CN211142650U

CN211142650U - Universal paper guide rope pulley

Info

Publication number: CN211142650U
Application number: CN201922195422.XU
Authority: CN
Inventors: 何涛
Original assignee: Sichuan Chengfa Paper Machinery Co ltd
Current assignee: Sichuan Chengfa Paper Machinery Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-07-31
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses an universal paper leading rope pulley, which comprises a ball head fixed at one end of a wheel shaft, a ball joint component matched with the spherical surface of the ball head and a wheel body sleeved on the ball joint component through a bearing rotating sleeve, wherein the ball joint component comprises a support ring, a top shaft, a bolt and a screw rod; a limiting hole with the axis coincident with the axis of the wheel shaft is arranged on the ball head; the bolt is in threaded connection with the jacking shaft, a threaded hole with an axis coincident with the bolt is formed in the bolt, the screw is in threaded connection with the threaded hole, and when the axis of the limiting hole is coincident with the axis of the support ring, one end, close to the ball head, of the screw is inserted into the limiting hole and is in transition fit with the limiting hole; the wheel body is rotatably sleeved on the support ring through a bearing. The utility model discloses can move the flexible variability of angle, can become traditional fixed paper rope sheave of drawing again, can also carry out position control to drawing the paper rope sheave at arbitrary angle based on various actual need simultaneously, improve the convenience in use who draws the paper rope sheave.

Description

Universal paper guide rope pulley

Technical Field

The utility model relates to a papermaking equipment field, concretely relates to universal formula draws paper rope sheave.

Background

The draw ropes of a paper machine have to change with the change of the moving direction of the paper, and the draw sheaves are used to change the moving direction of the draw ropes. When a set of system is formed by a plurality of rope wheels, a plurality of paper guide rope wheels are not arranged on the same line or the fixed paper guide rope wheels have rope skipping danger in the using process when the direction needs to be changed, so that the ropes are separated from the wheel for guiding.

To above-mentioned problem, prior art CN203188056U discloses a movable paper guide rope sheave device, and it includes the paper guide rope sheave, paper guide rope sheave terminal surface be the recess shape, paper guide rope sheave center be equipped with spherical axle complex mounting hole, the mounting hole left end be equipped with cooperation spherical axle pivoted briquetting, spherical axle front end be the ball, the rear end is the columniform structure, spherical axle front end install in the mounting hole of paper guide rope sheave. The paper guide rope wheel can rotate around the spherical center of the ball, and the movement angle of the paper guide rope wheel is flexible and variable.

The paper guide rope wheel is provided with a spherical movable joint, so that the paper guide rope wheel can only movably rotate; the fixed rope wheel can not be used in some occasions needing the fixed rope wheel, and a corresponding fixed paper guide rope wheel needs to be selected. In view of the above, there is a need for a comprehensive paper guiding sheave that has a flexible and variable movement angle and can eliminate spherical joints and is a fixed connection type.

Disclosure of Invention

The utility model aims to provide a: the universal paper leading rope wheel has flexible and changeable motion angle and spherical joint eliminating function, and may be used as fixed connection type comprehensive paper leading rope wheel. The utility model discloses an universal paper rope sheave that draws, it can move the angle nimble variable, can become traditional fixed paper rope sheave that draws again, can also carry out position control to drawing the paper rope sheave at arbitrary angle based on various actual need simultaneously, has improved the convenience in use who draws the paper rope sheave.

The utility model adopts the technical scheme as follows:

the universal paper leading rope pulley comprises a ball head fixed at one end of a wheel shaft, a ball joint assembly matched with the spherical surface of the ball head and a wheel body rotatably sleeved on the ball joint assembly through a bearing, wherein the ball joint assembly comprises a support ring, a top shaft, a bolt and a screw rod, the axes of the support ring and the wheel body are all coincident with the axis of the wheel body;

one end of the top shaft is provided with a hemispherical groove B, the axis of the groove B is superposed with the axis of the top shaft, the sphere diameter of the groove B is consistent with that of the ball head, one end of the top shaft, which is provided with the groove B, is inserted into the large-diameter hole and is in threaded connection with the wall of the large-diameter hole, the port of the groove B is coplanar with the port of the groove A, a major concave ball groove body is formed by splicing the ports, the ball head is matched with the major concave ball groove body, and the wheel shaft penetrates out of the small-diameter hole;

one end of the ball head, which is far away from the wheel shaft, is provided with a limiting hole of which the axis is superposed with the axis of the wheel shaft;

the bolt is in threaded connection with the jacking shaft, the diameter of the bolt is consistent with the aperture of the limiting hole, the bolt can be rotated to enable the tail end of the rod part of the bolt to be in contact with one end, far away from the wheel shaft, of the ball head, a threaded hole with an axis coincident with the bolt is formed in the bolt, the screw rod is in threaded connection with the threaded hole, and when the axis of the limiting hole is coincident with the axis of the support ring, one end, close to the ball head, of the screw rod is inserted into the limiting hole and is in transition fit;

the wheel body is rotatably sleeved on the support ring through a bearing.

