Hydraulic cylinder driven cast pipe lifting device

Abstract

The utility model relates to the technical field of cast pipe production auxiliary equipment, and provides a hydraulic cylinder driven cast pipe lifting device which comprises a main body frame, a lifting trolley and a lifting hydraulic cylinder, the lifting trolley is arranged on the main body frame in a sliding manner; two lifting guide rails are arranged on the main body frame; a lifting hydraulic cylinder is arranged on the main body frame; a telescopic rod of the lifting hydraulic cylinder is arranged upwards, and the top of the telescopic rod of the lifting hydraulic cylinder is connected with the chain wheel mounting shaft; the two ends of the chain wheel mounting shaft are slidably arranged in the lifting guide rails respectively, and chain wheels are rotatably arranged on the inner sides of the two ends of the chain wheel mounting shaft respectively; the chain wheel is matched and connected with the chain; one end of the chain is connected with the main body frame, and the other end is connected with the lifting trolley. The lifting hydraulic cylinder is adopted to provide lifting power, the stroke of the lifting hydraulic cylinder is saved and shortened, the lifting efficiency is improved, and then the production efficiency of cast pipes is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cast pipe production auxiliary equipment technical field especially relates to a kind of cast pipe lifting device driven by hydraulic cylinder. BACKGROUND

[0002] Centrifuge of nodular cast iron pipe (abbreviation cast pipe) needs to be configured cast pipe lifting device.The current cast pipe lifting device is set V-shaped roller on trolley to lift cast pipe, and the trolley is lifted by motor-driven sprocket chain, so that the trolley is lifted;But such lifting by motor drive results in larger stroke of motor, larger power consumption, lower lifting efficiency.

[0003] In addition, the cast pipe is lifted by V-shaped roller, and the cast pipe is prone to falling during lifting, so additional blocking roller is needed, increasing equipment cost. INVENTION CONTENTS

[0004] The utility model mainly solves the technical problem that the cast pipe lifting device of prior art is lifted by motor drive, resulting in larger stroke of motor, larger power consumption, lower lifting efficiency, etc., and proposes a kind of cast pipe lifting device driven by hydraulic cylinder, lifting hydraulic cylinder is used to provide lifting power, save and shorten lifting stroke of lifting hydraulic cylinder, improve lifting efficiency, and further improve cast pipe production efficiency.

[0005] The utility model provides a kind of cast pipe lifting device driven by hydraulic cylinder, comprising: main body frame, lifting trolley and lifting hydraulic cylinder;

[0006] The lifting trolley is slidably arranged on the main body frame;

[0007] Two lifting rails are arranged on the main body frame;Lifting hydraulic cylinder is arranged on the main body frame;The telescopic rod of the lifting hydraulic cylinder is arranged upwards, and the top of the telescopic rod of the lifting hydraulic cylinder is connected with the chain wheel mounting shaft;

[0008] The two ends of the chain wheel mounting shaft are slidably arranged in the lifting rail respectively, and the two ends of the chain wheel mounting shaft are rotatably arranged with chain wheels respectively on the inner side;

[0009] The chain wheel is connected with the chain in cooperation;One end of the chain is connected with the main body frame, and the other end is connected with the lifting trolley.

[0010] Preferably, two trolley rails are arranged on the main body frame;

[0011] Two wheels are arranged on the lower part of the two ends of the lifting trolley respectively;

[0012] The wheels are arranged in the corresponding trolley rail.

[0013] Preferably, the wheels are installed on the lifting trolley through the first composite bearing.

[0014] Preferably, the top surface of the lifting trolley is inwardly inclined.

[0015] Preferably, the top of the telescopic rod of the lifting hydraulic cylinder is connected with the chain wheel mounting shaft through a hydraulic cylinder support.

[0016] Preferably, the chain wheel is fixedly connected with a gland, and the gland is located at the outer end of the chain wheel mounting shaft.

[0017] The gland is provided with a guide wheel through a second composite bearing.

[0018] The guide wheel is slidingly arranged in the lifting guide rail.

[0019] Preferably, the chain wheel is rotatably arranged on the chain wheel mounting shaft through a spacer sleeve.

