Hydraulic cylinder barrel inner wall polishing device

Abstract

The utility model discloses a hydraulic cylinder barrel inner wall polishing device which is characterized in that two guide rods are arranged between a bottom plate and a top frame, two jacking hydraulic cylinders are arranged and are respectively arranged in grooves in stand columns, a lifting frame is in sliding fit with the guide rods through two guide sleeves, two ends of the lifting frame are respectively connected with piston rods of the jacking hydraulic cylinders, and the lifting frame is connected with the top frame. The lifting frame is connected with the cylindrical polishing head through a first motor and a shaft rod, the double-winding-drum winch is installed on the upper surface of the top frame, steel wire ropes are wound around two winding drums of the double-winding-drum winch and penetrate through the top frame, end plates are arranged at the two ends of the positioning plate, guide groove holes are formed in the connecting positions of the end plates and the top plate, and the guide groove holes are in sliding fit with the corresponding guide rods. The cylinder barrel polishing device is reasonable in structure, the bottom of a cylinder barrel to be polished is clamped through the chuck, the upper portion of the cylinder barrel is directly positioned through the positioning hole of the positioning plate, the positioning difficulty is lowered, and the operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder polishing equipment technical field, concretely is a kind of hydraulic cylinder cylinder inner wall polishing device. BACKGROUND

[0002] Hydraulic cylinder is the hydraulic energy into mechanical energy, do linear reciprocating motion (or swing motion) hydraulic actuator.It simple structure, work reliably.It is used to realize reciprocating motion, can avoid deceleration device, and there is no transmission gap, movement is stable, so it is widely used in the hydraulic system of various machinery.Hydraulic cylinder cylinder is main component, in production process, generally need to polish the inner wall.

[0003] The existing hydraulic cylinder cylinder inner wall polishing device is more complex for the positioning of cylinder, such as using clamp to hold, but clamp needs to be positioned, need to ensure that the clamp above and the clamp at the bottom are located on the same axis, the adjustment difficulty is greater, therefore, an improved technology is urgently needed to solve the problem existing in the prior art. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of hydraulic cylinder cylinder inner wall polishing device, to be polished cylinder bottom is clamped by chuck, cylinder upper portion is positioned directly by the positioning hole of positioning plate, reduce positioning difficulty, improve operating efficiency, to solve the problem proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic cylinder cylinder inner wall polishing device, including rack, lift polishing mechanism, traction hoist mechanism, positioning plate and chuck;

[0006] The rack includes bottom plate, top frame, guide rod and stand, the two sides of the upper surface of the bottom plate are symmetrically provided with stand, the top end of the stand is connected with the top frame, two guide rods are also symmetrically provided between the bottom plate and the top frame, the guide rod is located on the inner side of corresponding one side stand, recess is set on the inner side surface of the stand, chuck is set on the central position of the upper surface of the bottom plate;

[0007] The lift polishing mechanism includes jacking hydraulic cylinder, lifting frame, first motor, shaft and cylindrical polishing head, the jacking hydraulic cylinder has two and is set in the recess in the corresponding stand interior by mounting frame, the lifting frame is slidably connected with guide rod by two guide sleeves, the two ends of the lifting frame are connected with the piston rod of jacking hydraulic cylinder, the first motor is set on the upper surface of the lifting frame, the output shaft of the first motor is connected with the top end of shaft by universal joint, the bottom end of shaft is connected with cylindrical polishing head by universal joint;

[0008] The traction hoisting mechanism comprises a double-drum winch and a steel wire rope, the double-drum winch comprises a support plate, side plates, drums, a bidirectional speed reducer and a second motor, a bidirectional speed reducer is arranged at the middle position of the support plate, side plates are arranged at both sides of the support plate, an output shaft at both sides of the bidirectional speed reducer is arranged with a corresponding side plate, and each drum is arranged between the output shaft and the corresponding side plate, the two drums are both wound with the steel wire rope, and the steel wire rope is arranged in the top frame.

[0009] End plates are arranged at both ends of the positioning plate, guide groove holes are arranged at the connection positions of the end plates and the top plate, the guide groove holes are in sliding fit with corresponding guide rods, a positioning hole is arranged at the central position of the positioning plate, a boss is arranged at the outer periphery of the upper portion of the positioning hole, and lifting rings are arranged at both ends of the upper surface of the positioning plate and connected with the steel wire ropes on the corresponding drums.

