Adjustable middle swing lifting equipment

Abstract

The utility model discloses an adjustable middle swing lifting device which comprises a base, a fixing shaft is rotatably installed on the inner side of the base, an installation groove plate is welded to the end face of one side of the fixing shaft, a lifting air cylinder is installed on the inner side of the installation groove plate, and the telescopic end of the lifting air cylinder is connected with a telescopic rod. A fixing pin is clamped to the inner side of the telescopic rod, the outer side of the fixing pin is sleeved with a rotating cylinder, a rotating piece is rotatably installed on the inner side of the rotating cylinder, an extension rod is welded to the end face of one side of the rotating piece, the outer side of the extension rod is in threaded connection with a threaded cylinder, and the outer side of the threaded cylinder is sleeved with a positioning rod. In the process of stretching out the telescopic rod, the angle of the lifting air cylinder can be adjusted along with rotation, and at the moment, when a steel pipe is lifted, the telescopic rod can be prevented from pressing a sealing gasket in the lifting air cylinder, so that the loss of the lifting air cylinder is reduced, the galvanization work can be stably and continuously carried out, and the economic loss is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe manufacturing technical field, concretely is adjustable middle swing hoisting equipment. BACKGROUND

[0002] Steel pipe galvanization is a surface treatment process, and its main purpose is to improve the corrosion resistance of steel pipe. After the steel pipe is immersed in zinc liquid, it is lifted by a lifting device and adhered to the exit roller to run to the next process. Generally, a cylinder is used to drive the lifting device to lift the steel pipe. The lifted steel pipe enters the next processing link through a conveying device.

[0003] However, the existing lifting device is fixed with a cylinder rear seat and cannot be adjusted in height. When the cylinder is working, the gravity is pressed on the front end cover, which causes the cylinder sealing ring to wear and leak. The cylinder is easily damaged, which not only consumes a lot of energy but also affects the efficiency of steel pipe galvanization. In order to overcome the above technical problems, it is necessary to provide an adjustable middle swing hoisting equipment. SUMMARY

[0004] The utility model provides a kind of adjustable middle swing hoisting equipment, can effectively solve the problem that the existing lifting device is fixed with a cylinder rear seat and cannot be adjusted in height in the background art described above. When the cylinder is working, the gravity is pressed on the front end cover, which causes the cylinder sealing ring to wear and leak. The cylinder is easily damaged, which not only consumes a lot of energy but also affects the efficiency of steel pipe galvanization.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an adjustable middle swing hoisting equipment, comprising a base, a fixed component is installed at the top of the base;

[0006] The fixed component includes a fixed shaft, an installation slot plate, a lifting cylinder, an extension rod, a fixed pin, a rotating cylinder, a rotating sheet, an extension rod, a threaded cylinder, a positioning rod, a bearing and a transmission rod;

[0007] The fixed shaft is rotatably installed on the inner side of the base, the installation slot plate is welded on one side of the end surface of the fixed shaft, the lifting cylinder is installed on the inner side of the installation slot plate, the extension rod is connected to the extension end of the lifting cylinder, the fixed pin is connected to the inner side of the extension rod, the rotating cylinder is sleeved on the outer side of the fixed pin, the rotating sheet is rotatably installed on the inner side of the rotating cylinder, and the extension rod is welded on one side of the end surface of the rotating sheet.

[0008] The threaded cylinder is threadedly connected to the outer side of the extension rod, the positioning rod is sleeved on the outer side of the threaded cylinder, the bearing is sleeved on the outer side of the positioning rod, and the transmission rod is connected to the outer side of the bearing.

[0009] Preferably, the fixed shaft is provided with two, two fixed shafts are symmetrically welded at the two side end faces of the installation groove plate, and the inner side of the base is provided with an adjusting rotating groove at the corresponding position of the fixed shaft.

