Lockable automatic towing hook lifting appliance

Abstract

The utility model discloses a lockable automatic towing hook lifting appliance which comprises a left side inclined plate, a right side inclined plate, a V-shaped connecting plate, a locking rod and a rotating plate, and the left side inclined plate is rotationally connected to a fourth connecting shaft; according to the lifting appliance, the traction device drives the lifting appliance to slowly approach an object, the output ends of the first motor and the second motor rotate to drive the second threaded rod and the first threaded rod to rotate respectively, then the second nut and the first nut are driven to move, and finally the first contact block and the second contact block are driven to move oppositely until the object is contacted. The object hooking distances of the left side inclined plate and the right side inclined plate are equal, so that the hidden danger of inclination is eliminated; after an object is hooked, the air cylinder drives the locking rod to rotate, then the second fixing shaft is pulled upwards, the locking rod fixes the second fixing shaft and the fourth connecting shaft, then the left side inclined plate and the right side inclined plate are mutually locked, finally the towing hook lifting appliance is locked, the hook body cannot be loosened when the heavy object is lifted, and potential safety hazards are eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field, especially in an automatic towed hook hoist of lockable. BACKGROUND

[0002] The automatic towed hook hoist has excellent safety performance, efficient operation mode and wide applicability, plays an important role in the hoisting field, is equipped with emergency stop switch and overload protection and the like functions, and maximally guarantees operation safety, can quickly complete the hoisting and release of goods, greatly shortens the loading and unloading time compared with the traditional method, and improves overall operation efficiency, is solid in structure and convenient to maintain, can keep stable performance for a long time, and is suitable for high-strength and continuous industrial application, but the popular automatic towed hook hoist on the market has obvious defects: firstly, the automatic towed hook hoist lacks locking device, the hook body can be accidentally released when hoisting heavy objects, and there is a safety hazard, secondly, for the object with deep groove, the hook body cannot contact the groove bottom, and the depth of the hook body on both sides can be different when hoisting heavy objects, leading to inclination, therefore, it is necessary to design an automatic towed hook hoist of lockable. SUMMARY

[0003] The utility model discloses an automatic towed hook hoist of lockable, which solves the defects of the prior art, such as lack of locking device, accidental release of hook body when hoisting heavy objects, safety hazard, and inability of hook body to contact groove bottom for the object with deep groove.

[0004] In order to solve the above technical problems, the utility model provides the following technical scheme: an automatic towed hook hoist of lockable, comprising left side inclined plate, right side inclined plate, V type connecting plate, locking rod and rotating plate, the left side inclined plate is rotatably connected on the fourth connecting shaft, the fourth connecting shaft is fixedly connected in the through hole of one side of the V type connecting plate, the through hole of the other side of the V type connecting plate is fixedly connected with the third connecting shaft, the third connecting shaft is rotatably connected with the right side inclined plate, the through hole of the right side inclined plate is rotatably connected with the first connecting shaft, the first connecting shaft is rotatably connected with the left side inclined plate, and the left side inclined plate is tightly attached to the right side inclined plate.

[0005] As a further technical scheme of the utility model, the second connecting shaft is fixedly connected in the through hole of the V type connecting plate.

[0006] As a further technical scheme of the utility model, the first motor is fixedly connected on the left side inclined plate, the output end of the first motor is fixedly connected on the second threaded rod, the second threaded rod is connected with the second nut through thread cooperation, the second nut is fixedly connected on the first contact block, the first contact block is slidingly connected in the groove of the left side inclined plate, and the first fixed shaft is fixedly connected in the through hole of the left side inclined plate.

[0007] As a further technical scheme of the utility model, the second motor is fixedly connected on the right side inclined plate, the output end of the second motor is fixedly connected on the first threaded rod, the first threaded rod is connected with the first nut through thread cooperation, the first nut is fixedly connected on the second contact block, the second contact block is slidingly connected in the groove of the right side inclined plate, and the second fixed shaft is fixedly connected in the through hole of the right side inclined plate.

[0008] As a further technical scheme of the utility model, one end of the locking rod is rotatably connected on the second fixed shaft, the first fixed flange is fixedly connected on the other end of the locking rod, the cylinder is fixedly connected on the first fixed flange, the second fixed flange is fixedly connected on the cylinder, the second fixed flange is fixedly connected on the rotating plate, the rotating plate is rotatably connected on the fourth connecting shaft, and the fourth connecting shaft is close to the locking rod.

[0009] As a further technical scheme of the utility model, the first threaded rod is rotatably connected in the groove of the right side inclined plate.

