CN115156299A - A device and method for quickly replacing roller-jointed shafts - Google Patents

Abstract

The invention discloses a device and method for rapidly replacing a roller connection shaft, comprising a bracket, and an upper roller connection shaft and a lower roller connection shaft arranged on the bracket through an adjustment mechanism; the adjustment mechanism includes an upper roller connection shaft Axle Mounting Kit and Lower Roller Axle Mounting Kit. The present invention realizes the upper and lower pressure plates by changing the structure of the pressure plate integrally installed in the prior art into the upper pressure plate and the lower pressure plate which are arranged independently, and the upper and lower pressure plates are respectively installed with the upper roller connection shaft mounting assembly and the lower roller connection shaft installation assembly. Independent replacement of roll-on shafts and lower roll-on shafts. In the present invention, an adjustment mechanism for auxiliary installation of the roller connection shaft is provided, and the adjustment mechanism includes the hinged upper roller connection shaft installation component and the lower roller connection shaft installation component, and the memory function can be realized after the initial installation of the roller connection shaft, and when it needs to be replaced When installing a new roller shaft, it can be installed directly through the adjustment mechanism without excessive adjustment.

Description

A device and method for quickly replacing roller-jointed shafts

technical field

The invention relates to the field of mechanical transmission devices, and in particular, to a device and method for rapidly replacing a roller connection shaft.

Background technique

As an important transmission component of equipment such as rolling mills, the rolling shaft needs to be replaced when it is seriously worn or scrapped. In the existing structure, a plurality of roller connection shafts are installed on an integrally arranged pressure plate. In this installation structure, when the roller connection shaft needs to be replaced, the other roller connection shafts on the pressure plate need to be disassembled together, otherwise it is impossible to Complete the replacement. In addition, during the disassembly process of the existing roller connection shaft, an additional crane needs to be configured to pull the roller connection shaft that does not need to be replaced.

Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a device and method for quickly replacing the roller connection shaft. By setting the upper roller connection shaft installation assembly, the lower roller connection shaft installation assembly, and an adjustment mechanism cooperating with the two, the roller connection shaft can be realized. quick installation and removal.

The above-mentioned technical purpose of the present invention is achieved through the following technical solutions:

A device for quickly replacing a roller connection shaft, comprising a bracket, and an upper roller connection shaft and a lower roller connection shaft arranged on the bracket through an adjustment mechanism;

The bracket includes a base plate, and a set of vertical plates is arranged on the base plate, and the space between the vertical plates is set as an upper cavity for installing the upper rolling shaft and a lower cavity for installing the lower rolling shaft;

The adjustment mechanism includes an upper roller-connected shaft installation assembly and a lower roller-connected shaft installation assembly;

The upper roller connection shaft installation assembly is installed on the side wall of the upper cavity through the upper pressure plate, and the upper roller connection shaft installation assembly includes a hinged support rod, a transmission block, an adjustment rod and an upper shaft sleeve, and the transmission block is arranged on the support rod. The top of the rod and the two ends of the transmission block are respectively connected to the support rod and the adjustment rod, the adjustment rod is connected to the upper shaft sleeve, and the two ends of the upper roller connecting shaft are respectively arranged in the upper cavity through the matching connection with an upper shaft sleeve;

The lower roller connection shaft installation assembly is installed on the side wall of the lower cavity through the lower pressure plate, and the lower roller connection shaft installation assembly includes a screw rod, a locking spring, a locking bolt and a lower shaft sleeve; the top of the screw rod and the bottom of the support rod are The lower shaft sleeve is sleeved on the screw rod, a locking spring is arranged on the screw rod below the lower shaft sleeve, and a locking bolt is arranged on the screw rod above the lower shaft sleeve.

The number of the adjusting mechanisms is two, which are symmetrically arranged on both sides of the bracket.

The upper pressure plate is provided with an upper limit adjustment groove, and the upper shaft sleeve is arranged in the upper limit adjustment groove and can move up and down along the upper limit adjustment groove under the transmission action of the upper roller connecting shaft mounting assembly.

The lower pressure plate is provided with a lower limit adjustment groove, and can move up and down along the lower limit adjustment groove under the transmission action of the lower roller connecting shaft mounting assembly.

The upper shaft sleeve is provided with a hinge point, and is connected with the adjusting rod through the hinge point.

The lower bushing comprises a bushing main body, a connecting end is provided on the side of the bushing main body, the connecting end is provided with a through hole, and is sleeved on the screw rod through the through hole.

