A multi-directional adjustable gear fixing jig and a method of using the same

Abstract

The application discloses a multi-directional adjusting gear fixing jig and a using method thereof, which comprises a bearing disc capable of rotating around a center axis with the center axis being a circle center perpendicular to a horizontal plane, and a fixing mechanism capable of fixing a large gear is symmetrically arranged on the top surface of the bearing disc; the fixing mechanism comprises two adjusting discs, a plurality of lifting arms are arranged in a circumferential array on the opposite surfaces of the two adjusting discs, the lifting arms on each adjusting disc are capable of moving relative to or towards each other, and are used for clamping the inner circumferential side of the large gear to complete a fixing action; direction adjusting mechanisms capable of driving the adjusting discs to rotate around a center axis with the center axis being a circle center parallel to the horizontal plane are arranged on the opposite surfaces of the two adjusting discs; the fixing jig realizes multi-directional fixing and accurate adjustment of the large gear, and has important significance for improving the efficiency and quality of large gear machining and maintenance.

Description

TECHNICAL FIELD

[0001] The present application relates to a multi-directional adjustable gear fixing jig and a method of using the same. BACKGROUND

[0002] In the production or maintenance process of large gears, the gears need to be polished, inspected and maintained in various directions.

[0003] The conventional gear fixing device adopts a simple bolt fixing method in the production and maintenance process of large gears such as wind turbine gears. This fixing method can only fix the gear in one direction and cannot quickly adjust the gear in other directions. However, these gears such as wind turbine gears often need to be polished, trimmed and surface treated in different directions to ensure that each part of the gear is processed, thereby ensuring the use quality of the gear. At this time, the large lifting machine needs to be assisted to operate, which is time-consuming and laborious, and there is a certain potential danger to the large gear during the constant turning process. Therefore, a fixing jig capable of clamping and multi-angle adjusting of large gears is needed to assist the operator to complete the above operation. SUMMARY

[0004] The purpose of the present application is to provide a multi-directional adjustable gear fixing jig and a method of using the same to solve the problems raised in the background.

[0005] To solve the above technical problems, the present application provides the following technical scheme: including,

[0006] The bearing disc can rotate around the central axis, and the top surface of the bearing disc is symmetrically provided with a fixing mechanism capable of fixing a large gear;

[0007] The fixing mechanism includes two adjusting discs, and the opposite surfaces of the two adjusting discs are both provided with a plurality of lifting arms in a circumferential array, and the lifting arms on each adjusting disc can move away from or towards each other to clamp the inner circumferential side of the large gear to complete the fixing action;

[0008] The opposite surfaces of the two adjusting discs are both provided with an adjusting mechanism capable of driving the adjusting disc to rotate around the central axis.

[0009] Preferably, the top surface of the bearing disc is symmetrically provided with a first electric push rod, and the elongated ends of the two electric push rods are both provided with a movable block capable of reciprocating movement, and the two adjusting discs are connected to the movable block through an extension pipe.

[0010] Preferably, the fixing mechanism further includes,

[0011] A circular truncated cone block provided in the extension pipe and capable of reciprocating movement, and a plurality of inclined blocks are arranged in a circumferential array on the outer circumferential side of the circular truncated cone block, and the lifting arms are arranged on the inclined blocks;

[0012] A guide rail is arranged on the outer periphery of the adjusting disc in a circumferential array, and the lifting arm is arranged in the guide rail;

[0013] A second electric push rod is arranged on the moving block, and the power output end of the second electric push rod is connected with the circular table block.

[0014] Preferably, the direction adjusting mechanism further comprises,

[0015] A tooth block is arranged on the outer periphery of the extension pipe at the position where the surface of the moving block is connected;

[0016] A speed reduction gear is arranged on the top surface of the moving block and is engaged with the tooth block;

[0017] An electric motor is arranged on the top surface of the moving block, and the power output end is connected with the speed reduction gear.