[0010] Preferably, the outer side of the rotating cylinder is provided with a pin hole at the corresponding position of the fixed pin, and the fixed pin is rotationally connected with the rotating cylinder through the pin hole.

[0011] Preferably, one end of the rotating cylinder is provided with a movable groove at the corresponding position of the extension rod, the extension rod is rotationally connected with the rotating cylinder through the movable groove, and the input end of the lifting cylinder is electrically connected with the output end of the external controller.

[0012] Preferably, the bottom end of the transmission rod is provided with a lifting assembly.

[0013] The lifting assembly comprises a stabilizing seat, a lifting rod, a rotating groove, a lifting inclined plate and an arc-shaped lifting block.

[0014] The bottom of the transmission rod is provided with a stabilizing seat, the inner side of the stabilizing seat is rotationally provided with a lifting rod, the inner side of the stabilizing seat is provided with a rotating groove, one end of the lifting rod is welded with a lifting inclined plate, and one end of the lifting inclined plate is welded with an arc-shaped lifting block.

[0015] Preferably, the lifting rod is provided with two, and the two lifting rods are symmetrically welded at the bottom positions of the two side end faces of the transmission rod.

[0016] Compared with the prior art, the utility model discloses the following beneficial effects:

[0017] 1. The fixed assembly is provided, in the process of extending the telescopic rod, the lifting cylinder can also adjust the angle along with rotating, at this time, when the steel pipe is lifted, the telescopic rod can prevent the compression of the sealing gasket in the lifting cylinder, thereby reducing the loss of the lifting cylinder, ensuring that the galvanizing work can be stably and continuously carried out, reducing economic loss, prolonging the total length of the telescopic rod, and further changing the rotating angle of the transmission rod, changing the lifting height, and when the lifting cylinder is disassembled and maintained, the fixed pin can be pulled out to quickly release the restriction on the telescopic rod, so that the lifting cylinder can be quickly replaced.

[0018] 2. The lifting assembly is provided, the lifting rod drives the lifting inclined plate to rotate, at this time, the arc-shaped lifting block can be lifted upwards, so that the steel pipe after galvanizing can be lifted from the inside of the galvanizing tank, human contact is reduced, the harm of high-temperature zinc to the operator is reduced, and the use of the arc-shaped lifting block can prevent the wear of the zinc layer on the surface of the steel pipe. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0020] In the attached diagram:

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a structural schematic diagram of the fixing component of this utility model;

[0023] Figure 3 This is a schematic diagram of the installation structure of the positioning rod of this utility model;

[0024] Figure 4 This is a schematic diagram of the lifting component of this utility model;

[0025] Numbered in the diagram: 1. Base;

[0026] 2. Fixing components; 201. Fixing shaft; 202. Mounting slot plate; 203. Lifting cylinder; 204. Telescopic rod; 205. Fixing pin; 206. Rotating cylinder; 207. Rotating plate; 208. Extension rod; 209. Threaded cylinder; 210. Positioning rod; 211. Bearing; 212. Transmission rod;

[0027] 3. Lifting components; 301. Stabilizer; 302. Lifting rod; 303. Rotary groove; 304. Lifting ramp; 305. Arc-shaped lifting block. Detailed Implementation

[0028] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0029] Example: Figures 1-4 As shown, this utility model provides a technical solution: an adjustable mid-swing lifting device, including a base 1, with a fixing component 2 installed at the top of the base 1;

[0030] The fixed assembly 2 includes a fixed shaft 201, a mounting slot plate 202, a lifting cylinder 203, a telescopic rod 204, a fixing pin 205, a rotating cylinder 206, a rotating plate 207, an extension rod 208, a threaded cylinder 209, a positioning rod 210, a bearing 211, and a transmission rod 212.

