Electric hoist and anti-unhooking lifting device

Abstract

The utility model belongs to the technical field of lifting devices, and particularly relates to an electric hoist and an anti-unhooking lifting device.The electric hoist comprises an electric hoist body, a dustproof net is in contact with the outer edge face of the electric hoist body, a sliding block is slidably connected into the dustproof net, one end of the sliding block is fixedly connected with a sliding rod, and the other end of the sliding rod is fixedly connected with a lifting hook. A limiting ring is fixedly connected into the dustproof net, a first spring is arranged in the dustproof net, and a clamping block is fixedly connected to the end, close to the electric hoist body, of the sliding block. According to the electric hoist, the sliding block, the clamping block, the first spring and other components are arranged, the sliding block can be moved to drive the clamping block to slide in the clamping groove in the electric hoist body, the clamping block is not connected with the electric hoist body in a clamped mode any more, limiting of the dustproof net can be relieved, the dustproof net can be detached, and the problem that in daily maintenance of the electric hoist, the dustproof net cannot be detached easily is solved. And a dustproof net for dust prevention is inconvenient to disassemble during cleaning.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting device technical field, concretely is a kind of electric hoist and prevent unhooking hoisting device. BACKGROUND

[0002] Electric hoist is a part of hoisting equipment driven by motor. Electric hoist can be used for lifting and carrying heavy objects in industry, construction and other fields. The patent application publication number CN105016233A discloses an electric hoist of crane, which comprises steel plate A and steel plate B, the front and rear ends of steel plate A and steel plate B are provided with connecting shafts, the right upper end of steel plate A is provided with driving wheel group A, the right upper end of steel plate A is provided with driven wheel group A, the left upper end of steel plate A is provided with speed reducer A, the left end of speed reducer A is provided with running motor A, a plurality of hydraulic push rods are arranged in front and back on the left side of steel plate A, a slide is arranged at the position of steel plate A below the hydraulic push rods, a counterweight is arranged at the other end of the hydraulic push rods, a control box is arranged on the left side of the counterweight, the left upper end of steel plate B is provided with driven wheel group B, the left upper end of steel plate B is provided with driving wheel group B, a conical motor is arranged on the right side of steel plate B, a winding drum is arranged at the rear end of the conical motor, a steel wire rope is wound around the winding drum, a brake is arranged at the rear end of the winding drum, a speed reducer B is arranged on the right upper end of steel plate B, a running motor B is arranged at the right end of speed reducer B, and the electric hoist has the advantages of light weight, high lifting height, strong carrying capacity and smooth operation.

[0003] However, in the daily maintenance of electric hoist, the dustproof net used for dust prevention is not convenient to disassemble when cleaning, and the hoisting hook on the electric hoist and the anti-unhooking hoisting device does not have a limiting mechanism, which has the risk of unhooking during use. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of electric hoist and prevent unhooking hoisting device, solve the problem that in the daily maintenance of electric hoist, the dustproof net used for dust prevention is not convenient to disassemble when cleaning, and the hoisting hook on the electric hoist and the anti-unhooking hoisting device does not have a limiting mechanism, which has the risk of unhooking during use.

[0005] To achieve the above object, the utility model provides the following technical scheme: an electric hoist, including electric hoist main body, the outer side surface of the electric hoist main body is contacted with dustproof net, the inside of the dustproof net is slidably connected with sliding block, one end of the sliding block is fixedly connected with slide rod, the inside of the dustproof net is fixedly connected with limit ring, the inside of the dustproof net is provided with first spring, the end close to electric hoist main body of the sliding block is fixedly connected with clamping block, the electric hoist main body is provided with clamping groove, the other end of the sliding block is fixedly connected with push block, and the push block is in contact with dustproof net.

[0006] Preferably, the inside of the limiting ring is slidably connected with a sliding rod, and the inside of the dust screen is slidably connected with a sliding rod.

[0007] Preferably, one end of the first spring is in contact with the sliding rod, and the other end of the first spring is in contact with the dust screen.

