Electric hoist hoisting device

Abstract

The utility model belongs to the field of electric hoists, and particularly relates to an electric hoist hoisting device which comprises a track frame. A driving trolley is mounted in the middle of the track frame; a connecting disc is mounted at the bottom of the driving trolley; the bottom of the connecting disc is fixedly connected with a connecting box; the middle of the connecting box is slidably connected with a lead screw. The middle of the lead screw is in threaded connection with a threaded sleeve. The threaded sleeve is located in the connecting box. A first gear is fixedly connected to the middle part of the screw sleeve; a first motor is fixedly connected to the inner side wall of the connecting box; the output end of the first motor is fixedly connected with a second gear; the second gear is meshed with the first gear; the bottom of the connecting box is fixedly connected with a pair of bearing plates; the top of the end, away from the hoisting mechanism, of the connecting plate is rotationally connected with a needle bearing. By means of the structure, the horizontal distance between the hoisting mechanism and the driving trolley can be adjusted, and the situation that objects are difficult to hoist to a destination accurately due to the fact that movement of the hoisting mechanism is blocked is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric hoist field, specifically a kind of electric hoist hoisting device. BACKGROUND

[0002] Electric hoist is a kind of portable and efficient hoisting equipment, with small size, light weight, simple operation, easy to use and other characteristics.

[0003] Electric hoist is generally installed on the guide rail on the top of workshop indoor, after using electric hoist to lift heavy, drive trolley is moved to drive hoisting mechanism along guide rail, to transfer hoisting object to target location, but due to the hoisting mechanism of existing electric hoist is generally located in the directly below drive trolley, and when carrying out some operation, drive trolley is difficult to move to the top of target point, so that hoisting mechanism is difficult to directly hoist goods to specified position.

[0004] Therefore, the utility model provides a kind of electric hoist hoisting device. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background art is solved.

[0006] The utility model discloses a kind of electric hoist hoisting device, including track frame;The middle part of the track frame is installed with drive trolley;The bottom of the drive trolley is installed with connecting disc;The bottom of the connecting disc is fixedly connected with connecting box;The middle part of the connecting box is slidably connected with screw rod;The middle part of the screw rod is threadedly connected with screw sleeve;The screw sleeve is located inside connecting box;The middle part of the screw sleeve is fixedly connected with first gear;The inner side wall of the connecting box is fixedly connected with first motor;The output of the first motor is fixedly connected with second gear;The second gear is meshed with first gear and is arranged;The bottom of a pair of bearing plates is fixedly connected with the connecting box;The both ends of the screw rod are fixedly connected with connecting plate;The bottom of one end of the connecting plate is installed with hoisting mechanism;The top of the end of the connecting plate away from hoisting mechanism is rotatably connected with needle roller bearing;By the above structure, the horizontal distance between hoisting mechanism and drive trolley can be adjusted, reduce hoisting mechanism moving blocked and difficult to accurately hoist goods to destination.

[0007] Preferably, the connecting disc is rotatably connected to the bottom of the drive trolley;The bottom of the drive trolley is fixedly connected with second motor;The output of the second motor is fixedly connected with third gear;The middle part of the connecting disc is fixedly connected with fourth gear;The fourth gear is meshed with third gear and is arranged;By the above structure, the position adjustment flexibility of the hoisting mechanism can be improved, so that the hoisting mechanism can more conveniently hoist objects to the specified position.

[0008] Preferably, the top of the connecting box is provided with a liquid injection port; the middle of the screw sleeve is fixedly connected with a sleeve ring; the middle of the sleeve ring is fixedly connected with a plurality of liquid guide strips; the ends of the plurality of liquid guide strips are inserted into the inside of the screw sleeve; the liquid guide strips are flexible liquid absorbing materials; through the above structure, the screw sleeve connection part can be automatically lubricated when the hoisting mechanism is position adjusted, the running resistance of the device is reduced, and the service life of the device is improved.

[0009] Preferably, the sidewall of the connecting box is fixedly connected with a telescopic bellows; the other end of the telescopic bellows is fixedly connected to the sidewall of the connecting plate; the screw rod is located inside the telescopic bellows; through the above structure, the situation that external impurities fall on the surface of the screw rod and cause the components to cooperate with difficulty can be reduced, and the influence on the service life of the components is reduced.

