CN213783062U - Speed reduction motor for lifting of gantry crane - Google Patents

Abstract

The utility model discloses a speed reducing motor for lifting of a gantry crane, which belongs to the field of motors and comprises a reduction box and a motor, wherein a motor shaft of the motor is rotationally connected with a driving gear through threads, the driving gear is meshed with a driven gear, the upper end of the right side of the reduction box is fixedly connected with a reinforcing sleeve, the right side of the reinforcing sleeve is fixedly connected with a first flange, the first flange is fixedly connected with a second flange through bolts, the fixing and limiting of a bearing are respectively increased through the arrangement of a first sleeve, a second sleeve, a third sleeve and a fourth sleeve, the thickness of the reduction box at the rotational connection part of the motor shaft, a transmission shaft and the reduction box is respectively increased, the connection part is prevented from being broken and damaged after long-term use, the service life of the reduction box is prolonged, meanwhile, the shielding and limiting of a sealing gasket through a baffle ring are realized, and the sealing performance of the connection part of the reduction box and a box cover is improved, the defect caused by sand and stone dust entering the interior of the reduction gearbox is avoided.

Description

Speed reduction motor for lifting of gantry crane

Technical Field

The utility model relates to a motor field, more specifically say, relate to a gantry crane plays to rise and uses gear motor.

Background

The speed reducing motor is an integrated body of a speed reducer and a motor. Such an integrated body may also be generally referred to as a gear motor or gearmotor. Generally, a professional reducer production plant is integrated and assembled, and then the reducer and a motor are supplied in a set.

The casing majority of the reducing gear box among the present bridge portal crane plays to rise and uses gear motor is thinner, and the rotation junction of conveying axle and motor shaft is impaired seriously under long-term and fast-speed rotation drives, takes place the phenomenon of rupture damage easily to the life of reducing gear box has been reduced, and the majority leakproofness of junction of current reducing gear box and reduction box lid is poor moreover, and tiny gravel and sand dust enters into the inside of reducing gear box easily, thereby influences the normal use of reducing gear box.

SUMMERY OF THE UTILITY MODEL

Problem to exist among the prior art, an object of the utility model is to provide a gantry crane plays to rise and uses gear motor, through first sleeve, the second sleeve, third sleeve and the telescopic setting of fourth, it is spacing to the fixed of bearing to have increaseed respectively, and increased the thickness of motor shaft and transmission shaft and the reducing gear box reduction box that the reducing gear box of reducing gear box rotation junction respectively, avoid taking place to break the damage in long-term use back junction, thereby the life of reducing gear box has been prolonged, simultaneously through keeping off the ring to sealed sheltering from and spacing of filling up, the leakproofness of reducing gear box and case lid junction has been strengthened, avoid the drawback that gravel and sand dust enters into the inside of reducing gear box and brings.

In order to solve the above problems, the utility model adopts the following technical proposal.

A speed reduction motor for lifting of a gantry crane comprises a reduction gearbox and a motor, wherein a motor shaft of the motor is rotatably connected with a driving gear through threads, the driving gear is meshed with a driven gear, the upper end of the right side of the reduction gearbox is fixedly connected with a reinforcing sleeve, the right side of the reinforcing sleeve is fixedly connected with a first flange, the first flange is fixedly connected with a second flange through bolts, the upper end of the right side of the interior of the reduction gearbox is fixedly connected with a first sleeve, the lower end of the right side of the interior of the reduction gearbox is fixedly connected with a second sleeve, a box cover is clamped on the left side of the reduction gearbox, the inner side of the lower end of the box cover is fixedly connected with a third sleeve, the outer side of the lower end of the box cover is fixedly connected with a fourth sleeve, bearings are respectively clamped inside the first sleeve, the second sleeve, the third sleeve and the fourth sleeve, and a retaining ring is fixedly connected on the left side of the interior of the reduction gearbox, keep off the left side of ring and hug closely sealed to have sealed the pad, through first sleeve, the second sleeve, third sleeve and fourth telescopic setting, it is spacing to the fixed of bearing to have increaseed respectively, and increased the thickness of motor shaft and transmission shaft and the reducing gear box of reducing gear box rotation junction respectively, avoid taking place to break the damage in long-term use back junction, thereby the life of reducing gear box has been prolonged, simultaneously through keeping off the sheltering from and spacing of ring to sealed pad, the leakproofness of reducing gear box and case lid junction has been strengthened, avoid the drawback that the inside of gravel and sand dust entering into the reducing gear box brought.

Furthermore, the right side fixedly connected with adapter sleeve of second flange, the right side fixed connection of adapter sleeve is in the left side of motor, sets up respectively through reinforcing cover and adapter sleeve, has increaseed the steadiness of the junction of first flange and reducing gear box, the steadiness of motor and second flange junction respectively.

