Hydraulic cylinder hoisting equipment

Abstract

The invention discloses hydraulic cylinder hoisting equipment, and relates to the technical field of hoisting equipment, a clamp for clamping a hydraulic cylinder at the moment of hoisting the hydraulic cylinder by utilizing the gravity transmission characteristic of a connecting rod mechanism in the prior art is optimized and improved, and an auxiliary clamping assembly is additionally arranged, so that the clamping force can be adjusted as required before hoisting; a soft cushion body is arranged at the contact position of the clamp and the hydraulic cylinder to prevent the hydraulic cylinder from being damaged; the hydraulic cylinder hoisting equipment has the technical effects that the hydraulic cylinder hoisting equipment is convenient to use, simple to maintain, free of energy charging, stable in hoisting, capable of achieving lossless hoisting and capable of stably clamping an inclined hydraulic cylinder.

Description

Technical Field

[0001] This invention relates to the field of hoisting equipment technology, and more particularly to a hydraulic cylinder hoisting device. Background Technology

[0002] Lifting operations are a routine procedure in the production, use, disassembly, storage and transportation of small hydraulic cylinders.

[0003] Traditional hoisting methods, which use steel wire ropes to secure hydraulic cylinders, have two major drawbacks: First, steel wire ropes are prone to scratching and damaging the paint on the surface of hydraulic cylinders, affecting their appearance quality and corrosion resistance. Secondly, the binding operation is cumbersome, and the hydraulic cylinder is prone to shaking and displacement during hoisting, making it inconvenient to use.

[0004] To overcome the above-mentioned defects, existing technologies have provided some solutions such as electric clamps specifically designed for lifting hydraulic cylinders, clamping hydraulic cylinders instantly by utilizing the weight of the clamp's jaws, and setting a soft pad between the clamp's jaws and the hydraulic cylinder to solve the above problems. However, the use of electric clamps still has drawbacks such as heavy clamp weight, inconvenience in handling, installation and use, high failure rate, need for frequent maintenance and charging, and cumbersome and complicated maintenance process; tools that use the clamp's own weight to clamp the hydraulic cylinder at the moment of lifting have serious problems with insufficient clamping force when clamping at an angle (the scenario of hydraulic cylinders being at an angle is often seen in the disassembly and assembly of hydraulic cylinders), and once they loosen, the consequences are quite serious.

[0005] Therefore, there is a need for a hydraulic cylinder hoisting device that is easy to use, simple to maintain, requires no charging, provides stable hoisting, enables non-destructive hoisting, and can stably clamp even inclined hydraulic cylinders. Summary of the Invention

[0006] This application provides a hydraulic cylinder hoisting device that solves the technical problems in the prior art, such as the need for charging and maintenance of the clamps used for hoisting hydraulic cylinders, the small clamping force for inclined hydraulic cylinders, the easy damage to the hydraulic cylinders during hoisting, and the high risk of use. It achieves the technical effects of convenient use, simple maintenance, no need for charging, stable hoisting, non-destructive hoisting, and stable clamping even for inclined hydraulic cylinders.

[0007] This application provides a hydraulic cylinder hoisting device, including a hoisting clamping assembly and an auxiliary clamping assembly; The hoisting clamping assembly is used to clamp and fix the hydraulic cylinder to be hoisted. It is fixed to the bottom of the hoisting rope. The main structure consists of multiple sets of cross-hinged connecting rods. By utilizing the gravity transmission characteristics of the connecting rod mechanism, the hydraulic cylinder is clamped during hoisting. The hoisting clamping assembly includes a top connector that is a rigid column and fixed to the hoisting rope; The auxiliary clamping assembly includes a horizontal frame, a base column, a rotating column, and a backing plate; The horizontal frame is a rigid frame arranged horizontally, with one end fixed to the side wall of the top connector; The foundation column is a rigid hollow column that is set vertically and has an open bottom surface, with the top fixed to the bottom of the horizontal frame. The rotating column is integrally threaded rod-shaped and is threadedly connected to the foundation column; The abutment is horizontally positioned, with its top surface rotatably connected to the bottom of the rotating column, and a base pad is provided at the bottom.