[0018] Preferably, the elongated end of the first electric push rod is symmetrically provided with a T-shaped sliding block, the moving block is connected with the elongated end of the first electric push rod through the T-shaped sliding block, the bottom surface of the moving block is provided with a third electric push rod, and the elongated end of the third electric push rod is arranged on the first electric push rod to complete the moving action of the moving block.

[0019] Preferably, the second electric push rod, the circular table block, the extension pipe and the moving block are connected through a rotary support bearing.

[0020] Preferably, the base is further provided with a bearing disc, the outer periphery of the bearing disc is provided with a toothed pattern, and the top surface of the base is provided with a speed reducer which is engaged with the bearing disc.

[0021] Preferably, the lifting arm is provided with a friction block away from the center surface.

[0022] Compared with the prior art, the present application has the following advantages:

[0023] 1. Multi-directional adjustment and fixation of large gears are realized. The reliable fixation of gears is realized through the adjusting disc, the lifting arm in the fixing mechanism, etc., and the accurate adjustment of gears in the horizontal and inclined directions is realized through the electric motor, the speed reducer, etc. in the direction adjusting mechanism, which meets the multi-angle and omnidirectional needs of large gear machining.

[0024] 2. The efficiency and quality of large gear machining are improved. The fixing jig realizes the stereoscopic positioning and fixation of large gears, and the operator can perform polishing, trimming and other operations from different directions, which avoids the low efficiency of repeated fixation and greatly improves the machining quality of large gears.

[0025] 3. Simple and convenient operation. The fixing jig is mainly controlled by electric push rods, motors and other actuators. The operator only needs to perform simple button and handwheel operations to achieve accurate positioning and fixing of the large gear, without the need for manual adjustment, simplifying the operation process.

[0026] In summary, the fixing jig realizes multi-directional fixing and accurate adjustment of large gears, which is of great significance to improving the efficiency and quality of large gear machining and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0028] Figure 2 is a schematic diagram of the side view structure of the embodiment of the present application;

[0029] Figure 3 is a schematic diagram of the circular table block and its surface structure of the embodiment of the present application;

[0030] Figure 4 is a schematic diagram of the T-shaped slider structure of the embodiment of the present application;

[0031] Figure 5 is a schematic diagram of the extension pipe and its surface structure of the embodiment of the present application.

[0032] In the figure: 1, bearing disc; 2, adjusting disc; 3, lifting arm; 4, first electric push rod; 5, moving block; 6, extension pipe; 7, circular table block; 8, inclined block; 9, guide rail; 10, second electric push rod; 11, gear block; 12, reduction gear; 13, motor; 14, friction block; 15, T-shaped slider; 16, third electric push rod; 17, rotary support bearing; 18, base; 19, speed reducer. DETAILED DESCRIPTION

[0033] In order to solve the existing problems of inconvenient fixing and adjusting of large gears, the present application provides a multi-directional adjusting gear fixing jig and its use method. The technical solutions in the present application will be described clearly and completely below in combination with the drawings in the present application. Obviously, the described application is only a part of the application, not the whole application. Based on the application in the present application, all other applications obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0034] Please refer to Figures 1-5 The present application provides a multi-directional adjusting gear fixing jig, which comprises,

[0035] A bearing disc 1 capable of rotating around a central axis, the top surface of the bearing disc 1 is symmetrically provided with a fixing mechanism capable of fixing a large gear;

[0036] The fixing mechanism comprises two adjusting discs 2, a plurality of lifting arms 3 are arranged in a circumferential array on the opposite faces of the two adjusting discs 2, and the lifting arms 3 on each adjusting disc 2 can move relatively or oppositely to complete the fixing action by clamping the inner circumferential side of the large gear;

[0037] The opposite faces of the two adjusting discs 2 are provided with adjusting mechanisms capable of driving the adjusting discs 2 to rotate around the central axis.

