Motor protection device for travelling crane

Abstract

The utility model relates to the technical field of travelling cranes, and discloses a motor protection device for a travelling crane, which comprises a moving plate and a steel frame, a motor is fixedly mounted at the top of the moving plate, tracks are fixedly connected to two sides of the top of the moving plate, screw rods are in threaded connection with the interiors of the tracks, moving blocks are arranged in the tracks, and the moving blocks are fixedly connected with the steel frame. Pulleys are rotatably connected to the interiors of the moving blocks, bearings are fixedly mounted on the outer sides of the moving blocks, the screw rods are rotatably connected to the outer sides of the moving blocks through the bearings, the number of the moving blocks is four, and every two moving blocks form a group; the top of each moving block is fixedly connected with a first protective cover and a second protective cover. The motor protection cover has the following advantages and effects that the motor is covered by the first protection cover and the second protection cover, so that the motor can be protected to a great extent, and the protection effect on the motor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technology field of travelling crane, especially a motor protection device for travelling crane. BACKGROUND

[0002] Steel structure is one of the most common building materials due to its low price and reliable performance, and has a wide application. In the production process of steel structure, a travelling crane hoisting mechanism is often used, and a motor is an important component in the hoisting mechanism, which provides power.

[0003] In the prior art, a motor protection support for travelling crane is disclosed in Chinese patent No. CN220998991U, which includes a travelling motor, a hoisting motor, and a speed reduction mechanism. The travelling motor has a motor end cover fixed at one end. The speed reduction mechanism has a first mounting plate fixedly connected at one end for connection with the travelling motor. The motor end cover is fixedly connected with the connecting plate through bolts. The travelling motor has a protective support on the outer side. The protective support is composed of support angle steels, connecting cross beams, arc-shaped protective plates, and welding plates. The connecting cross beams are fixedly connected between the right ends of the support angle steels. The welding plates are fixedly connected perpendicularly at the other ends of the support angle steels. The other side of the welding plates is fixedly welded on the first mounting plate. The arc-shaped protective plates are fixedly connected evenly between the support angle steels. The motor protection support is designed to prevent the travelling motor from falling from the gantry after long-time operation of the travelling crane equipment under the action of external forces such as vibration. The motor protection support can effectively protect the travelling motor during long-time operation of the travelling crane and improve the safety of the overall equipment.

[0004] Since the travelling crane is a high-altitude operation, the motor needs to be protected by a protective device. The above-mentioned patent protects the motor by a support, which has the problem of poor protection effect. At the same time, high-altitude debris can also cause damage to the motor. Therefore, the above-mentioned problems need to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a motor protection device for travelling crane, which has good protection effect on the motor.

[0006] The utility model discloses a technical purpose above is realized through the following technical scheme: a motor protection device for travelling crane, including moving plate and steel frame, the top fixed mounting of moving plate has the motor, both sides of moving plate top are all fixedly connected with track, the inside screw thread connection of track has screw rod, the inside of track is provided with moving block, the inside rotationally connected of moving block has pulley, the outside fixed mounting of moving block has bearing, the outside rotationally connected of screw rod through bearing in moving block, the quantity of moving block is four, and two two of four moving block is a group, and the top of every group moving block is fixedly connected with first protective cover and second protective cover respectively, the inside all is seted up with screw hole in first protective cover and second protective cover, the inside splicing of screw hole has screw pin, the middle part of screw pin is sleeved with connecting plate.

[0007] Through adopting the above technical scheme, the motor is installed at the center of the top of the moving plate, when protecting the motor on the top of the moving plate, the staff twists the screw rod, so that the screw rod is telescopic in the inside of the track, the moving block is rotationally connected with the screw rod through the bearing, so that the screw rod will drive the moving block to walk in the inside of the track during the telescopic process, the pulley is in contact with the inner bottom wall of the track, and the pulley is rotationally connected in the inside of the moving block, so as to improve the smoothness of the moving block during walking, the first protective cover and the second protective cover are fixed on the top of the two groups of moving blocks respectively, so that the first protective cover and the second protective cover can move towards the motor, the first protective cover and the second protective cover are closed, so as to form a cage for the motor, then the staff overlaps the connecting plate to the top of the first protective cover and the second protective cover, so that the screw pin penetrates into the inside of the connecting plate and extends into the screw hole, so as to fix the first protective cover and the second protective cover, the cage formed by the first protective cover and the second protective cover for the motor can greatly protect the motor, and improve the protection effect of the motor.

[0008] The utility model further provides: one end of screw rod is fixedly connected with handle, the outside fixedly connected with sheath of handle.

[0009] Through adopting the above technical scheme, the staff holds the handle to rotate the screw rod, which is more convenient.

