CN217129683U

CN217129683U - Swing cylinder motor for hoisting of crane

Info

Publication number: CN217129683U
Application number: CN202220589088.5U
Authority: CN
Inventors: 蔡国定; 何关清; 金鑫
Original assignee: Wuhu Zhongyi Hydraulic Technology Co ltd
Current assignee: Wuhu Zhongyi Hydraulic Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-08-05
Anticipated expiration: 2032-03-17

Abstract

The utility model belongs to the technical field of tilt cylinder motor, specifically be a tilt cylinder motor that hoist was used, include the casing and be located left back lid of casing and bent axle, the side at the casing is connected to back lid, through the screw connection between casing, the back lid, be provided with the bent axle in the casing, the left end of bent axle is passed through the double-end key and is connected with back lid rotation, the right-hand member of bent axle runs through the casing and extends to the casing outside, the left side of back lid and the position that corresponds with the double-end key are provided with logical food tray, the inside equidistance distribution of casing has five cylinder bodies, the left end of double-end key extends to in the logical food tray and is connected with join in marriage the food tray, cover the oil duct that is provided with and joins in marriage food tray, cylinder body correspondence intercommunication after. Through the mating reaction of joining in marriage food tray, double-end key, bent axle, food tray, bent axle are joined in marriage in the double-end key-type connection for join in marriage and to rotate in step between food tray, the bent axle, thereby make and join in marriage the food tray and can be accurate to the drive of each plunger body, avoid appearing the error.

Description

Swing cylinder motor for hoisting of crane

Technical Field

The utility model relates to a tilt cylinder motor technical field specifically is a tilt cylinder motor that hoist was used.

Background

The oscillating cylinder motor has the advantages of enhanced bearing capacity of internal dynamic elements, very high continuous power range, high mechanical efficiency and volumetric efficiency, and reduced internal unit load force, thereby reducing heat generation and related negative effects.

The existing tilt cylinder motor has the defects that the oil circuit control is not smooth, so that the driving between a plunger body and a crankshaft has impact, the crankshaft runs unsmoothly, and the abrasion is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tilt cylinder motor that hoist was used to current tilt cylinder motor that proposes in solving above-mentioned background art is because oil circuit control is not smooth and easy, makes the drive between the plunger body and the bent axle have the impact, makes the bent axle operation not smooth, the great problem of wearing and tearing.

In order to achieve the above object, the utility model provides a following technical scheme: a tilt cylinder motor for hoisting a crane comprises a shell, a rear cover and a crankshaft, wherein the rear cover and the crankshaft are positioned on the left side of the shell, the rear cover is connected with the side edge of the shell, the shell and the rear cover are connected through a screw, a crankshaft is arranged in the shell, the left end of the crankshaft is rotationally connected with the rear cover through a double-headed key, the right end of the crankshaft penetrates through the shell and extends to the outside of the shell, an oil through disc is arranged on the left side of the rear cover and at the position corresponding to the double-headed key, five cylinder bodies are equidistantly distributed in the shell, the left end of the double-head key extends into the oil through disc and is connected with an oil distribution disc, the rear cover is provided with an oil duct correspondingly communicated with the oil distribution disc and the cylinder body, the oil duct includes oil inlet channel and oil outlet channel, be provided with the plunger body in the cylinder body, the cylinder body corresponds the intercommunication with the oil duct, the outer wall of bent axle is provided with the ball cover, the plunger body supports on the ball cover.

Preferably, an inner side plate is arranged on the left side of the rear cover, and the inner side plate is positioned on the right side of the oil distribution disc.

Preferably, a bushing is arranged at the joint of the cylinder body and the oil passage of the rear cover.

Preferably, the inner wall joint of cylinder body has the plunger ring, the outer wall sliding connection of plunger ring and plunger body.

Preferably, a roller is arranged between the inner wall of the ball sleeve and the outer wall of the crankshaft.

Preferably, both ends of the outer wall of the ball sleeve are provided with retaining rings, and the retaining rings at both ends are positioned at both sides of the plunger body.

Preferably, a belleville spring is provided between the outside of the retaining ring and the outer end of the ball sleeve.

Preferably, the rear cover and the bushing are embedded with a sealing ring in front.

Compared with the prior art, the beneficial effects of the utility model are that:

through the mating reaction of joining in marriage food tray, double-end key, bent axle, food tray, bent axle are joined in marriage in the double-end key-type connection for join in marriage and to rotate in step between food tray, the bent axle, thereby make and join in marriage the food tray and can be accurate to the drive of each plunger body, avoid appearing the error.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a side view of the housing of the present invention.

