A lifting device suitable for use with a hydraulic cylinder

Abstract

The application discloses a hoisting device suitable for a hydraulic cylinder and relates to the technical field of hoisting equipment, which hooks the hydraulic cylinder by using a hook-shaped structure and converts the gravity of the hydraulic cylinder into clamping force of the hydraulic cylinder by using a lever structure to realize automatic clamping and fixing of the hydraulic cylinder during hoisting, is small in overall volume and does not need a large operation space; and the hoisting device suitable for the hydraulic cylinder is convenient to use, light in weight, simple to maintain, does not need charging, stable to hoist, can realize lossless hoisting, high in applicability and small in required operation space.

Description

Technical Field

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

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

[0003] Traditional hoisting methods, which involve tying the hydraulic cylinder with wire ropes or using grippers with independent power sources to clamp and secure it, have the following drawbacks:

[0004] Steel wire ropes are easily scratched and damaged, which can affect the paint on the surface of hydraulic cylinders, thus affecting their appearance quality and corrosion resistance.

[0005] The wire rope binding operation is cumbersome, and the hydraulic cylinder is prone to shaking and displacement during hoisting, making it inconvenient to use.

[0006] Grippers with independent power sources are generally heavy, inconvenient to use, have a relatively high failure rate, and require frequent charging and maintenance, resulting in higher manufacturing and usage costs.

[0007] Grippers with independent power sources are generally large in size and require a large actual working space. They are difficult to arrange and use when there are many obstacles on both sides of the hydraulic cylinder and they are close to each other. Their applicability is poor and seriously affects the smooth progress of hoisting.

[0008] Therefore, there is a need for a lifting device suitable for hydraulic cylinders that is easy to use, lightweight, simple to maintain, requires no charging, provides stable lifting, enables non-destructive lifting, and requires minimal working space. Summary of the Invention

[0009] This application provides a lifting device suitable for hydraulic cylinders, which solves the technical problems of easy damage to hydraulic cylinders and cumbersome operation when lifting hydraulic cylinders in the prior art, as well as the technical problems of high cost, large size, heavy weight, poor stability, inconvenience of use, need for frequent maintenance and charging, poor applicability, and large working space required by the existing devices. It achieves the technical effects of a lifting device suitable for hydraulic cylinders that is convenient to use, lightweight, simple to maintain, requires no charging, stable lifting, can achieve non-destructive lifting, has strong applicability, and requires less working space.

[0010] This application provides a hoisting device suitable for hydraulic cylinders, including a carrier and a fixing unit;

[0011] The carrier is a vertically placed U-shaped frame or a horizontally placed rigid strip, which is fixed to the hook of the crane by slings;

[0012] The number of fixing units is two, both positioned at the bottom of the carrier frame, including connecting ropes and carrier fixing bodies;

[0013] The top of the connecting rope is fixed to the bottom of the carrier, and the distance between the fixing points of the two connecting ropes on the carrier is greater than 40 cm.

[0014] The carrier fixing body includes a basic hook body, a rotating pressure rod, and a combination pin;

[0015] The basic hook body is a C-shaped rigid hook with a strip-shaped soft pad fixed on its concave surface and a pin hole near the top.

[0016] The rotating pressure bar is a rigid straight bar, which is detachably and fixedly connected by a combination pin and rotatably connected to the position near the top of the base hook body. The axial direction of the rotating shaft is the same as the width direction of the strip-shaped soft pad.

[0017] The end of the rotating pressure rod near the base hook is an inclined surface, with a sheet-like pad fixed on the end face, and the top end fixed to the bottom of the connecting rope.

[0018] Furthermore, the rotating pressure rod is provided with a row of combined holes along its own length direction;

[0019] When in use, adjust the combination position of the rotating pressure rod and the foundation hook as needed, according to the diameter of the hydraulic cylinder to be lifted.

[0020] Furthermore, the carrier includes a strip-shaped frame and a top frame; the strip-shaped frame is a horizontally placed long strip; the top frame is located directly above the strip-shaped frame and fixed to the strip-shaped frame, and is a U-shaped rigid support with an opening facing downwards, and the sling passes through the space enclosed by the strip-shaped frame and the top frame when in use.

