A quick double hook releasing device

Abstract

The utility model relates to a lifting appliance technical field, and disclose a kind of quick double-hook device, comprising: double-hook lifting hook and safety pin movably arranged on double-hook lifting hook, the side surface of double-hook lifting hook is fixedly installed with connecting seat, arc guide rail is fixedly installed on the connecting seat, the side surface of double-hook lifting hook is also slidably connected with center rack, the top surface of double-hook lifting hook is provided with electric bolt, and the output end of electric bolt is connected with center rack.The quick double-hook device, by setting up center rack, setting up arc-shaped push rod with the meshing tooth of center rack meshing, U-shaped connecting rod, push block and the disengaging structure of the elastic pull rope with certain elasticity are formed, to simplify the operation steps of sling from double-hook lifting hook removal, improve the use efficiency of overall device, it can also be applied to the separation work of double-hook lifting hook hanging to abnormal rope body, expand the application scenario of overall structure, improve overall practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hoist technical field, concretely is a kind of quick double-hook device. BACKGROUND

[0002] When hoisting operation, for the slender, large-span and other not easy artificial unhooking hoist, often take binding safety pin during operation, make it lose operation, to carry out operation, this method does not comply with relevant specification requirement, and dangerous coefficient is big, there is extremely instability, and hoisting operation, due to operation error, when hook is hung to electric wire, optical cable line etc., unhooking is difficult, and dangerous coefficient is high, unhooking cost is big, to solve the above problems, we propose a kind of quick double-hook device. UTILITY MODEL CONTENTS

[0003] In view of the deficiencies of the prior art, the utility model provides a kind of quick double-hook device, solve the problem mentioned in the above background.

[0004] The utility model provides following technical scheme: a kind of quick double-hook device, comprising: double-hook hook and the safety pin of movable setting on double-hook hook, the side surface of the double-hook hook is fixedly installed with connecting seat, the connecting seat is fixedly installed with arc guide rail, the side surface of the double-hook hook is also slidably connected with center rack, the top surface of the double-hook hook is provided with electric bolt, the output end of the electric bolt is inserted with center rack;Between the arc guide rail and double-hook hook, there is also set arc push rod, the limit shaft is fixedly installed on the arc push rod, the arc push rod is movably connected with arc guide rail by limit shaft, the surface of the arc push rod close to center rack is provided with meshing tooth that can be meshed with center rack;The end of the arc push rod is provided with self-locking hinge, and the arc push rod is connected with U-shaped connecting rod by self-locking hinge, the push block is fixedly installed on the U-shaped connecting rod;The side surface of the safety pin is fixedly installed with connecting plate, the side surface of the connecting plate is fixedly installed with pull rope, the end of the pull rope away from the connecting plate is fixedly connected with center rack.

[0005] Preferably, the double-hook hook is also hung with sling, and the double-hook hook is hung with hoist by sling.

[0006] Preferably, the push block is provided with clamping groove for clamping sling, and the side surface of the push block is also fixedly installed with baffle for limiting the position of sling.

[0007] Preferably, the arc push rod is provided with two, the number of arc guide rail is consistent with the number of arc push rod.

[0008] Preferably, the center rack is located between two arc guide rails, and the center rack is slidably connected with arc guide rail.

[0009] Preferably, the pull rope is located between the arc-shaped push rod and the double-hook lifting hook, and the pull rope is made of low-elastic force rope.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1、The quick double-hook removing device is composed of the hook removing structure formed by the set center rack, the arc-shaped push rod provided with the meshing teeth meshing with the center rack, the U-shaped connecting rod, the push block and the elastic pull rope, so that the operation steps of removing the sling from the double-hook lifting hook are simplified, the use efficiency of the whole device is improved, the whole device can also be applied to the disengagement of the double-hook lifting hook from the abnormal rope body, the application scene of the whole structure is expanded, and the overall practicability is improved.

[0012] 2、The quick double-hook removing device is connected by the self-locking hinge with the self-locking function, so that when the whole device is in different working states, the flexibility provided by the self-locking hinge can be used to fold the U-shaped connecting rod and the push block, so that when the double-hook lifting hook is placed on the ground, the phenomenon of the U-shaped connecting rod and the push block being crushed is avoided, and the performance of the whole structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a center rack structure schematic view of the utility model;

[0015] Figure 3 It is Figure 1 It is a structure enlarged schematic view of the center A.

[0016] In the drawing: 1, double-hook lifting hook; 2, safety pin; 3, sling; 4, hoisted object; 5, push block; 6, U-shaped connecting rod; 7, arc-shaped push rod; 8, limiting shaft; 9, arc-shaped guide rail; 10, connecting seat; 11, center rack; 12, electric bolt; 13, pull rope; 14, connecting plate; 15, self-locking hinge. DETAILED DESCRIPTION

[0017] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] Please refer to Figures 1-3The utility model provides a kind of quick double-hooking device, comprising: double-hooking hook 1 and safety pin 2 movably arranged on double-hooking hook 1, connecting seat 10 is fixedly installed on the side of double-hooking hook 1, arc-shaped guide rail 9 is fixedly installed on connecting seat 10, center rack 11 is also slidably connected on the side of double-hooking hook 1, electric bolt 12 is arranged on the top surface of double-hooking hook 1, and the output end of electric bolt 12 is inserted with center rack 11;Double-hooking hook 1 is also hung with sling 3, and double-hooking hook 1 is hung with hanging object 4 through sling 3.

