Quick platform connecting structure of tower crane

Abstract

The utility model discloses a quick platform connecting structure of a tower crane, which relates to the technical field of tower cranes and comprises a lifter body, a first connecting plate is fixedly connected to the top end of the lifter body, a second connecting plate is movably arranged at the top end of the first connecting plate, and a crane platform is fixedly connected to the top end of the second connecting plate. A reinforcing assembly is jointly arranged between the first connecting plate and the second connecting plate, quick connecting assemblies are jointly arranged at the two ends of the first connecting plate and the two ends of the second connecting plate and comprise through grooves, the through grooves are formed in one end of the first connecting plate, a supporting seat is fixedly connected to the lower inner wall of each through groove, and a motor is fixedly connected to the top end of each supporting seat; according to the connecting structure, local independent structures on a crane and an elevator overall machine can be quickly connected, the connecting efficiency of the connecting structure is improved, the crane can be stably connected, the connecting stability is improved, and the safety performance of the crane structure in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tower cranes, in particular to a platform quick connection structure of a tower crane. Background Art

[0002] Generally, the installation method of tower crane platform involves many parts and is inconvenient to install. However, the installation of tower crane on site places higher and higher demands on efficiency. The quick-installation design of the platform will reduce the pre-assembly time of components on site and bring good economic benefits. Therefore, a quick-connection structure is proposed, which is generally used for the quick assembly of cranes.

[0003] However, the prior art still has the following problems:

[0004] Firstly, the existing tower crane installation structure is relatively complex and cannot achieve the effect of rapid disassembly and assembly, which affects the installation efficiency of the installation structure. It does not have a quick-connect component, making it inconvenient to quickly connect the local independent structure on the crane and the overall elevator, reducing the connection efficiency of the connection structure.

[0005] Secondly, the existing tower crane installation structure does not have a reinforcement component. Since the stability of the installation structure is also important for the crane, the unstable connection of the connecting structure poses certain safety hazards when the crane is in use. The lack of a reinforcement component makes it difficult to connect the crane well, reducing the connection effect of the connecting structure.

[0006] In view of the above problems, the inventor proposes a platform quick connection structure of a tower crane to solve the above problems. Utility Model Content

[0007] In order to solve the problem that it is inconvenient to quickly connect the local independent structure on the crane and the whole elevator and it is inconvenient to better connect the crane; the purpose of the utility model is to provide a platform quick connection structure of a tower crane.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: a platform quick connection structure of a tower crane comprises a lift body, a first connecting plate is fixedly connected to the top of the lift body, a second connecting plate is movably provided at the top of the first connecting plate, and a crane platform is fixedly connected to the top of the second connecting plate, a reinforcement component is commonly provided between the first connecting plate and the second connecting plate, and the reinforcement component plays a better role in facilitating the connection of the connection structure, quick connection components are commonly provided at both ends of the first connecting plate and the second connecting plate, and the quick connection components play a role in facilitating the rapid assembly of the crane, the quick connection component comprises a through groove, the through groove is arranged at one end of the first connecting plate, a support seat is fixedly connected to the lower inner wall of the through groove, and the support seat plays a supporting role, a motor is fixedly connected to the top of the support seat, and the motor plays a role in driving the quick connection component, a worm is fixedly connected to the output end of the motor, so that the output end of the motor drives the worm transmission, and the end of the worm facing away from the output end of the motor is rotatably connected to the inner wall of one side of the through groove, and the outer surface of the worm engages A worm gear is connected, so that the worm gear transmission drives the worm gear to rotate. Both ends of the first connecting plate are fixedly connected to a supporting shell, and the inner walls of one side of the two supporting shells are connected to a bidirectional screw rod for common rotation. The worm gear is fixedly sleeved on the outer surface of the bidirectional screw rod, so that the rotation of the worm gear drives the bidirectional screw rod to rotate. The outer surface of the bidirectional screw rod is threadedly sleeved with two sliders, so that the rotation of the bidirectional screw rod drives the two sliders to move simultaneously. The two sliders are respectively sleeved at different thread directions engraved on the outer surface of the bidirectional screw rod, and the two ends of the two sliders are respectively slidably connected to the inner walls of the two sides of the two supporting shells, so that the supporting shell guides the slider when moving. The top ends of the two sliders are fixedly connected to positioning plates, and both ends of the second connecting plate are provided with positioning grooves for matching with the two positioning plates, so that the movement of the slider drives the two positioning plates to be inserted into the positioning grooves respectively, so that the first connecting plate and the second connecting plate are quickly connected. The two positioning plates are both inverted "L" shape, and the top height positions of the two positioning plates are respectively flush with the upper inner wall height positions of the two positioning grooves, so that the positioning grooves can be used in conjunction with the positioning plates.