[0021] Preferably, when fixing the carrier, the distance between the two carrier fixing bodies is greater than the distance between the fixing points of the connecting ropes on the carrier, so that the two connecting ropes are arranged in a figure-eight shape during hoisting.

[0022] Preferably, it also includes a positioning component and a pre-stressing component;

[0023] The number of the receiving and positioning components is two, the main body of which is a horizontal rigid tube, and they are respectively positioned on the opposite surface of the two rotating pressure rods near the top.

[0024] The pre-force application component includes a telescopic positioning rod assembly and a telescopic pressure application assembly;

[0025] The telescopic positioning rod assembly includes a telescopic carrier rod and two insertion blocks positioned at both ends of the telescopic carrier rod;

[0026] The telescopic support rod is a manual telescopic rod with ball joints at both ends connected to two insertion blocks;

[0027] The insertion block is adapted to the receiving and positioning component and is inserted into the receiving and positioning component during use;

[0028] The telescopic pressure assembly includes a top sleeve, a vertical telescopic rod, and a bottom pressure plate;

[0029] The top sleeve is fitted onto the telescopic support rod;

[0030] The vertical telescopic rod is a manually operated telescopic rod installed vertically, with one end fixed to the outer wall of the top sleeve;

[0031] The bottom pressure plate is an arc-shaped plate with its concave surface facing downwards, and its top is positioned at the bottom of the vertical telescopic rod. The concave surface is provided with a rubber pad.

[0032] Preferably, the angle of the hydraulic cylinder to be lifted is set in advance using the pre-force application component to facilitate subsequent installation work.

[0033] Preferably, it also includes two rope winding bodies;

[0034] The rope winding body is a manual drum, which corresponds one-to-one with the connecting pull rope and is positioned on the frame. It is used to wind up and release the connecting pull rope.

[0035] The distance between the two rope coils is greater than 40 centimeters;

[0036] The top ends of the two connecting ropes are respectively wound and positioned on the two rope winding bodies;

[0037] During use, the length of the exposed connecting rope can be adjusted as needed to adjust the height difference between the two carrier fixing bodies, thereby adapting to hydraulic cylinders in different postures.

[0038] Preferably, it also includes a restraint component;

[0039] The restraint assembly includes a roll carrier, a horizontal roll positioned within the roll carrier, a restraint strap, an end fixing strip, and multiple matching hooks positioned on a vertical telescopic rod;

[0040] The roll carrier is a strip-shaped hollow box with a through groove on one side for the binding strap to pass through, and is fixed to the top of the bottom pressure plate;

[0041] The horizontally positioned drum is a horizontally positioned drum, located inside the drum carrier box;

[0042] The restraint strap is a metal mesh elastic band and / or a rubber elastic band, with one end wrapped and positioned on a horizontally placed drum;

[0043] The end fixing strip is a rigid long strip, fixed to the other end of the restraint strap; the side of the end fixing strip is provided with a groove that matches the matching hook;

[0044] The matching hooks are rigid hooks arranged in a row along the length of the vertical telescopic rod to support and fix the end fixing strip.

[0045] Preferably, the restraint strap has a two-layer structure, consisting of an elastic rubber strip and an elastic mesh metal strip.

[0046] Preferably, the carrier fixing body is further provided with an abutting pressure body;

[0047] The overall pressure-applying body is rod-shaped, comprising two combined tubes, a telescopic abutment rod, and two insertion posts that match the combined tubes;

[0048] The combined pipe is a rigid pipe body. Both combined pipes are horizontally placed and each is fixed at one end to the side wall of the base hook body near the top. Both combined pipes are positioned on the opposite surfaces of the two base hook bodies.

[0049] The telescopic abutment is a horizontally positioned, manually operated telescopic abutment;

[0050] All the insert posts are cylindrical, and the two ends of the telescopic abutment are respectively ball-jointed with the ends of the two insert posts;

[0051] Before lifting, considering the potential risk of slippage, after arranging the pre-force application components, the opposing pressure body was also arranged, so that the opposing pressure body, the two rotating pressure rods and the pre-force application components together form an isosceles trapezoid.

