Novel rolling mill tension column and screw-down box installation auxiliary device

Abstract

The utility model discloses a novel rolling mill tension column and screw-down box installation auxiliary device which comprises a frame, installation grooves are formed in the two ends of the frame, key groove positioning rings are rotationally arranged in the installation grooves, and key groove positioning grooves are formed in the inner sides of the key groove positioning rings. Locking holes are formed in the two ends of the frame, the locking holes are communicated with the installation grooves, and locking pieces used for fixing the key groove positioning rings and the frame are installed in the locking holes. The key groove positioning ring is rotationally arranged in the mounting groove of the frame, the key groove positioning groove is formed in the inner side of the key groove positioning ring, in the rolling mill repairing or screw-down box repairing process, the mounting auxiliary device is used for aligning the key groove positions of the tension column and the screw-down box, dislocation of the key groove positions of the tension column and the screw-down box is avoided, the screw-down box can be accurately mounted, and the service life of the screw-down box is prolonged. The rolling mill repairing device can effectively improve rolling mill repairing precision and rolling mill repairing efficiency, so that the on-line service life of a rolling mill is prolonged, and faults occurring in the using process of the rolling mill are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of auxiliary equipment in section steel rolling process, in particular to a novel rolling mill tension column and press down box installation auxiliary device. BACKGROUND

[0002] Because the keyway position of the rolling mill tension column is changeable at will before the press down box and bearing seat are installed, and when the bearing seat is installed, the copper nut in the bearing seat is connected with the thread of the tension column, the thread on the tension column is 8mm, and the error of millimeter will be caused by the slight rotation of the tension column, and the balance of the bearing seat will be damaged when the tension column is rotated alone, the keyway position of the two tension columns on the press down box is linked by the gear in the press down box, and cannot be rotated alone, so when the rolling mill is repaired or the press down box is repaired, the keyway position of the tension column and the keyway position of the press down box will be misaligned, even if the keyway positions of the two are aligned intentionally during the repair process, there will be a certain misalignment when the press down box is installed, and the press down box cannot be installed, so the tension column can only be rotated alone, the keyway positions of the two are aligned, but the balance of the bearing seat is damaged because the tension column is rotated alone, so the bearing in the bearing seat is not balanced during use, the bearing is easily damaged, production accidents occur, and production is interrupted. CONTENT

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a novel rolling mill tension column and press down box installation auxiliary device, which aims to solve the problem of how to avoid the misalignment of the keyway positions of the rolling mill tension column and the press down box during the repair of the rolling mill or the press down box.

[0004] The utility model solves the technical scheme that adopts: a novel rolling mill tension column and press down box installation auxiliary device, including frame, the both ends of frame are equipped with the installation slot, the keyway positioning ring is rotatably arranged in the installation slot, the inside of keyway positioning ring is equipped with keyway positioning groove, the both ends of frame are equipped with locking hole, locking hole communicates with installation slot, locking hole is equipped with the locking piece that is used for fixing keyway positioning ring with frame.

[0005] As a further improvement of the utility model: the frame includes an installation portion, and the installation slots are symmetrically arranged at both ends of the installation portion.

[0006] As a further improvement of the utility model: the installation slots include a first installation slot and a second installation slot, and the first installation slot and the second installation slot are symmetrically arranged at both ends of the installation portion.

[0007] As a further improvement of the utility model: the outer side of the keyway positioning ring is provided with an annular limiting groove, and the annular limiting groove is rotatably connected with the installation portion.

[0008] As a further improvement of the utility model: the top of annular limiting groove is equipped with first limiting portion.

[0009] As a further improvement of the utility model: the bottom of annular limiting groove is equipped with second limiting portion.

[0010] As a further improvement of the utility model: locking piece is locking bolt.

[0011] As a further improvement of the utility model: the both ends of installation portion are symmetrically provided with multiple installation grooves.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. the novel mill tension column and press down box installation auxiliary device of the utility model, through the key groove positioning ring that is rotationally arranged in the installation groove of frame and the inside of key groove positioning ring is equipped with key groove positioning groove, in the process of mill repair or press down box repair, by using the installation auxiliary device to align the key groove position of tension column and press down box, avoid the misplacement of the key groove position of both, make press down box can be accurately installed, can effectively improve mill repair precision, improve mill repair efficiency, thereby improve mill on-line service life, reduce the fault that appears in the use process of mill.

[0014] 2. the installation auxiliary device is used, and the problem that mill repair cannot install press down box due to key groove position misplacement is solved, and the operation time of mill repair is reduced;At the same time, because the precision of repair is guaranteed, the problem of bearing damage that appears in the use of mill on-line is greatly reduced, the operation rate of production is improved, and the security risks and influence normal production caused by the fault of mill in the production process are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model.