In the figure: the oil distribution plate comprises an oil through plate 1, an oil distribution plate 2, an inner side plate 3, a double-head key 4, a rear cover 5, a lining 6, a cylinder 7, a sealing ring 8, a plunger body 9, a plunger ring 10, a shell 11, a crankshaft 12, a belleville spring 13, a retaining ring 14, a roller 15 and a ball sleeve 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-2, the present invention provides a technical solution: a tilt cylinder motor for hoisting of a crane comprises a shell 11, a rear cover 5 and a crankshaft 21, wherein the rear cover 5 and the crankshaft 21 are positioned on the left side of the shell 11, the rear cover 5 is connected to the side edge of the shell 11, the shell 11 and the rear cover 5 are connected through screws, the crankshaft 12 is arranged in the shell 11, the left end of the crankshaft 12 is rotatably connected with the rear cover 5 through a double-headed key 4, the right end of the crankshaft 12 penetrates through the shell 11 and extends to the outside of the shell 11, an oil passing disc 1 is arranged on the left side of the rear cover 5 and at a position corresponding to the double-headed key 4, five cylinder bodies 7 are equidistantly distributed in the shell 11, the left end of the double-headed key 4 extends into the oil passing disc 1 and is connected with an oil distribution disc 2, an oil duct correspondingly communicated with the oil distribution disc 2 and the cylinder bodies 7 is arranged on the rear cover 5, the oil duct comprises an oil inlet duct and an oil outlet duct, a plunger body 9 is arranged in the cylinder body 7, and the cylinder bodies 7 are correspondingly communicated with the oil duct, the outer wall of the crankshaft 12 is provided with a ball sleeve 16, and the plunger body 9 is supported on the ball sleeve 16.

Preferably, the inner side plate 3 is provided on the left side of the rear cover 5, and the inner side plate 3 is located on the right side of the oil distribution pan 2.

Preferably, a bushing 6 is arranged at the oil passage connection position of the cylinder body 7 and the rear cover 5.

Preferably, a plunger ring 10 is clamped on the inner wall of the cylinder body 7, and the plunger ring 10 is connected with the outer wall of the plunger body 9 in a sliding manner.

Preferably, rollers 15 are provided between the inner wall of the ball sleeve 16 and the outer wall of the crankshaft 21.

Preferably, the two ends of the outer wall of the ball sleeve 16 are provided with retaining rings 14, and the retaining rings 14 at the two ends are positioned at two sides of the plunger body 9.

Preferably, a belleville spring 13 is provided between the outside of the retaining ring 14 and the outer end of the ball sleeve 16.

Preferably, the rear cover 5 and the bushing 6 are embedded with a sealing ring 8 in front.

The working principle is as follows: be provided with the oil mouth of joining in marriage that corresponds with the oil duct on joining in marriage the food tray 2, through joining in marriage the oil mouth and correspond the oil duct intercommunication, realize the fuel feeding, the oil extraction, thereby realize the hydraulic pressure regulation and control to each plunger body 9, change the position of plunger body 9 in cylinder body 7, coherent operation, cooperation between five plunger bodies 9, promote the rotation to ball sleeve 16 and inboard bent axle 12, make bent axle 12 can operate under the indirect drive of outside hydraulic oil, the bent axle 12 outside is connected with the wind-up roll of hoist engine, because the axis of five plunger bodies 9 is perpendicular with the axis of bent axle 12, wearing and tearing to bent axle 12 are less, and through the mating action of five plunger bodies 9, realize the locking to bent axle 12, direction of rotation control and slew velocity control.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A tilt cylinder motor for hoisting of a crane comprises a shell, a rear cover and a crankshaft, wherein the rear cover and the crankshaft are positioned on the left side of the shell, the rear cover is connected to the side edge of the shell, the shell and the rear cover are connected through screws, the crankshaft is arranged in the shell, the left end of the crankshaft is rotatably connected with the rear cover through a double-headed key, the right end of the crankshaft penetrates through the shell and extends to the outside of the shell, an oil through disc is arranged on the left side of the rear cover and in a position corresponding to the double-headed key, five cylinder bodies are equidistantly distributed in the shell, the left end of the double-headed key extends into the oil through disc and is connected with an oil distribution disc, an oil duct correspondingly communicated with the oil distribution disc and the cylinder bodies is arranged on the rear cover, the oil duct comprises an oil inlet duct and an oil outlet duct, a plunger body is arranged in each cylinder body, the cylinder bodies are correspondingly communicated with the oil duct, and a ball sleeve is arranged on the outer wall of the crankshaft, the plunger body is supported on the ball sleeve.

2. The tilt cylinder motor for hoisting a crane according to claim 1, wherein: the left side of the rear cover is provided with an inner side plate, and the inner side plate is positioned on the right side of the oil distribution disc.

3. The tilt cylinder motor for hoisting a crane according to claim 1, wherein: and a bush is arranged at the joint of the cylinder body and the oil duct of the rear cover.

4. The tilt cylinder motor for hoisting a crane according to claim 1, wherein: the inner wall joint of cylinder body has the plunger ring, the outer wall sliding connection of plunger ring and the plunger body.

5. The tilt cylinder motor for hoisting a crane according to claim 1, wherein: and a roller is arranged between the inner wall of the ball sleeve and the outer wall of the crankshaft.

6. The tilt cylinder motor for hoisting a crane according to claim 1, wherein: and two ends of the outer wall of the ball sleeve are provided with retaining rings, and the retaining rings at the two ends are positioned at two sides of the plunger body.

7. The tilt cylinder motor for hoisting a crane according to claim 6, wherein: and a belleville spring is arranged between the outer side of the retaining ring and the outer end part of the ball sleeve.

8. A tilt cylinder motor for hoisting a crane according to claim 3, wherein: and a sealing ring is embedded in front of the rear cover and the bushing.