Lifting device for maintenance of speed reducer

Abstract

The utility model relates to the technical field of speed reducer maintenance, and discloses a speed reducer maintenance lifting device which comprises a base, first sliding rods are fixedly installed on the upper portion of the base, a connecting rod is fixedly installed between the top ends of the front sliding rod and the rear sliding rod, and first grooves are evenly formed in the corresponding faces of the front sliding rod and the rear sliding rod at equal intervals. The four first sliding rods are movably sleeved with a lifting plate, a first cavity is formed in the lifting plate, a first motor is fixedly installed in the first cavity, an output shaft of the first motor is fixedly sleeved with a first bevel gear, the outer edge of the first bevel gear is meshed with a second bevel gear, and the middle of the second bevel gear is fixedly sleeved with a threaded rod. The threaded rod is movably sleeved with the first cavity, the first motor drives the transmission mechanism, the connecting block and the first groove form clamping connection, the height of the speed reducer is locked, insufficient supporting force of the hydraulic rod is avoided, the stability of the lifting mechanism is improved, the collapse risk is reduced, and the personal safety of workers is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a speed reducer maintenance technical field especially relates to a speed reducer maintenance lifting device. BACKGROUND

[0002] Speed reducer is a kind of independent component by the gear transmission, worm transmission, gear-worm transmission enclosed in rigid shell, commonly used as the speed reducer transmission device between prime mover and working machine, match rotational speed and transfer torque between prime mover and working machine or actuator, generally used for low-speed large-torque transmission equipment, motor, internal combustion engine or other high-speed rotation power through the input shaft of speed reducer on the gear of less number of teeth meshing large gear on output shaft to achieve the purpose of speed reduction, widely used in modern machinery.

[0003] In the prior art, when the speed reducer is maintained, the speed reducer is lifted to the appropriate height by using the hydraulic mechanism, but the hydraulic device can cause insufficient supporting force due to failure and other reasons, reduce the stability of the lifting structure, make the maintenance operation unable to proceed normally, and in serious cases, the top supporting mechanism can collapse, affect the personal safety of workers, therefore, to solve the above problems, the utility model provides a speed reducer maintenance lifting device. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a speed reducer maintenance lifting device, when the speed reducer is lifted to the appropriate position, the motor one drives the transmission mechanism, the moving plate drives the connecting block and the recess one to form the clamping, lock the lifting height of speed reducer, avoid the insufficient supporting force of hydraulic rod, be favorable to the stability of lifting mechanism, reduce the risk of collapse, guarantee the personal safety of workers.

[0005] The utility model provides following technical scheme: a speed reducer maintenance lifting device, including base, the base upper portion fixed mounting has sliding rod no.

[0006] Preferably, the base upper portion and between the left and right sliding rods no. are fixedly installed with hydraulic rods, the hydraulic rods are two and are symmetrically distributed left and right, the hydraulic rods telescopic end fixedly install light in the lifting plate bottom, the lifting plate upper portion movably sleeved with rotating seat, the rotating seat bottom is equipped with recess two, the recess two is equipped with tooth slot, starts hydraulic rod and makes its telescopic end lift lifting plate, makes lifting plate move upwards along sliding rod no.

[0007] Preferably, the lifting plate upper portion and directly below recess two are equipped with recess three, the recess three inner chamber left part is fixedly installed with motor no. 2, the motor no. 2 output shaft is fixedly sleeved with gear, the gear outer extension and tooth slot engage, starts motor no. 2 and makes it drive gear rotation, gear is driven rotating seat rotates on lifting plate by engaging with tooth slot, thereby adjusting the direction of speed reducer on the upper portion of support plate.

[0008] Preferably, the rotating seat upper portion is equipped with cavity no. 2, the cavity no. 2 top movably sleeved with moving block, the moving block top is fixedly installed with support plate, the rotating seat upper portion and the even fixed installation of moving block around are equipped with damping rod, the damping rod telescopic end is fixedly installed in support plate bottom, when installing speed reducer on support plate, provide buffer through the damping rod of support plate bottom, prevent the damage of too big impact when installing to device, reduce the interference of vibration to maintenance operation.

[0009] Compared with the prior art, the utility model has the following effects:

[0010] 1、When the speed reducer rises to the appropriate position, the bevel gear one is driven to rotate by the motor one, the bevel gear one and the bevel gear two are engaged to drive the threaded rod to rotate, the threaded rod drives the moving plate to move in the process of rotating, the moving plate drives the connecting block to move out of the cavity one and is clamped with the groove one, so that the locking of the lifting plate rising height is realized, the insufficient supporting force of the hydraulic rod caused by the fault during the maintenance of the speed reducer is avoided, the stability of the lifting mechanism is improved, the risk of the collapse of the lifting mechanism caused by the failure of the hydraulic mechanism is reduced, and the personal safety of the workers during the maintenance operation is ensured.