[0008] Preferably, the clamping block is in contact with the dust screen, and the clamping block is slidably connected with the clamping groove.

[0009] Preferably, the clamping block is in contact with the dust screen, and the clamping block is slidably connected with the clamping groove.

[0010] Preferably, one end of the second spring is in contact with the lifting hook, and the other end of the second spring is in contact with the limiting block.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a sliding block, a clamping block, a first spring and other components are arranged, the sliding block is moved to make the sliding block drive the clamping block to slide in the clamping groove on the electric hoist body, the clamping block is no longer clamped with the electric hoist body, the limiting of the dust screen is released, the dust screen can be disassembled, and the problem that the dust screen is inconvenient to disassemble when cleaning during the daily maintenance of the electric hoist is solved.

[0013] 2、The utility model discloses a baffle, a second spring and other components are arranged, the second spring drives the baffle to limit the notch of the lifting hook, the phenomenon that the lifting hook is unhooked when using is avoided, the problem that the lifting hook on the electric hoist and the anti-unhooking hoisting device does not have a limiting mechanism and is dangerous when using is solved. DRAWINGS

[0014] Figure 1 It is the overall structure perspective drawing of the utility model;

[0015] Figure 2 It is the side view of the utility model Figure 1 .

[0016] Figure 3 The utility model discloses Figure 1 Partial structure plan view of the utility model discloses

[0017] Figure 4 The utility model discloses Figure 2 Partial structure enlarged view of the utility model discloses

[0018] Figure 5 The utility model discloses Figure 3 A part structure enlarged view in the utility model discloses

[0019] Figure 6 The utility model discloses Figure 4 B part structure enlarged view in the utility model discloses

[0020] In the drawing: 1, hoist seat, 2, electric hoist main body, 3, dust screen, 31, sliding block, 32, slide rod, 33, limit ring, 34, first spring, 35, clamping block, 36, clamping groove, 37, push block, 4, hoisting hook, 5, baffle, 51, limit block, 52, limit rod, 53, second spring, 54, elastic sheet, 55, triangular block, 56, triangular groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0022] Embodiment 1

[0023] Please refer to Figures 1-6 An electric hoist, including electric hoist main body 2, the outer side surface of electric hoist main body 2 contacts dust screen 3, the inside of dust screen 3 is slidably connected with sliding block 31, one end of sliding block 31 is fixedly connected with slide rod 32, the inside of dust screen 3 is fixedly connected with limit ring 33.

[0024] Please refer to Figures 2-6 The inside of limit ring 33 is slidably connected with slide rod 32, the inside of dust screen 3 is slidably connected with slide rod 32, through the design of slide rod 32, can drive sliding block 31 to move, the inside of dust screen 3 is provided with first spring 34, one end of first spring 34 contacts slide rod 32, the other end of first spring 34 contacts dust screen 3, through the design of first spring 34, can drive clamping block 35 and electric hoist main body 2 to be clamped.

[0025] Please refer to Figures 2-6, the sliding block 31 is fixedly connected with a clamping block 35 close to one end of the electric hoist body 2, the electric hoist body 2 is provided with a clamping groove 36, the clamping block 35 contacts with the dustproof net 3, the clamping block 35 is slidably connected with the clamping groove 36, through the design of the clamping block 35, the dustproof net 3 can be limited, the other end of the sliding block 31 is fixedly connected with a push block 37, the push block 37 contacts with the dustproof net 3.

[0026] The specific implementation process of the embodiment is as follows: in use, by moving the two push blocks 37 to the direction of approaching each other, the push block 37 drives the sliding block 31 to move, the sliding block 31 drives the sliding rod 32 to slide in the limiting ring 33, the sliding rod 32 extrudes the first spring 34, and the sliding block 31 drives the clamping block 35 to slide in the clamping groove 36 on the electric hoist body 2, so that the clamping block 35 is no longer clamped with the electric hoist body 2, the limiting of the dustproof net 3 is released, and the dustproof net 3 can be disassembled and cleaned.