[0010] Preferably, the middle of the connecting plate is fixedly connected with a baffle; the baffle is arranged through the connecting box; the baffle is located above the screw rod and between the screw rod and the telescopic bellows; through the above structure, the situation that the telescopic bellows contacts the screw rod can be reduced, and the situation that the middle of the telescopic bellows is worn out can be reduced.

[0011] Preferably, the middle of the connecting plate is fixedly connected with a baffle; the baffle is arranged through the connecting box; the baffle is located above the screw rod and between the screw rod and the telescopic bellows; through the above structure, the situation that the telescopic bellows contacts the screw rod can be reduced, and the situation that the middle of the telescopic bellows is worn out can be reduced.

[0012] Preferably, the middle of the connecting box is fixedly connected with a baffle; the baffle is located between the sleeve ring and the first gear; through the above structure, the situation that the soft liquid guide strips fall between the first gear and the second gear and affect the transmission can be reduced.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The electric hoist hoisting device, through the setting of the track frame, the driving trolley, the connecting disc, the connecting box, the screw rod, the screw sleeve, the first gear, the first motor, the second gear, the bearing plate, the connecting plate and the hoisting mechanism, the horizontal distance between the hoisting mechanism and the driving trolley can be adjusted, the situation that the hoisting mechanism is blocked and is difficult to accurately hoist the goods to the destination can be reduced.

[0015] 2. The electric hoist hoisting device, through the setting of the second motor, the third gear and the fourth gear, the position adjustment flexibility of the hoisting mechanism can be improved, and the hoisting mechanism can more conveniently hoist the object to the specified position. DRAWINGS

[0016] The utility model will be further described below in combination with the drawings.

[0017] Figure 1 is a perspective view of the utility model;

[0018] Figure 2 is a structural schematic view of the connecting plate in the utility model;

[0019] Figure 3 is a structural schematic view of the connecting box in the utility model;

[0020] Figure 4 is a structural schematic view of the telescopic bellows in the utility model;

[0021] Figure 5 is a structural schematic view of the liquid guide strip in the utility model;

[0022] Figure 6 is an angle conversion schematic view of the utility model.

[0023] In the figure: 1, track frame; 12, drive trolley; 13, connecting disc; 14, connecting box; 15, screw rod; 16, screw sleeve; 17, first gear; 18, first motor; 19, second gear; 110, bearing plate; 111, connecting plate; 112, hoisting mechanism; 113, needle roller bearing; 2, second motor; 21, third gear; 22, fourth gear; 3, liquid injection port; 31, collar; 32, liquid guide strip; 4, telescopic bellows; 5, baffle; 6, roller; 7, partition. DETAILED DESCRIPTION

[0024] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0025] For example, Figures 1 to 5As shown, the utility model discloses a kind of electric hoist hoisting devices, including track frame 1;The middle part of track frame 1 is equipped with drive trolley 12;The bottom of drive trolley 12 is equipped with connecting disc 13;The bottom of connecting disc 13 is fixedly connected with connecting box 14;Connecting box 14 is slidably connected with screw rod 15 in the middle part;Screw rod 15 is threadedly connected with screw sleeve 16 in the middle part;Screw sleeve 16 is located inside connecting box 14;The middle part of screw sleeve 16 is fixedly connected with first gear 17;The inner side wall of connecting box 14 is fixedly connected with first motor 18;The output of first motor 18 is fixedly connected with second gear 19;Second gear 19 is meshed with first gear 17;The bottom of connecting box 14 is fixedly connected with a pair of bearing plate 110;The both ends of screw rod 15 are fixedly connected with connecting plate 111;The bottom of one end of connecting plate 111 is equipped with hoisting mechanism 112;The top of one end of connecting plate 111 is rotatably connected with needle roller bearing 113, away from hoisting mechanism 112;When working, hoisting mechanism 112 is moved along track frame 1 by the operation of drive trolley 12 to move and hoist object, when the moving path of hoisting mechanism 112 is hindered by other objects, first motor 18 can be started to drive second gear 19 to rotate, hoisting mechanism 112 is extended for a distance by the transmission between second gear 19 and first gear 17, so that connecting plate 111 is slid in the middle part of bearing plate 110, so that hoisting mechanism 112 can extend a distance, hoisting mechanism 112 is away from drive trolley 12, and simultaneously, because the bottom of hoisting mechanism 112 is away from drive trolley 12, the end of connecting plate 111 provided with needle roller bearing 113 is slightly lifted under force, so that needle roller bearing 113 is in contact with the bottom of track frame 1 and rolls, to prevent connecting plate 111 from tilting, by the above structure, the horizontal distance between hoisting mechanism 112 and drive trolley 12 can be adjusted, to reduce the situation that hoisting mechanism 112 is blocked and difficult to accurately hoist object to destination.