[0052] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0053] By providing a lifting device suitable for hydraulic cylinders, a hook-like structure is used to hook the hydraulic cylinder, and a lever structure is used to convert the weight of the hydraulic cylinder into a clamping force to automatically clamp and fix the hydraulic cylinder during lifting. The overall size is small and does not require a large working space. It effectively solves the technical problems of easy damage to hydraulic cylinders and cumbersome operation when lifting hydraulic cylinders in the prior art, as well as the technical problems of high cost, large size, heavy weight, poor stability, inconvenience of use, frequent maintenance and charging, poor applicability, and large working space required by the existing devices. Thus, the lifting device suitable for hydraulic cylinders achieves the technical effects of convenient use, light weight, simple maintenance, no need for charging, stable lifting, non-destructive lifting, strong applicability, and small working space requirement. Attached Figure Description

[0054] Figure 1 This is a schematic diagram of the overall structure of the hoisting device for hydraulic cylinders applicable to this application;

[0055] Figure 2 This is a structural schematic diagram of the carrier fixing body;

[0056] Figure 3 This is a schematic diagram showing the state when two fixed units are arranged in a figure-eight shape.

[0057] Figure 4 This is a schematic diagram showing the positional relationship between the lifting device and the hydraulic cylinder to which this application applies;

[0058] Figure 5 A schematic diagram showing the positional relationship between the carrier fixing body and the pre-force application component;

[0059] Figure 6 This is a schematic diagram showing the positional relationship between the rotating pressure rod and the insertion tube;

[0060] Figure 7 This is a schematic diagram of the external structure of the pre-stressed component;

[0061] Figure 8 This is a structural schematic diagram of a telescopic support pole;

[0062] Figure 9 This is a schematic diagram showing the positional relationship between the rope winding body and the fixing unit.

[0063] Figure 10 A simplified diagram showing the positional relationship between the rope winding body and the connecting rope;

[0064] Figure 11 This is a schematic diagram showing the positional relationship between the restraint components, the vertical telescopic rod, and the bottom pressure plate.

[0065] Figure 12 A simplified structural diagram of the restraint component;

[0066] Figure 13 This is a simplified diagram of the restraint strap structure;

[0067] Figure 14 This is a schematic diagram of the external structure of the restraint strap;

[0068] Figure 15 A schematic diagram showing the positional relationship between the pressure bar and the foundation hook;

[0069] Figure 16 This is a schematic diagram of the telescopic stop bar.

[0070] In the picture:

[0071] Hydraulic cylinder 001, carrier frame 100, rope winding body 110, connecting pull rope 200, carrier fixing body 300, foundation hook body 310, strip soft pad 311, rotating pressure rod 320, combination hole 321, sheet pad body 322, combination pin 330, top lifting lug 340, insertion tube 410, tube rack 420, telescopic carrier rod 430, insertion block 440, vertical telescopic rod 450, top sleeve 451, bottom pressure plate 460, horizontal drum 510, drum carrier box 520, restraint strap 530, end fixing strip 540, matching hook 550, combination tube 610, telescopic abutment rod 620, insertion column 630, side rod 640, connecting frame 650. Detailed Implementation

[0072] 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.

[0073] 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.

[0074] 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.

[0075] Example 1

[0076] like Figures 1 to 3 As shown, the present application applies to a lifting device for hydraulic cylinders 001, which is used to lift hydraulic cylinder 001. When in use, it is hung on the hook of a crane with the aid of a sling, and includes a carrier 100 and a fixing unit.

[0077] The carrier 100 is a vertically placed U-shaped frame or a horizontal rigid strip with points on top for slings to pass through. It is fixed to the crane hook by slings and serves as a connection and load-bearing support.

[0078] The fixing unit is used to fix the hydraulic cylinder 001. There are two units, both of which are positioned at the bottom of the carrier 100 and are arranged symmetrically. They include a connecting rope 200 and a carrier fixing body 300.