The bottom end of the screw is provided with a limit bolt, the bottom of the locking spring sleeved on the screw is in contact with the limit bolt, the top of the locking spring is in contact with the lower surface of the lower sleeve, and the locking bolt is arranged above the lower sleeve, It is used to lock the position of the lower bushing.

A set of through holes are opened on the upper and lower pressure plates, and bolt holes matched with the through holes are opened on the vertical plate of the bracket. The upper pressure plate is installed on the vertical plate through the first bolt and the second bolt, and the lower pressure plate Installed on the vertical plate by the third bolt and the fourth bolt.

A method for quickly replacing a roller connection shaft, comprising the steps of:

1) Move the lower roller connection shaft to be installed to the installation position in the lower cavity through the crane;

2) Remove the fourth bolt, loosen the third bolt, and drive the lower roller connection shaft installation assembly to approach the lower roller connection shaft by rotating the lower pressure plate;

3) Adjust the position of the lower bushing through the locking spring so that it is aligned with the end of the lower roller connection shaft, and then continue to rotate the lower pressing plate to drive the lower roller connection shaft installation assembly until the end of the lower roller connection shaft enters the lower roller connection shaft Finally, lock it with the locking bolt, and tighten the third bolt and the fourth bolt to complete the rapid installation of the lower roller connection shaft;

4) Move the upper roller connection shaft to be installed to the installation position in the upper cavity through the crane;

5) Remove the first bolt, loosen the second bolt, and drive the upper roller connection shaft installation assembly to approach the upper roller connection shaft by rotating the upper pressure plate;

6) The transmission block and the adjusting rod adjust the position of the upper sleeve so that it is aligned with the end of the upper roller connection shaft (3), and then continue to rotate the upper pressure plate to drive the upper roller connection shaft installation assembly until the end of the upper roller connection shaft enters In the upper shaft sleeve, finally lock the transmission block, the adjusting rod and the upper shaft sleeve, and tighten the first bolt and the second bolt to complete the quick installation of the upper roller connection shaft;

7) When the lower roller connection shaft needs to be replaced due to excessive wear, it is only necessary to use a crane to hold the lower roller connection shaft, then remove the fourth bolt, loosen the third bolt, and drive the lower roller connection shaft to install by rotating the lower pressure plate in the opposite direction. The assembly is separated from the lower roller connection shaft; the new lower roller connection shaft can be installed according to steps 1)-3) to realize the rapid replacement of the lower roller connection shaft;

8) When the upper roller connection shaft needs to be replaced due to excessive wear, just use the crane to hold the upper roller connection shaft, then remove the first bolt, loosen the second bolt, and drive the upper roller connection shaft by rotating the upper platen in the opposite direction. The installation assembly is separated from the upper roller connection shaft; the new upper roller connection shaft can be installed according to steps 4)-6) to realize the rapid replacement of the upper roller connection shaft.

To sum up, the present invention has the following beneficial effects:

1. In the present invention, the upper and lower pressing plates are independently arranged by changing the overall installed pressing plate structure of the prior art, and the upper pressing plate and the lower pressing plate are respectively installed with the upper roller connecting shaft mounting assembly and the lower roller connecting shaft mounting assembly, so as to realize Independent replacement of the upper and lower roller shafts.

2. The present invention provides an adjustment mechanism for assisting the installation of the roller connection shaft. The adjustment mechanism includes the hinged upper roller connection shaft installation assembly and the lower roller connection shaft installation assembly, which can realize the memory function after the initial installation of the roller connection shaft. When a new roller shaft needs to be replaced, it can be installed directly through the adjustment mechanism without excessive adjustment.

Description of drawings

FIG. 1 is a front view of the apparatus for rapidly changing the roller shaft according to the present invention.

Fig. 2 is a cross-sectional view of the apparatus for rapidly changing the roller shaft according to the present invention.

FIG. 3 is a top view of the apparatus for rapidly changing the roller shaft according to the present invention.

FIG. 4 is a schematic diagram of the adjustment mechanism according to the present invention.