[0016] Figure 2 It is the structural schematic diagram of the frame and tension column assembly of the utility model.

[0017] Figure 3 It is the top view of key groove positioning ring of the utility model.

[0018] Figure 4 It is the sectional view of key groove positioning ring of the utility model.

[0019] 10, frame; 101, mounting groove; 102, locking hole; 103, locking piece; 104, mounting part; 20, tension column; 30, bearing seat; 40, key groove positioning ring; 401, key groove positioning groove; 402, annular limiting groove; 403, first limiting part; 404, second limiting part. DETAILED DESCRIPTION

[0020] In this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. The present utility further illustrates the present utility by way of example with reference to the accompanying drawings:

[0021] Referring to Figures 1-4 A novel mill tension column and screwdown housing installation auxiliary device, including frame 10, the both ends of frame 10 are provided with mounting groove 101, key groove positioning ring 40 is rotatably arranged in mounting groove 101, and key groove positioning groove 401 is arranged on the inner side of key groove positioning ring 40;Locking hole 102 is formed in the both ends of frame 10, locking hole 102 is communicated with mounting groove 101, and locking piece 103 for fixing key groove positioning ring 40 and frame 10 is installed in locking hole 102.

[0022] The inner diameter of key groove positioning ring 40 corresponds to the size of the shaft section of the key groove position of mill tension column 20, and the size of key groove positioning groove 401 of key groove positioning ring 40 corresponds to the size of the key groove of mill tension column 20. The center distance of mounting groove 101 at the both ends of frame 10 corresponds to the shaft center distance of a group of tension columns 20, that is, the center distance of key groove positioning ring 40 corresponds to the shaft center distance size of mill tension column 20.

[0023] According to the size of the shaft section of the key groove position of tension column 20 and the size of the key groove, a rotatable key groove positioning ring 40 of corresponding size is arranged. According to the shaft center distance of a group of tension columns 20, a frame 10 for mounting and fixing key groove positioning ring 40 is arranged, so that key groove positioning ring 40 can rotate in frame 10, and after aligning the key groove, the rotating positioning ring can be fixed.

[0024] By rotating the key groove positioning ring 40 provided with the key groove positioning slot 401 on the inside of the key groove positioning ring 40 in the mounting groove 101 of the frame 10, and aligning the key groove positions of the tension column 20 and the press-down box by using the installation auxiliary device during the rolling mill repair or the press-down box repair process, the key groove positions of the two are avoided from being misaligned, the press-down box can be accurately installed, the rolling mill repair precision and the rolling mill repair efficiency can be effectively improved, the service life of the rolling mill on line is improved, and the faults occurring in the use process of the rolling mill are reduced.

[0025] Further, the frame 10 comprises a mounting portion 104, and the mounting grooves 101 are symmetrically arranged at two ends of the mounting portion 104.

[0026] Further, the mounting grooves 101 comprise first mounting grooves 101 and second mounting grooves 101, and the first mounting grooves 101 and the second mounting grooves 101 are symmetrically arranged at two ends of the mounting portion 104.

[0027] Further, the outer side of the key groove positioning ring 40 is provided with an annular limiting groove 402, and the annular limiting groove 402 is rotationally connected with the mounting portion 104.

[0028] Further, the top of the annular limiting groove 402 is provided with a first limiting portion 403, and the bottom of the annular limiting groove 402 is provided with a second limiting portion 404.

[0029] When the key groove positioning ring 40 is rotationally arranged in the mounting groove 101 of the mounting portion 104, the first limiting portion 403 and the second limiting portion 404 are respectively located at two sides of the mounting portion 104, so as to ensure that the key groove positioning ring 40 can stably rotate in the mounting groove 101, and avoid that the key groove positioning ring 40 is separated from the mounting groove 101 of the mounting portion 104.

[0030] Further, the locking member 103 is a locking bolt.

[0031] Further, in order to meet the use of rolling mills of various specifications, a plurality of mounting grooves 101 are symmetrically arranged at two ends of the mounting portion 104.

[0032] By using the installation auxiliary device, the efficiency of the rolling mill repair and the press-down box repair can be effectively improved, the key groove positions are avoided from being misaligned, the press-down box can be conveniently and smoothly installed, the thread on the tension column is 8mm, and a millimeter error is generated when the tension column is slightly rotated, which seriously affects the balance of the bearing seat 30 and the service life of the bearing; the installation precision can be effectively improved by using the installation auxiliary device. The center distance of the key groove positioning ring of the installation auxiliary device is made according to the center distance size of the rolling mill tension column shaft, and the center distance of the tension column shaft can be ensured to be in the standard size when the installation auxiliary device is used.