[0027] Embodiment 2:

[0028] Please refer to Figures 1-6 A kind of anti-unhooking hoisting device, including electric hoist, further including hoisting seat 1, hoisting seat 1 and the steel wire rope of electric hoist body 2 are provided with hoisting hook 4, hoisting hook 4 contacts with baffle 5, one end of baffle 5 is fixedly connected with limiting block 51, the inside of hoisting hook 4 is fixedly connected with limiting rod 52.

[0029] Please refer to Figures 2-6 Limiting rod 52 and limiting block 51 are slidably connected, the outside of limiting rod 52 is provided with second spring 53, one end of second spring 53 contacts with hoisting hook 4, the other end of second spring 53 contacts with limiting block 51, through the design of second spring 53, hoisting hook 4 can be limited by baffle 5, baffle 5 is fixedly connected with spring piece 54, the surface of spring piece 54 is fixedly connected with triangular block 55, the inside of hoisting hook 4 is provided with multiple triangular grooves 56, triangular block 55 is clamped in triangular groove 56.

[0030] The specific implementation process of the embodiment is as follows: by pushing baffle 5 upwards, baffle 5 drives limiting block 51 to slide on limiting rod 52, limiting block 51 extrudes second spring 53, baffle 5 is no longer in contact with the hook tip of hoisting hook 4, so that goods can be hung on hoisting hook 4, after hanging is completed, baffle 5 is released, the elastic force of second spring 53 drives limiting block 51 to reset, limiting block 51 drives baffle 5 to move, baffle 5 is in contact with the hook tip of hoisting hook 4 again, hoisting hook 4 can be repositioned, baffle 5 moves, spring piece 54 drives triangular block 55 to move, triangular block 55 is clamped in triangular groove 56, so that baffle 5 is further limited, and the stability of baffle 5 is better.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electric hoist, comprising an electric hoist body (2), characterized in that: The outer surface of the electric hoist body (2) contacts with a dustproof net (3), the interior of the dustproof net (3) is slidably connected to a slider (31), one end of the slider (31) is fixedly connected to a slide bar (32), the interior of the dustproof net (3) is fixedly connected to a limit ring (33), a first spring (34) is provided inside the dustproof net (3), one end of the slider (31) close to the electric hoist body (2) is fixedly connected to a clamping block (35), a clamping slot (36) is provided on the electric hoist body (2), the other end of the slider (31) is fixedly connected to a push block (37), and the push block (37) contacts the dustproof net (3).

2. The electric hoist according to claim 1, characterized in that: The interior of the limiting ring (33) is slidably connected to a slide rod (32), and the interior of the dustproof net (3) is slidably connected to a slide rod (32).

3. The electric hoist according to claim 1, characterized in that: One end of the first spring (34) contacts the slide bar (32), and the other end of the first spring (34) contacts the dustproof net (3).

4. The electric hoist according to claim 1, characterized in that: The clamping block (35) contacts the dustproof net (3), and the clamping block (35) is slidably connected to the clamping slot (36).

5. An anti-unhooking lifting device, characterized in that: The electric hoist comprises an electric hoist as described in any one of claims 1 to 4, and further comprises a lifting seat (1), a lifting hook (4) is provided on the steel wire rope of the lifting seat (1) and the electric hoist body (2), a baffle (5) is in contact with the lifting hook (4), one end of the baffle (5) is fixedly connected to a limit block (51), the interior of the lifting hook (4) is fixedly connected to a limit rod (52), the limit rod (52) is slidably sleeved with the limit block (51), a second spring (53) is provided on the outside of the limit rod (52), a spring piece (54) is fixedly connected to the baffle (5), a triangular block (55) is fixedly connected to the surface of the spring piece (54), a plurality of triangular grooves (56) are provided on the inner side of the lifting hook (4), and the triangular block (55) is clamped in the triangular groove (56).

6. The anti-unhooking lifting device according to claim 5, characterized in that: One end of the second spring (53) contacts the lifting hook (4), and the other end of the second spring (53) contacts the limiting block (51).

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