Detailed ways

In order to make the technical means, creation features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the drawings and specific embodiments.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a device for quickly replacing a roller connection shaft proposed by the present invention includes a bracket (1), and an adjustment mechanism (2) arranged on the bracket through an adjustment mechanism (2). (1) the upper roller connection shaft (3) and the lower roller connection shaft (4);

The bracket (1) includes a base plate (11), a set of vertical plates (12) are arranged on the base plate (11), and the space between the vertical plates (12) is set for installing an upper roller shaft (3). ) of the upper cavity (14) and the lower cavity (15) for installing the lower roller shaft (4);

The adjustment mechanism (2) comprises an upper roller-connected shaft installation assembly (22) and a lower roller-connected shaft installation assembly (23);

The upper roller connection shaft installation assembly (22) is installed on the side wall of the upper cavity (14) through the upper pressure plate (5), and the upper roller connection shaft installation assembly (22) includes a hinged support rod (221), a transmission block (222), an adjusting rod (223) and an upper shaft sleeve (224), the transmission block (222) is arranged on the top of the support rod (221), and the two ends of the transmission block (222) are respectively connected to the support rod (221) and The adjusting rod (223) is connected with the upper shaft sleeve (224), and the two ends of the upper roller connecting shaft (3) are respectively arranged in the upper cavity (14) through a matching connection with an upper shaft sleeve (224). )Inside;

The lower roller connecting shaft mounting assembly (23) is mounted on the side wall of the lower cavity (15) through the lower pressing plate (6), and the lower roller connecting shaft mounting assembly (23) includes a screw rod (231) and a locking spring (232) , locking bolt (233) and lower bushing (234); the top of the screw (231) is hinged with the bottom of the support rod (221), the lower bushing (234) is sleeved on the screw (231), A locking spring (232) is provided on the screw rod (231) below the (234), and a locking bolt (233) is provided on the screw rod (231) above the lower bushing (234).

The number of the adjustment mechanisms (2) is two, which are symmetrically arranged on both sides of the bracket (1), and both ends of the upper roller connection shaft (3) and the lower roller connection shaft (4) are respectively connected with the upper shaft on the side. The sleeve (224) or the lower sleeve (234) is connected.

The upper pressure plate (5) is provided with an upper limit adjustment groove (51), and the upper shaft sleeve (224) is arranged in the upper limit adjustment groove (51), and can be installed on the upper roller connecting shaft assembly (22). Under the action of transmission, it moves up and down along the upper limit adjustment groove (51).

The lower pressure plate (6) is provided with a lower limit adjustment groove (61), and can move up and down along the lower limit adjustment groove (61) under the transmission action of the lower roller connecting shaft mounting assembly (23).

The upper shaft sleeve (224) is provided with a hinge point, and is connected with the adjusting rod (223) through the hinge point.

The lower bushing (234) comprises a bushing main body, a connecting end (235) is provided on the side of the bushing main body, the connecting end (235) is provided with a through hole, and is sleeved on the screw (231) through the through hole )superior.

The bottom end of the screw rod (231) is provided with a limit bolt (236), the bottom of the locking spring (232) sleeved on the screw rod (231) is in contact with the limit bolt (236), and the top of the locking spring (232) is in contact with the limit bolt (236). In contact with the lower surface of the lower bushing (234), a locking bolt (233) is provided above the lower bushing (234) for locking the position of the lower bushing (234).

A group of through holes are formed on the upper pressure plate (5) and the lower pressure plate (6), and bolt holes matched with the through holes are formed on the vertical plate (12) of the bracket (1), and the upper pressure plate (5) passes through The first bolt (7) and the second bolt (8) are mounted on the vertical plate (12), and the lower pressing plate (6) is mounted on the vertical plate (12) through the third bolt (9) and the fourth bolt (10).

A method for quickly replacing a roller-joint shaft, comprising a quick-installation step and a quick-disassembly step of the roll-joint shaft.

Among them, the quick installation steps of the roller shaft are as follows:

1) Move the lower roller shaft (4) to be installed to the installation position in the lower cavity (15) by the crane;

2) Remove the fourth bolt (10), loosen the third bolt (9), and drive the lower roller connection shaft installation assembly (23) to approach the lower roller connection shaft (4) by rotating the lower pressing plate (6);

3) Adjust the position of the lower bushing (234) through the locking spring (232) so that it is aligned with the end of the lower roller connection shaft (4), and then continue to rotate the lower pressing plate (6) to drive the lower roller connection shaft installation assembly ( 23), until the end of the lower roller connection shaft (4) enters the lower roller connection shaft (4), and finally lock it with the locking bolt (233), and tighten the third bolt (9) and the fourth bolt (10), complete Quick installation of the lower roller shaft (4);

4) Move the upper roller connecting shaft (3) to be installed to the installation position in the upper cavity (14) by the crane;

5) Remove the first bolt (7), loosen the second bolt (8), and drive the upper roller connection shaft mounting assembly (22) to approach the upper roller connection shaft (3) by rotating the upper pressure plate (5);

6) The transmission block (222) and the adjusting rod (223) adjust the position of the upper sleeve (224) so that it is aligned with the end of the upper roller connection shaft (3), and then continue to rotate the upper pressure plate (5) to drive the upper roller connection. Install the shaft assembly (22) until the end of the upper roller connection shaft (3) enters the upper shaft sleeve (224), and finally lock the transmission block (222), the adjusting rod (223) and the upper shaft sleeve (224), and tighten The first bolt (7) and the second bolt (8) complete the quick installation of the upper roller shaft (3).