[0008] Furthermore, the rotating column is a vertically arranged rigid cylinder with threads on its outer wall that match the internal threads of the foundation column.

[0009] Furthermore, a handle for assisting rotation is provided on the side wall of the rotating column near the bottom.

[0010] Furthermore, the hoisting clamping assembly includes a connecting block, a connecting rod assembly, a hinge rod assembly, and a clamping plate fixed to the bottom of the top connector; The connecting rod assembly includes a first rod body and a second rod body; Both the first and second rods are obliquely placed rigid rods, and their top ends are hinged to the connecting block, with their rotation axes on the connecting block being coaxial. The hinge rod assembly includes a first hinge rod and a second hinge rod; The first hinge rod and the second hinge rod have the same structure. They are both inclined curved rods and are hinged together near the middle in an X shape. The tops of the two are respectively hinged to the bottom of the first rod and the second rod. All rotation axes of the hinge rod group and the connecting rod group have the same axial direction and are parallel to the horizontal ground. The clamping plate is a horizontally placed arc-shaped plate, and there are two of them. The two clamping plates are symmetrically arranged and respectively positioned on the sides of the first hinge rod and the second hinge rod. The longitudinal section of the two clamping plates is ( ) shaped. When the first hinge rod and the second hinge rod rotate, they drive the two clamping plates to move closer or further apart. When they move closer together, they clamp the hydraulic cylinder. Gaskets are provided on the opposite surfaces of the two plates.

[0011] Furthermore, the concave surfaces of the two clamping plates are adapted to the outer cylindrical surface of the hydraulic cylinder to be hoisted.

[0012] Furthermore, the gasket is a soft sheet made of rubber.

[0013] Preferably, the auxiliary clamping assembly further includes an outer sleeve post; The outer sleeve column is a rigid column with an open bottom and a hollow interior, which is vertically arranged and has a through hole on the side wall near the bottom. The through hole is a through hole used to insert an insertion pin; The base column is inserted into the interior of the outer column from the bottom of the outer column and is slidably positioned on the outer column along its length. A row of side holes is provided on the side wall of the foundation column; The side hole matches the insertion pin; The insertion pin normally passes through the through hole and is inserted into one of the side holes, restricting the relative movement of the base column and the outer column.

[0014] Preferably, a tension spring is positioned on the insertion pin, with one end of the tension spring fixed to the side wall of the insertion pin and the other end fixed to the side wall of the outer sleeve post, and is always in a taut state.

[0015] Preferably, it also includes a side ring, a pad strip, a pad ring, and a pad ring limiting strip; Cancel the setting of the shim on the clamp; The side ring is a rigid ring body, which serves to guide the pad ring; The pad is a horizontally placed rubber strip that can be detachably fixed to the lower part of the concave surface of the clamp. The washer ring limiting strip is a horizontally placed rigid rod with an Ω-shaped longitudinal section that opens to one side. It is used to restrain the washer ring and can be detachably fixed to the upper part of the concave surface of the clamping plate. The washer ring is a rubber ring with a C-shaped cross-section. It is made of multiple rubber flexible rods of different thicknesses and C-shaped cross-sections spliced ​​together, and is fitted and slidably positioned on the washer ring limiting strip and passes through one of the side rings.

[0016] Preferably, during use, depending on the diameter of the hydraulic cylinder to be lifted, the pad ring that is close to the pad ring limit strip can be switched by pulling to make it more suitable for the target object to be lifted, thereby ensuring the clamping effect.

