Electric hoist mounting structure of electric hoist bridge crane

Abstract

The utility model relates to the technical field of electric hoist bridge cranes, in particular to an electric hoist mounting structure of an electric hoist bridge crane, which comprises a movable mounting plate arranged on a cross beam, two-way screws are symmetrically arranged at the top of the mounting plate, movable blocks are symmetrically arranged on the two-way screws, and the movable blocks are arranged on the two-way screws. A clamping cover is arranged above the moving block, and an electric hoist is arranged on the mounting plate. When the electric hoist clamping device is used, the servo motor controls the two moving blocks to get close to each other or get away from each other through the two bidirectional screws, the two belt wheels and the belt, the positions of the clamping covers can be adjusted, the electric hoists with different lengths can be conveniently matched, then the four electric push rods control the four clamping covers to be attached to the electric hoists, and the electric hoists can be conveniently clamped. And through the four clamping covers, the electric hoist can be effectively fastened in the front, back, left and right directions, and the fastening effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of electric hoist bridge cranes, in particular to an electric hoist installation structure of an electric hoist bridge crane. Background Art

[0002] Electric hoist is a special lifting equipment installed on overhead cranes and gantry cranes. It has the characteristics of small size, light weight, simple operation and easy use. The electric hoist has a compact structure, and the electric hoist with the motor axis perpendicular to the drum axis adopts a worm gear transmission device. The hydraulic system is dual-controlled, and the overflow regulating valve and magnetic contact pressure gauge can accurately control the pressure. The electrical control department adopts low-voltage control to increase the safety of the control system. The electric hoist installation structure of the electric hoist bridge crane is required during the use of the electric hoist.

[0003] After searching, the patent document with announcement number CN213085240U discloses an electric hoist installation structure of an electric hoist bridge crane, including a crossbeam, a movable block is provided at the bottom of the crossbeam, a mounting plate is fixed in the middle of the movable block, and auxiliary fastening devices are provided at the four ends of the top of the mounting plate. The auxiliary fastening device includes a shell, a connecting rod, a fastening plate, a handwheel, a locking piece, a rotating shaft, a rotating plate, a long rod and a driving mechanism.

[0004] In the above-mentioned prior art, although the electric hoist can be assisted in fastening by the auxiliary fastening device, the auxiliary fastening device can only fasten the left and right sides of the electric hoist. There is a lack of fastening measures on the front and back sides of the electric hoist, and the fastening effect is poor. Therefore, an electric hoist installation structure for an electric hoist bridge crane is now proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an electric hoist installation structure for an electric hoist bridge crane.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] An electric hoist mounting structure of an electric hoist bridge crane includes a movable mounting plate arranged on a crossbeam, a bidirectional screw symmetrically arranged on the top of the mounting plate, a moving block symmetrically arranged on the bidirectional screw, a clamping cover arranged above the moving block, and an electric hoist arranged on the mounting plate.

[0008] Preferably, the mounting plate is fixedly connected to a uniformly distributed fixing plate, the bidirectional screws are rotatably connected to the fixing plate, a servo motor is fixedly connected to one of the fixing plates, the output end of the servo motor is connected to one of the bidirectional screws, and the two bidirectional screws are connected via a belt and two pulleys.

[0009] Preferably, the surface of the mounting plate is symmetrically provided with moving grooves, the bottom of the moving block is fixedly connected to a limiting plate, the limiting plate is slidably connected to the inner wall of the moving groove, and the bottom of the moving block is slidably connected to the surface of the mounting plate.

[0010] Preferably, an electric push rod is fixedly connected to the top of the moving block, a telescopic end of the electric push rod is fixedly connected to a clamping cover, and a cross-section of the clamping cover is semicircular.

[0011] Preferably, a mounting opening for mounting an electric hoist is provided on the top of the mounting plate.

[0012] Preferably, the bidirectional screw is threadedly connected to the moving block.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] When this equipment is in use, the servo motor will control the two moving blocks to move closer to or away from each other through two bidirectional screws, two pulleys and a belt. The position of the clamping cover can be adjusted to facilitate adaptation to electric hoists of different lengths. Then the four electric push rods will respectively control the four clamping covers to stick to the electric hoist. Through the four clamping covers, the front, back, left and right directions of the electric hoist can be effectively tightened, and the tightening effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of an electric hoist in an electric hoist installation structure of an electric hoist bridge crane proposed in the utility model;

[0016] Figure 2 This is a three-dimensional structural diagram of an installation opening in an electric hoist installation structure of an electric hoist bridge crane proposed in the utility model;

[0017] Figure 3 The utility model provides a schematic diagram of the three-dimensional structure of the connection between the electric push rod and the clamping cover in the electric hoist installation structure of the electric hoist bridge crane.

[0018] In the figure: 1 mounting plate, 2 bidirectional screw, 3 moving block, 4 clamping cover, 5 electric hoist, 6 fixing plate, 7 servo motor, 8 belt, 9 moving groove, 10 limit plate, 11 electric push rod, 12 mounting port. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] Reference Figure 1-Figure 3 An electric hoist mounting structure of an electric hoist bridge crane includes a movable mounting plate 1 arranged on a crossbeam, a bidirectional screw 2 symmetrically arranged on the top of the mounting plate 1, a moving block 3 symmetrically arranged on the bidirectional screw 2, a clamping cover 4 arranged above the moving block 3, and an electric hoist 5 arranged on the mounting plate 1.