[0038] Specifically, the top face of the bearing disc 1 is symmetrically provided with first electric push rods 4, the elongated ends of the two electric push rods are provided with movable blocks 5 capable of reciprocating, and the two adjusting discs 2 are connected with the movable blocks 5 through extension pipes 6; the movable blocks 5 are driven to move by the first electric push rods 4, and then the positions of the adjusting discs 2 are adjusted so that the gears of different sizes can be better fixed.

[0039] Specifically, the fixing mechanism further comprises,

[0040] A circular truncated cone block 7 capable of reciprocating is arranged in the extension pipe 6, a plurality of inclined blocks 8 are arranged in a circumferential array on the outer circumferential side of the circular truncated cone block 7, and the lifting arms 3 are arranged on the inclined blocks 8;

[0041] A guide rail 9 is arranged in a circumferential array on the outer circumferential side of the adjusting disc 2, and the lifting arms 3 are arranged in the guide rail 9;

[0042] A second electric push rod 10 is arranged on the movable block 5, and the power output end of the second electric push rod 10 is connected with the circular truncated cone block 7; when the circular truncated cone block 7 presses the inclined blocks 8, it is driven to move outward by the inclined surfaces of the inclined blocks 8, and the movement path of the lifting arms 3 is limited by the guide rail 9 so that the lifting arms 3 can only move along the direction of the guide rail 9, and the movement of the circular truncated cone block 7 is powered by the second electric push rod 10.

[0043] Specifically, the direction adjusting mechanism further comprises,

[0044] A tooth block 11 is arranged in a circumferential array on the outer circumferential side of the extension pipe 6 at the position where the surface of the movable block 5 is connected;

[0045] A reduction gear 12 is arranged on the top face of the movable block 5 and meshes with the tooth block 11;

[0046] A motor 13 is arranged on the top face of the movable block 5, and the power output end is connected with the reduction gear 12; the motor 13 drives the reduction gear 12 to rotate, and drives the extension pipe 6 to rotate under the meshing action, thereby driving the adjusting disc 2, the lifting arm 3 and the gear on the surface of the lifting arm 3 to rotate, and the extension pipe 6 is driven to rotate by the reduction gear 12, which makes the control more accurate and can provide more power.

[0047] Specifically, the first electric push rod 4 elongation end is symmetrically provided with a T-shaped slider 15, the moving block 5 is connected with the first electric push rod 4 elongation end through the T-shaped slider 15, the moving block 5 bottom surface is provided with a third electric push rod 16, and the third electric push rod 16 elongation end is arranged on the first electric push rod 4, so as to complete the moving action of driving the moving block 5; the moving block 5 is connected with the first electric push rod 4 closely through the T-shaped slider 15, so that the gear with heavier gravity can be fixed, and the moving of the moving block 5 is realized through the three electric push rods 16, so that the lifting arm 3 can be inserted into the inner peripheral side of the gear.

[0048] Specifically, the second electric push rod 10, the circular truncated cone block 7, the extension pipe 6 and the moving block 5 are connected through a rotary support bearing 17; the support of the rotary support bearing 17 enables it to rotate when bearing.

[0049] Specifically, it further includes a base 18, the bearing disc 1 is arranged on the base 18, the outer peripheral side of the bearing disc 1 is in a toothed pattern, the top surface of the base 18 is provided with a speed reducer 19, and the speed reducer 19 is engaged with the bearing disc 1; the speed reducer 19 and the bearing disc 1 are engaged with each other, so that the bearing disc 1 can be driven to rotate when the speed reducer 19 rotates.

[0050] Specifically, the lifting arm 3 is provided with a friction block 14 away from the center surface; the friction force of the friction block 14 enables the whole to better fix the gear.