[0010] The utility model further provides: the inside fixedly connected with clamping block of first protective cover and second protective cover, the inside opening of clamping block has clamping groove, the inside clamped of clamping groove has soundproofing cotton.

[0011] Through adopting the above technical scheme, the soundproofing cotton is clamped to the inside of the first protective cover and the second protective cover through the clamping block, the soundproofing cotton is attached to the inner wall of the first protective cover and the second protective cover, so as to isolate the noise generated by the motor and reduce the noise pollution.

[0012] A further feature of this invention is that heat dissipation cavities are provided on the outer sides of both the first and second protective covers.

[0013] By adopting the above technical solution, the heat generated by the motor during operation is discharged through the sound insulation cotton and then through the heat dissipation cavity, thereby dissipating the heat inside the first and second protective covers and achieving the effect of heat dissipation for the motor.

[0014] A further feature of this invention is that a connecting rod is fixedly connected inside the heat dissipation cavity, and a grille is fixedly connected outside the connecting rod.

[0015] By adopting the above technical solution, the grille is fixed inside the heat dissipation cavity by the connecting rod, and multiple grilles cover the heat dissipation cavity, thereby preventing impurities and gravel from entering the interior of the first and second protective covers.

[0016] A further feature of this invention is that an electric slide rail is fixedly installed on the top of the steel frame, and the movable plate is fixed to the output end of the electric slide rail.

[0017] By adopting the above technical solution, the electric slide rail is installed on the top of the steel frame, and the moving plate is moved by the electric slide rail.

[0018] A further feature of this invention is that the electric slide rail is model TRHVE.

[0019] By adopting the above technical solution, the number of electric slide rails is two, and the two electric slide rails are in a straight line.

[0020] A further feature of this invention is that the first protective cover and the second protective cover are symmetrical to each other.

[0021] By adopting the above technical solution, the first protective cover and the second protective cover simultaneously move towards the center of the moving plate, so that the first protective cover and the second protective cover can wrap around the motor.

[0022] A further feature of this invention is that an installation groove is provided at the bottom of the steel frame.

[0023] By adopting the above technical solution, the steel frame is supported by crossbeams, which are then welded to the inside of the mounting groove.

[0024] A further feature of this invention is that the number of heat dissipation cavities is four, and the four heat dissipation cavities are distributed on both sides outside the first protective cover and the second protective cover.

[0025] By adopting the above technical solution, heat dissipation cavities are opened on both sides of the first and second protective covers, thereby improving the heat dissipation effect.

[0026] The utility model discloses beneficial effect is:

[0027] 1, the utility model discloses a through the setting between the moving plate, motor, track, screw rod, moving block, pulley, bearing, first protective cover, second protective cover, screw hole, screw and connecting plate, the motor is installed at the center at the top of moving plate, when the motor at the top of moving plate is protected, the staff twists screw rod, makes the screw rod telescopic in the inside track, and moving block is rotatably connected with screw rod through bearing, and then makes the screw rod in the telescopic process drive moving block to walk in the inside track, and the pulley is contacted with the inner bottom wall of track, and the pulley is rotatably connected in the inside moving block, and then improves the smoothness of moving block in the walking process, and first protective cover and second protective cover are fixed at the top of two groups of moving blocks respectively, and then makes first protective cover and second protective cover can move to the direction of motor, and first protective cover and second protective cover close, and then form the cage of motor, and then the staff overlaps connecting plate to the top of first protective cover and second protective cover, makes the screw is penetrated to the inside connecting plate and extends to the screw hole, and then can fix between first protective cover and second protective cover, and the cage of motor through first protective cover and second protective cover can greatly protect the motor, and improve the protection effect of motor.

[0028] 2, the utility model discloses a through the setting between the clamping block, soundproofing cotton, heat dissipation cavity, connecting rod and grating, the soundproofing cotton is clamped to the inside first protective cover and second protective cover through clamping block, and the soundproofing cotton is attached to the inner wall of first protective cover and second protective cover, and then can isolate the noise generated by motor, reduce noise pollution, and the heat generated by motor is discharged through soundproofing cotton and then through heat dissipation cavity, and then can dissipate the heat in the inside first protective cover and second protective cover, reach the effect of heat dissipation of motor, and the grating is fixed in the inside heat dissipation cavity through connecting rod, and multiple gratings cover heat dissipation cavity, and then can prevent impurities and gravel from entering the inside first protective cover and second protective cover. ACCURACY

[0029] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0030] Figure 1 It is the structural schematic diagram of the utility model;

[0031] Figure 2 It is the side view structural schematic diagram of the inside track of the utility model;

[0032] Figure 3 is a top view structural schematic diagram of the first protective cover inside the utility model;

[0033] Figure 4 is a top view structural schematic diagram of the first protective cover inside the utility model Figure 1 is an enlarged structural schematic diagram of A in the middle.