[0020] The hydraulic cylinder driven cast pipe lifting device provided by the utility model adopts the lifting hydraulic cylinder to provide lifting power, reduces power consumption, and the telescopic rod of the lifting hydraulic cylinder is telescopic, the chain wheel is rotated, the chain is connected with the lifting trolley to lift, the lifting efficiency is improved, and the cast pipe production efficiency is further improved.

[0021] The utility model can be applied to centrifuge auxiliary cast pipe lifting mechanism, is used to lift cast pipe, has the advantages of simple structure, cost saving, reliable work, long life, good maintenance performance, small space occupation and cost saving, adopts the principle of movable pulley to lift the lifting trolley, and the lifting hydraulic cylinder has double stroke, saves the complicated and tedious processing technological process, has long service life, and reduces the maintenance frequency, is more convenient and fast to replace during maintenance, and shortens the production interruption time. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the front view of the hydraulic cylinder driven cast pipe lifting device provided by the utility model.

[0023] Figure 2 It is the side view of the hydraulic cylinder driven cast pipe lifting device provided by the utility model.

[0024] Figure 3 It is the top view of the hydraulic cylinder driven cast pipe lifting device provided by the utility model.

[0025] Figure 4 It is the structure schematic view of the wheel and trolley guide rail part provided by the utility model.

[0026] Figure 5It is the structural schematic view of the chain wheel and the chain wheel installation shaft part provided by the utility model.

[0027] Sign: 1, main body frame;2, lifting trolley;3, lifting hydraulic cylinder;4, chain wheel;5, chain;6, wheel;7, chain wheel installation shaft;8, lifting guide rail;9, gland;10, spacer;11, hydraulic cylinder support;12, guide wheel;13, first composite bearing;14, second composite bearing;15, trolley guide rail. DETAILED DESCRIPTION

[0028] In order to make the technical problem of the utility model, the technical scheme adopted and the technical effect reached more clear, the utility model is further explained in detail below in combination with drawings and examples.It can be understood that the specific examples described here are only used to explain the utility model, and not limit the utility model.In addition, it needs to be explained that, for the convenience of description, only the parts related to the utility model are shown in the drawings, not all contents.

[0029] As Figures 1-3 The utility model embodiment provides a hydraulic cylinder drive cast pipe lifting device, which comprises: main body frame 1, lifting trolley 2 and lifting hydraulic cylinder 3.

[0030] Lifting trolley 2 is slidably arranged on main body frame 1;Specifically, two trolley guide rails 15 are arranged on main body frame 1;Two wheels 6 are arranged at the lower part of the two ends of lifting trolley 2 respectively;The wheel 6 is placed in the corresponding trolley guide rail 15.Lifting trolley 2 can slide in trolley guide rail 15, and the lifting power is provided by lifting hydraulic cylinder 3, chain wheel 4 and chain 5.

[0031] As Figure 4 The wheel 6 is installed on the lifting trolley 2 through the first composite bearing 13, and the composite bearing makes the operation more stable.The top surface of the lifting trolley 2 is inwardly inclined, and the cast pipe is placed on the top surface of the lifting trolley 2, and the inwardly inclined top surface can prevent the cast pipe from falling off.The lifting trolley 2 is welded with section steel, which not only increases the strength, but also reduces the complexity and difficulty of removing internal stress of steel plate welding and the deformation caused by the difficulty.

[0032] The main body frame 1 is fixed by anchor bolt, and the overall structure is more stable after secondary grouting.Two lifting guide rails 8 are arranged on main body frame 1;Lifting hydraulic cylinder 3 is arranged on main body frame 1;The telescopic rod of lifting hydraulic cylinder 3 is arranged upwards, and the top of the telescopic rod of lifting hydraulic cylinder 3 is connected with chain wheel installation shaft 7.Specifically, the top of the telescopic rod of lifting hydraulic cylinder 3 is connected with chain wheel installation shaft 7 through hydraulic cylinder support 11;Lifting hydraulic cylinder 3 is fixed on main body frame 1 by front flange type.