[0010] Preferably, the universal joint at the bottom of the shaft is connected with the cylindrical polishing head through a connecting piece and bolts.

[0011] Preferably, the outer side of the lower part of the stand and the connection position with the bottom plate are provided with a plurality of reinforcing plates.

[0012] Preferably, a motor mounting table is arranged at the middle position of the lifting frame, and the first motor is mounted on the upper surface of the motor mounting table.

[0013] Preferably, the two sides of the end plate are fastened and connected with the end part of the positioning plate through connecting plates and bolts and nuts.

[0014] Preferably, the bottom of the steel wire rope is connected with the corresponding lifting ring through a lifting hook.

[0015] Compared with the prior art, the hydraulic cylinder cylinder inner wall polishing device has the following beneficial effects:

[0016] The bottom of the cylinder to be polished is clamped by the chuck, and the upper part of the cylinder is positioned by the positioning hole of the positioning plate, so that the positioning difficulty is reduced, the operation efficiency is improved, the stability of the cylinder during polishing is ensured, the positioning plate is adjusted in height by the double-drum winch, on the one hand, the device is suitable for cylinders of different heights, and on the other hand, manual operation is avoided, safety is ensured, and the positioning plate is provided with detachable end plates at both sides, so that the positioning plate can be replaced according to cylinders of different diameters or cylinders with flanges, and the flexibility and the application range are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The utility model discloses a structure schematic diagram;

[0018] Figure 2 For the attached Figure 1 The enlarged structure schematic diagram of the middle mark A is shown in the figure.

[0019] Figure 3 For the attached Figure 1 The enlarged structure schematic diagram of the middle mark B is shown in the figure.

[0020] Figure 4 The utility model discloses a structure schematic diagram of lifting frame.

[0021] Figure 5 The utility model discloses a structure schematic diagram of lifting frame.

[0022] Figure 6 The utility model discloses a structure schematic diagram of positioning plate.

[0023] Figure 7 The utility model discloses a structure schematic diagram of positioning plate.

[0024] In the figure: base plate 1, top frame 2, guide rod 3, stand 4, chuck 5, jacking hydraulic cylinder 6, lifting frame 7, first motor 8, shaft 9, universal joint 10, cylindrical polishing head 11, guide sleeve 12, steel wire rope 13, support plate 14, side plate 15, winding drum 16, two-way speed reducer 17, second motor 18, positioning plate 19, end plate 20, guide groove hole 21, positioning hole 22, boss 23, lifting ring 24, connecting piece 25, reinforcing plate 26, motor installation platform 27, connecting plate 28. Specific embodiments

[0025] The technical scheme of the utility model will be described clearly and completely in connection with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model;

[0026] It should be noted that, in the description of the utility model, it should be noted that the terms "inner", "outer", "upper", "lower", "two sides", "one end", "the other end", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0027] Please refer to Figures 1-6The utility model provides a technical scheme: a hydraulic cylinder cylinder inner wall polishing device, including frame, lift polishing mechanism, traction hangs and draws mechanism, positioning plate 19 and chuck 5,

[0028] Frame includes bottom plate 1, top frame 2, guide rod 3 and stand 4, and the both sides of bottom plate 1 upper surface are symmetrically provided with stand 4, and the top of stand 4 is connected with top frame 2, and the outside of stand 4 lower part is provided with a plurality of reinforcing plates 26 at bottom plate 1 connecting place, to guarantee the connecting strength of stand, and two guide rods 3 are also symmetrically provided between bottom plate 1 and top frame 2, and guide rod 3 is located the inside of corresponding one side stand 4, and the inside surface of stand 4 is provided with recess, and the central position of bottom plate 1 upper surface is provided with chuck 5;