[0021] It should be noted that the mounting plate 1 is a prior art, which is arranged on the crossbeam and can be moved. The specific structure and principle are described in detail in the patent document proposed in the background technology: An electric hoist mounting structure for an electric hoist bridge crane (Publication No.: CN213085240U), and will not be described again.

[0022] It should be noted that the specific model specifications of the servo motor 7 and the electric push rod 11 need to be selected according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it is not described here. Both can be powered by external devices and controlled to be turned on and off;

[0023] Furthermore, the mounting plate 1 is fixedly connected to evenly distributed fixing plates 6, and the bidirectional screws 2 are rotatably connected to the fixing plates 6. A servo motor 7 is fixedly connected to one of the fixing plates 6, and the output end of the servo motor 7 is connected to one of the bidirectional screws 2. The two bidirectional screws 2 are connected via a belt 8 and two pulleys.

[0024] It should be noted that, through the belt 8 and the two pulleys, the servo motor 7 can control the two bidirectional screws 2 to rotate simultaneously.

[0025] Furthermore, a moving groove 9 is symmetrically opened on the surface of the mounting plate 1, the bottom of the moving block 3 is fixedly connected to the limit plate 10, the limit plate 10 is slidably connected to the inner wall of the moving groove 9, and the bottom of the moving block 3 is slidably connected to the surface of the mounting plate 1;

[0026] It should be noted that, through the limiting sliding of the limiting plate 10 and the moving groove 9 , the two moving blocks 3 can be allowed to move stably in a horizontal straight line.

[0027] Furthermore, the top of the moving block 3 is fixedly connected to an electric push rod 11, and the telescopic end of the electric push rod 11 is fixedly connected to the clamping cover 4, and the cross section of the clamping cover 4 is semicircular;

[0028] It should be noted that the electric push rod 11 can control the movement of the clamping cover 4, making it convenient to control the clamping cover 4 to clamp and fix the electric hoist 5;

[0029] It should be noted that the cross-section of the clamping cover 4 is semicircular in shape, which can be adapted to the outer wall of the electric hoist 5, and the four clamping covers 4 can clamp and limit the four corners of the electric hoist 5, and can clamp and limit the front, back, left and right directions of the electric hoist 5, so that the electric hoist 5 can be effectively clamped and fixed.

[0030] Furthermore, a mounting opening 12 for mounting the electric hoist 5 is provided on the top of the mounting plate 1 .

[0031] Furthermore, the bidirectional screw 2 is threadedly connected to the moving block 3;

[0032] It should be noted that, when the bidirectional screw 2 rotates, the two moving blocks 3 can be controlled to move closer to or farther away from each other, making it convenient to adjust the position of the clamping cover 4 according to the length of the electric hoist 5 .

[0033] Working principle of this utility model:

[0034] The servo motor 7 will control the two moving blocks 3 to move closer to or away from each other through two bidirectional screws 2, two pulleys and a belt 8. The position of the clamping cover 4 can be adjusted to facilitate adaptation to electric hoists 5 of different lengths. Then the four electric push rods 11 will respectively control the four clamping covers 4 to stick to the electric hoist 5. Through the four clamping covers 4, the front, back, left and right directions of the electric hoist 5 can be effectively tightened, and the tightening effect is better.

[0035] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. An electric hoist mounting structure of an electric hoist bridge crane, comprising a movable mounting plate (1) arranged on a crossbeam, characterized in that: A bidirectional screw (2) is symmetrically arranged on the top of the mounting plate (1), a moving block (3) is symmetrically arranged on the bidirectional screw (2), a clamping cover (4) is arranged above the moving block (3), and an electric hoist (5) is arranged on the mounting plate (1).

2. The electric hoist installation structure of an electric hoist bridge crane according to claim 1, characterized in that: The mounting plate (1) is fixedly connected to fixed plates (6) that are evenly distributed, and the bidirectional screws (2) are rotatably connected to the fixed plates (6). A servo motor (7) is fixedly connected to one of the fixed plates (6), and the output end of the servo motor (7) is connected to one of the bidirectional screws (2). The two bidirectional screws (2) are connected via a belt (8) and two pulleys.

3. The electric hoist installation structure of an electric hoist bridge crane according to claim 1, characterized in that: The surface of the mounting plate (1) is symmetrically provided with moving grooves (9); the bottom of the moving block (3) is fixedly connected to a limiting plate (10); the limiting plate (10) is slidably connected to the inner wall of the moving groove (9); and the bottom of the moving block (3) is slidably connected to the surface of the mounting plate (1).

4. The electric hoist installation structure of an electric hoist bridge crane according to claim 1, characterized in that: The top of the moving block (3) is fixedly connected to an electric push rod (11), the telescopic end of the electric push rod (11) is fixedly connected to a clamping cover (4), and the cross section of the clamping cover (4) is semicircular.

5. The electric hoist installation structure of an electric hoist bridge crane according to claim 1, characterized in that: The top of the mounting plate (1) is provided with a mounting opening (12) for mounting the electric hoist (5).

6. The electric hoist installation structure of an electric hoist bridge crane according to claim 1, characterized in that: The bidirectional screw (2) is threadedly connected to the moving block (3).

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