Lifting lug of crane

Abstract

The utility model belongs to the technical field of lifting lugs, and particularly discloses a crane lifting lug which comprises a mounting seat, connecting sleeves and a lifting lug main body, the two connecting sleeves are symmetrically fixed below the mounting seat, a lifting frame is arranged above the mounting seat, the two ends of the lifting lug main body are inserted into the connecting sleeves, through positioning holes are formed in the connecting sleeves, and the lifting lug main body is arranged in the through positioning holes. Through connecting holes are formed in the two ends of the lifting lug body, and the positioning holes and the connecting holes are aligned and locked through bolts and nuts. A movable cylinder is arranged on the side edge of the connecting sleeve and fixed to the mounting base, a movable block and a spring are arranged in the movable cylinder, the movable block is slidably connected with the movable cylinder, a lifting rod is fixed to the movable block, the lifting rod penetrates through the movable cylinder and is connected with a supporting plate, an auxiliary plate is arranged below the lifting lug, and the two ends of the auxiliary plate are fixed to the supporting plate. When the lifting lug is used, the lifting lug body is hooked through the hook for lifting, in the process, when the lifting lug body is broken, the hook can directly act on the auxiliary plate, and the spring is compressed through the movable plate to achieve the buffering effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting lug technical field, concretely is a crane lifting lug. BACKGROUND

[0002] The crane refers to in a certain range vertical lifting and horizontal transport heavy load multi -action hoisting machinery, its driving cab and hoisting control room combine two as one, change the track and walking support part of walking mechanism into the chassis with tire, belong to material handling machinery, the bridge -type crane is transverse to the workshop, warehouse and material yard above to carry out material hoisting hoisting equipment, the crane needs to use the crane when using the crane.

[0003] The existing crane lifting lug is prone to breakage during hoisting, therefore some people think of setting an arc plate below the lifting lug to play a buffering role when the lifting lug breaks, such as the announcement number CN222293440U, which specifically discloses a crane lifting lug to avoid falling off.

[0004] However, people will find that the hook needs to be replaced after long-term use or damage, and since the lifting plate and the hook are fixedly connected, it is difficult to disassemble and replace them later, which is inconvenient to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a crane lifting lug to solve the problems raised in the background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a crane lifting lug, including mounting seat, connecting sleeve and lifting lug main part, two connecting sleeves are fixedly arranged on the lower side of the mounting seat, a lifting bracket is arranged on the upper side of the mounting seat, the lifting lug main part is inserted into the connecting sleeve, a through positioning hole is formed in the connecting sleeve, a through connecting hole is formed in the two ends of the lifting lug main part, the positioning hole and the connecting hole are opposite to each other and locked by bolts and nuts; a movable cylinder is arranged on the side of the connecting sleeve, the movable cylinder is fixed to the mounting seat, a movable block and a spring are arranged in the movable cylinder, the movable block is slidably connected to the movable cylinder, a lifting rod is fixed to the movable block, the spring is arranged below the movable block and sleeved on the lifting rod, the lifting rod penetrates the movable cylinder and is connected with a supporting plate, an auxiliary plate is arranged below the lifting lug, and the two ends of the auxiliary plate are fixed to the supporting plate. When in use, the lifting lug main part is hooked by the hook for hoisting, in the process, the hook will directly act on the auxiliary plate when the lifting lug main part breaks, and the movable plate compresses the spring to play a buffering role. When the lifting lug main part needs to be removed, only the bolts and nuts for fixing the lifting lug main part need to be removed.

[0007] As preferred in the utility model, mounting holes are formed in the corners of the lifting bracket, and the mounting holes are arranged to fix the device.

[0008] As the utility model is preferred, the mounting seat is hinged on the hanger, so that when the device is used, the rotatable lifting lug body can automatically rotate with the lifting angle during lifting, the force direction of the steel wire rope is perpendicular to the lifting lug body, the abrasion of the steel wire rope and the lifting lug is reduced, and the safety hazard is reduced.

[0009] As the utility model is preferred, the connecting sleeve side is provided with a reinforcing rib, and the reinforcing rib is mainly arranged to improve the stability of the connecting sleeve.

[0010] As the utility model is preferred, the auxiliary plate is an arc-shaped plate, and the lifting lug body is a U-shaped plate, so that the auxiliary plate can cooperate with the lifting lug body.

[0011] As the utility model is preferred, the auxiliary plate is an arc-shaped plate, and the lifting lug body is a U-shaped plate, so that the auxiliary plate can cooperate with the lifting lug body.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a connecting sleeve and a lifting lug body are connected, which is convenient for dismounting in the later period, so that the lifting lug can be replaced, an auxiliary plate is arranged below the lifting lug body, so that the goods do not directly fall off after the lifting lug body is broken, and the spring plays a buffering effect, improving the safety. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a front structure schematic view of the utility model;

[0016] Figure 3 It is an internal structure schematic view of the movable cylinder of the utility model;

[0017] Figure 4 It is a split structure schematic view of the lifting lug and the connecting sleeve of the utility model.