[0010] As a further technical scheme of the utility model, the second threaded rod is rotatably connected in the groove of the left side inclined plate.

[0011] The utility model provides a kind of automatic towed hook lifting appliance of locking, it is in that the advantage is: through traction device, lifting appliance is moved to the object to be hoisted directly above, slowly approach object, the left side inclined plate and right side inclined plate are respectively hooked to the both sides of object, the output end of first motor and second motor rotates respectively to drive second threaded rod and first threaded rod to rotate, to drive second nut and first nut respectively along the direction of second threaded rod and first threaded rod movement, finally, first contact block and second contact block are moved towards each other, contact object, ensure that the distance that the hook of left side inclined plate and right side inclined plate hooks object is same, eliminate the hidden danger of inclination;After hooking object, cylinder drives locking rod to rotate around fourth connecting shaft, to pull second fixed shaft upwards, locking rod is fixed by second fixed shaft and fourth connecting shaft, to lock left side inclined plate and right side inclined plate each other, finally, towed hook lifting appliance is locked, hook body does not loosen when lifting heavy object, eliminate the hidden danger. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0013] Figure 1 It is the overall structure diagram of the present application.

[0014] Figure 2 It is the overall front view of the present application.

[0015] Figure 3 It is Figure 2 It is the local enlarged view of A area in the middle.

[0016] Figure 4 It is the local sectional view of the present application.

[0017] Figure 5 It is the overall side view of the present application.

[0018] In the figure: 1, left inclined plate; 2, right inclined plate; 3, first connecting shaft; 4, V-shaped connecting plate; 5, second connecting shaft; 6, third connecting shaft; 7, first fixed shaft; 8, locking rod; 9, first contact block; 10, first motor; 11, first threaded rod; 12, fourth connecting shaft; 13, second fixed shaft; 14, first fixed flange; 15, cylinder; 16, rotating plate; 17, second fixed flange; 18, second motor; 19, second contact block; 20, first nut; 21, second threaded rod; 22, second nut. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0020] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0021] Please refer to the attached Figure 1 -attached Figure 5 , the utility model provides an embodiment: a kind of lockable automatic towing hook spreader, including left side inclined plate 1, right side inclined plate 2, V-shaped connecting plate 4, locking lever 8 and rotating plate 16, left side inclined plate 1 is rotatably connected on fourth connecting shaft 12, fourth connecting shaft 12 is fixedly connected in the through hole of V-shaped connecting plate 4 one side opening, the through hole of V-shaped connecting plate 4 other side opening is fixedly connected with third connecting shaft 6, third connecting shaft 6 is rotatably connected with right side inclined plate 2, the through hole of right side inclined plate 2 opening is rotatably connected with first connecting shaft 3, first connecting shaft 3 rotates left side inclined plate 1, left side inclined plate 1 is close to right side inclined plate 2;The through hole of V-shaped connecting plate 4 opening is fixedly connected with second connecting shaft 5;First motor 10 is fixedly connected on left side inclined plate 1, the output end of first motor 10 is fixedly connected on second threaded rod 21, second threaded rod 21 is connected with second nut 22 by thread cooperation, second nut 22 is fixedly connected on first contact block 9, first contact block 9 is slidingly connected in the recess of left side inclined plate 1 opening, the through hole of left side inclined plate 1 opening is fixedly connected with first fixed shaft 7;Second motor 18 is fixedly connected on right side inclined plate 2, the output end of second motor 18 is fixedly connected on first threaded rod 11, first threaded rod 11 is connected with first nut 20 by thread cooperation, first nut 20 is fixedly connected on second contact block 19, second contact block 19 is slidingly connected in the recess of right side inclined plate 2 opening, the through hole of right side inclined plate 2 opening is fixedly connected with second fixed shaft 13;One end of locking lever 8 is rotatably connected on second fixed shaft 13, first fixed flange 14 is fixedly connected on the other end of locking lever 8, cylinder 15 is fixedly connected on first fixed flange 14, second fixed flange 17 is fixedly connected on cylinder 15, second fixed flange 17 is fixedly connected on rotating plate 16, rotating plate 16 is rotatably connected on fourth connecting shaft 12, fourth connecting shaft 12 is close to locking lever 8, and locking lever 8 is used for locking towing hook spreader;First threaded rod 11 is rotatably connected in the recess of right side inclined plate 2 inside, and first threaded rod 11 is used to drive second contact block 19 to move;Second threaded rod 21 is rotatably connected in the recess of left side inclined plate 1 inside, and second threaded rod 21 is used to drive first contact block 9 to move.