[0034] In the figure, 1, moving plate; 2, motor; 3, track; 4, screw rod; 5, moving block; 6, pulley; 7, bearing; 8, first protective cover; 9, second protective cover; 10, threaded hole; 11, screw pin; 12, connecting plate; 13, handle; 14, clamping block; 15, soundproof cotton; 16, heat dissipation cavity; 17, connecting rod; 18, grating; 19, steel frame; 20, electric sliding rail. DETAILED DESCRIPTION

[0035] The technical scheme of the utility model will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0036] Refer to Figures 1-4The utility model provides an electric machine protection device for driving, including moving plate 1 and steel frame 19, the top fixed mounting of moving plate 1 has electric machine 2, both sides of moving plate 1 top are fixedly connected with track 3, the inside screw thread connection of track 3 has screw rod 4, the inside of track 3 is provided with moving block 5, the inside rotationally connected of moving block 5 has pulley 6, the outside fixed mounting of moving block 5 has bearing 7, screw rod 4 is rotatably connected in the outside of moving block 5 through bearing 7, the quantity of moving block 5 is four, and four moving block 5 two two are a group, and the top of each group moving block 5 is fixedly connected with first protective cover 8 and second protective cover 9 respectively, the inside of first protective cover 8 and second protective cover 9 all are set with threaded hole 10, threaded hole 10 is inserted with screw pin 11, the middle part of screw pin 11 is sleeved with connecting plate 12, electric machine 2 is installed at the center of moving plate 1 top, when protecting electric machine 2 of moving plate 1 top, staff twists screw rod 4, makes screw rod 4 in the inside telescopic of track 3, moving block 5 is rotatably connected with screw rod 4 through bearing 7, to make screw rod 4 in the telescopic process will drive moving block 5 in the inside of track 3 and walk, pulley 6 is in contact with the inner bottom wall of track 3, and pulley 6 is rotatably connected in the inside of moving block 5, to improve the smoothness of moving block 5 in the walking process, first protective cover 8 and second protective cover 9 are fixed on the top of two groups of moving block 5 respectively, to make first protective cover 8 and second protective cover 9 can move to the direction of electric machine 2, first protective cover 8 and second protective cover 9 close, to form the cage of electric machine 2, then staff connects connecting plate 12 to the top of first protective cover 8 and second protective cover 9, makes screw pin 11 penetrate to the inside of connecting plate 12 and extend to threaded hole 10, to be able to fix between first protective cover 8 and second protective cover 9, by the cage of electric machine 2 formed by first protective cover 8 and second protective cover 9 can greatly protect electric machine 2, improve the protection effect of electric machine 2, one end of screw rod 4 is fixedly connected with handle 13, the outside of handle 13 is fixedly connected with sheath, hold handle 13 and rotate screw rod 4, it is more convenient, the inside of first protective cover 8 and second protective cover 9 is fixedly connected with clamping block 14, the inside of clamping block 14 is set with the recess groove, the recess groove is clamped with soundproof cotton 15, soundproof cotton 15 is clamped to the inside of first protective cover 8 and second protective cover 9 through clamping block 14, soundproof cotton 15 is attached to the inner wall of first protective cover 8 and second protective cover 9, to be able to isolate the noise of electric machine 2, reduce noise pollution, the outside of first protective cover 8 and second protective cover 9 all are set with heat dissipation cavity 16, the heat of electric machine 2 when operating, passes through soundproof cotton 15 again through heat dissipation cavity 16 and exports, to be able to heat dissipation the heat in the inside of first protective cover 8 and second protective cover 9, reach the effect of heat dissipation of electric machine 2, the inside of heat dissipation cavity 16 is fixedly connected with connecting rod 17, the outside of connecting rod 17 is fixedly connected with grating 18, grating 18 is fixed in the inside of heat dissipation cavity 16 through connecting rod 17,And a plurality of grating 18 covers the heat dissipation cavity 16, thereby preventing impurities and gravel into the first protective cover 8 and the second protective cover 9 inside, the top of the steel frame 19 is fixedly installed with electric sliding rail 20, the moving plate 1 is fixed on the output end of the electric sliding rail 20, the electric sliding rail 20 is installed on the top of the steel frame 19, the moving plate 1 is driven to displace by the electric sliding rail 20, the model of the electric sliding rail 20 is TRH30VE, the number of the electric sliding rail 20 is two, and the two electric sliding rails are linear, the first protective cover 8 and the second protective cover 9 are symmetrical to each other, the first protective cover 8 and the second protective cover 9 displace to the center of the moving plate 1 at the same time, so that the first protective cover 8 and the second protective cover 9 can wrap the motor 2, the bottom of the steel frame 19 is provided with an installation groove, the steel frame 19 is supported by the cross beam, and the cross beam is welded in the installation groove.