[0033] Two ends of the chain wheel mounting shaft 7 are respectively slidably arranged in the lifting guide rail 8, and the inner sides of the two ends of the chain wheel mounting shaft 7 are respectively rotatably arranged with the chain wheel 4; the chain wheel 4 is connected with the chain 5 in cooperation; one end of the chain 5 is connected with the main body frame 1, and the other end is connected with the lifting trolley 2. Figure 5 As shown in the figure, the chain wheel 4 is fixedly connected with the gland 9, the gland 9 is located at the outer end of the chain wheel mounting shaft 7; the gland 9 is provided with the guide wheel 12 through the second composite bearing 14; the guide wheel 12 is slidably arranged in the lifting guide rail 8. The chain wheel 4 is rotatably arranged on the chain wheel mounting shaft 7 through the spacer sleeve 10.

[0034] The utility model discloses adopt lifting hydraulic cylinder 3 to provide lifting power, and the telescopic rod of lifting hydraulic cylinder 3 telescopes, and chain wheel 4 rotates, and chain 5 connects lifting trolley 2 and lifts, and chain wheel 4 uses the second composite bearing 14 and guides on both sides, to ensure that it is stable and free during lifting, and chain wheel 4 is provided with a ball bearing on the inner side, and chain wheel 4 is equivalent to a movable pulley structure, which saves and shortens the stroke of lifting hydraulic cylinder 3, so that the lifting of lifting trolley 2 realizes the double stroke of lifting hydraulic cylinder 3, saves lifting cost and better meets the equipment demand.

[0035] The utility model discloses can apply in centrifuge auxiliary cast tube lifting mechanism to lift cast tube, and the structure is simple, saves the cost, and the work is reliable, and the life is long, and the maintenance performance is good, and the space occupation is small, and the cost is saved, adopts movable pulley principle to make lifting trolley lift, and lifting hydraulic cylinder 3 double stroke, and composite bearing is all external purchase spare, saves the complex and complicated processing technological process, and the service life is long, and reduces the maintenance frequency, and is more convenient and fast when replacing during maintenance, and shortens the production interruption time.

[0036] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments are modified, or some or all of the technical features are replaced equivalently, without making the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A hydraulic cylinder driven casting tube lifting device, characterized by, Include: The main frame (1), lifting trolley (2) and lifting hydraulic cylinder (3); The lifting trolley (2) is slidably arranged on the main frame (1); Two lifting guide rails (8) are arranged on the main frame (1); the lifting hydraulic cylinder (3) is arranged on the main frame (1); the telescopic rod of the lifting hydraulic cylinder (3) is arranged upward, and the top of the telescopic rod of the lifting hydraulic cylinder (3) is connected with the chain wheel mounting shaft (7); The two ends of the chain wheel mounting shaft (7) are slidably arranged in the lifting guide rails (8), and the two ends of the chain wheel mounting shaft (7) are rotatably arranged with chain wheels (4) on the inner side respectively; The chain wheel (4) is connected with the chain (5); one end of the chain (5) is connected with the main frame (1), and the other end is connected with the lifting trolley (2).

2. The hydraulic cylinder driven casting tube lifting device according to claim 1, characterized in that, Two trolley guide rails (15) are arranged on the main frame (1); Two wheels (6) are arranged on the lower part of the two ends of the lifting trolley (2) respectively. The wheel (6) is arranged in the corresponding trolley guide rail (15).

3. The hydraulic cylinder driven casting tube lifting device of claim 2, wherein, The wheel (6) is installed on the lifting trolley (2) through the first composite bearing (13).

4. The hydraulic cylinder driven casting tube lifting device of claim 1, wherein, The top surface of the lifting trolley (2) is inwardly inclined.

5. The hydraulic cylinder driven casting tube lifting device of claim 1, wherein, The top of the telescopic rod of the lifting hydraulic cylinder (3) is connected with the chain wheel mounting shaft (7) through the hydraulic cylinder support (11).

6. The hydraulic cylinder driven casting tube lifting device of claim 1, wherein, The chain wheel (4) is fixedly connected with the gland (9), and the gland (9) is located at the outer end of the chain wheel mounting shaft (7); The guide wheel (12) is arranged on the gland (9) through the second composite bearing (14); The guide wheel (12) is slidably arranged in the lifting guide rail (8).

7. The hydraulic cylinder driven casting tube lifting device of claim 6, wherein, The chain wheel (4) is rotatably arranged on the chain wheel mounting shaft (7) through the spacer sleeve (10).

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