[0017] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages: By optimizing and improving the existing clamping device that uses the gravity transmission characteristics of the linkage mechanism to clamp the hydraulic cylinder at the moment of lifting, an auxiliary clamping component is added to adjust the clamping force as needed before lifting. A soft pad is placed at the contact position between the clamp and the hydraulic cylinder to avoid damage to the hydraulic cylinder. This effectively solves the technical problems of existing clamping devices used for lifting hydraulic cylinders, such as the need for charging and maintenance, insufficient clamping force for inclined hydraulic cylinders, easy damage to the hydraulic cylinder during lifting, and high risk of use. As a result, the hydraulic cylinder lifting equipment achieves the technical effects of being convenient to use, simple to maintain, requiring no charging, stable lifting, enabling non-destructive lifting, and stable clamping even for inclined hydraulic cylinders. Attached Figure Description

[0018] Figure 1 This is a schematic diagram showing the positional relationship of the various components of the hydraulic cylinder hoisting equipment of this application; Figure 2 This is a schematic diagram of the external structure of the hydraulic cylinder hoisting equipment of this application; Figure 3 This is a schematic diagram showing the positional relationship between the outer columns, foundation columns, and rotating columns. Figure 4 This is a sectional view of the outer columns, foundation columns, and rotating columns; Figure 5 This is a schematic diagram showing the positional relationship between the washer ring, the side ring, and the washer ring limiting strip. Figure 6 This is a schematic diagram showing the layout relationship between the pad strips and the retaining rings on the clamping plate; Figure 7 This is a partial structural diagram of the gasket retaining strip.

[0019] In the picture: Lifting rope 001, lifting clamping assembly 100, top connector 110, connecting block 120, first rod 131, second rod 132, first hinge rod 141, second hinge rod 142, clamping plate 150, gasket 151, pad strip 152, washer ring 153, washer ring limiting strip 154, horizontal frame 210, foundation column 220, side hole 221, rotating column 230, abutment plate 240, bottom pad 241, side ring 242, outer sleeve column 250, through hole 251, insertion pin 260. Detailed Implementation

[0020] To facilitate understanding of the present invention, a more complete description of this application will be given below with reference to the accompanying drawings, which illustrate preferred embodiments of the invention. However, the invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to enable a more thorough and complete understanding of the disclosure of the present invention.

[0021] It should be noted that the terms "vertical," "horizontal," "up," "down," "left," "right," and similar expressions used in this article are for illustrative purposes only and do not represent the only possible implementation.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] Example 1

[0024] like Figure 1 and Figure 2 As shown, the hydraulic cylinder hoisting equipment of this application is fixed to the bottom of the hoisting rope 001, including a hoisting clamping assembly 100 and an auxiliary clamping assembly.

[0025] The hoisting clamping assembly 100 is used to clamp and fix the hydraulic cylinder to be hoisted. The main structure consists of multiple sets of cross-hinged connecting rods. By utilizing the gravity transmission characteristics of the connecting rod mechanism, the hoisting force is converted into pressure applied to the hydraulic cylinder during hoisting, thereby achieving clamping of the hydraulic cylinder. The hoisting clamping assembly 100 includes a top connecting body 110, a connecting block 120, a connecting rod assembly, a hinge rod assembly, and a clamping plate 150; The top connector 110 is a vertical rigid column, with its top fixed to the bottom of the suspension rope 001, serving as a connector; The connecting block 120 is fixed to the bottom of the top connector 110 and is used to provide a positioning point for the connecting rod assembly; The connecting rod assembly includes a first rod body 131 and a second rod body 132; The first rod 131 and the second rod 132 are both oblique rigid rods, and their top ends are hinged to the connecting block 120. Their rotation axes on the connecting block 120 are coaxial, and their combination forms a V-shape with the opening facing downwards. The axial direction of the rotation axis of the first rod 131 and the second rod 132 on the connecting block 120 is parallel to the horizontal ground. The hinge rod assembly includes a first hinge rod 141 and a second hinge rod 142; The first hinge rod 141 and the second hinge rod 142 have the same structure, both being inclined curved rods. They are hinged together near the middle, and their combination forms an X shape. The top ends of the first hinge rod 141 and the second hinge rod 142 are respectively hinged to the bottom of the first rod body 131 and the second rod body 132. All rotation axes of the hinge rod group and the connecting rod group have the same axial direction and are parallel to the horizontal ground. The clamping plate 150 is a horizontally placed arc-shaped plate, and there are two of them. The two clamping plates 150 are symmetrically arranged and respectively positioned on the side of the first hinge rod 141 and the second hinge rod 142 near the bottom. The longitudinal section of the two clamping plates 150 is () shaped. When the first hinge rod 141 and the second hinge rod 142 rotate, they drive the two clamping plates 150 to move closer or further apart. When they move closer together, they clamp the hydraulic cylinder. Each of the two clamping plates 150 has a gasket 151 on its opposite surface; the gasket 151 is a soft sheet, preferably made of rubber.

