CN116061123A - Universal coupling installation auxiliary device and universal coupling installation method - Google Patents

Abstract

The invention relates to the technical field of connecting bearings, in particular to a universal coupling installation auxiliary device and a universal coupling installation method. According to the auxiliary device and the method for installing the universal coupling, provided by the invention, the flange plate and the cross rod are integrally formed, the central axis of the cross rod is perpendicular to the end face of the flange plate, errors caused by other connection modes are avoided, the perpendicularity precision between the flange plate and the cross rod is ensured, and the errors are reduced for the follow-up determination of the installation position of the universal coupling. The distance between the end face of one side, deviating from the cross rod, of the cross rod and the flange plate is equal to the distance between the end face of the hinged seat and the rotating shaft, and the first groove is formed in the position, where the distance is equal to the distance between the end face of the hinged seat and the rotating shaft, of the cross rod, so that whether the installation position of the universal coupling installation auxiliary device meets the installation requirement or not is convenient for workers to calculate, the fact that the rotatable angle of the universal coupling, around the rotating shaft, of the universal coupling is in a preset range when the universal coupling is installed at the to-be-installed position is guaranteed, the driving shaft and the driven shaft are accurately positioned, and the shafting is guaranteed to rotate smoothly, so that the service life of the shafting is prolonged.

Description

Universal coupling installation auxiliary device and universal coupling installation method

Technical Field

The invention relates to the technical field of bearings, in particular to a universal coupling installation auxiliary device and a universal coupling installation method.

Background

In the ship manufacturing industry, a shafting of a Z-shaped full-rotation rudder propeller is adopted, wherein the installation positions of a main engine serving as a power output end and an execution end rudder propeller are greatly different in the height direction, and a driving shaft and a driven shaft between the main engine and the rudder propeller are required to be connected by using a universal coupling so as to transmit torque of the driving shaft to the driven shaft. The installation position required to be ensured before the universal coupling is used for connecting the driving shaft and the driven shaft meets the transmission requirement of the shafting, otherwise, the shafting is subjected to shearing force perpendicular to the axis, and the service life of the shafting is reduced. In the Z-shaped shafting, the axes of the driving shaft and the driven shaft are not approximately on the same straight line, and the angle difference between the two axes is large, so that the conventional axis centering equipment cannot be applied to the working environment.

There is therefore a need for a universal joint installation aid and a universal joint installation method that solve the above-mentioned problems.

Disclosure of Invention

The invention provides an auxiliary device for installing a universal coupling, which can be used for assisting in installing the universal coupling between a driving shaft and a driven shaft of a Z-shaped shafting, ensuring that the axis angle of the universal coupling is within a preset range when the universal coupling is installed at a position to be installed, ensuring that the driving shaft and the driven shaft are positioned accurately, ensuring that the shafting rotates smoothly, and prolonging the service life of the shafting.

To achieve the purpose, the invention adopts the following scheme:

the utility model provides a universal joint installs auxiliary device, be configured to auxiliary installation universal joint in the shafting, this shafting includes driving shaft and driven shaft, this universal joint includes articulated seat and even axle, this articulated seat is connected in the pivot with this even axle, this universal joint installs auxiliary device includes ring flange and horizontal pole, this ring flange and this horizontal pole integrated into one piece, the central axis of this horizontal pole is perpendicular with the terminal surface of this ring flange, this ring flange is configured to be connected with the terminal surface of this driving shaft or driven shaft, be provided with first recess on this horizontal pole, distance between the terminal surface of this first recess center and this ring flange deviating from this horizontal pole one side equals the distance between terminal surface of this articulated seat and this pivot.

Alternatively, the rail is a cylindrical rail.

Alternatively, the first recess is provided with a sample punch at the center.

As an alternative, the end surface of the cross rod, which is away from the flange plate, is provided with a second groove, and the universal coupling installation auxiliary device further comprises a thimble, and the thimble is inserted into the second groove.

Alternatively, the shaft of the cross bar is provided with a threaded bore configured to secure the ejector pin within the second recess by a fastener.

Alternatively, the end face of the flange is provided with a plurality of through holes, and the through holes are distributed at intervals along the circumferential direction of the flange.

As an alternative, the universal coupling installation auxiliary device further comprises reinforcing ribs, which are arranged at the joint of the flange plate and the cross rod and are circumferentially arranged at intervals along the flange plate.