[0009] Preferably, the reinforcement component includes a first card slot, the first card slots are provided with four, the four first card slots are respectively provided at both ends of the second connecting plate, the two ends of the first connecting plate are provided with two second card slots used to cooperate with the first card slot, the corresponding inner walls of the first card slot and the second card slot are movably connected with a buckle, the first card slot and the second card slot are used in conjunction with the buckle to make the connection between the first connecting plate and the second connecting plate more stable, the two corresponding buckles are distributed in a mirror image, so that the buckle can better clamp the first connecting plate and the second connecting plate, and the top ends of the four buckles are provided with a first screw hole, the lower inner walls of the four first card slots and the top end of the first connecting plate are respectively provided with four second screw holes and a third screw hole, The inner walls of the corresponding first screw hole, second screw hole and third screw hole are commonly threadedly connected with a bolt, and the first screw hole, the second screw hole and the third screw hole are used in conjunction with the bolt to make the connection more stable, and the outer surface threads of the bolts match the inner wall threads of the first screw hole, the second screw hole and the third screw hole, so that the first screw hole, the second screw hole and the third screw hole can be used in conjunction with the bolt. Four limit rods are fixedly connected to the second connecting plate, and four limit grooves for cooperating with the limit rods are provided at the top of the first connecting plate. The corresponding outer surfaces of the limit rods are movably plugged into the inner walls of the limit grooves. The limit grooves are used in conjunction with the limit rods to facilitate positioning when the first connecting plate and the second connecting plate are connected, so as to facilitate better connection and assembly.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. This application can quickly connect the local independent structures on the entire crane and elevator, and improve the connection efficiency of the connection structure;

[0012] 2. The present application can provide a more stable connection for the crane and improve the stability of the connection, so as to improve the safety performance of the crane structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art 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.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 This is a schematic diagram of the structure of the quick-connect assembly of the utility model.

[0016] Figure 3 This is a schematic diagram of the structure of the reinforcement component of the utility model.

[0017] In the figure: 1. lift body; 2. quick-connect assembly; 21. through slot; 22. motor; 23. support seat; 24. worm; 25. bidirectional screw; 26. positioning plate; 27. slider; 28. support shell; 29. ​​positioning slot; 201. worm gear; 3. reinforcement assembly; 31. second screw hole; 32. first screw hole; 33. buckle; 34. second slot; 35. third screw hole; 36. limit slot; 37. limit rod; 38. first slot; 39. bolt; 4. first connecting plate; 5. crane platform; 6. second connecting plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0019] Embodiment 1: Figure 1-3 As shown, the utility model provides a platform quick connection structure of a tower crane, including a lift body 1, a first connection plate 4 is fixedly connected to the top of the lift body 1, a second connection plate 6 is movably provided at the top of the first connection plate 4, and a crane platform 5 is fixedly connected to the top of the second connection plate 6, a reinforcement component 3 is commonly provided between the first connection plate 4 and the second connection plate 6, and the reinforcement component 3 plays a role in facilitating the connection of the connection structure to be more stable, and quick connection components 2 are commonly provided at both ends of the first connection plate 4 and the second connection plate 6, and the quick connection components 2 play a role in facilitating the quick connection of the crane structure;