Furthermore, the motor shaft rotates to penetrate through the reinforcing sleeve, the first flange, the second flange and the connecting sleeve, the motor shaft rotates to penetrate through the inside of the bearing, and the motor shaft rotates to penetrate through the bearing, so that the motor shaft can rotate conveniently.

Furthermore, the inside of bearing rotates and is connected with the transmission shaft, the transmission shaft rotates and passes driven gear's inside, drives external object through the left side of transmission shaft and rotates to make the motor pass through the reducing gear box and drive external object and rotate.

Furthermore, a plurality of lug plates are fixedly connected to the outer side of the box cover, the lug plates are fixedly connected with the reduction box through bolts, the left side surface of the sealing gasket is tightly attached to the right side surface of the box cover in a sealing mode, and the baffle ring is used for limiting and shielding the right side of the sealing gasket.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through first sleeve, the second sleeve, third sleeve and the telescopic setting of fourth, it is spacing to the fixed of bearing has been increaseed respectively, and the thickness of motor shaft and transmission shaft and the reducing gear box reduction box of reducing gear box rotation junction has been increaseed respectively, avoid taking place to break the damage in long-term use back junction, thereby the life of reducing gear box has been prolonged, simultaneously through keeping off the ring to sealed sheltering from of filling up with spacing, the leakproofness of reducing gear box and case lid junction has been increaseed, the drawback that the inside of avoiding the gravel and sand dust to enter into the reducing gear box brought.

(2) The right side fixedly connected with adapter sleeve of second flange, the right side fixed connection of adapter sleeve is in the left side of motor, sets up respectively through reinforcing cover and adapter sleeve, has increaseed the steadiness of the junction of first flange and reducing gear box, the steadiness of motor and second flange junction respectively.

(3) The motor shaft rotates and passes through the reinforcing sleeve, the first flange, the second flange and the connecting sleeve, the motor shaft rotates and passes through the bearing, and the motor shaft rotates and passes through the bearing, so that the motor shaft can rotate conveniently.

(4) The inside of bearing is rotated and is connected with the transmission shaft, and the transmission shaft rotates the inside of passing driven gear, drives external object through the left side of transmission shaft and rotates to make the motor pass through the reducing gear box and drive external object and rotate.

(5) The outer side of the box cover is fixedly connected with a plurality of lug plates, the lug plates are fixedly connected with the reduction box through bolts, the left side surface of the sealing gasket is tightly attached to the right side surface of the box cover in a sealing mode, and the baffle ring is used for limiting and shielding the right side of the sealing gasket.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

fig. 3 is a left side view of the box cover of the present invention.

The reference numbers in the figures illustrate:

the device comprises a reduction gearbox 1, a motor 2, a motor shaft 3, a driving gear 4, a driven gear 5, a reinforcing sleeve 6, a first flange 7, a second flange 8, a connecting sleeve 9, a first sleeve 10, a second sleeve 11, a box cover 12, a third sleeve 13, a fourth sleeve 14, a bearing 15, a transmission shaft 16, a lug plate 17, a baffle ring 18 and a sealing gasket 19.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, a speed reduction motor for lifting of a gantry crane comprises a reduction gearbox 1 and a motor 2, referring to fig. 2, a motor shaft 3 of the motor 2 is rotatably connected with a driving gear 4 through threads, the model of the motor 2 is YE2, a plug of the motor 2 is plugged with an external power supply, belonging to the prior art, the driving gear 4 is meshed with a driven gear 5, the upper end of the right side of the reduction gearbox 1 is fixedly connected with a reinforcing sleeve 6, the right side of the reinforcing sleeve 6 is fixedly connected with a first flange 7, the first flange 7 is fixedly connected with a second flange 8 through bolts, the upper end of the right side inside of the reduction gearbox 1 is fixedly connected with a first sleeve 10, the lower end of the right side inside of the reduction gearbox 1 is fixedly connected with a second sleeve 11, the left side of the reduction gearbox 1 is clamped with a box cover 12, the inner side of the lower end of the box cover 12 is fixedly connected with a third sleeve 13, the outer side of the lower end of the box cover 12 is fixedly connected with a fourth sleeve 14, first sleeve 10, second sleeve 11, the inside difference joint of third sleeve 13 and fourth sleeve 14 has bearing 15, the inside left side fixedly connected with of reducing gear box 1 keeps off ring 18, the left side of keeping off ring 18 is hugged closely sealed has sealed 19, through first sleeve 10, second sleeve 11, the setting of third sleeve 13 and fourth sleeve 14, the fixed spacing to bearing 15 has been increaseed respectively, and the thickness of motor shaft 3 and transmission shaft 16 and reducing gear box 1 rotation junction's reducing gear box 1 has been increaseed respectively, avoid taking place to break the damage in long-term use back junction, thereby the life of reducing gear box 1 has been prolonged, simultaneously through keeping off ring 18 to sealed 19 sheltering from with spacing, the leakproofness of reducing gear box 1 with case lid 12 junction has been increaseed, avoid the drawback that the grit dust enters into the inside of reducing gear box 1 and brings.

