Anti-swing lifting device for water pump casting of travelling crane

Abstract

This utility model relates to the field of water pump manufacturing technology and discloses a sway-prevention lifting device for a mobile crane using a water pump casting. The device includes: a connecting plate with two rotatably connected claws that can approach each other; and an anti-vibration structure comprising a swing arm, a first counterweight, an extension rod, and counterweight balls. The swing arm is rotatably mounted on one side of the connecting plate, the first counterweight is fixedly installed with the swing arm, and the extension rod is detachably mounted on one side of the swing arm. Each end of the extension rod has a counterweight ball. When the connecting plate tends to move to the right, the swing arm swings to the left. The weight of the swing arm and the first counterweight suppresses the rightward swing of the connecting plate. Combined with the extension rod made of steel cable and the two counterweight balls, the two counterweight balls also suppress the rightward movement of the connecting plate, thereby suppressing the sway of the connecting plate and ensuring the stability of the lifting operation. The overall structure is simple, requires no power source, and has low usage and maintenance costs.

Description

Technical Field

[0001] This utility model relates to the field of water pump manufacturing technology, and in particular to an anti-sway lifting device for a mobile crane using a water pump casting. Background Technology

[0002] The main body of the water pump is mostly manufactured by casting. After the main body is formed, a crane is needed to transport the workpiece to the designated location.

[0003] A search revealed a prior art double-hook lifting device for hoisting water pumps (publication number: CN214031405U), comprising a circular lifting ring, a connecting plate connected to the circular lifting ring, and an 8-shaped lifting plate connected to the end of the connecting plate. The 8-shaped lifting plate is hinged with a left hook and a right hook via a pin. The left hook and the right hook are provided with hexagonal through holes. The pin is inserted into the through holes to install the left hook and the right hook onto the 8-shaped lifting plate. The 8-shaped lifting plate is also provided with a telescopic mechanism for driving the left hook and the right hook to move.

[0004] Existing technology mainly achieves hoisting by clamping the water pump casing with two hooks, while the main body is mostly installed at the end of the overhead crane's steel cable. As the crane moves, the main body is prone to swaying, affecting the stability of the hoisting. Therefore, it is necessary to optimize the main body to suppress the swaying of the main body as it moves with the steel cable.

[0005] To address this, we propose a sway-prevention lifting device for overhead cranes using cast water pumps. Utility Model Content

[0006] The present invention mainly addresses the technical problem that the hoisting body is prone to swaying due to movement, which affects the hoisting process, and provides a sway-proof hoisting device for a mobile crane using a water pump casting.

[0007] To achieve the above objectives, this utility model adopts the following technical solution: a sway-prevention lifting device for a mobile crane using a water pump casting, comprising:

[0008] A connecting plate, the top of which is rotatably connected to a rotating ring, and the bottom of which is rotatably connected to two lifting claws that can approach each other;

[0009] An anti-vibration structure is installed on the side wall of the connecting plate to suppress shaking. The anti-vibration structure includes a swing arm, a first counterweight, an extension rod, and counterweight balls. The swing arm is rotatably mounted on one side of the connecting plate. The first counterweight is fixedly installed on the swing arm. The extension rod is detachably mounted on one side of the swing arm, and a counterweight ball is installed at each end of the extension rod.

[0010] In a preferred embodiment of this utility model, the swing arm is a rectangular column with a shaft hole, and the connecting plate is fixedly mounted with a rotating shaft, which is rotatably disposed within the shaft hole.

[0011] In a preferred embodiment of this utility model, the first counterweight is a semi-circular block, and the first counterweight is fixedly installed at the lower end of the swing arm.

[0012] In a preferred embodiment of the present invention, the anti-vibration structure further includes a clamping block, which is fixedly connected to the swing arm, and the extension rod is detachably connected to the clamping block.

[0013] In a preferred embodiment of this invention, the extension rod is a deformable columnar structure, and the counterweight ball is a metal sphere.

[0014] In a preferred embodiment of this utility model, the end of the clamping block is provided with an installation channel, and the extension rod is installed in the installation channel.

[0015] In a preferred embodiment of this utility model, the installation channel includes a circular hole penetrating the clamping block and a rectangular groove on one side. The rectangular groove is located at the front end of the clamping block, and the circular hole is located at the upper end of the clamping block. The rectangular groove and the circular hole are interconnected. The extension rod passes through the rectangular groove and is fixed in the circular hole. The clamping block is locked with bolts to clamp and limit the extension rod.