[0079] The connecting rope 200 is a steel wire rope with a length of more than 1 meter. One end (top) is fixed to the bottom of the carrier 100, and the other end is fixed to the top of the carrier fixing body 300. It is always taut during hoisting.

[0080] The distance between the fixing points of the two connecting ropes 200 of the two fixed units on the carrier 100 is greater than 40 cm;

[0081] The carrier fixing body 300 includes a basic hook body 310, a rotating pressure rod 320, a combination pin 330, and a top lifting lug 340;

[0082] The basic hook body 310 is a C-shaped rigid hook, and a strip-shaped soft pad 311 is fixed on its concave surface to provide protection, cushioning and increase friction; the strip-shaped soft pad 311 is a strip-shaped pad made of rubber.

[0083] The basic hook body 310 is provided with a pin hole near the top for the combination pin 330 to pass through;

[0084] The rotating pressure rod 320 is a rigid straight rod, which is detachably and fixedly connected to the base hook body 310 near the top end by a combination pin 330. The axial direction of the rotating shaft is the same as the width direction of the strip-shaped soft pad 311.

[0085] The rotating pressure rod 320 has a row of combination holes 321 along its length; the combination holes 321 are circular through holes that are adapted to the combination pins 330; in use, the combination position of the rotating pressure rod 320 and the base hook 310 is adjusted as needed according to the diameter of the hydraulic cylinder 001 to be lifted (the combination pins 330 are used to pass through one of the combination holes 321 to position the rotating pressure rod 320 on the base hook 310 as needed).

[0086] The combination pin 330 is a manual pin, preferably a combination of a hard cylindrical pin and an R-shaped clip;

[0087] The end of the rotating pressure rod 320 near the base hook 310 is a bevel with a sharp angle of 30 to 50 degrees. A sheet-like pad 322 is fixed on the end face. The sheet-like pad 322 is a rubber pad. During hoisting, the end face of the rotating pressure rod 320 presses the outer cylindrical surface of the hydraulic cylinder 001 to be hoisted through the sheet-like pad 322.

[0088] The top lifting lug 340 is positioned at the end of the rotating pressure rod 320 away from the base hook 310, and is a rigid ring or U-shaped lifting lug, which serves to connect and fix it; the top lifting lug 340 is fixed to the bottom end of the connecting pull rope 200.

[0089] Furthermore, the carrier 100 includes a strip-shaped frame and a top frame; the strip-shaped frame is a horizontally placed long strip; the top frame is located directly above the strip-shaped frame and fixed to the strip-shaped frame, and is a U-shaped rigid support with an opening facing downwards, and the sling passes through the space enclosed by the strip-shaped frame and the top frame when in use.

[0090] Preferably, the rotating pressure rod 320 is rotatably connected to the base hook body 310.

[0091] This application applies to the use of lifting devices with hydraulic cylinders:

[0092] First, adjust the relative position of the rotating pressure rod 320 and the foundation hook 310 as needed, according to the diameter of the hydraulic cylinder 001 to be hoisted.

[0093] Then, the lifting device applicable to the hydraulic cylinder of this application is lifted and moved to the target position (the position where the hydraulic cylinder 001 needs to be lifted) using slings.

[0094] Two basic hooks 310 are fitted onto the hydraulic cylinder 001 to be lifted, and the rotating pressure rod 320 is rotated so that the sheet pad 322 abuts against the outer cylindrical surface of the hydraulic cylinder 001.

[0095] The crane is controlled to lift the lifting device applicable to the hydraulic cylinder of this application, so that the connecting rope 200 is taut. At this time, the gravity of the hydraulic cylinder 001 (which can also be understood as the tension of the connecting rope 200) is converted into the pressure of the rotating pressure rod 320 on the hydraulic cylinder 001, and the two carrier fixing bodies 300 are simultaneously fixed on the hydraulic cylinder 001.

[0096] Then, the hydraulic cylinder 001 is hoisted; after the hydraulic cylinder 001 lands, the fixing of the carrier body 300 will automatically loosen as the connecting rope 200 is relaxed.