[0026] As Figures 1 to 6 Shown, connecting disc 13 is rotatably connected to the bottom of drive trolley 12;The bottom of drive trolley 12 is fixedly connected with second motor 2;The output of second motor 2 is fixedly connected with third gear 21;The middle part of connecting disc 13 is fixedly connected with fourth gear 22;Fourth gear 22 is meshed with third gear 21;When working, third gear 21 is rotated by starting second motor 2, fourth gear 22 can be rotated by the cooperation between third gear 21 and fourth gear 22, so that connecting plate 111 can be rotated to other angles, by the above structure, the position adjustment flexibility of hoisting mechanism 112 can be improved, so that hoisting mechanism 112 can more conveniently hoist object to specified position.

[0027] As Figures 1 to 5As shown, the top of the connecting box 14 is provided with a liquid injection port 3; the middle of the screw sleeve 16 is fixedly connected with a sleeve ring 31; the middle of the sleeve ring 31 is fixedly connected with a plurality of liquid guide strips 32; the ends of the plurality of liquid guide strips 32 are inserted into the inside of the screw sleeve 16; the liquid guide strip 32 is a flexible liquid absorbing material; in operation, the connecting box 14 is injected with lubricating liquid through the liquid injection port 3, and then the liquid guide strip 32 absorbs the lubricating liquid, when the other end of the liquid guide strip 32 is also wetted by the lubricating liquid, the lubricating liquid is applied to the surface of the screw rod 15 when the screw sleeve 16 rotates, and the lubricating liquid lubricates the connection between the screw rod 15 and the screw sleeve 16 as the screw rod 15 moves, through the above structure, the connection between the screw rod 15 and the screw sleeve 16 can be automatically lubricated when the hoisting mechanism 112 is adjusted in position, reducing the running resistance of the device and prolonging the service life of the device.

[0028] As shown in Figures 1 to 4 , the side wall of the connecting box 14 is fixedly connected with a telescopic bellows 4; the other end of the telescopic bellows 4 is fixedly connected to the side wall of the connecting plate 111; the screw rod 15 is located inside the telescopic bellows 4; in operation, when the screw rod 15 moves, a pair of telescopic bellows 4 will contract and expand respectively, and continuously block external impurities, through the above structure, it can reduce the situation that external impurities fall on the surface of the screw rod 15 and cause the components to cooperate with difficulty, and reduce the influence on the service life of the components.

[0029] As shown in Figures 1 to 4 , the middle of the connecting plate 111 is fixedly connected with a baffle 5; the baffle 5 penetrates the connecting box 14; the baffle 5 is located above the screw rod 15 and between the screw rod 15 and the telescopic bellows 4; in operation, the middle of the telescopic bellows 4 may contact the middle of the screw rod 15 due to relaxation, and the wrinkles inside the telescopic bellows 4 may be worn and broken due to the influence of the threads of the screw rod 15, affecting the sealing effect of the telescopic bellows 4, through the setting of the baffle 5, it can reduce the situation that the telescopic bellows 4 contacts the screw rod 15, and further reduce the situation that the middle of the telescopic bellows 4 is worn.

[0030] As shown in Figure 3 , the middle of the bearing plate 110 is rotatably connected with two groups of rollers 6; the two groups of rollers 6 are located above and below the connecting plate 111 respectively; through the above structure, the sliding friction between the connecting plate 111 and the bearing plate 110 can be changed into rolling friction, reducing the wear of the components and the resistance of the connecting plate 111 moving, and prolonging the service life of the components.

[0031] As shown in Figure 4 , the middle of the connecting box 14 is fixedly connected with a partition plate 7; the partition plate 7 is located between the sleeve ring 31 and the first gear 17; through the above structure, it can reduce the situation that the soft liquid guide strip 32 falls between the first gear 17 and the second gear 19 and affects the transmission.