[0033] The working principle of the utility model discloses:

[0034] When the press-down box is repaired, the installation auxiliary device is first sleeved on the corresponding tension column, the key groove positioning groove position of the key groove positioning ring is made to coincide with the key groove position of the tension column by using the corresponding key bar, and then the key groove positioning ring is locked; the installation auxiliary device is taken out to the repaired press-down box, the key groove position of the press-down box is made to coincide with the key groove positioning groove position of the key groove positioning ring by using the corresponding key bar, and then subsequent assembly of the press-down box is carried out.

[0035] When the rolling mill is repaired, after the bearing seat and the copper nut are sleeved into the tension column, the installation auxiliary device is first sleeved on the press-down box, the key groove positioning groove position of the key groove positioning ring is made to coincide with the key groove position of the press-down box by using the corresponding key bar, and then the key groove positioning ring is locked; then the installation auxiliary device is taken out, and then the installation auxiliary device is installed on the tension column, the key groove position of the tension column is made to coincide with the key groove positioning groove position of the key groove positioning ring by using the corresponding key bar, and then the balance adjustment of the bearing seat is carried out, and after the copper nut is locked, the installation auxiliary device is taken out for subsequent assembly.

[0036] The main function of the utility model is:

[0037] 1. Through the use of the installation auxiliary device, the efficiency of rolling mill repair and press-down box repair can be effectively improved, and when the key groove position is seriously misaligned, the press-down box can be conveniently and smoothly installed by re-removing and assembling;

[0038] 2. The thread on the tension column is 8mm pitch, and slight rotation of the tension column will produce millimeter-level error, which seriously affects the balance of the bearing seat and the service life of the bearing; the installation precision can be effectively improved by using the installation auxiliary device;

[0039] 3. The center distance of the key groove positioning ring of the installation auxiliary device is made according to the center distance of the rolling mill tension column shaft, and when the installation auxiliary device is used, the shaft center distance of the tension column can be ensured to be within the standard size.

[0040] 4. By using the installation auxiliary device, the problem that the press-down box cannot be installed due to misalignment of the key groove position during rolling mill repair is solved, the operation time of rolling mill repair is reduced; at the same time, because the repair precision is guaranteed, the problem of bearing damage during the use of the rolling mill is greatly reduced, the operation rate of production is improved, and the safety hidden danger and the influence on normal production caused by the failure of the rolling mill during production are avoided.

[0041] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper end face", "lower end face", "top", "bottom", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of the description of the utility model, and therefore cannot be understood as a limitation on the actual use direction of the utility model.

[0042] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the same. Although the present application has been described in detail with reference to the foregoing examples, it should be understood by those skilled in the art that the technical solutions recorded in the foregoing examples can still be modified, or some or all of the technical features can be replaced by equivalents. The modifications or replacements do not change the essence of the corresponding technical solutions out of the scope of the technical solutions of the embodiments of the present application, and should be covered in the scope of the claims and the specification of the present application.

Claims

1. A novel auxiliary device for installing a rolling mill tension column and pressing box, characterized in that: The device includes a frame, with mounting slots at both ends. A keyway positioning ring is rotatably disposed within the mounting slot, and a keyway positioning groove is provided on the inner side of the keyway positioning ring. Locking holes are provided at both ends of the frame, and the locking holes communicate with the mounting slots. Locking elements for fixing the keyway positioning ring to the frame are installed in the locking holes.

2. The novel rolling mill tension column and pressing box installation auxiliary device according to claim 1, characterized in that: The frame includes a mounting section, and the mounting slots are symmetrically arranged at both ends of the mounting section.

3. The novel rolling mill tension column and pressing box installation auxiliary device according to claim 2, characterized in that: The mounting slot includes a first mounting slot and a second mounting slot, which are symmetrically arranged at both ends of the mounting part.

4. The novel rolling mill tension column and pressing box installation auxiliary device according to claim 2, characterized in that: The keyway positioning ring has an annular limiting groove on its outer side, and the annular limiting groove is rotatably connected to the mounting part.

5. A novel auxiliary device for installing a rolling mill tension column and pressing box according to claim 4, characterized in that: The top of the annular limiting groove is provided with a first limiting part.

6. A novel auxiliary device for installing a rolling mill tension column and pressing box according to claim 5, characterized in that: The bottom of the annular limiting groove is provided with a second limiting part.

7. A novel auxiliary device for installing a rolling mill tension column and pressing box according to claim 6, characterized in that: The locking component is a locking bolt.

8. A novel auxiliary device for installing a rolling mill tension column and pressing box according to claim 7, characterized in that: Multiple mounting slots are symmetrically arranged at both ends of the mounting part.

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