Furthermore, a ball contact assembly is arranged at the tail end of the rod part of the bolt, the ball contact assembly comprises a bearing A and a contact shaft, the axes of the bearing A and the contact shaft are coincident with the axis of the bolt, an installation hole is arranged at the tail end of the rod part of the bolt, the axis of the installation hole is coincident with the axis of the threaded hole, and the aperture of the installation hole is larger than that of the threaded hole;

the bearing A is arranged in the mounting hole, and the outer ring of the bearing A is in interference fit with the mounting hole;

the contact shaft is a two-stage stepped shaft, the small-diameter end of the contact shaft is inserted into the inner hole of the bearing A and is in interference fit with the inner hole, and the large-diameter end of the contact shaft can be in contact with the ball head.

Further, the large-diameter end of the contact shaft is recessed into a concave-inferior spherical groove A, and when the large-diameter end of the contact shaft is in contact with the ball head, the ball head is internally tangent to the groove A.

Further, a layer of anti-skid rubber pad is arranged in the groove A.

Furthermore, a hexagonal hole is formed in one end, far away from the ball head, of the screw rod.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

1. the universal paper-leading rope pulley of the utility model, when the axis of the pulley body and the axis of the pulley shaft are required to be coincident to use the pulley body to pull the rope, firstly, the pulley shaft is adjusted to be coaxial with the axis of the pulley body, and then the screw rod is rotated to be inserted into the limiting hole, thereby limiting the ball joint component to rotate relative to the ball head, and ensuring the synchronism of the ball joint component and the ball head; then, the bolt is rotated to enable the tail end of the rod part of the bolt to be abutted to the ball head, so that the shearing force generated on the screw rod when the rope rubs the wheel body to drive the wheel body to generate a movement trend is reduced, and the service life of the screw rod is prolonged;

2. the universal paper leading rope wheel of the utility model can not only flexibly change the motion angle, but also change the motion angle into a traditional fixed paper leading rope wheel, and simultaneously can carry out position control on the paper leading rope wheel at any angle based on various actual needs, thereby improving the use convenience of the paper leading rope wheel;

3. the utility model discloses universal paper rope sheave, when needing to form between the wheel face of wheel body and the shaft one and be in 0 ~ 90, for example when 80 the angle, slack bolt and screw rod earlier, rotate the wheel body around the centre of sphere of bulb, adjust to suitable position after, screw up the bolt, so that the bulb inscribes in recess A, and the bolt top tightens the bulb, thereby fix the wheel body for the bulb, in order to satisfy the adjustment of wheel body for the shaft under the specific condition, enlarged the utility model discloses an application scope has improved its suitability;

4. the utility model discloses universal paper rope wheel, the setting of hexagonal hole is convenient for adopt the less screw rod of length to make it be located the screw hole, then move the instrument through relevant twisting and insert the screw hole in the cooperation and rotate the screw rod, reduced the utility model discloses axial length.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, and the proportional relationship of each component in the drawings in the present specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a ball joint assembly;

FIG. 3 is a schematic view of the bolt and screw engagement;

fig. 4 is a schematic structural diagram of the bolt screw when the bolt screw is not at the station.

Reference numerals in the drawings indicate:

1-bearing, 2-support ring, 3-top shaft, 4-bolt, 5-screw, 6-ball head, 7-wheel shaft, 8-wheel body, 9-limiting hole, 10-bearing A, 11-contact shaft, 12-threaded hole, 13-mounting hole, 14-groove A, 15-antiskid rubber pad and 16-hexagonal hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

The term "connected" as used herein is intended to mean a conventional connection, such as integrally formed, welded, riveted, etc., if not specifically emphasized, and the specific connection is preferably adapted according to conventional technical knowledge in the art. All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to fig. 1 to 4.