[0016] This utility model provides an anti-sway lifting device for a mobile crane using a cast water pump. It has the following beneficial effects:

[0017] 1. This type of anti-sway lifting device for a mobile crane using a water pump casting, by setting a swing arm, with the rotational connection point between the swing arm and the connecting plate close to the first counterweight block, i.e., the eccentric position of the swing arm. When the connecting plate tends to move to the right, the swing arm will swing to the left. The weight of the swing arm and the first counterweight block suppresses the rightward swing of the connecting plate. In conjunction with the extension rod made of steel cable and two counterweight balls, the two counterweight balls can also suppress the rightward movement of the connecting plate, thereby suppressing the sway of the connecting plate and ensuring the stability of the lifting. The overall structure is simple, requires no power source, and has low usage and maintenance costs.

[0018] 2. This type of anti-sway lifting device for water pump castings of a crane uses a clamping block with an installation channel to install an extension rod. The extension rod is passed through the rectangular groove of the installation channel and inserted into the round hole. Screws are used to reduce the opening of the rectangular groove of the clamping block, thereby clamping and fixing the extension rod, thus realizing the installation of the extension rod. The weight of the counterweight ball can be adjusted according to the size of the pump casing to ensure the anti-sway effect. It has the characteristics of convenient disassembly and assembly. Attached Figure Description

[0019] Figure 1 This is one of the overall perspective views of this utility model;

[0020] Figure 2 This is the second overall perspective view of the present utility model;

[0021] Figure 3 This is a perspective view of the swing arm and extension rod of this utility model;

[0022] Figure 4 This is a perspective view of the extension rod and swing arm installation of this utility model;

[0023] Figure 5 This is a perspective view of the clamping block installation extension rod of this utility model.

[0024] Legend: 10. Connecting plate; 11. Lifting claw; 20. Swing arm; 21. First counterweight block; 23. Clamping block; 24. Extension rod; 25. Counterweight ball; 26. Installation channel. Detailed Implementation

[0025] A type of anti-sway lifting device for overhead cranes using cast water pumps, such as Figure 1 As shown, it includes:

[0026] The connecting plate 10 has a rotating ring rotatably connected to its top, and two lifting claws 11 that can approach each other are rotatably connected to the bottom of the connecting plate 10. The lifting claws 11 can be rotatably connected to the connecting plate 10 via pins. The two lifting claws 11 clamp the cast housing of the water pump, and cooperate with the overhead crane to lift and transfer the water pump casting. The rotating ring can be fixed to the end of the steel cable. The overhead crane is a known existing technology, and its specific specifications are not limited here.

[0027] like Figure 1 , Figure 2 and Figure 3 As shown, the anti-vibration structure is set on the side wall of the connecting plate 10 to suppress shaking. The anti-vibration structure includes a swing arm 20, a first counterweight 21, an extension rod 24, and a counterweight ball 25. The swing arm 20 is rotatably set on one side of the connecting plate 10. The first counterweight 21 is fixedly installed with the swing arm 20. The extension rod 24 is detachably set on one side of the swing arm 20. A counterweight ball 25 is set at each end of the extension rod 24. The swing arm 20 is a rectangular column with a shaft hole. The connecting plate 10 is fixedly installed with a rotating shaft, which is rotatably set in the shaft hole. The first counterweight 21 is a semi-circular block and is fixedly installed at the lower end of the swing arm 20. The extension rod 24 is a deformable columnar structure, and the counterweight ball 25 is a metal ball.

[0028] In this solution, since the connecting plate 10 is prone to swaying with the movement of the crane, a swing arm 20 is set up to suppress the swaying of the connecting plate 10. The rotation connection point of the swing arm 20 and the connecting plate 10 is close to the first counterweight 21, which is the eccentric position of the swing arm 20. When the connecting plate 10 tends to move to the right, the swing arm 20 will swing to the left. The weight of the swing arm 20 and the first counterweight 21 suppresses the rightward swaying of the connecting plate 10. With the help of the extension rod 24 made of steel cable and two counterweight balls 25, the two counterweight balls 25 can also suppress the rightward movement of the connecting plate 10, thereby suppressing the swaying of the connecting plate 10 and ensuring the stability of the hoisting. The overall structure is simple, requires no power source, and has low use and maintenance costs.