[0011] 2、When the speed reducer is installed on the supporting plate, the damping rod at the bottom of the supporting plate provides buffering, prevents excessive impact during installation from damaging the device, reduces the interference of vibration on the maintenance operation, the gear is driven to rotate by the motor two, the gear drives the rotating seat to rotate on the lifting plate by engaging with the tooth groove, so that the direction of the speed reducer on the upper part of the supporting plate is adjusted, the flexibility of the device is effectively enhanced, the back and forth running of the maintenance personnel to switch the maintenance angle is avoided, the time consumed during the maintenance is reduced, and the artificial maintenance efficiency of the speed reducer is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic view of the external structure of the utility model;

[0013] Figure 2 It is a schematic view of the cross section structure of the lifting plate of the utility model;

[0014] Figure 3 It is a schematic view of the utility model Figure 2 It is an enlarged schematic view of A in the middle;

[0015] Figure 4 It is a schematic view of the cross section of the supporting structure of the utility model;

[0016] Figure 5 It is a schematic view of the rotating structure of the utility model.

[0017] In the drawing: 1, base; 2, sliding rod one; 3, connecting rod; 4, groove one; 5, lifting plate; 6, cavity one; 7, motor one; 8, bevel gear one; 9, bevel gear two; 10, threaded rod; 11, sliding rod two; 12, moving plate; 13, connecting block; 14, hydraulic rod; 15, rotating seat; 16, groove two; 17, tooth groove; 18, groove three; 19, motor two; 20, gear; 21, cavity two; 22, moving block; 23, supporting plate; 24, damping rod. DETAILED DESCRIPTION

[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0019] Please refer to Figures 1-5 The utility model provides a reduction gear maintenance lifting device, including base 1, the upper portion fixed mounting of base 1 has sliding rod one 2, and sliding rod one 2 is four and evenly symmetrical distribution, and the top between front and back two sliding rod one 2 fixedly installs connecting rod 3, and the corresponding surface of front and back two sliding rod one 2 all evenly equidistantly has recess one 4, and four sliding rod one 2 active sleeve joint has lifting plate 5, and the cavity one 6 is seted up in lifting plate 5, and the cavity one 6 is four, and the motor one 7 is fixedly installed in the cavity one 6, and the bevel gear one 8 of motor one 7 output shaft fixed sleeve joint has, and the bevel gear two 9 of bevel gear one 8 outer extension has, and the bevel gear two 9 middle part fixed sleeve joint has screw rod 10, and screw rod 10 active sleeve joint is in the cavity one 6, and the cavity one 6 and be located motor one 7 below fixed sleeve joint has sliding rod two 11, and screw rod 10 and sliding rod two 11 between active sleeve joint has moving plate 12, and moving plate 12 is away from motor one 7 one side fixed installation has connecting block 13, and connecting block 13 and the cavity one 6 active sleeve joint and with recess one 4 joint, when reduction gear ascends to the appropriate position, starts motor one 7 and drives bevel gear one 8 rotation, drives screw rod 10 rotation through bevel gear one 8 and bevel gear two 9 meshing, screw rod 10 rotation process drives moving plate 12, makes moving plate 12 move under the auxiliary of sliding rod two 11, and moving plate 12 drives connecting block 13 and moves out the cavity one 6 and forms joint with recess one 4, to realize the locking of lifting plate 5 ascending height, avoid in the reduction gear maintenance process due to the fault and lead to the insufficient support of hydraulic rod, be favorable to the stability of lifting mechanism, reduce the risk that lifting mechanism collapses due to the failure of hydraulic mechanism, guarantee the personal safety of staff when carrying out maintenance operation simultaneously;