[0026] Preferably, the concave surfaces of the two clamping plates 150 are adapted to the arc surface (outer cylindrical surface) of the side wall of the hydraulic cylinder to be hoisted.

[0027] The auxiliary clamping assembly is used to apply force to the hoisting clamping assembly 100 in a timely manner, thereby assisting the hoisting clamping assembly 100 in stabilizing the clamping hydraulic cylinder. The auxiliary clamping assembly includes a horizontal frame 210, a base column 220, a rotating column 230, and a stop plate 240; The horizontal frame 210 is a rigid frame arranged horizontally. Its main body is rod-shaped or plate-shaped, and one end is fixed to the side wall of the top connector 110, which plays the role of bearing support and transmitting force. The foundation column 220 is a rigid hollow column that is set vertically and has an open bottom surface. The top is fixed to the bottom of the horizontal frame 210 away from the top connector 110. The internal space is cylindrical and the inner side wall is threaded. The rotating column 230 is a vertically arranged rigid cylinder with a thread on its outer wall that matches the internal thread of the base column 220 (i.e., it is a threaded rod in shape); the rotating column 230 passes through the base column 220 and is threadedly connected to the base column 220. The rotating column 230 has a handle near the bottom on its side wall for assisting rotation; The abutment plate 240 is a rigid rectangular plate or a rigid arc-shaped curved plate, horizontally arranged, with its top surface rotatably connected to the bottom of the rotating column 230 and coaxial with the rotating column 230, for abutting against the hydraulic cylinder; The bottom of the abutment 240 is provided with a base pad 241; the base pad 241 is a soft pad, preferably made of rubber.

[0028] When using the hydraulic cylinder hoisting equipment of this application: If the object to be lifted is a horizontally placed hydraulic cylinder, the lifting equipment is brought close to the target object, the clamps are opened by 150 degrees and moved to both sides of the target object; with the help of the gravity transmission characteristics of the linkage mechanism, the clamps are automatically tightened during lifting (and can be easily loosened when lowering), without the need for additional manual clamping. If the object to be lifted is an inclined hydraulic cylinder, after the lifting equipment with the hydraulic cylinder is close to the target object, the clamping plate 150 is opened and moved to both sides of the target object. Then, the rotating column 230 is controlled to rotate so that the auxiliary clamping component extends and contacts the hydraulic cylinder. The force is transmitted to make the clamping plate 150 clamp stably for subsequent stable transportation.

[0029] To enable the auxiliary clamping component to complete adjustments more quickly and conveniently, preferably, such as Figure 3 and Figure 4As shown, the auxiliary clamping assembly also includes an outer sleeve post 250; the outer sleeve post 250 is a rigid column with an open bottom and a hollow interior, vertically arranged, with a through hole 251 near the bottom on its side wall; the through hole 251 is a through hole for inserting an insertion pin 260; the base post 220 is inserted into the interior of the outer sleeve post 250 from the bottom and slides along the length of the outer sleeve post 250 and is positioned on the outer sleeve post 250; the side wall of the base post 220 is provided with a row of side holes 221; the side holes 221 match the insertion pin 260; the insertion pin 260 normally passes through the through hole 251 and is inserted into one of the side holes 221, restricting the relative movement of the base post 220 and the outer sleeve post 250; when the auxiliary clamping assembly needs to be extended to assist in clamping the lifting clamping assembly 100, first pull out the insertion pin 260 and adjust the length of the auxiliary clamping assembly significantly, and then fine-tune the length of the auxiliary clamping assembly by rotating the rotating post 230.