Among them, the quick installation steps of the roller shaft are as follows:

7) When the lower roller connection shaft (4) needs to be replaced due to excessive wear, just use a crane to hold the lower roller connection shaft (4), then remove the fourth bolt (10), loosen the third bolt (9), Drive the lower roller connecting shaft mounting assembly (23) to separate from the lower roller connecting shaft (4) by rotating the lower pressing plate (6) in the opposite direction;

After the disassembly is completed, the new lower roller connection shaft (4) can be installed according to steps 1)-3), and the rapid replacement of the lower roller connection shaft (4) can be realized;

8) When the upper roller connection shaft (3) needs to be replaced due to excessive wear, just use a crane to hold the upper roller connection shaft (4), then remove the first bolt (7) and loosen the second bolt (8) , drive the upper roller connection shaft mounting assembly (22) to disengage from the upper roller connection shaft (4) by rotating the upper pressure plate (5) in the opposite direction;

After the disassembly is completed, the new upper roller connecting shaft (4) can be installed according to steps 4)-6), so as to realize the rapid replacement of the upper roller connecting shaft (4).

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", The orientation or positional relationship indicated by "horizontal" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the clarity of expressing the technical solution and the convenience of description, and therefore should not be construed as a limitation of the present invention.

As used herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, in addition to those elements listed, but also other elements not expressly listed.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Such changes and improvements fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A device for rapidly replacing a roller connecting shaft is characterized by comprising a bracket (1), an upper roller connecting shaft (3) and a lower roller connecting shaft (4) which are arranged on the bracket (1) through an adjusting mechanism (2);

the bracket (1) comprises a base plate (11), a group of vertical plates (12) are arranged on the base plate (11), and an upper cavity (14) for mounting the upper roller connecting shaft (3) and a lower cavity (15) for mounting the lower roller connecting shaft (4) are arranged in the space between the vertical plates (12);

the adjusting mechanism (2) comprises an upper roller connecting shaft mounting component (22) and a lower roller connecting shaft mounting component (23);

the upper roll connecting shaft mounting assembly (22) is mounted on the side wall of the upper cavity (14) through an upper pressing plate (5), the upper roll connecting shaft mounting assembly (22) comprises a supporting rod (221), a transmission block (222), an adjusting rod (223) and an upper shaft sleeve (224), the transmission block (222) is arranged at the top of the supporting rod (221), two ends of the transmission block (222) are respectively connected with the supporting rod (221) and the adjusting rod (223), the adjusting rod (223) is connected with the upper shaft sleeve (224), and two ends of the upper roll connecting shaft (3) are respectively connected with the upper shaft sleeve (224) in a matched mode and arranged in the upper cavity (14);

the lower roll connecting shaft mounting assembly (23) is mounted on the side wall of the lower cavity (15) through a lower pressing plate (6), and the lower roll connecting shaft mounting assembly (23) comprises a screw rod (231), a locking spring (232), a locking bolt (233) and a lower shaft sleeve (234); the top of the screw rod (231) is hinged with the bottom of the support rod (221), the lower shaft sleeve (234) is sleeved on the screw rod (231), a locking spring (232) is arranged on the screw rod (231) below the lower shaft sleeve (234), and a locking bolt (233) is arranged on the screw rod (231) above the lower shaft sleeve (234).

2. The device for rapidly replacing a roller connecting shaft according to claim 1, characterized in that the number of the adjusting mechanisms (2) is two, the adjusting mechanisms are symmetrically arranged at two sides of the bracket (1), and two ends of the upper roller connecting shaft (3) and two ends of the lower roller connecting shaft (4) are respectively connected with an upper shaft sleeve (224) or a lower shaft sleeve (234) at the side part.

3. The device for rapidly replacing the roller spindle according to claim 1, wherein an upper limit adjusting groove (51) is formed in the upper pressure plate (5), and an upper shaft sleeve (224) is arranged in the upper limit adjusting groove (51) and can move up and down along the upper limit adjusting groove (51) under the transmission action of the upper roller spindle mounting assembly (22).