[0051] A use method of a multi-directional adjustable gear fixing jig, characterized in that it comprises the following steps:

[0052] Step A: according to the outer diameter of the gear to be fixed, the first electric push rod 4 is adjusted to drive the adjusting disc 2 on the moving block 5 to move until the distance from the center to the top surface of the bearing disc 1 is greater than the outer diameter of the gear to be fixed;

[0053] Step B: the gear to be fixed is hoisted to the position between the two adjusting discs 2 by a hoisting machine, and the circle of the gear is made to be on the same straight line with the adjusting disc 2, the third electric push rod 16 is started, the third electric push rod 16 drives the adjusting disc 2 on the surface of the moving block 5 and the lifting arm 3 to move until it is inserted into the inner peripheral side of the gear;

[0054] Step C: after the lifting arm 3 is inserted, the second electric push rod 10 is started, the second electric push rod 10 drives the circular truncated cone block 7 on its surface to move away from the second electric push rod 10, so as to extrude the inclined surface block 8, force the inclined surface block 8 to drive the lifting arm 3 to move towards each other, so as to be attached to the inner peripheral side of the gear, and the friction block 14 also contacts and extrudes the inner peripheral side of the gear;

[0055] Step D: when horizontal direction adjustment is needed, only the speed reducer 19 needs to be started, and the bearing disc 1 is driven to rotate under the engagement, so as to drive the whole gear to rotate in the horizontal direction.

[0056] Step E, when the need to continue to adjust, only need to start the motor 13, motor 13 drive gear 12 rotation, under the action of meshing drive extension tube 6 rotation, in turn drive the gear on the lifting arm 3 rotation, thereby adjusting its angle;

[0057] Step F, when taking out, first reverse start the third electric push rod 16, let it drive the lifting arm 3 reverse movement a distance but not completely off the gear, the lifting rope through the gap and connected with the hoisting machine, can completely off after and take down the gear.

[0058] The multi-directional adjustable gear fixing jig and the using method thereof have the following advantages:

[0059] 1. Multi-directional adjustment and fixation of large gears are realized. The reliable fixation of gears is realized through the adjusting disc 2 and the lifting arm 3 in the fixing mechanism. The accurate adjustment of gears in the horizontal and inclined directions is realized through the motor 13 and the speed reducer 19 in the direction adjustment mechanism 14, which meets the multi-angle and omnidirectional needs of large gear machining.

[0060] 2. The efficiency and quality of large gear machining are improved. The fixing jig realizes the three-dimensional positioning and fixation of large gears. The operator can perform polishing, trimming and other operations from different directions, avoiding the low efficiency of repeated fixation and greatly improving the machining quality of large gears.

[0061] 3. The operation is simple and convenient. The fixing jig is mainly controlled by the electric push rod and the motor 13. The operator only needs to perform simple button and handwheel operations to realize the accurate positioning and fixation of large gears, without the need for manual adjustment, simplifying the operation process.

[0062] In summary, the fixing jig realizes the multi-directional fixation and accurate adjustment of large gears, which is of great significance to improve the efficiency and quality of large gear machining and maintenance.

[0063] Although the inventions of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the inventions without departing from the principles and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-directionally adjustable gear fixing jig, characterized by: Including, The bearing disc (1) can rotate around the central axis, and the top surface of the bearing disc (1) is symmetrically provided with a fixing mechanism capable of fixing a large gear; The fixing mechanism comprises two adjusting discs (2), the opposite surfaces of the two adjusting discs (2) are both provided with a plurality of lifting arms (3) in a circumferential array, and the lifting arms (3) on each adjusting disc (2) can move away from or towards each other to complete the fixing action by clamping the inner circumferential side of the large gear; The opposite surfaces of the two adjusting discs (2) are both provided with an adjusting mechanism capable of driving the adjusting disc (2) to rotate around the central axis; The top surface of the bearing disc (1) is symmetrically provided with a first electric push rod (4), the elongated ends of the two first electric push rods (4) are both provided with a movable block (5) capable of reciprocating movement, and the two adjusting discs (2) are connected with the movable block (5) through an extension pipe (6); The fixing mechanism further comprises, A circular truncated cone block (7) capable of reciprocating movement is arranged in the extension pipe (6), the outer circumferential side of the circular truncated cone block (7) is provided with a plurality of inclined blocks (8) in a circumferential array, and the lifting arms (3) are arranged on the inclined blocks (8); A guide rail (9) is arranged on the outer circumferential side of the adjusting disc (2) in a circumferential array, and the lifting arms (3) are arranged in the guide rail (9); A second electric push rod (10) is arranged on the movable block (5), and the power output end of the second electric push rod (10) is connected with the circular truncated cone block (7).