The invention provides a universal coupling installation method which can assist in installing a universal coupling between a driving shaft and a driven shaft of a Z-shaped shafting, so that the driving shaft and the driven shaft are positioned accurately, the shafting is ensured to rotate smoothly, and the service life of the shafting is prolonged.

To achieve the purpose, the invention adopts the following scheme:

a method of installing a universal joint, using the universal joint installation assisting apparatus of any one of the above, the method comprising:

the flange plates of the two universal coupling installation auxiliary devices are respectively connected with the end surfaces of a driving shaft and a driven shaft in a shafting;

one end of each of the two universal coupling installation auxiliary devices, which is away from the flange plate, is mutually abutted;

the universal coupling installation auxiliary device is adjusted to enable the relative angle of a driving shaft and a driven shaft in the shafting to be an angle capable of installing the universal coupling.

As an alternative, adjusting the universal joint installation auxiliary device to make the relative angle of the driving shaft and the driven shaft in the shafting be the angle at which the universal joint can be installed specifically includes:

calculating an axis included angle alpha of the two cross bars;

obtaining an axis folding angle beta of the universal coupling according to the technological parameters of the universal coupling, wherein the axis folding angle beta is a rotatable angle of the coupling around the rotating shaft;

and the two universal coupling installation auxiliary devices are kept to be mutually abutted against one end deviating from the flange plate, and the relative angle of the driving shaft and the driven shaft is adjusted, so that the axis included angle alpha is larger than the axis folded angle beta of the universal coupling.

As an alternative, calculating the included angle between the axes of the two crossbars specifically includes:

obtaining the length A of the universal coupling installation auxiliary device according to the manufacturing process parameters of the universal coupling installation auxiliary device;

obtaining the distance C between the sample punching hole and the end surface of the flange plate, which is away from one side of the cross rod, according to manufacturing process parameters of the universal coupling installation auxiliary device;

measuring the distance B between two sample punches;

calculating an axis included angle alpha of the two transverse rods according to the relation among the length A of the universal coupling installation auxiliary device, the distance B between the two sample punching holes and the distance C between the end faces of the flange plate on the side away from the transverse rods, wherein,

the beneficial effects of the invention are as follows:

according to the auxiliary device and the method for installing the universal coupling, provided by the invention, the flange plate and the cross rod are integrally formed, the central axis of the cross rod is perpendicular to the end face of the flange plate, errors caused by other connection modes are avoided, the perpendicularity precision between the flange plate and the cross rod is ensured, and the errors are reduced for the follow-up determination of the installation position of the universal coupling. The distance between the end face of one side, deviating from the cross rod, of the cross rod and the flange plate is equal to the distance between the end face of the hinged seat and the rotating shaft, and the first groove is formed in the position, where the distance is equal to the distance between the end face of the hinged seat and the rotating shaft, of the cross rod, so that whether the installation position of the universal coupling installation auxiliary device meets the installation requirement or not is convenient for workers to calculate, the fact that the rotatable angle of the universal coupling, around the rotating shaft, of the universal coupling is in a preset range when the universal coupling is installed at the to-be-installed position is guaranteed, the driving shaft and the driven shaft are accurately positioned, and the shafting is guaranteed to rotate smoothly, so that the service life of the shafting is prolonged.

Drawings

FIG. 1 is a schematic view of the structure of a universal joint in operation;

FIG. 2 is a schematic view of the structure of the universal joint installation assisting device according to the embodiment of the present invention in operation;

FIG. 3 is a schematic view of a universal joint installation aid according to an embodiment of the present invention;

fig. 4 is a schematic view of angle calculation of the universal joint installation assisting device according to the embodiment of the present invention.

In the figure:

100. a flange plate; 110. a through hole; 200. a cross bar; 210. a first groove; 220. a second groove; 230. a threaded hole; 300. a thimble; 400. a driving shaft; 500. a driven shaft; 600. a universal coupling; 610. a hinge base; 620. a connecting shaft; 630. a rotating shaft; A. the length of the universal coupling installation auxiliary device; B. the distance between two such sample punches; C. the distance between the sample punching hole and the end surface of the flange plate, which is away from one side of the cross rod; alpha, the included angle of the axes of the two cross bars.