[0097] Preferred, such as Figure 4 As shown, in order to ensure the stability of the hoisting and prevent the hydraulic cylinder 001 from sliding and loosening during the hoisting process, when fixing the carrier fixing body 300, the distance between the two carrier fixing bodies 300 is greater than the distance between the fixing points of the connecting rope 200 on the carrier frame 100, so that the two connecting ropes 200 are arranged in a figure-eight shape during hoisting.

[0098] The technical solutions described in the embodiments of this application have at least the following technical effects or advantages:

[0099] This invention solves the technical problems of easy damage to hydraulic cylinders and cumbersome operation when hoisting hydraulic cylinders in existing technologies, as well as the technical problems of high cost, large size, heavy weight, poor stability, inconvenience of use, frequent maintenance and recharging, and large working space required by the devices used. It achieves the technical effects of a hoisting device suitable for hydraulic cylinders that is convenient to use, lightweight, simple to maintain, requires no recharging, stable in hoisting, can achieve non-destructive hoisting, and requires less working space.

[0100] Example 2

[0101] To further improve the safety and stability of the hoisting process, this embodiment adds a receiving and positioning component and a pre-force application component to the above embodiment. By applying force to the rotating pressure rod 320 before hoisting, the carrier fixing body 300 is pressed and clamped by the hydraulic cylinder 001. Specifically:

[0102] like Figures 5 to 7 As shown, there are two receiving and positioning components, which are respectively positioned on the opposite surfaces of the two rotating pressure rods 320 near the top, including the insertion tube 410 and the tube support 420;

[0103] The insertion tube 410 is a rigid tube body, with its axial direction being the same as the width direction of the strip-shaped soft pad 311. It is fixed to the top of the rotating pressure rod 320 by the tube frame 420; the tube frame 420 is a rigid support.

[0104] The pre-force application component includes a telescopic positioning rod assembly and a telescopic pressure application assembly;

[0105] The telescopic positioning rod assembly includes a telescopic carrier rod 430 and two insertion blocks 440 positioned at both ends of the telescopic carrier rod 430;

[0106] like Figure 8 As shown, the telescopic support rod 430 is a manual telescopic rod, a threaded telescopic rod and / or a plug-in telescopic rod whose extension and retraction are restricted by a pin and a pin hole; the two ends of the telescopic support rod 430 are ball-jointed on two insertion blocks 440;

[0107] The insertion block 440 is a cylindrical block, one end of which is ball-jointed with the end of the telescopic support rod 430 and is adapted to the insertion tube 410. When in use, it is inserted into the insertion tube 410.

[0108] The telescopic pressure assembly includes a top sleeve 451, a vertical telescopic rod 450, and a bottom pressure plate 460;

[0109] The top sleeve 451 is a rigid tubular sleeve, which is fitted onto the telescopic support rod 430 and serves as a load-bearing and connecting element.

[0110] The vertical telescopic rod 450 is a vertically installed manual telescopic rod, with one end fixed to the outer wall of the top sleeve 451;

[0111] The bottom pressure plate 460 is an arc-shaped plate with its concave surface facing downwards. Its top is positioned at the bottom of the vertical telescopic rod 450. The concave surface is provided with a rubber pad to abut against the outer cylindrical surface of the hydraulic cylinder 001.

[0112] After the carrier fixing body 300 is fitted onto the hydraulic cylinder 001, before lifting, the pre-force application component is inserted into the receiving and positioning component. Then, the telescopic carrier rod 430 is extended, and the carrier fixing body 300 is tilted as a whole by compression. After that, the vertical telescopic rod 450 is extended, so that the bottom pressure plate 460 presses against the outer cylindrical surface of the hydraulic cylinder 001, thereby causing the rotating pressure rod 320 to rotate and press against the outer cylindrical surface of the hydraulic cylinder 001 to fix the carrier fixing body 300. During subsequent lifting, the two carrier fixing bodies 300 are less likely to slip or loosen, and the clamping position is more controllable.

[0113] The pre-force application component allows for the pre-setting of the angle of the hydraulic cylinder 001 to be lifted after it is lifted (for example, by adjusting the fixing angle of the carrier fixing body 300, the mounting hole of the hydraulic cylinder 001 can be oriented in a certain direction after it is lifted), so that subsequent installation work can be carried out.