[0020] The quick-connect assembly 2 includes a through slot 21, which is arranged at one end of the first connecting plate 4. A support seat 23 is fixedly connected to the lower inner wall of the through slot 21, and the support seat 23 plays a supporting role. A motor 22 is fixedly connected to the top of the support seat 23, and a worm 24 is fixedly connected to the output end of the motor 22, so that the output end of the motor 22 drives the worm 24 to transmit. One end of the worm 24 facing away from the output end of the motor 22 is rotatably connected to the inner wall of one side of the through slot 21, so that the through slot 21 can position the worm 24. A worm wheel 201 is meshedly connected to the outer surface of the worm 24, so that the worm wheel 201 can rotate when the worm 24 transmits. Both ends of the first connecting plate 4 are fixedly connected to support shells 28, and a bidirectional lead screw 25 is rotatably connected to the inner wall of one side of the two support shells 28. The worm wheel 201 is fixedly The two sliders 27 are respectively sleeved on the different thread directions engraved on the outer surface of the two-way screw rod 25, and the two ends of the two sliders 27 are respectively slidably connected to the inner walls of the two sides of the two support shells 28, so that the two sliders 27 can move toward opposite sides or back to back. The tops of the two sliders 27 are fixedly connected with the positioning plates 26, and the two ends of the second connecting plate 6 are provided with positioning grooves 29 used to match the two positioning plates 26, so that the sliders 27 can move and drive the positioning plates 26 to be inserted into the positioning grooves 29 so that the first connecting plate 4 and the second connecting plate 6 can be quickly connected.

[0021] The two positioning plates 26 are both in an inverted “L” shape, and the top heights of the two positioning plates 26 are flush with the upper inner wall heights of the two positioning grooves 29 , respectively, so that the positioning grooves 29 can be used in conjunction with the positioning plates 26 .

[0022] Embodiment 2: Figure 3 As shown, the reinforcement component 3 includes a first card slot 38, and there are four first card slots 38, which are respectively opened at both ends of the second connecting plate 6, and two second card slots 34 used for matching the first card slots 38 are opened at both ends of the first connecting plate 4. The inner walls of the corresponding first card slot 38 and the second card slot 34 are movably connected with buckles 33, and the two corresponding buckles 33 are distributed in a mirror image. The buckles 33 are clamped in the first card slot 38 and the second card slot 34 to facilitate the more stable connection of the first connecting plate 4 and the second connecting plate 6.

[0023] The tops of the four clips 33 are each provided with a first screw hole 32, the lower inner walls of the four first slots 38 and the top of the first connecting plate 4 are respectively provided with four second screw holes 31 and a third screw hole 35, the corresponding inner walls of the first screw holes 32, the second screw holes 31 and the third screw holes 35 are commonly threadedly connected with bolts 39, the outer surface threads of the bolts 39 match the inner wall threads of the first screw holes 32, the second screw holes 31 and the third screw holes 35, the first screw holes 32, the second screw holes 31 and the third screw holes 35 are used in conjunction with the bolts 39 to make the clips 33 better clamped to the first connecting plate 4 and the second connecting plate 6, so as to improve the safety of the crane structure.

[0024] Four limiting rods 37 are fixedly connected to the second connecting plate 6, and four limiting grooves 36 for cooperating with the limiting rods 37 are opened at the top of the first connecting plate 4. The outer surfaces of the corresponding limiting rods 37 are movably plugged into the inner walls of the limiting grooves 36. The limiting grooves 36 are used in conjunction with the limiting rods 37 to facilitate the positioning of the first connecting plate 4 and the second connecting plate 6 during installation.

[0025] Working principle: First, the limiting groove 36 is used in conjunction with the limiting rod 37 to quickly connect the first connecting plate 4 and the second connecting plate 6 together, and then the motor 22 is started through the quick-connect assembly 2, and the output end of the motor 22 drives the worm 24 to transmit, and the worm 24 drives the worm wheel 201 to rotate, and the rotation of the worm wheel 201 drives the bidirectional screw rod 25 to rotate, and the rotation of the bidirectional screw rod 25 drives the two sliders 27 to move simultaneously, and the support shell 28 plays a role in facilitating the position limiting of the slider 27 when it moves, and the movement of the slider 27 drives the positioning plate 26 to be inserted into the positioning groove 29 so that the first connecting plate 4 and the second connecting plate 6 are quickly connected;

[0026] Then, the buckle 33 is quickly snapped into the first slot 38 and the second slot 34 through the reinforcement component 3, so as to more firmly connect the first connecting plate 4 and the second connecting plate 6 together;

[0027] At the same time, the corresponding bolts 39 are screwed into the corresponding first screw holes 32 , second screw holes 31 and third screw holes 35 , so that the position of the buckle 33 is positioned, and the buckle 33 can be better clamped in the first clamping groove 38 and the second clamping groove 34 .