[0029] Lift polishing mechanism includes jacking hydraulic cylinder 6, lifting frame 7, first motor 8, shaft 9 and cylindrical polishing head 11, and jacking hydraulic cylinder 6 has two and is set in the recess in the inside of corresponding stand 4 respectively through mounting bracket, and lifting frame 7 is slidably connected with guide rod 3 through two guide sleeves 12, and the both ends of lifting frame 7 are connected with the piston rod of jacking hydraulic cylinder 6 respectively, and the central position of lifting frame 7 upper surface is provided with first motor 8, and lifting frame 7 central position is provided with motor mounting table 27, and first motor 8 is installed on the upper surface of motor mounting table 27, to realize the installation of first motor 8, and the output shaft of first motor 8 is connected with the top end of shaft 9 through universal joint 10, and the bottom end of shaft 9 is connected with cylindrical polishing head 11 through universal joint 10, and the universal joint 10 at the bottom of shaft 9 is connected with cylindrical polishing head 11 through connecting piece 25 and bolt, to realize the installation and dismounting of cylindrical polishing head 11, so as to change according to the inner diameter of different cylinders;

[0030] Traction hangs and draws mechanism includes double-drum winch and steel wire rope 13, and double-drum winch includes support plate 14, side plate 15, drum 16, bidirectional speed reducer 17 and second motor 18, and the central position of support plate 14 is provided with bidirectional speed reducer 17, and the both sides of support plate 14 are provided with side plate 15, and one drum 16 is arranged between the output shaft of bidirectional speed reducer 17 and corresponding side plate 15, and two drums 16 are all wound with steel wire rope 13, and steel wire rope 13 is threaded in top frame 2;

[0031] The positioning plate 19 is provided with end plates 20 at both ends, and the end plates 20 are fastened and connected with the end portions of the positioning plate 19 through connecting plates 28 and bolts and nuts on both sides, so as to realize the connection and disconnection of the end plates 20 with the positioning plate 19, so that the positioning plate 19 can be replaced according to the cylinders of different diameters, and the connecting portions of the end plates 20 and the top plate are provided with guide groove holes 21, the guide groove holes 21 are in sliding fit with the corresponding guide rods 3, the positioning plate 19 is provided with a positioning hole 22 at the center position, a boss 23 is arranged on the outer periphery of the upper portion of the positioning hole 22, and lifting rings 24 are arranged at both ends of the upper surface of the positioning plate 19, the lifting rings 24 are connected with the steel wire ropes 13 on the corresponding winding drums 16 respectively, and the bottom portions of the steel wire ropes 13 are connected with the corresponding lifting rings 24 through hooks, so as to realize the connection and separation of the steel wire ropes 13 and the positioning plate 19.

[0032] Working method and use principle: firstly, the positioning plate 19 with the appropriate positioning hole 22 is selected according to the diameter of the hydraulic cylinder or whether the hydraulic cylinder is provided with a flange, the two ends of the positioning plate 19 are abutted against the guide rods 3, the guide groove holes 21 of the end plates 20 are sleeved on the guide rods 3, and the end plates 20 are connected with the end portions of the positioning plate 19 through the connecting plates 28 and the bolts and nuts on both sides, at this time, the positioning plate 19 slides along the guide rods 3 through the end plates 20, and then the bottom portions of the two steel wire ropes 13 of the winch are connected with the corresponding lifting rings 24 through hooks. When polishing, the hydraulic cylinder shell is moved to the polishing device, the hydraulic cylinder shell is moved into the rack after being erected, the hydraulic cylinder shell is erected, the bottom portion of the hydraulic cylinder shell is supported on the chuck 5 and is clamped by the clamping jaws of the chuck 5 (the large cylinder can also be directly clamped with the connecting lug plate), and the top end of the hydraulic cylinder shell is inserted into the positioning hole 22 of the positioning plate 19. The lifting of the lifting frame 7 is realized through the two side jacking hydraulic cylinders 6, the cylindrical polishing head 11 enters the inside of the cylinder of the hydraulic cylinder shell, and thus the inner wall of the cylinder is polished. The structure of the utility model is reasonable, the cylinder is clamped at the bottom portion through the chuck 5, the upper portion of the cylinder is directly positioned through the positioning hole 22 of the positioning plate 19, the positioning difficulty is reduced, the operation efficiency is improved, the stability of the cylinder during polishing is ensured, the positioning plate 19 is lifted and adjusted through the double-winding-drum winch, on the one hand, the positioning plate 19 is suitable for the cylinders of different heights, and on the other hand, manual operation is avoided, safety is ensured, and the positioning plate 19 is provided with detachable end plates 20 on both sides, so that the positioning plate 19 can be replaced according to the cylinders of different diameters or the cylinders provided with flanges, and the flexibility and the applicable range are greatly improved.