[0020] The upper part of the base 1 is fixedly installed with two hydraulic rods 14 which are symmetrically distributed left and right. The telescopic end of the hydraulic rod 14 is fixedly installed with a light on the bottom of the lifting plate 5. The upper part of the lifting plate 5 movably sleeves a rotating seat 15. The bottom of the rotating seat 15 is provided with a groove 2. The groove 2 is provided with a gear slot 17. The upper part of the lifting plate 5 is provided with a groove 3 directly below the groove 2. The left part of the inner cavity of the groove 3 is fixedly installed with a motor 2. The output shaft of the motor 2 is fixedly sleeved with a gear 20. When it is necessary to adjust the direction of the speed reducer, the motor 2 is started to drive the gear 20 to rotate. The gear 20 drives the rotating seat 15 to rotate on the lifting plate 5 through the meshing with the gear slot 17, so as to adjust the direction of the speed reducer on the upper part of the supporting plate 23, so that the flexibility of the device is effectively enhanced, and the time required for maintenance is reduced. It is beneficial to improve the artificial maintenance efficiency of the speed reducer. The upper part of the rotating seat 15 is provided with a cavity 2. The top of the cavity 2 movably sleeves a moving block 22. The top of the moving block 22 is fixedly installed with a supporting plate 23. The upper part of the rotating seat 15 is uniformly fixedly installed with a damping rod 24 around the moving block 22. The telescopic end of the damping rod 24 is fixedly installed at the bottom of the supporting plate 23. When the speed reducer is installed on the supporting plate 23, the supporting plate 23 is driven by the pressure of the speed reducer to drive the moving block 22 into the cavity 2, and the damping rod 24 is used to provide buffering to reduce the interference of vibration on the maintenance work.

[0021] Working principle: first, install the speed reducer on the supporting plate 23. The supporting plate 23 is driven by the pressure of the speed reducer to drive the moving block 22 into the cavity 2, and the damping rod 24 is used to provide buffering. Start the hydraulic rod 14 to make the telescopic end of the hydraulic rod 14 lift the lifting plate 5, so that the lifting plate 5 moves upwards along the slide rod 2, drives the speed reducer to rise to the appropriate position, and starts the motor 7 to drive the bevel gear 8 to rotate. The bevel gear 8 drives the bevel gear 9 to rotate through the meshing with the bevel gear 9, and the moving plate 12 is driven to move under the assistance of the slide rod 2. The moving plate 12 drives the connecting block 13 to move out of the cavity 1 and forms a clamping connection with the groove 1, so as to realize the locking of the lifting height of the lifting plate 5. When it is necessary to adjust the direction of the speed reducer, the motor 2 is started to drive the gear 20 to rotate. The gear 20 drives the rotating seat 15 to rotate on the lifting plate 5 through the meshing with the gear slot 17, so as to adjust the direction of the speed reducer on the upper part of the supporting plate 23.

Claims

1. A speed reducer maintenance lifting device comprising a base (1), characterized in that: The base (1) upper fixed installation has the slide rod one (2), the slide rod one (2) quantity is four and evenly symmetrical distribution, front and rear two The top of slide rod one (2) is fixedly installed with connecting rod (3), and the corresponding surface of front and rear two The slide rod one (2) is evenly and equidistantly provided with recess one (4), four The slide rod one (2) is movably sleeved with lifting plate (5), the cavity one (6) is formed in lifting plate (5), the cavity one (6) quantity is four, motor one (7) is fixedly installed in the cavity one (6), the output shaft of motor one (7) is fixedly sleeved with helical gear one (8), the outer extension of helical gear one (8) is engaged with helical gear two (9), the middle part of helical gear two (9) is fixedly sleeved with threaded rod (10), threaded rod (10) is movably sleeved in the cavity one (6), the cavity one (6) below motor one (7) is fixedly sleeved with slide rod two (11), the movable plate (12) is movably sleeved between threaded rod (10) and slide rod two (11), the connecting block (13) is fixedly installed on the side, away from motor one (7), of movable plate (12), the connecting block (13) is movably sleeved with the cavity one (6) and is connected with recess one (4).

2. A speed reducer maintenance lifting device according to claim 1, characterized in that: The base (1) upper and between left and right slide rod one (2) is fixedly installed with hydraulic rod (14), the hydraulic rod (14) quantity is two and left and right symmetrical distribution, the telescopic end of hydraulic rod (14) is fixedly installed on the bottom of lifting plate (5), the rotating seat (15) is movably sleeved on the upper portion of lifting plate (5), the recess two (16) is formed in the bottom of rotating seat (15), the gear slot (17) is formed in the recess two (16).

3. A speed reducer service lifting device according to claim 2, characterized in that: The recess three (18) is formed in the upper portion of lifting plate (5) and directly below recess two (16), the motor two (19) is fixedly installed in the left part of the inner cavity of recess three (18), the gear (20) is fixedly sleeved on the output shaft of motor two (19), and the gear (20) is engaged with gear slot (17) outward.

4. A speed reducer service lifting device according to claim 2, characterized in that: The cavity two (21) is formed in the upper portion of rotating seat (15), the movable block (22) is movably sleeved on the top of cavity two (21), the supporting plate (23) is fixedly installed on the top of movable block (22), the damping rod (24) is fixedly installed on the bottom of supporting plate (23) and is evenly fixedly installed around movable block (22) on the upper portion of rotating seat (15).

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