Detailed Description

The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.

In the present invention, directional terms, such as "upper", "lower", "left", "right", "inner" and "outer", are used for convenience of understanding and are not to be construed as limiting the scope of the present invention unless otherwise specified.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The present embodiment provides a universal joint installation assisting device for assisting in installing a universal joint 600 in a shafting. As shown in fig. 1, the shafting comprises a driving shaft 400 and a driven shaft 500, and the universal joint 600 comprises a hinge base 610 and a connecting shaft 620, wherein the hinge base 610 and the connecting shaft 620 are rotatably connected through a rotating shaft 630.

Referring to fig. 2 and 3, the auxiliary device for installing a universal joint provided in this embodiment includes a flange plate 100 and a cross rod 200, the flange plate 100 and the cross rod 200 are integrally formed, a central axis of the cross rod 200 is perpendicular to an end surface of the flange plate 100, the flange plate 100 is used for being connected with an end surface of a driving shaft 400 or a driven shaft 500, a first groove 210 is disposed on the cross rod 200, and a distance between a center of the first groove 210 and an end surface of the flange plate 100, which is away from one side of the cross rod 200, is equal to a distance between an end surface of a hinge seat 610 and an axis of a rotating shaft 630. Through setting up ring flange 100 and horizontal pole 200 integrated into one piece, the central axis of horizontal pole 200 is perpendicular with the terminal surface of ring flange 100, avoids the error that other connected modes brought, guarantees the straightness accuracy that hangs down between ring flange 100 and the horizontal pole 200, reduces the error for the universal joint 600 mounted position of follow-up determination. Through set up first recess 210 in the distance department that equals between the terminal surface of articulated seat 610 and the pivot 630 with the ring flange 100 between the terminal surface of deviating from horizontal pole 200 one side on horizontal pole 200 to make things convenient for the staff to calculate whether universal joint installation auxiliary device's mounted position subsequently accords with the installation demand, thereby guarantee that universal joint 600 installs in waiting the mounted position its pivot 620 revolute the rotatable angle of pivot 630 in the default, make driving shaft 400 and driven shaft 500 location accurate, guarantee that the shafting rotates smoothly, in order to improve the life of shafting.

Preferably, the crossbar 200 in this embodiment is a cylindrical crossbar. The transverse rod 200 is a cylindrical transverse rod, so that the stress at the joint is uniform when the transverse rod 200 and the flange plate 100 are integrally formed, and the perpendicularity precision between the transverse rod 200 and the flange plate 100 in use of the universal coupling installation auxiliary device is guaranteed, so that the precision of determining the installation position is guaranteed.

In order to further enhance the stable connection between the flange 100 and the cross bar 600, the auxiliary device for installing the universal joint of the present embodiment further includes reinforcing ribs disposed at the connection between the flange 100 and the cross bar 200 and circumferentially spaced apart along the flange 100. In the process of using two universal couplings to install auxiliary devices, as the tail ends of the two cross bars 200 need to be mutually abutted, if the connection between the flange plate 100 and the cross bars 200 is not stable enough, the angle between the cross bars 600 and the flange plate 100 can be changed by the reaction force caused by the abutting of the tail ends of the cross bars 200, and the perpendicularity between the flange plate 100 and the cross bars 200 can be ensured not to be affected by arranging the reinforcing ribs at the connection part between the flange plate 100 and the cross bars 200.

In order to improve the use accuracy of the universal joint installation auxiliary device, a sample punch hole is provided in the center of the first groove 210 in this embodiment. The center of the first groove 210 is provided with the sample punch hole, so that the distance between the sample punch hole and the end face of the flange plate 100 is equal to the distance between the end face of the cross rod 200 and the end face of the flange plate 100, which is away from the cross rod 200, and the distance between the end face of the hinge base 610 and the rotating shaft 630.

When the universal joint installation auxiliary device is used for determining the installation position of the universal joint 600, two universal joint installation auxiliary devices are needed, the tail ends of the two cross rods 200 are abutted, then the axis included angle alpha of the two cross rods 200 is calculated, in order to improve the measurement accuracy, the end face, away from the flange plate 100, of the cross rod 200 in the embodiment is provided with the second groove 220, the universal joint installation auxiliary device further comprises the thimble 300, and the thimble 300 is inserted into the second groove 220. By arranging the thimble 300 in the second groove 220, the thimble 300 is positioned at the tail end of the cross bar 200, and the precision of the axis included angle alpha measured and calculated when the tips of the two thimbles 300 are contacted is higher because the area of the tip of the thimble 300 is smaller.