[0030] Preferably, a tension spring is positioned on the insertion pin 260, with one end of the tension spring fixed to the side wall of the insertion pin 260 and the other end fixed to the side wall of the outer sleeve post 250, and is always in a taut state.

[0031] The technical solutions described in the embodiments of this application have at least the following technical effects or advantages: This invention solves the technical problems in existing technologies, such as the need for power-up and maintenance of clamps used for lifting hydraulic cylinders, insufficient clamping force for inclined hydraulic cylinders, easy damage to hydraulic cylinders during lifting, and high risk of use. It achieves the technical effects of convenient use, simple maintenance, no need for power-up, stable lifting, non-destructive lifting, and stable clamping even for inclined hydraulic cylinders.

[0032] Example 2

[0033] To further improve the applicability of the hydraulic cylinder hoisting equipment of this application and enable it to easily adapt to more specifications of hydraulic cylinders, this embodiment adds two vertically placed side rings 242 to both sides of the abutment plate 240 based on the above embodiment, eliminates the setting of the gasket 151 on the clamping plate 150, and adds a pad strip 152, a washer ring 153, and a washer ring limiting strip 154 ​​for limiting the movement of the washer ring 153 on it; specifically: For ease of description and understanding, only the structure and position of the pad strip 152, the washer ring 153, and the washer ring limiting strip 154 ​​on one of the clamping plates 150 will be described here. like Figures 5 to 7 As shown, the side ring 242 is a rigid ring that guides the pad ring 153; The pad 152 is a horizontally placed rubber strip that can be detachably fixed to the lower part of the concave surface of the clamp 150; The washer ring limiting strip 154 ​​is a horizontally placed rigid rod with an Ω-shaped longitudinal section with the opening facing one side. It is used to restrain the washer ring 153 and can be detachably fixed to the upper part of the concave surface of the clamping plate 150. The washer ring 153 is a rubber ring with a C-shaped cross section. It is made of multiple rubber flexible rods of different thicknesses and C-shaped cross sections spliced ​​together. It is sleeved and slidably positioned on the washer ring limiting strip 154 ​​and passes through one of the side rings 242.

[0034] When in use, depending on the diameter of the hydraulic cylinder to be lifted, the pad ring 153 that is close to the pad ring limit strip 154 ​​can be switched by pulling to make it more suitable for the target object to be lifted and thus ensure the clamping effect.

[0035] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. For those skilled in the art, the present invention can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A hydraulic cylinder hoisting device, characterized in that: Includes a hoisting clamping assembly (100) and an auxiliary clamping assembly; The hoisting clamping assembly (100) is used to clamp and fix the hydraulic cylinder to be hoisted. It is fixed to the bottom of the hoisting rope (001). The main structure is a series of cross-hinged connecting rods. By means of the gravity transmission characteristics of the connecting rod mechanism, the hydraulic cylinder is clamped during hoisting. The hoisting clamping assembly (100) includes a top connector (110) that is a rigid column and fixed to the hoisting rope (001); The auxiliary clamping assembly includes a horizontal frame (210), a base column (220), a rotating column (230), and a stop plate (240); The horizontal frame (210) is a rigid frame arranged horizontally, with one end fixed to the side wall of the top connector (110); The foundation column (220) is a rigid hollow column with a vertical setting and an open bottom surface, and its top is fixed to the bottom of the horizontal frame (210); The rotating column (230) is a threaded rod in shape and is threadedly connected to the base column (220); The abutment plate (240) is horizontally arranged, and its top surface is rotatably connected to the bottom of the rotating column (230). The bottom is provided with a base pad (241).

2. The hydraulic cylinder hoisting equipment as described in claim 1, characterized in that: The rotating column (230) is a vertically arranged rigid cylinder with a thread on its outer wall that matches the internal thread of the base column (220).

3. The hydraulic cylinder hoisting equipment as described in claim 1, characterized in that: The rotating column (230) has a handle near the bottom on its side wall for assisting rotation.