Example 1

As shown in fig. 1-4, the universal paper guide rope sheave comprises a ball head 6 fixed at one end of a wheel shaft 7, a ball joint assembly matched with the spherical surface of the ball head 6, and a wheel body 8 rotatably sleeved on the ball joint assembly through a bearing 1, wherein the ball joint assembly comprises a support ring 2, a top shaft 3, a bolt 4 and a screw 5, the axes of which are coincident with the axes of the wheel body 8, an inner hole of the support ring 2 is a secondary stepped hole, a hemispherical groove a is arranged at the bottom of a large-diameter hole, the diameter of the spherical groove a is between the diameter of the small-diameter hole and the diameter of the large-diameter hole, the diameter of the spherical groove a is consistent with the diameter of the ball head 6, and the axis of the spherical;

one end of the top shaft 3 is provided with a hemispherical groove B, the axis of the groove B is superposed with the axis of the top shaft 3, the sphere diameter of the groove B is consistent with that of the ball head 6, one end of the top shaft 3, which is provided with the groove B, is inserted into the large-diameter hole and is in threaded connection with the wall of the large-diameter hole, the port of the groove B is coplanar with the port of the groove A, a major concave ball groove body is formed by splicing the ball head 6 and the major concave ball groove body, and the wheel shaft 7 penetrates out of the small-diameter hole;

a limiting hole 9 with the axis coincident with the axis of the wheel shaft 7 is arranged at one end of the ball head 6, which is far away from the wheel shaft 7;

the bolt 4 is in threaded connection with the top shaft 3, the diameter of the bolt is consistent with the aperture of the limiting hole 9, the bolt 4 can be rotated to enable the tail end of the rod part of the bolt 4 to be in contact with one end, far away from the wheel shaft 7, of the ball head 6, a threaded hole 12 with an axis coincident with the bolt 4 is formed in the bolt 4, the screw rod 5 is in threaded connection with the threaded hole 12, and when the axis of the limiting hole 9 is coincident with the axis of the support ring 2, one end, close to the ball head 6, of the screw rod 5 is inserted into the limiting hole 9 and is in transition;

the wheel body 8 is rotatably sleeved on the support ring 2 through the bearing 1.

When the paper guide rope pulley with a flexibly-variable motion angle is needed, the bolt 4 and the screw 5 are rotated, so that the tail end of the rod part of the bolt 4 is far away from the ball head 6, and the screw 5 is withdrawn from the limiting hole 9; so that the ball joint assembly can drive the wheel body 8 to rotate around the spherical center of the ball head, as shown in fig. 4; when the axis of the wheel body 8 and the axis of the wheel shaft 7 are required to be coincident to use the wheel body 8 to pull the rope, the wheel shaft 7 is adjusted to be coaxial with the axis of the wheel body 8, and then the screw rod 5 is rotated to be inserted into the limiting hole 9, so that the ball joint component is limited to rotate relative to the ball head, and the synchronism of the ball joint component and the ball head is ensured; then, the bolt 4 is rotated to enable the tail end of the rod part of the bolt to be abutted to the ball head, as shown in fig. 1, so that the shearing force generated on the screw rod when the rope rubs the wheel body to drive the wheel body to generate a motion trend is reduced, and the service life of the screw rod is prolonged.

The utility model discloses an universal paper rope sheave that draws, it can move the angle nimble variable, can become traditional fixed paper rope sheave that draws again, can also carry out position control to drawing the paper rope sheave at arbitrary angle based on various actual need simultaneously, has improved the convenience in use who draws the paper rope sheave.

Example 2

This embodiment is based on embodiment 1, and the present invention is further described.

As shown in fig. 1-3, in the present invention, a ball contact assembly is disposed at the end of the rod portion of the bolt 4, the ball contact assembly includes a bearing a10 and a contact shaft 11, the axes of which are coincident with the axis of the bolt 4, a mounting hole 13 is disposed at the end of the rod portion of the bolt 4, the axis of the mounting hole 13 is coincident with the axis of the threaded hole 12, and the diameter of the mounting hole is larger than the axis of the threaded hole 12;

the bearing A10 is installed in the installation hole 13, and the outer ring of the bearing A10 is in interference fit with the installation hole 13;

the contact shaft 11 is a two-stage stepped shaft, the small diameter end of the contact shaft is inserted into the inner hole of the bearing A and is in interference fit with the inner hole, and the large diameter end of the contact shaft can be in contact with the ball head 6.

Make it rotate with bolt 4 and be connected and relative bulb keep static through setting up ball contact assembly, the condition of friction damage bulb surface when having avoided rotating bolt 4 has guaranteed bulb surface quality.

Further, the large diameter end of the contact shaft 11 is recessed into a concave-inferior spherical groove a14, and when the large diameter end of the contact shaft 11 contacts the ball head 6, the ball head 6 is inscribed in the groove a 14.