In order to improve the stability of the ejector pin 300 in the second groove 220, the shaft of the cross bar 200 of the present embodiment is provided with a threaded hole 230, and the ejector pin 300 is fixed in the second groove 220 by passing a fastener through the threaded hole 230. The thimble 300 is tightly propped up from the outside to the inside of the rod body of the cross rod 200 through the fastener, so that the thimble 300 can be effectively ensured to be stably arranged in the second groove 220, and when the thimble 300 of the two universal coupling installation auxiliary devices are contacted with each other, the thimble 300 cannot loosen to cause errors when related data are measured, thereby ensuring that the precision of the measured and calculated axis included angle alpha is higher. In particular, the fastener may be a screw. Further preferably, the number of the threaded holes 230 is plural, and the thimble 300 is fixed by a plurality of screws by providing a plurality of threaded holes 230, so that the straightness of the thimble 300 and the cross bar 200 is kept consistent, thereby further ensuring the accuracy of the measurement of the related data.

In order to facilitate connection between the flange 100 and the end surface of the driving shaft 400 or the driven shaft 500, the end surface of the flange 100 in this embodiment is provided with a plurality of through holes 110, and the plurality of through holes 110 are circumferentially spaced apart along the flange 100. The distribution positions of the through holes 110 are consistent with the diameters and distribution positions of the connecting holes of the end surfaces to be connected, and the flange plate 100 can be firmly connected with the driving shaft 400 or the driven shaft 500 by using the bolt-nut fasteners, so that the use of the universal coupling installation auxiliary device is facilitated.

The embodiment also provides a universal coupling installation method, which adopts the universal coupling installation auxiliary device, and comprises the following specific steps: firstly, the flange plates 100 of the two universal coupling installation auxiliary devices are respectively connected with the end surfaces of the driving shaft 400 and the driven shaft 500 in the shafting, then one ends of the two universal coupling installation auxiliary devices, which are away from the flange plates 100, are mutually abutted, and finally, the universal coupling installation auxiliary devices are adjusted to enable the relative angle of the driving shaft 400 and the driven shaft 500 in the shafting to be the angle capable of installing the universal coupling 600.

Specifically, the specific steps of adjusting the universal joint installation auxiliary device in this embodiment to make the relative angle of the driving shaft 400 and the driven shaft 500 in the shafting be the angle at which the universal joint 600 can be installed are as follows: firstly, calculating an axis included angle alpha of the two crossbars 200, then obtaining an axis folded angle beta of the universal joint 600 according to the technological parameters of the universal joint 600, wherein the axis folded angle beta is the rotatable angle of the connecting shaft 620 around the rotating shaft 630, and finally, keeping one ends of the two universal joint installation auxiliary devices, which are away from the flange plate 100, mutually abutted, and adjusting the relative angle of the driving shaft 400 and the driven shaft 500 to enable the axis included angle alpha to be larger than the axis folded angle beta of the universal joint 600.

Referring to fig. 4, the specific steps for calculating the included angle α between the axes of the two crossbars 200 in this embodiment are as follows: firstly, the length A of the universal joint installation auxiliary device is obtained according to the manufacturing process parameters of the universal joint installation auxiliary device, then the distance C between the sample punching holes and the end face of the flange plate 100 on the side far away from the cross rod 200 is obtained according to the manufacturing process parameters of the universal joint installation auxiliary device, then the distance B between the two sample punching holes is measured, finally the axis included angle alpha of the two cross rods 200 is calculated according to the relation among the length A of the universal joint installation auxiliary device, the distance B between the two sample punching holes and the distance C between the end face of the flange plate 100 on the side far away from the cross rod 200,

the axis included angle alpha can be calculated by only measuring the distance B between the two sample holes, so that the positions of the driving shaft 400 and the driven shaft 500 are adjusted according to the condition of the axis included angle alpha to determine the installation position of the universal coupling, and the universal coupling installation method provided by the embodiment is convenient and effective, and can quickly determine the installation position of the universal coupling 600, thereby reducing the shafting adjustment time and further improving the production and manufacturing efficiency.

