CN217833529U

CN217833529U - Shaft pulling device for roll shaft head of metallurgical rolling mill

Info

Publication number: CN217833529U
Application number: CN202221165461.0U
Authority: CN
Inventors: 安帅; 陈宗强; 李渊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-11-18
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a metallurgical rolling mill roller axle head pulls axle ware, belong to and pull axle ware technical field, including the two-way screw rod, the both ends of two-way screw rod are provided with the operating head, the spout has all been seted up to the both sides of two-way screw rod, it is equipped with two relative settings and slides the movable sleeve that sets up with the spout still to move about on the two-way screw rod, and be connected with the spring between two movable sleeves, the side of keeping away from each other of two movable sleeves still is equipped with the thread bush of threaded connection on the two-way screw rod, it is provided with the rotation cover to rotate between thread bush and the movable sleeve, and the side of rotating the cover is connected with the locating lever, thereby can conveniently adjust the position of two locating levers, make its adaptability better, the slip setting of activity cover simultaneously, make the rotation cover can not cause wearing and tearing to destroy the external screw thread on the two-way screw rod when the atress, and then can be better guarantee holistic life, make its better satisfy the user demand.

Description

Shaft pulling device for roll shaft head of metallurgical rolling mill

Technical Field

The utility model relates to a pull axle ware technical field specifically is a metallurgical rolling mill rolls roller axle head and pulls axle ware.

Background

The roller inside the rolling mill generally comprises a roller body, a shaft neck and a shaft head, wherein the roller body participates in rolling deformation, the shaft neck is assembled in a bearing box, the shaft head is sleeved in a coupler and is connected with the coupler to transmit rolling torque of a motor, and the roller is an important rolling deformation tool in the production process.

An authorized notice number CN209953498U is a roll shaft head shaft spanner of a metallurgical rolling mill, which comprises a holding rod and a roll shaft head body; the middle part of the holding rod is movably sleeved with two sleeves, and the middle part of the outer side surface of each sleeve is fixedly connected with a positioning rod; two hoisting holes are symmetrically arranged on the roller spindle head body; and the other ends of the two positioning rods are respectively inserted into the two hoisting holes. The utility model discloses be convenient for adjust the distance between two locating levers to the hole for hoist to different model roll spindle nose pairs, application range is wider, and the practicality is strong, and two handles can be handed to the staff, and rotatory rotation makes the spindle nose not hard up more easily, thereby improves work efficiency, and both hands work accords with ergonomic design more moreover, labour saving and time saving, and factor of safety is higher, avoids the one hand to pull unexpected slippage and causes the potential safety hazard.

When the traditional rolling mill roll shaft head shaft pulling device is used, sliding friction is adopted when a moving rod of the roll shaft head shaft pulling device slides on a main rod, and abrasion is easily caused due to excessive sliding times to influence normal use, so that the rolling mill roll shaft head shaft pulling device for the metallurgical rolling mill is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a metallurgical rolling mill rolls roller head and pulls axle ware, has solved the above-mentioned problem that proposes to the not enough of prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a shaft pulling device for a roller shaft head of a metallurgical rolling mill comprises a bidirectional screw, wherein two ends of the bidirectional screw are provided with operating heads, two sides of the bidirectional screw are provided with sliding grooves, two movable sleeves which are oppositely arranged and are arranged in a sliding manner with the sliding grooves are movably sleeved on the bidirectional screw, and a spring is connected between the two movable sleeves;

the two movable sleeves are further provided with threaded sleeves in threaded connection with the two-way screw rods at the sides far away from each other, a rotating sleeve is rotatably arranged between each threaded sleeve and each movable sleeve, and the side face of each rotating sleeve is connected with a positioning rod.

Preferably, the movable sleeve is provided with a movable opening, the inner diameter of the movable opening is larger than the diameter of the bidirectional screw, and the inner wall of the movable opening is fixed with symmetrically arranged sliding blocks which are arranged in the sliding grooves in a sliding mode.

