Crankshaft hoisting clamp for adjusting gravity center

Abstract

The utility model relates to the technical field of hoisting tools, and particularly provides a crankshaft hoisting clamp for adjusting the gravity center. The lifting hook comprises a lifting hook body, a screw limiting block, a screw, a lifting ring and a nut, the lifting ring penetrates into a cross beam on the lifting hook body, and the lifting hook body and the cross beam are welded; the screw limiting blocks are placed on the two sides of the cross beam on the lifting hook body, the screws transversely penetrate through the two sides of the screw limiting blocks and penetrate through the lifting ring through threads, the screw limiting blocks are welded to the two sides of the cross beam on the lifting hook body, and the screws and the nuts are connected through threads; the screw rod and the screw rod limiting block have free height up and down through the slotting structure and are used for fixing and adjusting the lifting ring; when the crankshaft is hoisted, the gravity of the crankshaft acts on the lifting hook through the cross beam on the lifting hook body, and the crankshaft hoisting clamp is reasonable in structure, simple to manufacture and capable of adjusting the hoisting gravity center of the crankshaft to keep the crankshaft horizontal during hoisting; and the gravity of the crankshaft directly acts on the lifting hook, so that the problem that the crankshaft is easy to incline is solved, and gravity center deviation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting tools, in particular to a crankshaft hoisting fixture for adjusting the center of gravity. Background Art

[0002] At present, the crankshaft lifting fixture is generally a lifting ring, which is located in the middle of the hook. Since the crankshaft is in the shape of a slender shaft and the weight of the front and rear ends is inconsistent, when the crankshaft is lifted by using its structural hook, the crankshaft is prone to tilt, resulting in a deviation of the center of gravity. Utility Model Content

[0003] In view of this, the utility model provides a crankshaft hoisting fixture for adjusting the center of gravity, so as to solve the problem that the crankshaft is prone to tilting and avoid the deviation of the center of gravity.

[0004] In a first aspect, the utility model provides a crankshaft hoisting fixture for adjusting the center of gravity, the crankshaft hoisting fixture comprising a hook body, a screw limit block, a screw, a lifting ring and a nut;

[0005] The lifting ring is inserted into the crossbeam on the hook body, and the hook body and the crossbeam are welded; the screw limit blocks are placed on both sides of the crossbeam on the hook body, the screw crosses both sides of the screw limit blocks, and passes through the lifting ring through the thread, the screw limit blocks are welded to both sides of the crossbeam on the hook body, and the screw and the nut are connected through threads;

[0006] The screw rod and the screw rod limit block have free height up and down through the slotted structure, which is used to fix and adjust the lifting ring; when the crankshaft is hoisted, the weight of the crankshaft acts on the lifting ring through the crossbeam on the hook body.

[0007] Optionally, when adjusting the lifting ring, the nut is loosened, the screw rod is rotated, the lifting ring moves along the screw rod, and after the lifting ring is moved to a target position, the nut is tightened to fix the position of the lifting ring.

[0008] In the technical solution provided by the utility model, the crankshaft lifting clamp comprises a hook body, a screw limit block, a screw, a lifting ring and a nut; the lifting ring is inserted into the crossbeam on the hook body, and the hook body and the crossbeam are welded; the screw limit block is placed on both sides of the crossbeam on the hook body, the screw crosses both sides of the screw limit block, and passes through the lifting ring through a thread, the screw limit block is welded to both sides of the crossbeam on the hook body, and the screw and the nut are connected through a thread; the screw and the screw limit block have a free height up and down through a slotted structure, which is used to fix and adjust the lifting ring; when lifting the crankshaft, the weight of the crankshaft acts on the hook through the crossbeam on the hook body, the crankshaft lifting clamp has a reasonable structure, is simple to manufacture, and can adjust the center of gravity of the crankshaft to keep the crankshaft horizontal during lifting; and the weight of the crankshaft acts directly on the hook, which solves the problem of the crankshaft being prone to tilting and avoids deviation of the center of gravity. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0010] Figure 1 A front view of the crankshaft lifting fixture provided by the utility model;

[0011] Figure 2 The utility model is a side view of the crankshaft lifting fixture provided by the utility model.