It is to be understood that the above-described embodiments of the present invention are provided by way of illustration only and not limitation of the embodiments thereof. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (10)

1. The utility model provides a universal joint installs auxiliary device, is configured to auxiliary installation universal joint (600) in the shafting, the shafting includes driving shaft (40) and driven shaft (500), universal joint (600) include articulated seat (610) and connecting axle (620), articulated seat (610) with connecting axle (620) are connected in pivot (630), characterized in that, universal joint installs auxiliary device includes ring flange (100) and horizontal pole (200), ring flange (100) with horizontal pole (200) integrated into one piece, the central axis of horizontal pole (200) with the terminal surface of ring flange (100) is perpendicular, ring flange (100) be configured with the terminal surface connection of driving shaft (400) or driven shaft (500), be provided with first recess (210) on horizontal pole (200), the distance between the terminal surface of first recess (210) center with ring flange (100) one side deviates from horizontal pole (200) equals the distance between the terminal surface of articulated seat (610) and pivot (630).

2. The universal joint installation aid according to claim 1, wherein the cross bar (200) is a cylindrical cross bar.

3. The universal joint mounting aid according to claim 1, wherein the first recess (210) is centrally provided with a sample punch.

4. The universal joint installation auxiliary device according to claim 1, wherein a second groove (220) is formed in an end surface of the cross rod (200) facing away from the flange plate (100), and the universal joint installation auxiliary device further comprises a thimble (300), and the thimble (300) is inserted into the second groove (220).

5. The universal joint installation aid according to claim 4, wherein the shaft of the cross bar (200) is provided with a threaded hole (230), the threaded hole (230) being configured to secure the thimble (300) within the second groove (220) by means of a fastener.

6. The universal joint mounting auxiliary device according to any one of claims 1 to 5, wherein the end face of the flange plate (100) is provided with a plurality of through holes (110), and a plurality of the through holes (110) are circumferentially spaced apart along the flange plate (100).

7. The universal joint installation assisting device according to claim 6, further comprising reinforcing ribs which are arranged at the connection part of the flange plate (100) and the cross bar (200) and are arranged at intervals along the circumferential direction of the flange plate (100).

8. A universal joint installation method, characterized in that the universal joint installation auxiliary device according to any one of claims 1 to 7 is employed, the universal joint (600) installation method comprising:

connecting the flange plates (100) of the two universal joint installation auxiliary devices with the end surfaces of the driving shaft (400) and the driven shaft (500) respectively;

one ends of the two universal coupling installation auxiliary devices, which deviate from the flange plate (100), are mutually abutted;

the relative angle of the driving shaft (400) and the driven shaft (500) is adjusted to an angle at which a universal joint (600) can be mounted.

9. The universal joint (600) mounting method according to claim 8, wherein adjusting the relative angle of the driving shaft (400) and the driven shaft (500) to the angle of the mountable universal joint (600) specifically comprises:

calculating an axis included angle alpha of the two cross bars (200);

obtaining an axis folding angle beta of the universal coupling (600) according to the technological parameters of the universal coupling (600), wherein the axis folding angle beta is a rotatable angle of the connecting shaft (620) around the rotating shaft (630);

and one ends of the two universal coupling installation auxiliary devices, which deviate from the flange plate (100), are kept to be mutually abutted, and the relative angle of the driving shaft (400) and the driven shaft (500) is adjusted, so that the axis included angle alpha is larger than the axis folded angle beta of the universal coupling (600).

10. The method of installing a universal joint (600) according to claim 9, wherein calculating the included angle between the axes of the two crossbars (200) comprises:

obtaining the length A of the universal joint installation auxiliary device according to manufacturing process parameters of the universal joint installation auxiliary device;

obtaining a distance C between the sample punching hole and the end surface of the flange plate (100) at one side deviating from the cross rod (200) according to manufacturing process parameters of the universal coupling installation auxiliary device;

measuring the distance B between two sample punches;

calculating an axis included angle alpha of the two transverse rods (200) according to the relation among the length A of the universal coupling installation auxiliary device, the distance B between the two sample punching holes and the distance C between the end surfaces of the side, away from the transverse rods (200), of the flange plate (100), wherein,

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