[0032] When working, the lifting mechanism 112 is driven to move along the track frame 1 to lift and move the object by driving the trolley 12, when the moving path of the lifting mechanism 112 is blocked by other objects, the first motor 18 can be started to drive the second gear 19 to rotate, the screw sleeve 16 is driven to rotate through the transmission between the second gear 19 and the first gear 17, and then the screw rod 15 is axially moved, so that the connecting plate 111 slides in the middle of the bearing plate 110, so that the lifting mechanism 112 can extend a distance, and the lifting mechanism 112 is away from the driving trolley 12, the second motor 2 is started to drive the third gear 21 to rotate, the fourth gear 22 can be driven to rotate through the cooperation between the third gear 21 and the fourth gear 22, so that the connecting plate 111 can be rotated to other angles, the lubricating liquid is injected into the connecting box 14 through the liquid injection port 3, then the liquid guide strip 32 absorbs the lubricating liquid, when the other end of the liquid guide strip 32 is also wetted by the lubricating liquid, the lubricating liquid is applied to the surface of the screw rod 15 when the screw sleeve 16 rotates, and the lubricating liquid lubricates the connection between the screw rod 15 and the screw sleeve 16 with the movement of the screw rod 15, when the screw rod 15 moves, a pair of telescopic bellows 4 will be contracted and stretched respectively, and continuously block external impurities, the middle part of the telescopic bellows 4 may be in contact with the middle part of the screw rod 15 due to relaxation, and the inside of the telescopic bellows 4 may be worn and broken due to the influence of the screw thread of the screw rod 15, which affects the sealing effect of the telescopic bellows 4, through the setting of the baffle 5, the contact between the telescopic bellows 4 and the screw rod 15 can be reduced.

[0033] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An electric hoist lifting device comprising a track frame (1); characterized in that: The middle part of the track frame (1) is provided with a driving trolley (12); the bottom of the driving trolley (12) is provided with a connecting disc (13); the bottom of the connecting disc (13) is fixedly connected with a connecting box (14); the middle part of the connecting box (14) is slidably connected with a lead screw (15); the middle part of the lead screw (15) is threadedly connected with a sleeve (16); the sleeve (16) is located in the connecting box (14); the middle part of the sleeve (16) is fixedly connected with a first gear (17); the inner side wall of the connecting box (14) is fixedly connected with a first motor (18); the output end of the first motor (18) is fixedly connected with a second gear (19); the second gear (19) is meshedly arranged with the first gear (17); the bottom of the connecting box (14) is fixedly connected with a pair of bearing plates (110); the two ends of the lead screw (15) are fixedly connected with connecting plates (111); the bottom of one end of the connecting plate (111) is provided with a hoisting mechanism (112); the end, away from the hoisting mechanism (112), of the connecting plate (111) is rotatably connected with a needle roller bearing (113) at the top.

2. An electric hoist lifting device according to claim 1, characterized in that: The connecting disc (13) is rotatably connected to the bottom of the driving trolley (12); the bottom of the driving trolley (12) is fixedly connected with a second motor (2); the output end of the second motor (2) is fixedly connected with a third gear (21); the middle part of the connecting disc (13) is fixedly connected with a fourth gear (22); the fourth gear (22) is meshedly arranged with the third gear (21).

3. An electric hoist lifting device according to claim 1, characterized in that: The top of the connecting box (14) is provided with a liquid injection port (3); the middle part of the sleeve (16) is fixedly connected with a sleeve ring (31); the middle part of the sleeve ring (31) is fixedly connected with a plurality of liquid guide strips (32); the ends of the plurality of liquid guide strips (32) are inserted into the sleeve (16); the liquid guide strips (32) are made of flexible liquid absorbing material.

4. An electric hoist lifting device according to claim 1, characterized in that: The side wall of the connecting box (14) is fixedly connected with a telescopic bellows (4); the other end of the telescopic bellows (4) is fixedly connected to the side wall of the connecting plate (111); the lead screw (15) is located in the telescopic bellows (4).

5. An electric hoist lifting device according to claim 4, characterised in that: The middle part of the connecting plate (111) is fixedly connected with a baffle (5); the baffle (5) penetrates through the connecting box (14); the baffle (5) is located above the lead screw (15) and between the lead screw (15) and the telescopic bellows (4).

6. An electric hoist lifting device according to claim 1, characterized in that: The middle part of the bearing plate (110) is rotatably connected with two groups of rollers (6); the two groups of rollers (6) are located above and below the connecting plate (111) respectively.

7. An electric hoist lifting device according to claim 3, characterized in that: The middle part of the connecting box (14) is fixedly connected with a partition plate (7); the partition plate (7) is located between the sleeve ring (31) and the first gear (17). The middle part of the connecting box (14) is fixedly connected with a partition plate (7); the partition plate (7) is located between the sleeve ring (31) and the first gear (17).

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