The ball head 6 is internally tangent to the groove A14, so that the ball contact assembly and the ball head 6 are in surface-to-surface contact, the friction force between the bolt and the ball head is increased, and the positioning of the bolt on the ball head is improved. Particularly, when the paper guide rope wheel with a flexibly variable movement angle is not needed and the wheel body is not needed to be overlapped with the axis of the wheel shaft, the wheel body can be fastened through sufficient friction force when the wheel body required to be in a certain position is fixed. For example, when it is required that an angle between the wheel surface of the wheel body and the wheel axle is 0-90 degrees, for example, 80 degrees, the bolts and the screw rods are loosened, the wheel body is rotated around the spherical center of the ball head 6, the bolts are tightened after being adjusted to a proper position, so that the ball head 6 is internally tangent to the groove A14, the bolts are tightly propped against the ball head, the wheel body is fixed relative to the ball head 6, the adjustment of the wheel body relative to the wheel axle under a specific condition is met, the application range of the utility model is expanded, and the applicability of the wheel body is improved.

Further, a layer of anti-skid rubber pad 15 is arranged in the groove A14.

The friction force between the bolt and the ball head is increased due to the arrangement of the anti-skidding rubber pads, and the stability of fixing the wheel body at any position is improved.

Further, a hexagonal hole 16 is arranged at one end of the screw rod 5 far away from the ball head 6. The setting of hexagonal hole 16 is convenient for adopt the less screw rod 5 of length to make it be located the screw hole, then move the instrument through relevant twisting and insert the screw rod is rotated in the screw hole cooperation, reduced the utility model discloses axial length.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. Universal paper rope sheave that draws, including fix bulb (6) in shaft (7) one end, with bulb (6) sphere complex ball joint subassembly and rotate the wheel body (8) that the cover established on the ball joint subassembly through bearing (1), its characterized in that: the ball joint assembly comprises a support ring (2), a top shaft (3), a bolt (4) and a screw (5), wherein the axes of the support ring (2) and the wheel body (8) are coincident, the inner hole of the support ring (2) is a secondary stepped hole, a hemispherical groove A with the ball diameter between the aperture of a small-diameter hole and the aperture of a large-diameter hole is arranged at the hole bottom of the large-diameter hole, the ball diameter of the groove A is consistent with that of a ball head (6), and the axis of the groove A and the axis of the support ring (2) are coincident;

one end of the top shaft (3) is provided with a hemispherical groove B, the axis of the groove B is superposed with the axis of the top shaft (3), the sphere diameter of the groove B is consistent with that of the ball head (6), one end of the top shaft (3) provided with the groove B is inserted into the large-diameter hole and is in threaded connection with the wall of the large-diameter hole, the port of the groove B is coplanar with the port of the groove A and is spliced to form a preferential groove ball groove body, the ball head (6) is matched with the preferential groove ball groove body, and the wheel shaft (7) penetrates out of the small-diameter hole;

a limiting hole (9) with the axis coincident with the axis of the wheel shaft (7) is arranged at one end of the ball head (6) far away from the wheel shaft (7);

the bolt (4) is in threaded connection with the top shaft (3), the diameter of the bolt is consistent with the aperture of the limiting hole (9), the bolt (4) can be rotated to enable the tail end of the rod part of the bolt to be in contact with one end, far away from the wheel shaft (7), of the ball head (6), a threaded hole (12) with an axis coincident with the bolt is formed in the bolt (4), the screw rod (5) is in threaded connection with the threaded hole (12), and when the axis of the limiting hole (9) is coincident with the axis of the support ring (2), one end, close to the ball head (6), of the screw rod (5) is inserted into the limiting hole (9) and is in transition fit with the limiting hole (9);

the wheel body (8) is rotatably sleeved on the support ring (2) through the bearing (1).

2. The universal paper guide sheave of claim 1, wherein: the tail end of the rod part of the bolt (4) is provided with a ball contact assembly, the ball contact assembly comprises a bearing A (10) and a contact shaft (11), the axes of the bearing A and the contact shaft are coincident with the axis of the bolt (4), the tail end of the rod part of the bolt (4) is provided with a mounting hole (13), the axis of the mounting hole (13) is coincident with the axis of the threaded hole (12), and the aperture of the mounting hole is larger than that of the threaded hole (12);

the bearing A (10) is installed in the installation hole (13), and the outer ring of the bearing A is in interference fit with the installation hole (13);

the contact shaft (11) is a two-stage stepped shaft, the small-diameter end of the contact shaft is inserted into the inner hole of the bearing A and is in interference fit with the inner hole, and the large-diameter end of the contact shaft can be in contact with the ball head (6).

3. The universal paper guide sheave of claim 2, wherein: the large-diameter end of the contact shaft (11) is recessed into a concave-inferior spherical groove A (14), and when the large-diameter end of the contact shaft (11) is in contact with the ball head (6), the ball head (6) is internally tangent to the groove A (14).

4. The universal diverting sheave of claim 3, wherein: a layer of anti-skid rubber pad (15) is arranged in the groove A (14).

5. The universal paper guide sheave of claim 1, wherein: a hexagonal hole (16) is arranged at one end of the screw rod (5) far away from the ball head (6).