Preferably, the outer side surface of the movable sleeve is connected with a first positioning sleeve movably sleeved on the bidirectional screw rod, one side of the threaded sleeve, which is close to the movable sleeve, is connected with a second positioning sleeve movably sleeved on the bidirectional screw rod, and two ends of the rotating sleeve are respectively sleeved on the first positioning sleeve and the second positioning sleeve.

Preferably, the inner diameters of the first positioning sleeve and the second positioning sleeve are larger than the inner diameter of the bidirectional screw rod, and the outer diameters of the first positioning sleeve and the second positioning sleeve are smaller than the inner diameter of the rotating sleeve.

Preferably, the bidirectional screw is provided with external threads in opposite directions, and the inner wall of the thread sleeve is provided with internal threads matched with the external threads.

Preferably, the diameter of the operating head is larger than that of the bidirectional screw rod, and anti-skid threads are arranged on the operating head.

(III) advantageous effects

The utility model provides a shaft spanner for the roll shaft head of a metallurgical rolling mill. The method has the following beneficial effects: the position that can conveniently adjust two locating levers makes its adaptability better, and the slip setting of movable sleeve simultaneously makes the rotation cover can not cause wearing and tearing to destroy to the external screw thread on the two-way screw rod when the atress, and then holistic life of assurance that can be better makes its better satisfied user demand.

Drawings

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

FIG. 2 is a schematic structural view of the two-way screw connection of the present invention;

FIG. 3 is a schematic side view of the two-way screw of the present invention;

fig. 4 is a schematic structural view of the middle movable sleeve of the present invention.

In the figure: 1. a bidirectional screw; 2. a movable sleeve; 21. a movable opening; 3. a spring; 4. a threaded sleeve; 5. rotating the sleeve; 6. positioning a rod; 7. an operating head; 8. a first positioning sleeve; 9. a second positioning sleeve; 10. a chute; 11. a slide block.

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: a metallurgical rolling mill roll shaft head arbor pulling device comprises a bidirectional screw rod 1, two ends of the bidirectional screw rod 1 are provided with operating heads 7, the diameter of each operating head 7 is larger than that of the bidirectional screw rod 1, so that a movable sleeve 2 and a thread sleeve 4 cannot slide out of the bidirectional screw rod 1, the operating heads 7 are provided with anti-skidding lines to facilitate the operation of the operating heads 7, two sides of the bidirectional screw rod 1 are provided with sliding grooves 10, the sliding grooves 10 are arranged in the middle of the bidirectional screw rod 1, the bidirectional screw rod 1 is movably sleeved with two movable sleeves 2 which are oppositely arranged and arranged in a sliding mode with the sliding grooves 10, each movable sleeve 2 is provided with a movable opening 21, the inner diameter of each movable opening 21 is larger than that of the bidirectional screw rod 1, the inner wall of each movable opening 21 is fixedly provided with symmetrically arranged sliding blocks 11 which are arranged in the sliding grooves 10 in a sliding mode, the movable sleeves 2 can slide along the sliding grooves 10, the inner wall of each movable sleeve 2 cannot cause abrasion to external threads of the bidirectional screw rod 1, a spring 3 is connected between the two movable sleeves 2, the spring 3 is sleeved outside the bidirectional screw rod 1, and the spring 3 plays a role in connecting the role of restraining effect of the two movable sleeves 2;

the side of keeping away from each other of two movable sleeves 2 still is equipped with threaded sleeve 4 of threaded connection on two-way screw rod 1, be provided with the external screw thread of opposite direction on two-way screw rod 1, the inner wall of threaded sleeve 4 is provided with the internal thread with external screw thread looks adaptation, make things convenient for threaded sleeve 4 to carry out the screw thread activity on two-way screw rod 1, it is provided with rotating sleeve 5 to rotate between threaded sleeve 4 and the movable sleeve 2, the lateral surface of movable sleeve 2 is connected with the first position sleeve 8 of movable sleeve on two-way screw rod 1, one side that threaded sleeve 4 is close to movable sleeve 2 is connected with movable sleeve and is established the second position sleeve 9 on two-way screw rod 1, the both ends of rotating sleeve 5 are established respectively on first position sleeve 8 and second position sleeve 9, the internal diameter of first position sleeve 8 and second position sleeve 9 all is greater than two-way screw rod 1 and sets up, make two position sleeves can not contact with the outer wall of two-way screw rod 1, the external diameter of first position sleeve 8 and second position sleeve 9 is less than the internal diameter of rotating sleeve 5, make rotating sleeve 5 can overlap and establish and make things convenient for rotating sleeve 5 and rotate sleeve 8 and rotate along position the locating lever 6 and play the operation effect of being connected to the location.

