight roller (1) is covered with a rubber layer.

4. The ball mill commissioning large gear auxiliary tool of claim 1, wherein: The lateral support frame (4) is trapezoidal structure, the bottom is short side, fixed on sliding base (9), located in the rear part of bearing seat (8), and the upper part of lateral support frame (4) is fixed with tooth side fastener (3) on both sides, which is used for clamping.

5. The ball mill commissioning large gear auxiliary tool of claim 1, wherein: The external fastening plate (5) includes a bottom plate and a side support plate, and is welded into a box structure, the box is provided with a guide rail (11), the sliding base (9) is connected with the guide rail (11) and can slide along the guide rail (11).

6. The ball mill commissioning large gear auxiliary tool of claim 1, wherein: The sliding base (9) can adjust the top stroke of 640mm through the screw (6).

7. The ball mill trial large gear auxiliary tooling of claim 1, wherein: The tooth side fastener (3) can adjust the clamping width through tools, and the maximum clamping tooth width is 1080mm.

8. The ball mill commissioning large gear auxiliary tool of claim 1, wherein: The size of the bottom plate of the external fastening plate (5) is 1500mm long and 1200mm wide, and the side support plate is welded to a pressing plate, which is used for cooperating with the displacement of the sliding base (9).

9. The ball mill commissioning large gear auxiliary tool of claim 1, wherein: The external fastening plate (5) is provided with a fixed support plate (7) outside, the auxiliary tool is fixed to the T-shaped groove (12) of the test site through the fixed support plate (7), two auxiliary tools are used in cooperation, the position of the sliding base (9) is adjusted by rotating the screw (6), so that the top tight roller (1) is in contact with the half tooth outer circle.

10. The ball mill commissioning large gear auxiliary tooling of any one of claims 1-9, wherein: The external fastening plate (5) is provided with a lifting lug (10) outside, which is used for lifting.

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