[0114] Example 3

[0115] To further improve the applicability and practicality of the lifting device for hydraulic cylinders in this application, and to better adapt it to working conditions requiring tilted lifting, this embodiment adds two rope winding bodies 110 to the above embodiment. The length of the exposed connecting rope 200 is adjusted to adapt to different lifting requirements, specifically:

[0116] like Figure 9 and Figure 10 As shown, the rope winding body 110 is a manual drum with a ratchet structure and a ratchet unlocking mechanism, which corresponds one-to-one with the connecting pull rope 200 and is positioned on the carrier 100 for winding and releasing the connecting pull rope 200.

[0117] The distance between the two rope winding bodies 110 is greater than 40 centimeters;

[0118] The top ends of the two connecting ropes 200 are respectively wound and positioned on the two rope winding bodies 110;

[0119] During use, especially when disassembling the hydraulic cylinder 001 is required, the length of the exposed connecting rope 200 can be adjusted as needed to adjust the height difference between the two carrier fixing bodies 300, thereby adapting to the hydraulic cylinder 001 in different postures.

[0120] Preferably, the rope winding body 110 can also be a remotely operated electric drum.

[0121] Example 4

[0122] Considering that the hydraulic cylinder 001 to be disassembled will generally have some oil stains, the presence of oil stains may cause slippage during hoisting when it is fixed; therefore, preferably, a box-shaped container is positioned on the pre-force application component, and the box-shaped container is provided with a rag and / or cleaning wipes, so that the fixing area is cleaned before fixing the hoisting device applicable to the hydraulic cylinder of this application.

[0123] To further reduce the probability of slippage and increase the friction between the lifting device applicable to the hydraulic cylinder and the cylindrical surface of the hydraulic cylinder 001, this embodiment adds a restraining component based on the above embodiment. The restraining component, with a main body in the shape of a roll, further ensures the stability of the lifting operation, making it less prone to slippage even if the hydraulic cylinder 001 to be lifted has a large tilt angle. Specifically:

[0124] like Figure 11 and Figure 12 As shown, the restraint assembly includes a roll carrier 520, a horizontal roll 510 positioned within the roll carrier 520, a restraint strap 530, an end fixing strip 540, and a plurality of matching hooks 550 positioned on a vertical telescopic rod 450.

[0125] The roll carrier 520 is a strip-shaped hollow box with a through groove on one side for the binding strap 530 to pass through, and is fixed to the top of the bottom pressure plate 460;

[0126] The horizontally placed drum 510 is a horizontally placed drum, positioned inside the drum carrier 520, with a built-in coil spring, and always has the tendency to wind up the binding strap 530.

[0127] The restraint strap 530 is a metal mesh elastic band and / or a rubber elastic band, with one end wrapped and positioned on the horizontally placed drum 510.

[0128] The end fixing strip 540 is a rigid long strip, which is fixed to the other end of the restraint strap 530; the side of the end fixing strip 540 is provided with a groove that is adapted to the matching hook 550.

[0129] The matching hook 550 is a rigid hook, arranged in a row along the length of the vertical telescopic rod 450, and is used to support and fix the end fixing strip 540.

[0130] In use, after the carrier fixing body 300 is fixed, the horizontal drum 510 releases the restraint strap 530 by manually pulling the end fixing strip 540. Then, while keeping the restraint strap 530 taut, it is wrapped around the hydraulic cylinder 001 to be lifted once (or multiple times) and then fixed on one of the matching hooks 550.

[0131] Preferred, such as Figure 13 As shown, the restraint strap 530 has a two-layer structure, consisting of an elastic rubber strip and an elastic mesh metal strip.

[0132] Preferably, during use, the rubber portion of the restraint strap 530 is in close contact with the hydraulic cylinder 001, such as... Figure 14 As shown, the surface closely attached to the hydraulic cylinder 001 is covered with anti-slip textures.