[0037] The utility model discloses a motor 2 is installed at the center of mobile board 1 top, when the motor 2 of mobile board 1 top is protected, staff twists screw rod 4, makes screw rod 4 telescopic in the inside track 3, moving block 5 is rotatably connected with screw rod 4 through bearing 7, and then makes screw rod 4 in telescopic process will drive moving block 5 to walk in the inside track 3, pulley 6 is in contact with the inner bottom wall of track 3, and pulley 6 is rotatably connected in the inside moving block 5, and then improve the smoothness of moving block 5 in the walking process, first protective cover 8 and second protective cover 9 are fixed at the top of two groups of moving block 5 respectively, and then first protective cover 8 and second protective cover 9 can move to the direction of motor 2, first protective cover 8 and second protective cover 9 close, and then form the cage cover of motor 2, then staff overlaps the top of first protective cover 8 and second protective cover 9 with connecting plate 12, makes screw bolt 11 to penetrate to the inside connecting plate 12 and extend to screw hole 10, and then can fix between first protective cover 8 and second protective cover 9, the cage cover of first protective cover 8 and second protective cover 9 to motor 2 can greatly protect motor 2, improve the protection effect of motor 2, soundproofing cotton 15 is clamped to the inside first protective cover 8 and second protective cover 9 through clamp block 14, and soundproofing cotton 15 is attached to the inner wall of first protective cover 8 and second protective cover 9, and then can isolate the noise of motor 2, reduce noise pollution, the heat of motor 2 is discharged through soundproofing cotton 15 and then through heat dissipation cavity 16 when working, and then can heat dissipation the heat in the inside first protective cover 8 and second protective cover 9, reach the effect of heat removal of motor 2, and grille 18 is fixed in the inside heat dissipation cavity 16 through connecting rod 17, and multiple grilles 18 cover heat dissipation cavity 16, and then can prevent impurities and gravel from entering the inside first protective cover 8 and second protective cover 9.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A protection device for electric machines for vehicles, comprising a mobile plate (1) and a steel frame (19), characterized in that: The top of the moving plate (1) is fixedly provided with a motor (2), both sides of the top of the moving plate (1) are fixedly connected with rails (3), the inside of the rail (3) is threadedly connected with a screw rod (4), the inside of the rail (3) is provided with moving blocks (5), the inside of the moving block (5) is rotatably connected with a pulley (6), the outside of the moving block (5) is fixedly provided with a bearing (7), the screw rod (4) is rotatably connected to the outside of the moving block (5) through the bearing (7), the number of the moving block (5) is four, and the four moving blocks (5) are two by two as a group, the top of each group of the moving block (5) is fixedly connected with a first protective cover (8) and a second protective cover (9), respectively, the inside of the first protective cover (8) and the second protective cover (9) is provided with a threaded hole (10), the threaded hole (10) is inserted with a screw pin (11), the middle of the screw pin (11) is sleeved with a connecting plate (12).

2. A motor guard for a vehicle as claimed in claim 1, wherein: One end of the screw rod (4) is fixedly connected with a handle (13), and the outside of the handle (13) is fixedly connected with a sheath.

3. A motor guard for a vehicle as claimed in claim 1, wherein: The inside of the first protective cover (8) and the second protective cover (9) is fixedly connected with a clamping block (14), the inside of the clamping block (14) is provided with a clamping groove, and the inside of the clamping groove is clamped with sound insulation cotton (15).

4. A motor guard for a vehicle as claimed in claim 1, wherein: The outside of the first protective cover (8) and the second protective cover (9) is provided with a heat dissipation cavity (16).

5. A motor guard for a vehicle as claimed in claim 4, wherein: The inside of the heat dissipation cavity (16) is fixedly connected with a connecting rod (17), and the outside of the connecting rod (17) is fixedly connected with a grille (18).

6. A motor guard for a vehicle as claimed in claim 1, wherein: The top of the steel frame (19) is fixedly provided with an electric sliding rail (20), and the moving plate (1) is fixed to the output end of the electric sliding rail (20).

7. A motor guard for a vehicle as claimed in claim 6, wherein: The model of the electric sliding rail (20) is TRH30VE.

8. A motor guard for a vehicle as claimed in claim 1, wherein: The first protective cover (8) and the second protective cover (9) are mutually symmetrical.

9. A motor guard for a vehicle as claimed in claim 1, wherein: The bottom of the steel frame (19) is provided with a mounting groove.

10. A motor guard for a vehicle as claimed in claim 4, wherein: The number of the heat dissipation cavities (16) is four, and the four heat dissipation cavities (16) are distributed on both sides of the outside of the first protective cover (8) and the second protective cover (9).

Images