2. The multi-directional adjustable gear holding fixture of claim 1, wherein: The adjusting mechanism further comprises, A tooth block (11) is arranged on the outer circumferential side of the extension pipe (6) and the surface of the movable block (5) in a circumferential array; A reduction gear (12) is arranged on the top surface of the movable block (5) and meshes with the tooth block (11); An electric motor (13) is arranged on the top surface of the movable block (5), and the power output end is connected with the reduction gear (12).

3. The multi-directional adjustable gear holding fixture of claim 1, wherein: The elongated ends of the first electric push rod (4) are symmetrically provided with T-shaped sliding blocks (15), the movable block (5) is connected with the elongated ends of the first electric push rod (4) through the T-shaped sliding blocks (15), a third electric push rod (16) is arranged on the bottom surface of the movable block (5), and the elongated end of the third electric push rod (16) is arranged on the first electric push rod (4) to complete the movement of the movable block (5).

4. The multi-directional gear holding fixture of claim 1, wherein: The second electric push rod (10), the circular truncated cone block (7), the extension pipe (6) and the movable block (5) are connected through a rotary support bearing (17).

5. The multi-directional gear holding fixture of claim 1, wherein: Further comprising a base (18), the bearing disc (1) is arranged on the base (18), the outer circumferential side of the bearing disc (1) is provided with a toothed pattern, and the top surface of the base (18) is provided with a speed reducer (19) which meshes with the bearing disc (1).

6. The multi-directional gear holding fixture of claim 1, wherein: The lifting arms (3) are provided with friction blocks (14) away from the circumferential surface.

7. A method of using a multi-adjustable gear holding fixture according to any one of claims 1-6, characterized in that: The steps include: Step (A), according to the outer diameter of the gear to be fixed, adjust the first electric push rod (4) to drive the adjusting disc (2) on the movable block (5) to move until the distance from the center to the top surface of the bearing disc (1) is greater than the outer diameter of the gear to be fixed; Step (B), by means of the hoist to be fixed gear hoist between two adjusting disc (2) position, and let the gear round with adjusting disc (2) round on the same straight line, start the third electric push rod (16), the third electric push rod (16) drive moving block (5) surface adjusting disc (2) and lifting arm (3) move, until inserted into the gear inner side; Step (C), when the lifting arm (3) is inserted, start the second electric push rod (10), the second electric push rod (10) drive its surface round table block (7) to move away from the second electric push rod (10) direction, so as to produce extrusion to the inclined surface block (8), forcing the inclined surface block (8) drive lifting arm (3) move towards, so as to fit the gear inner side, and the friction block (14) also contact with the gear inner side and extrusion; Step (D), when the horizontal direction adjustment is needed, only need to start the speed reducer (19), under the meshing effect drive bearing disc (1) rotation, thus drive the whole gear horizontal rotation; Step (E), when the need to continue to adjust, only need to start the motor (13), the motor (13) drive speed reduction gear (12) rotation, under the meshing effect drive extension tube (6) rotation, in turn drive the gear on the lifting arm (3) rotation, thus adjust its angle; Step (F), when taking out, first reverse start the third electric push rod (16), let it drive the lifting arm (3) reverse move a distance but not completely out of the gear, the hoisting rope through the gap and connected with the hoist, can completely separate after and take down the gear.

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