Referring to fig. 2, a connecting sleeve 9 is fixedly connected to the right side of the second flange 8, the right side of the connecting sleeve 9 is fixedly connected to the left side of the motor 2, the reinforcing sleeve 6 and the connecting sleeve 9 are respectively arranged to respectively increase the stability of the joint of the first flange 7 and the reduction gearbox 1, the stability of the joint of the motor 2 and the second flange 8 is increased, the motor shaft 3 rotates to penetrate through the reinforcing sleeve 6, the first flange 7, the second flange 8 and the connecting sleeve 9, the motor shaft 3 rotates to penetrate through the inside of the bearing 15, and the motor shaft 3 rotates to penetrate through the bearing 15 to facilitate the rotation of the motor shaft 3.

Referring to fig. 2, a transmission shaft 16 is rotatably connected to the inside of the bearing 15, the transmission shaft 16 rotatably penetrates through the inside of the driven gear 5, and the left side of the transmission shaft 3 drives an external object to rotate, so that the motor 2 drives the external object to rotate through the reduction gearbox 1, a plurality of lug plates 17 are fixedly connected to the outer side of the box cover 12, the lug plates 17 are fixedly connected to the reduction gearbox 1 through bolts, the left side surface of the sealing gasket 19 is tightly attached to the right side surface of the box cover 12 for sealing, and the baffle ring 18 limits and shields the right side of the sealing gasket 19.

The left side of the transmission shaft 16 is fixedly clamped with an object to be driven by the outside, then a power supply of the motor 2 is inserted, so that the motor 2 works, the motor shaft 3 of the motor 2 rotates, the motor shaft 3 drives the driving gear 4 to rotate, the driving gear 4 drives the driven gear 5 to rotate, the driven gear 5 drives the transmission shaft 16 to rotate, the left side and the right side of the transmission shaft 16 respectively rotate inside the bearing 15, the left side of the transmission shaft 16 drives the object to be driven by the outside to rotate, the fixing and limiting of the bearing 15 are respectively increased through the arrangement of the first sleeve 10, the second sleeve 11, the third sleeve 13 and the fourth sleeve 14, the thickness of the reduction gearbox 1 at the rotating connection part of the motor shaft 3 and the transmission shaft 16 and the reduction gearbox 1 is respectively increased, the connection part is prevented from being broken and damaged after long-term use, the service life of the reduction gearbox 1 is prolonged, and the shielding and limiting of the sealing gasket 19 are simultaneously performed through the baffle ring 18, the sealing performance of the joint of the reduction gearbox 1 and the box cover 12 is improved, and the defect caused by sand and stone dust entering the reduction gearbox 1 is avoided.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a bridge portal crane plays to rise and uses gear motor, includes reducing gear box (1) and motor (2), its characterized in that: the motor shaft (3) of motor (2) is connected with driving gear (4) through the screw thread rotation, driving gear (4) meshing has driven gear (5), the right side upper end fixedly connected with of reducing gear box (1) consolidates cover (6), the right side fixedly connected with first flange (7) of consolidating cover (6), first flange (7) are through bolt fixedly connected with second flange (8), the inside right side upper end fixedly connected with first sleeve (10) of reducing gear box (1), the inside right side lower extreme fixedly connected with second sleeve (11) of reducing gear box (1), the left side joint of reducing gear box (1) has case lid (12), the inboard fixedly connected with third sleeve (13) of lower extreme of case lid (12), the lower extreme outside fixedly connected with fourth sleeve (14) of case lid (12), first sleeve (10), The bearing (15) is respectively clamped inside the second sleeve (11), the third sleeve (13) and the fourth sleeve (14), a baffle ring (18) is fixedly connected to the left side of the inside of the reduction gearbox (1), and a sealing gasket (19) is tightly attached to the left side of the baffle ring (18).

2. The gear motor for lifting of the bridge-gate crane according to claim 1, characterized in that: the right side of second flange (8) fixedly connected with adapter sleeve (9), the right side fixed connection of adapter sleeve (9) is in the left side of motor (2).

3. The gear motor for lifting of the bridge-gate crane according to claim 1, characterized in that: the motor shaft (3) rotates to penetrate through the reinforcing sleeve (6), the first flange (7), the second flange (8) and the connecting sleeve (9), and the motor shaft (3) rotates to penetrate through the inside of the bearing (15).

4. The gear motor for lifting of the bridge-gate crane according to claim 1, characterized in that: the inside of bearing (15) rotates and is connected with transmission shaft (16), transmission shaft (16) rotate and pass the inside of driven gear (5).

5. The gear motor for lifting of the bridge-gate crane according to claim 1, characterized in that: the outer side of the box cover (12) is fixedly connected with a plurality of lug plates (17), the lug plates (17) are fixedly connected with the reduction box (1) through bolts, and the left side surface of the sealing gasket (19) is tightly attached to and sealed with the right side surface of the box cover (12).

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