[0029] like Figure 4 and Figure 5 As shown, the anti-vibration structure also includes a clamping block 23, which is fixedly connected to the swing arm 20. The extension rod 24 is detachably connected to the clamping block 23. An installation channel 26 is provided at the end of the clamping block 23. The extension rod 24 is installed in the installation channel 26. The installation channel 26 includes a circular hole that passes through the clamping block 23 and a rectangular groove on one side. The rectangular groove is located at the front end of the clamping block 23, and the circular hole is located at the upper end of the clamping block 23. The rectangular groove and the circular hole are interconnected. The extension rod 24 passes through the rectangular groove and is fixed in the circular hole. The clamping block 23 clamps and limits the extension rod 24 by bolt locking.

[0030] To facilitate the installation of the extension rod 24, the extension rod 24 is installed through the clamping block 23 with the installation channel 26. The extension rod 24 is passed through the rectangular groove of the installation channel 26 and inserted into the round hole. The rectangular groove of the clamping block 23 is narrowed by screws, and then the clamping block 23 clamps and fixes the extension rod 24, thus realizing the installation of the extension rod 24. The counterweight ball 25 of different weights can be adjusted according to the size of the pump housing to ensure the anti-sway effect. It has the characteristics of convenient disassembly and assembly.

[0031] The working principle of this utility model is as follows: A swing arm 20 is set up, and the rotation connection point between the swing arm 20 and the connecting plate 10 is close to the first counterweight 21, i.e., the eccentric position of the swing arm 20. When the connecting plate 10 tends to move to the right, the swing arm 20 will swing to the left. The weight of the swing arm 20 and the first counterweight 21 suppresses the rightward swing of the connecting plate 10. With the help of the extension rod 24 made of steel cable and two counterweight balls 25, the two counterweight balls 25 can also suppress the rightward movement of the connecting plate 10, thereby suppressing the shaking of the connecting plate 10. In order to facilitate the installation of the extension rod 24, the extension rod 24 is installed by the clamping block 23 with the installation channel 26. The extension rod 24 is passed through the rectangular groove of the installation channel 26 and inserted into the round hole. The rectangular groove of the clamping block 23 is narrowed by the screw, and then the clamping block 23 clamps and fixes the extension rod 24, thereby realizing the installation of the extension rod 24.

[0032] The water pump's cast housing is held by two lifting claws 11, and the water pump casting is transported by a crane. The swivel can be fixed to the end of the steel cable.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A type of anti-sway lifting device for a mobile crane using a water pump casting, characterized in that, include: The connecting plate (10) has a rotating ring rotatably connected to its top and two lifting claws (11) that can approach each other rotatably connected to its bottom. The anti-vibration structure is set on the side wall of the connecting plate (10) to suppress shaking. The anti-vibration structure includes a swing arm (20), a first counterweight (21), an extension rod (24), and a counterweight ball (25). The swing arm (20) is rotatably set on one side of the connecting plate (10). The first counterweight (21) is fixedly installed with the swing arm (20). The extension rod (24) is detachably set on one side of the swing arm (20). A counterweight ball (25) is set at each end of the extension rod (24).

2. The anti-sway lifting device for the water pump casting of the gantry crane according to claim 1, characterized in that: The swing arm (20) is a rectangular column with a shaft hole. The connecting plate (10) is fixedly installed with a rotating shaft, which is rotatably installed in the shaft hole.

3. The anti-sway lifting device for the water pump casting of the gantry crane according to claim 1, characterized in that: The first counterweight (21) is a semi-circular block, and the first counterweight (21) is fixedly installed at the lower end of the swing arm (20).

4. The anti-sway lifting device for the water pump casting of the gantry crane according to claim 1, characterized in that: The anti-vibration structure also includes a clamp (23), which is fixedly connected to the swing arm (20), and the extension rod (24) is detachably connected to the clamp (23).

5. The anti-sway lifting device for the water pump casting of the gantry crane according to claim 1, characterized in that: The extension rod (24) is a deformable columnar structure, and the counterweight ball (25) is a metal sphere.

6. The anti-sway lifting device for the water pump casting of the gantry crane according to claim 4, characterized in that: The clamping block (23) has an installation channel (26) at its end, and the extension rod (24) is installed in the installation channel (26).

7. The anti-sway lifting device for the water pump casting of the gantry crane according to claim 6, characterized in that: The installation channel (26) includes a circular hole through the clamping block (23) and a rectangular groove on one side. The rectangular groove is located at the front end of the clamping block (23), and the circular hole is located at the upper end of the clamping block (23). The rectangular groove and the circular hole are connected to each other. The extension rod (24) passes through the rectangular groove and is fixed in the circular hole. The clamping block (23) clamps and limits the extension rod (24) by bolt locking.

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