[0012] Explanation of the reference numerals in the figure: 1- hook body; 2- screw limit block; 3- screw; 4- lifting ring; 5- nut. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] It should be clear that the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] The terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention are also intended to include plural forms, unless the context clearly indicates other meanings.

[0016] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0017] The word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting", depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to determining" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)", depending on the context.

[0018] In the utility model, Figure 1 and Figure 2 As shown, the crankshaft lifting fixture includes a hook body 1, a screw limit block 2, a screw 3, a lifting ring 4 and a nut 5.

[0019] The lifting ring 4 is inserted into the crossbeam on the hook body 1, and the hook body 1 and the crossbeam are welded; the screw limit blocks 2 are placed on both sides of the crossbeam on the hook body 1, the screw 3 crosses both sides of the screw limit blocks 2, and passes through the lifting ring 4 through threads, the screw limit blocks 2 are welded to both sides of the crossbeam on the hook body 1, and the screw 3 and the nut 5 are connected by threads.

[0020] The screw rod 3 and the screw rod limit block 2 have free height up and down through the slotted structure, which is used to fix and adjust the lifting ring 4; when the crankshaft is hoisted, the weight of the crankshaft acts on the lifting ring 4 through the crossbeam on the hook body 1.

[0021] In the utility model, when adjusting the lifting ring 4, the nut 5 is loosened, the screw rod 3 is rotated, and the lifting ring 4 moves along the screw rod 3. After the lifting ring 4 is moved to the target position, the nut 5 is tightened to fix the position of the lifting ring 4.

[0022] In the utility model, when the lifting ring 4 is adjusted, the screw rod 3 will not be deformed.

[0023] In the utility model, the crankshaft hoisting fixture is a double hook structure, and the main body of the hook body 1 is welded by two steel bars in the horizontal and vertical directions, and the two vertical steel bars are used to connect the hook.

[0024] In the technical solution provided by the utility model, the crankshaft lifting clamp comprises a hook body, a screw limit block, a screw, a lifting ring and a nut; the lifting ring is inserted into the crossbeam on the hook body, and the hook body and the crossbeam are welded; the screw limit block is placed on both sides of the crossbeam on the hook body, the screw crosses both sides of the screw limit block, and passes through the lifting ring through a thread, the screw limit block is welded to both sides of the crossbeam on the hook body, and the screw and the nut are connected through a thread; the screw and the screw limit block have a free height up and down through a slotted structure, which is used to fix and adjust the lifting ring; when lifting the crankshaft, the weight of the crankshaft acts on the hook through the crossbeam on the hook body, the crankshaft lifting clamp has a reasonable structure, is simple to manufacture, and can adjust the center of gravity of the crankshaft to keep the crankshaft horizontal during lifting; and the weight of the crankshaft acts directly on the hook, which solves the problem of the crankshaft being prone to tilting and avoids deviation of the center of gravity.

[0025] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A crankshaft hoisting fixture for adjusting the center of gravity, characterized in that: The crankshaft lifting fixture comprises a hook body (1), a screw rod limit block (2), a screw rod (3), a lifting ring (4) and a nut (5); The lifting ring (4) is inserted into the crossbeam on the hook body (1), and the hook body (1) and the crossbeam are welded; the screw limit blocks (2) are placed on both sides of the crossbeam on the hook body (1), the screw (3) crosses both sides of the screw limit blocks (2), and passes through the lifting ring (4) through threads, the screw limit blocks (2) are welded to both sides of the crossbeam on the hook body (1), and the screw (3) and the nut (5) are connected through threads; The screw rod (3) and the screw rod limit block (2) have free heights up and down through the slotted structure, and are used to fix and adjust the lifting ring (4); when the crankshaft is lifted, the weight of the crankshaft acts on the lifting ring (4) through the crossbeam on the hook body (1).

2. The crankshaft hoisting fixture according to claim 1, characterized in that: When adjusting the lifting ring (4), loosen the nut (5), rotate the screw rod (3), and move the lifting ring (4) along the screw rod (3). After the lifting ring (4) is moved to the target position, tighten the nut (5) to fix the position of the lifting ring (4).

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