[0133] Preferably, to further enhance the anti-slip effect of the lifting device applicable to hydraulic cylinders in this application, such as... Figure 15As shown, the carrier fixing body 300 is also provided with an abutting pressure body; the abutting pressure body is rod-shaped and includes two combined tubes 610, one telescopic abutting rod 620, and two insertion posts 630 that match the combined tubes 610; the combined tubes 610 are rigid tubes, both combined tubes 610 are horizontally placed and each is fixed at one end to the side wall of the base hook body 310 near the top, and both combined tubes 610 are positioned on the opposite surfaces of the two base hook bodies 310; the telescopic abutting rod 620 is a horizontally placed manually telescopic rod. The rod; all the insertion columns 630 are cylindrical, and the two ends of the telescopic abutment rod 620 are respectively ball-jointed with the ends of the two insertion columns 630; before lifting, considering the possible risk of slippage (for example, when it is necessary to lift a hydraulic cylinder 001 with a large angle of inclination), after arranging the pre-force application component, the abutment pressure body is also arranged (when arranging the abutment pressure body, the two insertion columns 630 are inserted into the two combined pipes 610), so that the abutment pressure body, the two rotating pressure rods 320 and the pre-force application component together form an isosceles trapezoid, reducing the risk of slippage.

[0134] Preferably, the telescopic stop bar 620 is normally detachably fixed to the telescopic support bar 430 and can be removed when needed.

[0135] Preferred, such as Figure 16 As shown, to avoid interference between the telescopic abutment rod 620 and the vertical telescopic rod 450 during arrangement, the telescopic abutment rod 620 includes two side rods 640 and a connecting frame 650; the connecting frame 650 is a U-shaped rigid frame, and after the abutment pressure rod is arranged, the opening of the connecting frame 650 faces the vertical telescopic rod 450; the side rods 640 are manual telescopic rods, located on both sides of the connecting frame 650, each fixed at one end to the connecting frame 650, and the two side rods 640 are coaxial.

[0136] 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 hoisting device suitable for hydraulic cylinders, characterized in that: Includes a carrier (100) and a fixing unit; The carrier (100) is a vertically placed U-shaped frame or a horizontally placed rigid strip, which is fixed to the hook of the crane by slings; The number of fixing units is two, both positioned at the bottom of the carrier (100), including a connecting rope (200) and a carrier fixing body (300); The top end of the connecting rope (200) is fixed to the bottom of the carrier (100), and the distance between the fixing points of the two connecting ropes (200) on the carrier (100) is greater than 40 cm; The carrier fixing body (300) includes a basic hook body (310), a rotating pressure rod (320), and a combination pin (330); The basic hook body (310) is a C-shaped rigid hook with a strip-shaped soft pad (311) fixed on its concave surface and a pin hole near the top. The rotating pressure bar (320) is a rigid straight bar, which is detachably and fixedly connected to the base hook body (310) near the top end by a combination pin (330), and the axial direction of the rotating shaft is the same as the width direction of the strip-shaped soft pad (311). The end of the rotating pressure rod (320) near the base hook (310) is inclined, and a sheet-like pad (322) is fixed on the end face, with the top end fixed to the bottom end of the connecting pull rope (200); The rotating pressure rod (320) has a row of combined holes (321) along its own length direction; When in use, adjust the combination position of the rotating pressure rod (320) and the foundation hook (310) as needed according to the diameter of the hydraulic cylinder (001) to be lifted; It also includes the positioning component and the pre-stressing component; The number of the receiving and positioning components is two, the main body of which is a horizontal rigid tube, and they are respectively positioned on the opposite surface of the two rotating pressure rods (320) near the top. The pre-force application component includes a telescopic positioning rod assembly and a telescopic pressure application assembly; The telescopic positioning rod assembly includes a telescopic carrier rod (430) and two insertion blocks (440) positioned at both ends of the telescopic carrier rod (430); The telescopic support rod (430) is a manual telescopic rod, with ball joints at both ends connected to two insertion blocks (440); The insertion block (440) is adapted to the receiving and positioning component and is inserted into the receiving and positioning component when in use; The telescopic pressure assembly includes a top sleeve (451), a vertical telescopic rod (450), and a bottom pressure plate (460); The top sleeve (451) is fitted onto the telescopic support rod (430); The vertical telescopic rod (450) is a vertically installed manual telescopic rod, with one end fixed to the outer wall of the top sleeve (451); The bottom pressure plate (460) is an arc-shaped plate with its concave surface facing downwards. Its top is positioned at the bottom of the vertical telescopic rod (450), and a rubber pad is provided on the concave surface. The carrier fixing body (300) is also provided with an abutting pressure body; The overall pressure-applying body is rod-shaped, including two combined tubes (610), one telescopic abutment rod (620), and two insertion posts (630) that match the combined tubes (610); The combined tube (610) is a rigid tube. Both combined tubes (610) are horizontally placed and each is fixed at one end on the side wall of the base hook (310) near the top. Both combined tubes (610) are positioned on the opposite surfaces of the two base hooks (310). The telescopic abutment (620) is a horizontally placed manual telescopic abutment; All the insertion posts (630) are cylindrical, and the two ends of the telescopic abutment (620) are respectively ball-jointed with the ends of the two insertion posts (630); Before lifting, considering the potential risk of slippage, after arranging the pre-force application component, the opposing pressure body is also arranged, so that the opposing pressure body, the two rotating pressure rods (320) and the pre-force application component together form an isosceles trapezoid.