[0022] Specifically, in use, first, the traction device drives the hook to move above the object to be hoisted, slowly approaches the object, hooks the left inclined plate 1 and the right inclined plate 2 to the two sides of the object respectively, the output end of the first motor 10 and the second motor 18 rotates to drive the second threaded rod 21 and the first threaded rod 11 to rotate respectively, further drives the second nut 22 and the first nut 20 to move along the direction of the second threaded rod 21 and the first threaded rod 11 respectively, finally drives the first contact block 9 and the second contact block 19 to move towards each other, contacts the object, ensures that the distance of the hooks of the left inclined plate 1 and the right inclined plate 2 hooked to the object is the same, and eliminates the hidden danger of tilting; after hooking the object, the cylinder 15 drives the locking rod 8 to rotate around the fourth connecting shaft 12, further pulls the second fixed shaft 13 upwards, the locking rod 8 fixes the second fixed shaft 13 and the fourth connecting shaft 12, further locks the left inclined plate 1 and the right inclined plate 2 with each other, finally locks the towing hook, and the hook body will not be loose when hoisting heavy objects, and the safety hidden danger is eliminated.

[0023] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0024] The device embodiments described above are only schematic, wherein the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, i.e., can be located in one place, or can be distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment scheme according to actual needs. Those skilled in the art can understand and implement without creative labor.

[0025] Finally, it should be noted that: the above examples are only used to illustrate the technical scheme of the utility model, and not to limit it, although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement to part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the utility model.

Claims

1. A lockable automatic towing hook lifting device, comprising a left inclined plate (1), a right inclined plate (2), a V-shaped connecting plate (4), a locking rod (8), and a rotating plate (16), characterized in that: The left inclined plate (1) is rotatably connected to the fourth connecting shaft (12), the fourth connecting shaft (12) is fixedly connected to the through hole opened on one side of the V-shaped connecting plate (4), the third connecting shaft (6) is fixedly connected to the through hole opened on the other side of the V-shaped connecting plate (4), the third connecting shaft (6) is rotatably connected to the right inclined plate (2), the first connecting shaft (3) is rotatably connected to the through hole opened on the right inclined plate (2), the first connecting shaft (3) is rotatably connected to the left inclined plate (1), and the left inclined plate (1) is tightly attached to the right inclined plate (2).

2. The lockable automatic towing hook lifting device according to claim 1, characterized in that: The second connecting shaft (5) is fixedly connected in the through hole of the V-shaped connecting plate (4).

3. The lockable automatic towing hook lifting device according to claim 1, characterized in that: A first motor (10) is fixedly connected to the left inclined plate (1). The output end of the first motor (10) is fixedly connected to the second threaded rod (21). The second threaded rod (21) is connected to the second nut (22) by threaded engagement. The second nut (22) is fixedly connected to the first contact block (9). The first contact block (9) is slidably connected in the groove opened in the left inclined plate (1). The first fixed shaft (7) is fixedly connected in the through hole opened in the left inclined plate (1).

4. The lockable automatic towing hook lifting device according to claim 1, characterized in that: A second motor (18) is fixedly connected to the right inclined plate (2). The output end of the second motor (18) is fixedly connected to the first threaded rod (11). The first threaded rod (11) is connected to the first nut (20) by threaded engagement. The first nut (20) is fixedly connected to the second contact block (19). The second contact block (19) is slidably connected in the groove opened in the right inclined plate (2). The second fixed shaft (13) is fixedly connected in the through hole opened in the right inclined plate (2).

5. The lockable automatic towing hook lifting device according to claim 4, characterized in that: One end of a locking rod (8) is rotatably connected to the second fixed shaft (13), and a first fixed flange (14) is fixedly connected to the other end of the locking rod (8). A cylinder (15) is fixedly connected to the first fixed flange (14), and a second fixed flange (17) is fixedly connected to the cylinder (15). The second fixed flange (17) is fixedly connected to the rotating plate (16), and the rotating plate (16) is rotatably connected to the fourth connecting shaft (12). The fourth connecting shaft (12) is in close contact with the locking rod (8).

6. The lockable automatic towing hook lifting device according to claim 4, characterized in that: The first threaded rod (11) is rotatably connected in the groove inside the right inclined plate (2).

7. The lockable automatic towing hook lifting device according to claim 3, characterized in that: The second threaded rod (21) is rotatably connected in the groove inside the left inclined plate (1).

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