[0031] A fixed shaft 201 is rotatably mounted on the inner side of the base 1. A mounting slot 202 is welded to one end face of the fixed shaft 201. Two fixed shafts 201 are provided, symmetrically welded to the two end faces of the mounting slot 202. An adjustment groove is provided on the inner side of the base 1 at a position corresponding to the fixed shaft 201 to facilitate rotation of the mounting slot 202. A lifting cylinder 203 is mounted on the inner side of the mounting slot 202. A telescopic rod 204 is connected to the telescopic end of the lifting cylinder 203. A fixing pin 205 is engaged on the inner side of the telescopic rod 204. A rotating cylinder 206 is sleeved on the outer side of 05. A pin hole is opened on the outer side of the rotating cylinder 206 at the position corresponding to the fixing pin 205. The fixing pin 205 is rotatably connected to the rotating cylinder 206 through the pin hole, which is conducive to quick disassembly of the telescopic rod 204. A rotating plate 207 is rotatably installed on the inner side of the rotating cylinder 206. An extension rod 208 is welded to one end face of the rotating plate 207. A movable groove is opened at one end of the rotating cylinder 206 at the position corresponding to the extension rod 208. The extension rod 208 is rotatably connected to the rotating cylinder 206 through the movable groove, which is convenient for disassembly of the telescopic rod 204.

[0032] The extension rod 208 is threadedly connected to a threaded cylinder 209. A positioning rod 210 is sleeved on the outside of the threaded cylinder 209. A bearing 211 is sleeved on the outside of the positioning rod 210. A transmission rod 212 is snapped onto the outside of the bearing 211. The input end of the lifting cylinder 203 is electrically connected to the output end of an external controller.

[0033] A lifting assembly 3 is installed at the bottom end of the transmission rod 212;

[0034] The lifting assembly 3 includes a stabilizing base 301, a lifting rod 302, a rotating groove 303, a lifting ramp 304, and an arc-shaped lifting block 305;

[0035] A stabilizing seat 301 is provided at the bottom of the transmission rod 212. A lifting rod 302 is rotatably mounted on the inner side of the stabilizing seat 301. Two lifting rods 302 are provided and are symmetrically welded at the bottom of the two end faces of the transmission rod 212, which is conducive to the stable rotation of the transmission rod 212. A rotating groove 303 is opened on the inner side of the stabilizing seat 301. A lifting inclined plate 304 is welded to one end of the lifting rod 302, and an arc-shaped lifting block 305 is welded to one end of the lifting inclined plate 304.

[0036] The working principle and use process of the utility model are as follows: firstly, the operator controls the retraction of the lifting cylinder 203, thereby pulling the telescopic rod 204 to rotate, then moves the extension rod 208 through the telescopic rod 204, then moves the positioning rod 210 through the extension rod 208, at this time, the transmission rod 212 can be pulled to rotate, when the transmission rod 212 rotates to one side of the lifting cylinder 203, the lifting cylinder 203 will rotate on the inner side of the base 1 through the installation groove plate 202 and the fixed shaft 201 to adapt to the angle change of the telescopic rod 204, and in the process of extending the telescopic rod 204, the lifting cylinder 203 will also rotate to adjust the angle, at this time, when the steel pipe is lifted, the telescopic rod 204 can prevent the compression of the sealing gasket in the lifting cylinder 203, thereby reducing the loss of the lifting cylinder 203, ensuring that the galvanizing work can be stably and continuously carried out, and reducing economic loss;

[0037] Then when the steel pipe needs to be lifted to different heights, the operator can rotate the extension rod 208 on the inner side of the threaded cylinder 209, at this time, the extension rod 208 will drive the rotating piece 207 to rotate on the inner side of the rotating cylinder 206, thereby the total length of the telescopic rod 208 can be extended, and the rotating angle of the transmission rod 212 can be changed, the lifting height is changed, and when the lifting cylinder 203 is disassembled and maintained, the fixed pin 205 can be pulled out to quickly release the restriction on the telescopic rod 204, thereby the lifting cylinder 203 can be quickly replaced;

[0038] Then, in the use process, the rotation of the transmission rod 212 will drive the lifting rod 302 to rotate on the inner side of the stabilizing seat 301, then the lifting rod 302 can drive the lifting inclined plate 304 to rotate, at this time, the arc-shaped lifting block 305 can be lifted upwards, thereby the steel pipe after galvanizing can be lifted from the inside of the galvanizing tank, human contact is reduced, the harm of high-temperature zinc to the operator is reduced, and the use of the arc-shaped lifting block 305 can prevent the zinc layer on the surface of the steel pipe from being abraded.