[0019] Arc-shaped push rod 7 is also arranged between arc-shaped guide rail 9 and double-hooking hook 1, limit shaft 8 is fixedly installed on arc-shaped push rod 7, arc-shaped push rod 7 is movably connected with arc-shaped guide rail 9 through limit shaft 8, and meshing teeth are arranged on the surface of arc-shaped push rod 7 close to center rack 11, which can be meshed with center rack 11;Arc-shaped push rod 7 is provided with two, the number of arc-shaped guide rail 9 is consistent with the number of arc-shaped push rod 7, center rack 11 is located between two arc-shaped guide rails 9, and center rack 11 can be slidably connected with arc-shaped guide rail 9, so that sling 3 on the double-hook body of double-hooking hook 1 falls off from double-hooking hook 1 at the same time, to simplify the operation steps of the whole device and improve the actual use efficiency.

[0020] Self-locking hinge 15 is arranged at the end of arc-shaped push rod 7, U-shaped connecting rod 6 is connected with arc-shaped push rod 7 through self-locking hinge 15, and push block 5 is fixedly installed on U-shaped connecting rod 6;Push block 5 is provided with clamping groove for clamping sling 3, and the side of push block 5 is also fixedly provided with baffle for limiting the position of sling 3, so that the over-deformation of sling 3 in slack state can be avoided, so as to ensure that push block 5 can always contact with sling 3.

[0021] Connecting plate 14 is fixedly installed on the side of safety pin 2, pull rope 13 is fixedly installed on the side of connecting plate 14, the end of pull rope 13 away from connecting plate 14 is fixedly connected with center rack 11, pull rope 13 is located between arc-shaped push rod 7 and double-hooking hook 1, and pull rope 13 is made of low-elastic force rope, so that pull rope 13 has certain deformation capacity, to ensure that center rack 11 has movement stroke, and to ensure that push block 5 can push sling 3 out of double-hooking hook 1.

[0022] The working principle is that the crane is prepared for operation, starts hoisting operation, the center rack 11 is inserted with the output end of the electric plug-in 12 on the double-hook lifting hook 1, the meshing teeth on the arc-shaped push rod 7 in the starting state are arranged to mesh with the center rack 11, one end of the pull rope 13 is connected with the center rack 11, the other end of the pull rope 13 is connected with the connecting plate 14 fixed on the safety pin 2, the double-hook lifting hook 1 is hung with the hoisted object 4 through the sling 3, hoisting is carried out, the hoisted object 4 is placed at the designated position, after being stable, the electric plug-in 12 is controlled, so that the output shaft of the electric plug-in 12 is separated from the center rack 11, the center rack 11 falls downwards, drives the arc-shaped push rod 7 to rotate on the arc-shaped guide rail 9, pulls the pull rope 13, and opens the safety pin 2. During the rotating process of the arc-shaped push rod 7, the U-shaped connecting rod 6 connected with the arc-shaped push rod 7 through the self-locking hinge 15 and the push block 5 fixed on the U-shaped connecting rod 6 can push the end of the sling 3 hung with the double-hook lifting hook 1, so that the end of the sling 3 is separated from the double-hook lifting hook 1, then the rope is collected, the sling 3 can be hoisted, and then the sling 3 is returned to the hoisted object next to be hoisted, and the next operation is carried out.

[0023] 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 the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A quick unhooking device of double hooks, characterized in that, Include: Double hook hook (1) and safety pin (2) movably arranged on double hook hook (1), the side of the double hook hook (1) is fixedly installed with connecting seat (10), the connecting seat (10) is fixedly installed with arc guide rail (9), the side of the double hook hook (1) is also slidably connected with center rack (11), the top surface of the double hook hook (1) is provided with electric bolt (12), and the output end of the electric bolt (12) is inserted with the center rack (11); The arc-shaped push rod (7) is also arranged between the arc-shaped guide rail (9) and the double hook hook (1), the arc-shaped push rod (7) is fixedly installed with a limiting shaft (8), the arc-shaped push rod (7) is movably connected with the arc-shaped guide rail (9) through the limiting shaft (8), the surface of the arc-shaped push rod (7) close to the center rack (11) is provided with meshing teeth which can be meshed with the center rack (11); The end of the arc-shaped push rod (7) is provided with a self-locking hinge (15), and the arc-shaped push rod (7) is connected with a U-shaped connecting rod (6) through the self-locking hinge (15), the U-shaped connecting rod (6) is fixedly installed with a push block (5); The side of the safety pin (2) is fixedly installed with a connecting plate (14), the side of the connecting plate (14) is fixedly installed with a pull rope (13), and the end of the pull rope (13) away from the connecting plate (14) is fixedly connected with the center rack (11).

2. A quick unhooking device according to claim 1, characterized in that The double hook hook (1) is also hung with a sling (3), and the double hook hook (1) is hung with a hanging object (4) through the sling (3).

3. A quick unhooking device according to claim 2, characterized in that The push block (5) is provided with a clamping groove for clamping the sling (3), and the side of the push block (5) is also fixedly installed with a baffle for limiting the position of the sling (3).

4. A quick unhooking device according to claim 1, characterized in that The arc-shaped push rod (7) is provided with two, the number of arc-shaped guide rails (9) is consistent with the number of arc-shaped push rods (7).

5. A quick unhooking device according to claim 4, characterized in that The center rack (11) is located between the two arc-shaped guide rails (9), and the center rack (11) is slidably connected with the arc-shaped guide rail (9).

6. A quick unhooking device according to claim 1, characterized in that The pull rope (13) is located between the arc-shaped push rod (7) and the double hook hook (1), and the pull rope (13) is made of low elastic force rope.

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