[0018] In the drawing: 1, hanger; 101, mounting hole; 2, mounting seat; 3, connecting sleeve; 301, positioning hole; 302, reinforcing rib; 4, lifting lug body; 401, connecting hole; 5, movable cylinder; 6, movable block; 7, lifting rod; 8, spring; 9, supporting plate; 10, auxiliary plate. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0021] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Please refer to Figures 1-4 The present application provides a technical scheme: a crane lifting lug, comprising a mounting seat 2, a connecting sleeve 3 and a lifting lug main body 4, two connecting sleeves 3 are symmetrically fixed below the mounting seat 2, a lifting frame 1 is arranged above the mounting seat 2, the lifting lug main body 4 is inserted into the connecting sleeve 3 at both ends, a through positioning hole 301 is formed in the connecting sleeve 3, a through connecting hole 401 is formed in both ends of the lifting lug main body 4, the positioning hole 301 and the connecting hole 401 are opposite and locked by bolts and nuts; a movable cylinder 5 is arranged on the side of the connecting sleeve 3, the movable cylinder 5 is fixed with the mounting seat 2, a movable block 6 and a spring 8 are arranged in the movable cylinder 5, the movable block 6 is slidably connected with the movable cylinder 5, a lifting rod 7 is fixed on the movable block 6, the spring 8 is located below the movable block 6 and is sleeved on the lifting rod 7, the lifting rod 7 penetrates through the movable cylinder 5 and is connected with a supporting plate 9, an auxiliary plate 10 is arranged below the lifting lug, and the two ends of the auxiliary plate 10 are fixed with the supporting plate 9. When in use, the lifting lug main body 4 is hooked by a hook for lifting, during the process, the hook will directly act on the auxiliary plate 10 when the lifting lug main body 4 breaks, and the spring 8 is compressed by the movable plate to play a buffering role. When it is necessary to remove the lifting lug main body 4, only the bolts and nuts for fixing the lifting lug main body 4 need to be removed.

[0023] Further, the corner of the hanger 1 is provided with a mounting hole 101, and the mounting hole 101 is arranged to fix the device.

[0024] Further, the mounting seat 2 is hinged on the hanger 1, so that the device can rotate the lifting lug body 4 automatically during the lifting process when in use, thereby ensuring that the force direction of the steel wire rope is perpendicular to the lifting lug body 4, reducing the wear of the steel wire rope and the lifting lug, and reducing the safety hazard.

[0025] Further, the connecting sleeve 3 is provided with a reinforcing rib 302 on the side, and the reinforcing rib 302 is arranged to improve the stability of the connecting sleeve 3.

[0026] Further, the auxiliary plate 10 is an arc-shaped plate, and the lifting lug body 4 is a U-shaped plate, so that the auxiliary plate 10 can cooperate with the lifting lug body 4.

[0027] Further, the auxiliary plate 10 is provided with an arc-shaped groove on the inner side, and the arc-shaped groove is sleeved on the lifting lug body 4 to realize the cooperation.

[0028] In summary, when the device is used, the hanger 1 is fixed, and then the lifting lug body 4 is constructed by using the hook, and then the lifting is carried out by the crane. If the lifting lug body 4 is broken during the process, the force of the hook will act on the auxiliary plate 10, and the auxiliary plate 10 drives the supporting plate 9, and the supporting plate 9 drives the movable block 6 to move in the movable cylinder 5 through the suspender 7, and the movable block 6 compresses the spring 8, thereby playing a buffering role. If it is necessary to replace the lifting lug body 4, the bolts and nuts for fixing the connecting sleeve 3 and the lifting lug body 4 are unscrewed, then the auxiliary plate 10 is pressed downward, and then the lifting lug body 4 is pulled out of the connecting sleeve 3, and the disassembly is completed. When installing, the lifting lug body 4 is inserted into the connecting sleeve 3, then the bolts are passed through the positioning hole 301 and the connecting hole 401, and the nuts are screwed on the bolts.

[0029] 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, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A crane lifting lug, characterized in that: The device includes a mounting base (2), connecting sleeves (3), and a lifting lug body (4). Two connecting sleeves (3) are symmetrically fixed below the mounting base (2). A hanger (1) is installed above the mounting base (2). The lifting lug body (4) has both ends inserted into the connecting sleeves (3). The connecting sleeves (3) have through-hole positioning holes (301), and both ends of the lifting lug body (4) have through-hole connecting holes (401). The positioning holes (301) and connecting holes (401) are aligned and locked together with bolts and nuts. The connecting sleeves (3) A movable cylinder (5) is provided on the side. The movable cylinder (5) is fixed to the mounting base (2). A movable block (6) and a spring (8) are provided inside the movable cylinder (5). The movable block (6) is slidably connected to the movable cylinder (5). A lifting rod (7) is fixed on the movable block (6). The spring (8) is located below the movable block (6) and is sleeved on the lifting rod (7). The lifting rod (7) passes through the movable cylinder (5) and is connected to a support plate (9). An auxiliary plate (10) is provided below the lifting lug. Both ends of the auxiliary plate (10) are fixed to the support plate (9).

2. A crane lifting lug according to claim 1, characterized in that: The hanger (1) has a mounting hole (101) at the corner.

3. A crane lifting lug according to claim 1, characterized in that: The mounting base (2) is hinged to the hanger (1).

4. A crane lifting lug according to claim 1, characterized in that: The connecting sleeve (3) is provided with reinforcing ribs (302) on its side.

5. A crane lifting lug according to claim 1, characterized in that: The auxiliary plate (10) is an arc-shaped plate, and the main body of the lifting lug (4) is U-shaped.

6. A crane lifting lug according to claim 1, characterized in that: The auxiliary plate (10) has an arc-shaped groove on its inner side, and the arc-shaped groove is fitted onto the main body (4) of the lifting lug.

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