[0039] Finally, it should be noted that: the above-mentioned is only the preferred example of the utility model, and is not used for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An adjustable centre pivot lifting apparatus comprising a base (1) characterised in that: The top end of the base (1) is provided with a fixing assembly (2); The fixing assembly (2) comprises a fixing shaft (201), a mounting groove plate (202), a lifting cylinder (203), an extension rod (204), a fixing pin (205), a rotating cylinder (206), a rotating piece (207), an extension rod (208), a threaded cylinder (209), a positioning rod (210), a bearing (211) and a transmission rod (212); The inner side of the base (1) is rotatably provided with the fixing shaft (201), one side end surface of the fixing shaft (201) is welded with the mounting groove plate (202), the inner side of the mounting groove plate (202) is provided with the lifting cylinder (203), the extension end of the lifting cylinder (203) is connected with the extension rod (204), the inner side of the extension rod (204) is clamped with the fixing pin (205), the outer side of the fixing pin (205) is sleeved with the rotating cylinder (206), the inner side of the rotating cylinder (206) is rotatably provided with the rotating piece (207), one side end surface of the rotating piece (207) is welded with the extension rod (208); The outer side of the extension rod (208) is threadedly connected with the threaded cylinder (209), the outer side of the threaded cylinder (209) is sleeved with the positioning rod (210), the outer side of the positioning rod (210) is sleeved with the bearing (211), and the outer side of the bearing (211) is clamped with the transmission rod (212).

2. An adjustable mid-shaft hoist apparatus as defined in claim 1, wherein: The fixing shaft (201) is provided with two fixing shafts (201) which are symmetrically welded on the two side end surfaces of the mounting groove plate (202), and the inner side of the base (1) is provided with an adjusting rotating groove at the corresponding position of the fixing shaft (201).

3. An adjustable center pivot lift apparatus as described in claim 1 wherein: The outer side of the rotating cylinder (206) is provided with a pin hole at the corresponding position of the fixing pin (205), and the fixing pin (205) is rotatably connected with the rotating cylinder (206) through the pin hole.

4. An adjustable mid-shaft hoist apparatus as defined in claim 1, wherein: The one end of the rotating cylinder (206) is provided with a movable groove at the corresponding position of the extension rod (208), the extension rod (208) is rotatably connected with the rotating cylinder (206) through the movable groove, and the input end of the lifting cylinder (203) is electrically connected with the output end of the external controller.

5. An adjustable mid-shaft hoist apparatus as defined in claim 1, wherein: The bottom end of the transmission rod (212) is provided with a lifting assembly (3); The lifting assembly (3) comprises a stabilizing seat (301), a lifting rod (302), a rotating groove (303), a lifting inclined plate (304) and an arc-shaped lifting block (305); The bottom of the transmission rod (212) is provided with the stabilizing seat (301), the inner side of the stabilizing seat (301) is rotatably provided with the lifting rod (302), the inner side of the stabilizing seat (301) is provided with the rotating groove (303), one end of the lifting rod (302) is welded with the lifting inclined plate (304), and one end of the lifting inclined plate (304) is welded with the arc-shaped lifting block (305).

6. An adjustable mid-shaft hoist apparatus as claimed in claim 5, wherein: The lifting rod (302) is provided with two lifting rods (302) which are symmetrically welded at the bottom positions of the two side end surfaces of the transmission rod (212).

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