2. The hoisting device suitable for hydraulic cylinders as described in claim 1, characterized in that: The carrier (100) includes a strip frame and a top frame; the strip frame is a horizontally placed long strip; the top frame is located directly above the strip frame and fixed on the strip frame, and is a U-shaped rigid support with an opening facing downwards. When in use, the sling passes through the space enclosed by the strip frame and the top frame.

3. The hoisting device suitable for hydraulic cylinders as described in claim 1, characterized in that: When fixing the carrier body (300), the distance between the two carrier bodies (300) is greater than the distance between the fixing points of the connecting rope (200) on the carrier (100), so that the two connecting ropes (200) are arranged in a figure-eight shape during hoisting.

4. The hoisting device suitable for hydraulic cylinders as described in claim 1, characterized in that: The angle of the hydraulic cylinder (001) to be lifted is set in advance using the pre-forced component to facilitate subsequent installation work.

5. The hoisting device suitable for hydraulic cylinders as described in claim 1, characterized in that: It also includes two rope winding bodies (110); The rope winding body (110) is a manual drum, which corresponds one-to-one with the connecting pull rope (200) and is positioned on the carrier (100) for winding and releasing the connecting pull rope (200); The distance between the two rope winding bodies (110) is greater than 40 cm; The top ends of the two connecting ropes (200) are respectively wound and positioned on the two rope winding bodies (110); During use, the length of the exposed connecting rope (200) can be adjusted as needed to adjust the height difference between the two carrier fixing bodies (300), thereby adapting to the hydraulic cylinder (001) in different postures.

6. The hoisting device suitable for hydraulic cylinders as described in claim 5, characterized in that: It also includes restraint components; The restraint assembly includes a roll carrier (520), a horizontal roll (510) positioned within the roll carrier (520), a restraint strap (530), an end fixing strip (540), and a plurality of matching hooks (550) positioned on a vertical telescopic rod (450). The roll carrier (520) is a strip-shaped hollow box with a through groove on one side for the binding strap (530) to pass through, and is fixed to the top of the bottom pressure plate (460); The horizontally placed spool (510) is a horizontally placed spool, positioned inside the spool carrier (520); The restraint strap (530) is a metal mesh elastic band and / or a rubber elastic band, with one end wrapped and positioned on a horizontally placed drum (510); The end fixing strip (540) is a rigid long strip, which is fixed to the other end of the restraint strap (530); the side of the end fixing strip (540) is provided with a groove that is adapted to the matching hook (550); The matching hook (550) is a rigid hook, arranged in a row along the length of the vertical telescopic rod (450), and is used to support and fix the end fixing strip (540).

7. The hoisting device suitable for hydraulic cylinders as described in claim 6, characterized in that: The restraint strap (530) has a two-layer structure, consisting of an elastic rubber strip and an elastic mesh metal strip.

Images