[0033] The parts not described in the utility model are the known technology of the person skilled in the art.

[0034] Finally, it should be noted that the above detailed description is merely intended to illustrate the technical solutions of the present application, rather than limit the present application. Although the present application has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and all of them should be included in the scope of the claims of the present application.

Claims

1. A hydraulic cylinder barrel inner wall polishing device, characterized in that: The machine frame, the lifting polishing mechanism, the traction and lifting mechanism, the positioning plate (19) and the chuck (5); The machine frame comprises a bottom plate (1), a top frame (2), guide rods (3) and stand columns (4), the upper surface of the bottom plate (1) is symmetrically provided with the stand columns (4) on both sides, the top ends of the stand columns (4) are connected with the top frame (2), two guide rods (3) are symmetrically arranged between the bottom plate (1) and the top frame (2), the guide rods (3) are located on the inner sides of the corresponding stand columns (4), the inner side surfaces of the stand columns (4) are provided with grooves, and the upper surface of the bottom plate (1) is provided with the chuck (5) at the central position. The lifting polishing mechanism comprises top lifting hydraulic cylinders (6), a lifting frame (7), a first motor (8), a shaft rod (9) and a cylindrical polishing head (11), the top lifting hydraulic cylinders (6) are two and are arranged in the grooves in the corresponding stand columns (4) through mounting frames, the lifting frame (7) is slidably connected with the guide rods (3) through two guide sleeves (12), the two ends of the lifting frame (7) are connected with the piston rods of the top lifting hydraulic cylinders (6), the upper surface of the lifting frame (7) is provided with the first motor (8) at the middle position, the output shaft of the first motor (8) is connected with the top end of the shaft rod (9) through a universal joint (10), and the bottom end of the shaft rod (9) is connected with the cylindrical polishing head (11) through a universal joint (10). The traction and lifting mechanism comprises double-drum winches and steel wires (13), the double-drum winches comprise support plates (14), side plates (15), drum shafts (16), bidirectional speed reducers (17) and second motors (18), the support plates (14) are provided with the bidirectional speed reducers (17) at the middle positions, the support plates (14) are provided with the side plates (15) on both sides, one drum shaft (16) is arranged between the output shaft of each of the two sides of the bidirectional speed reducer (17) and the corresponding side plate (15), the two drum shafts (16) are both wound with the steel wires (13), and the steel wires (13) are arranged in the top frame (2). The positioning plate (19) is provided with end plates (20) at both ends, the connecting positions of the end plates (20) and the top plate are provided with guide groove holes (21), the guide groove holes (21) are slidably connected with the corresponding guide rods (3), the positioning plate (19) is provided with a positioning hole (22) at the central position, the outer periphery of the upper part of the positioning hole (22) is provided with a boss (23), the positioning plate (19) is provided with lifting rings (24) at both ends of the upper surface, and the lifting rings (24) are connected with the steel wires (13) on the corresponding drum shafts (16).

2. The hydraulic cylinder barrel inner wall polishing device according to claim 1, characterized in that: The universal joint (10) at the bottom of the shaft rod (9) is connected with the cylindrical polishing head (11) through a connecting piece (25) and bolts.

3. The hydraulic cylinder barrel inner wall polishing device according to claim 1, characterized in that: The outer side of the lower part of the stand column (4) and the connecting position with the bottom plate (1) are provided with a plurality of reinforcing plates (26).

4. The hydraulic cylinder barrel inner wall polishing device according to claim 1, characterized in that: The lifting frame (7) is provided with a motor mounting table (27) at the middle position, and the first motor (8) is mounted on the upper surface of the motor mounting table (27).

5. The hydraulic cylinder barrel inner wall polishing device according to claim 1, characterized in that: The end plates (20) are fastened and connected with the end parts of the positioning plate (19) through connecting plates (28) and bolts and nuts on both sides.

6. The hydraulic cylinder barrel inner wall polishing device according to claim 1, characterized in that: The bottom of the steel wire rope (13) is connected with the corresponding lifting ring (24) through a hook.

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