In the time of in-service use, at first can be according to the position of overhead hole hoist and mount of rolling mill roller, can rotate thread bush 4, and then make thread bush 4 drive and rotate cover 5 and movable sleeve 2 and move about, thereby conveniently adjust the distance between two locating levers 6, so that its position that adapts to the hole hoist, and when the operation, locating lever 6 can peg graft in the hole hoist, and then when operation operating head 7 rotates, the power that locating lever 6 received is used in the locating sleeve, and the power that first locating sleeve 8 received is used in movable sleeve 2, and under the card butt effect of slider 11 and spout 10, make movable sleeve 2 can not take place to rotate, and then can not cause the wearing and tearing loss to the external screw thread of two-way screw rod 1, make it can guarantee when using, can be to the better protection of two-way screw rod 1, improve its life, thereby can conveniently adjust the position of two locating levers, make its adaptability better, the slip setting of movable sleeve simultaneously, make the rotation cover can not cause the wearing and tearing destruction when the atress to two-way screw rod, and then can guarantee its holistic life better, make its external screw thread demand better.

It is noted that, herein, relational terms such as first and second, and the like may 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. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a metallurgical rolling mill rolls roller spindle nose and pulls a beam splitter which characterized in that: the device comprises a bidirectional screw (1), wherein operating heads (7) are arranged at two ends of the bidirectional screw (1), sliding grooves (10) are formed in two sides of the bidirectional screw (1), two movable sleeves (2) which are oppositely arranged and are arranged in a sliding manner with the sliding grooves (10) are movably sleeved on the bidirectional screw (1), and a spring (3) is connected between the two movable sleeves (2);

the side of keeping away from each other of two movable sleeve (2) still is equipped with threaded sleeve (4) threaded connection on two-way screw rod (1), it is provided with rotating sleeve (5) to rotate between threaded sleeve (4) and movable sleeve (2), and the side of rotating sleeve (5) is connected with locating lever (6).

2. The metallurgical rolling mill roll chock of claim 1, wherein: the movable sleeve (2) is provided with a movable opening (21), the inner diameter of the movable opening (21) is larger than the diameter of the two-way screw (1), and the inner wall of the movable opening (21) is fixed with symmetrically arranged sliding blocks (11) which are arranged in the sliding groove (10) in a sliding mode.

3. The roll nose arbor puller of a metallurgical rolling mill of claim 1, wherein: the lateral surface of movable sleeve (2) is connected with movable sleeve and establishes first position sleeve (8) on two-way screw rod (1), one side that thread bush (4) is close to movable sleeve (2) is connected with movable sleeve and establishes second position sleeve (9) on two-way screw rod (1), the both ends of rotating sleeve (5) are established respectively and are established on first position sleeve (8) and second position sleeve (9).

4. The metallurgical rolling mill roll chock of claim 3, wherein: the inner diameters of the first positioning sleeve (8) and the second positioning sleeve (9) are larger than the inner diameter of the bidirectional screw (1), and the outer diameters of the first positioning sleeve (8) and the second positioning sleeve (9) are smaller than the inner diameter of the rotating sleeve (5).

5. The metallurgical rolling mill roll chock of claim 1, wherein: the bidirectional screw (1) is provided with external threads in opposite directions, and the inner wall of the thread sleeve (4) is provided with internal threads matched with the external threads.

6. The metallurgical rolling mill roll chock of claim 1, wherein: the diameter of the operating head (7) is larger than that of the bidirectional screw (1), and anti-skid grains are arranged on the operating head (7).