4. The device for rapidly replacing the roller spindle according to claim 1, wherein the lower pressure plate (6) is provided with a lower limit adjusting groove (61) and can move up and down along the lower limit adjusting groove (61) under the transmission action of the lower roller spindle mounting assembly (23).

5. Device for the rapid exchange of roller spindles according to claim 1, characterized in that the upper bushing (224) is provided with a hinge point and is connected with the adjusting lever (223) by means of the hinge point.

6. The device for rapidly replacing a roll shaft according to claim 1, wherein the lower shaft sleeve (234) comprises a shaft sleeve main body, a connecting end (235) is arranged on the side of the shaft sleeve main body, the connecting end (235) is provided with a through hole, and the screw rod (231) is sleeved with the connecting end through the through hole.

7. The device for rapidly replacing a roll spindle according to claim 1, characterized in that a limit bolt (236) is arranged at the bottom end of the screw rod (231), the bottom of a locking spring (232) sleeved on the screw rod (231) is in contact with the limit bolt (236), the top of the locking spring (232) is in contact with the lower surface of the lower spindle sleeve (234), and a locking bolt (233) is arranged above the lower spindle sleeve (234) and used for locking the position of the lower spindle sleeve (234).

8. The device for rapidly replacing the roller spindle according to claim 1, wherein a set of through holes are formed in the upper pressing plate (5) and the lower pressing plate (6), bolt holes matched with the through holes are formed in a vertical plate (12) of the bracket (1), the upper pressing plate (5) is mounted on the vertical plate (12) through a first bolt (7) and a second bolt (8), and the lower pressing plate (6) is mounted on the vertical plate (12) through a third bolt (9) and a fourth bolt (10).

9. A method for rapid change of a roll coupling comprising the steps of:

1) Moving a lower roll connecting shaft (4) to be installed to an installation position in a lower cavity (15) through a crane;

2) The fourth bolt (10) is disassembled, the third bolt (9) is loosened, and the lower roll connecting shaft mounting assembly (23) is driven to be close to the lower roll connecting shaft (4) by rotating the lower pressing plate (6);

3) The position of a lower shaft sleeve (234) is adjusted through a locking spring (232) to be aligned to the end part of a lower roller connecting shaft (4), then a lower pressing plate (6) is continuously rotated to drive a lower roller connecting shaft mounting assembly (23) until the end part of the lower roller connecting shaft (4) enters the lower roller connecting shaft (4), finally the lower roller connecting shaft is locked through a locking bolt (233), and a third bolt (9) and a fourth bolt (10) are screwed, so that the lower roller connecting shaft (4) is rapidly mounted;

4) Moving an upper roll connecting shaft (3) to be installed to an installation position in an upper cavity (14) through a crane;

5) The first bolt (7) is disassembled, the second bolt (8) is unscrewed, and the upper roll connecting shaft mounting assembly (22) is driven to be close to the upper roll connecting shaft (3) by rotating the upper pressing plate (5);

6) The transmission block (222) and the adjusting rod (223) adjust the position of the upper shaft sleeve (224) to be aligned to the end part of the upper roller connecting shaft (3), then the upper pressing plate (5) continues to rotate to drive the upper roller connecting shaft mounting assembly (22) until the end part of the upper roller connecting shaft (3) enters the upper shaft sleeve (224), finally the transmission block (222), the adjusting rod (223) and the upper shaft sleeve (224) are locked, the first bolt (7) and the second bolt (8) are screwed, and the upper roller connecting shaft (3) is rapidly mounted;

7) When the lower roll connecting shaft (4) is excessively worn and needs to be replaced, the lower roll connecting shaft (4) is pulled by a crane, then the fourth bolt (10) is disassembled, the third bolt (9) is unscrewed, and the lower roll connecting shaft mounting assembly (23) is driven to be separated from the lower roll connecting shaft (4) through the reverse rotation of the lower pressing plate (6); the new lower roll connecting shaft (4) can be installed according to the steps 1) to 3), so that the lower roll connecting shaft (4) can be quickly replaced;

8) When the upper roll connecting shaft (3) is excessively worn and needs to be replaced, the upper roll connecting shaft (4) is pulled by a crane, then the first bolt (7) is disassembled, the second bolt (8) is unscrewed, and the upper roll connecting shaft mounting assembly (22) is driven to be separated from the upper roll connecting shaft (4) through the reversely rotating upper pressure plate (5); and the new upper roll connecting shaft (4) can be installed according to the steps 4) to 6), so that the upper roll connecting shaft (4) can be quickly replaced.

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