4. The hydraulic cylinder hoisting equipment as described in claim 1, characterized in that: The hoisting clamping assembly (100) includes a connecting block (120) fixed to the bottom of the top connector (110), a connecting rod assembly, a hinge rod assembly, and a clamping plate (150); The connecting rod assembly includes a first rod (131) and a second rod (132); The first rod (131) and the second rod (132) are both oblique rigid rods, and their top ends are both hinged to the connecting block (120), and their rotation axes on the connecting block (120) are coaxial. The hinge rod assembly includes a first hinge rod (141) and a second hinge rod (142); The first hinge rod (141) and the second hinge rod (142) have the same structure. They are both inclined curved rods. They are hinged together near the middle, forming an X shape. The tops of the two are respectively hinged to the bottom of the first rod (131) and the second rod (132). All rotation axes of the hinge rod group and the connecting rod group have the same axial direction and are parallel to the horizontal ground. The clamping plate (150) is a horizontally placed arc-shaped plate, and there are two of them. The two clamping plates (150) are symmetrically arranged and respectively positioned on the sides of the first hinge rod (141) and the second hinge rod (142). The longitudinal section of the two clamping plates (150) is ( ) shaped. When the first hinge rod (141) and the second hinge rod (142) rotate, they drive the two clamping plates (150) to move closer to each other or further away from each other. When they move closer to each other, they clamp the hydraulic cylinder. Gaskets (151) are provided on the opposite surfaces of the two clamping plates (150).

5. The hydraulic cylinder hoisting equipment as described in claim 4, characterized in that: The concave surfaces of the two clamping plates (150) are adapted to the outer cylindrical surfaces of the hydraulic cylinder to be lifted.

6. The hydraulic cylinder hoisting equipment as described in claim 4, characterized in that: The gasket (151) is a soft sheet made of rubber.

7. The hydraulic cylinder hoisting equipment as described in claim 4, characterized in that: The auxiliary clamping assembly also includes an outer sleeve post (250); The outer column (250) is a rigid column with an open bottom and a hollow interior, which is vertically arranged and has a through hole (251) on its side wall near the bottom. The through hole (251) is a through hole used to insert the insertion pin (260); The base column (220) is inserted into the interior of the outer column (250) from the bottom of the outer column (250) and is slidably positioned on the outer column (250) along the length direction of the outer column (250); The foundation column (220) has a row of side holes (221) on its side wall; The side hole (221) matches the insertion pin (260); The insertion pin (260) normally passes through the through hole (251) and is inserted into one of the side holes (221) to restrict the relative movement of the base column (220) and the outer column (250).

8. The hydraulic cylinder hoisting equipment as described in claim 7, characterized in that: A tension spring is positioned on the insertion pin (260). One end of the tension spring is fixed to the side wall of the insertion pin (260), and the other end is fixed to the side wall of the outer sleeve post (250), and it is always in a taut state.

9. The hydraulic cylinder hoisting equipment as described in claim 4, characterized in that: It also includes a side ring (242), a pad strip (152), a pad ring (153), and a pad ring limiting strip (154); Cancel the setting of the gasket (151) on the clamping plate (150); The side ring (242) is a rigid ring body, which plays a guiding role for the pad ring (153); The pad (152) is a horizontally placed rubber strip that can be detachably fixed to the lower part of the concave surface of the clamp (150); The pad ring limiting strip (154) is a horizontal rigid rod with an Ω-shaped longitudinal section with the opening facing one side. It is used to restrain the pad ring (153) and can be detachably fixed to the upper part of the concave surface of the clamping plate (150). The gasket (153) is a rubber ring with a C-shaped cross section. It is made of multiple rubber flexible rods of different thicknesses and with C-shaped cross sections, and is fitted and slidably positioned on the gasket limiting strip (154) and passes through one of the side rings (242).

10. The hydraulic cylinder hoisting equipment as described in claim 9, characterized in that: When in use, depending on the diameter of the hydraulic cylinder to be lifted, the pad ring (153) that is close to the pad ring limit strip (154) can be switched by pulling to make it more suitable for the target object to be lifted and thus ensure the clamping effect.

Images