[0028] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A platform quick connection structure for a tower crane, comprising a lifting machine body (1), characterized in that: The top of the lift body (1) is fixedly connected to a first connecting plate (4), the top of the first connecting plate (4) is movably provided with a second connecting plate (6), and the top of the second connecting plate (6) is fixedly connected to a crane platform (5), a reinforcement component (3) is provided between the first connecting plate (4) and the second connecting plate (6), and quick-connect components (2) are provided at both ends of the first connecting plate (4) and the second connecting plate (6); The quick-connect assembly (2) comprises a through slot (21), wherein the through slot (21) is provided at one end of the first connecting plate (4), a support seat (23) is fixedly connected to the lower inner wall of the through slot (21), a motor (22) is fixedly connected to the top end of the support seat (23), a worm (24) is fixedly connected to the output end of the motor (22), a worm (24) is meshingly connected to the outer surface of the worm (24) is meshingly connected to a worm wheel (201), both ends of the first connecting plate (4) are fixedly connected to a support shell (28), and the inner walls of one side of the two supporting shells (28) are rotatably connected to a bidirectional screw rod (25), the worm wheel (201) is fixedly sleeved on the outer surface of the bidirectional screw rod (25), two sliders (27) are threadedly sleeved on the outer surface of the bidirectional screw rod (25), the top ends of the two sliders (27) are fixedly connected to a positioning plate (26), and both ends of the second connecting plate (6) are provided with positioning slots (29) used in conjunction with the two positioning plates (26).

2. The platform quick connection structure of a tower crane according to claim 1, characterized in that: The reinforcing component (3) comprises a first card slot (38), wherein four first card slots (38) are provided, and the four first card slots (38) are respectively provided at two ends of the second connecting plate (6), and two second card slots (34) used in conjunction with the first card slots (38) are provided at both ends of the first connecting plate (4), and the corresponding inner walls of the first card slot (38) and the second card slot (34) are movably connected with a buckle (33), and the top ends of the four buckles (33) are provided with a first screw hole (32), and the lower inner walls of the four first card slots (38) and the top end of the first connecting plate (4) are respectively provided with four second screw holes (31) and a third screw hole (35), and the corresponding inner walls of the first screw hole (32), the second screw hole (31) and the third screw hole (35) are threadedly connected with a bolt (39).

3. The platform quick connection structure of a tower crane according to claim 1, characterized in that: The two sliders (27) are respectively sleeved on different thread directions engraved on the outer surface of the bidirectional screw rod (25), and the two ends of the two sliders (27) are respectively slidably connected to the inner walls of the two sides of the two support shells (28).

4. The platform quick connection structure of a tower crane according to claim 1, characterized in that: The two positioning plates (26) are both in an inverted "L" shape, and the top heights of the two positioning plates (26) are flush with the upper inner walls of the two positioning grooves (29).

5. The platform quick connection structure of a tower crane according to claim 1, characterized in that: One end of the worm (24) facing away from the output end of the motor (22) is rotatably connected to an inner wall of one side of the through slot (21).

6. The platform quick connection structure of a tower crane according to claim 2, characterized in that: The outer surface threads of the bolt (39) are matched with the inner wall threads of the first screw hole (32), the second screw hole (31) and the third screw hole (35).

7. The platform quick connection structure of a tower crane according to claim 2, characterized in that: The two corresponding buckles (33) are distributed in a mirror image.

8. The platform quick connection structure of a tower crane according to claim 2, characterized in that: Four limiting rods (37) are fixedly connected to the second connecting plate (6), and four limiting grooves (36) for cooperating with the limiting rods (37) are provided at the top of the first connecting plate (4), and the outer surfaces of the corresponding limiting rods (37) are movably plugged into the inner walls of the limiting grooves (36).

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