CN218468207U

CN218468207U - Installation fixing device for sublance rotary speed reducer

Info

Publication number: CN218468207U
Application number: CN202222314496.2U
Authority: CN
Inventors: 姚娟; 宋晓燕
Original assignee: Wisdri Engineering and Research Incorporation Ltd
Current assignee: Wisdri Engineering and Research Incorporation Ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-02-10
Anticipated expiration: 2032-09-01

Abstract

The utility model relates to a fixing device for mounting a sublance rotary speed reducer, wherein a sublance is arranged on a rotary platform; the mounting seat is connected to one side of the rotary platform and comprises a first lifting lug with a first mounting hole; the stop blocks and the mounting seat are connected to the same side of the rotary platform, the mounting seat is clamped and fixed between the two stop blocks, the speed reducer comprises a second lifting lug with a second mounting hole, the connecting rod group comprises a fork-shaped connecting rod and a rod end joint bearing, and two mounting grooves are formed in two ends of the fork-shaped connecting rod respectively; the two rod end joint bearings are respectively a first rod end joint bearing and a second rod end joint bearing, the mounting part of the first rod end joint bearing is inserted into the mounting groove at one end of the forked connecting rod, and the thread part penetrates through the first mounting hole and is locked by a bolt; the mounting part of the second rod end joint bearing is inserted in the mounting groove at the other end of the forked connecting rod, and the thread part penetrates through the second mounting hole and is locked through a bolt.

Description

Installation fixing device for sublance rotary speed reducer

Technical Field

The utility model relates to an automatic steelmaking technical field of sublance, in particular to rotatory speed reducer installation fixing device of sublance.

Background

The sublance rotary driving device is key equipment in the sublance automatic steelmaking technology, and the conventional sublance rotary function is mainly driven by a motor and a speed reducer. When the rotary speed reducer is fixed, a rubber cushion pad is mounted on each of two sides of a speed reducer mounting lug, and then the rotary speed reducer is connected with the rotary platform through a bolt connecting piece. When the sublance rotates, the torque of the speed reducer lifting lug is transmitted to the rotating platform through the cushion pad, and the forward and reverse rotation of the sublance body is realized.

Although the installation mode has no big problem when the utility model is used, the rubber block is damaged and thinned under the condition of multiple compression/relaxation over time, so that the idle stroke can be generated at the moment of each rotation starting, namely, when the motor is started to rotate forward and backward, the sublance body does not rotate, but has the idle stroke of a few seconds, the sublance body starts to rotate, and an impact exists before the idle stroke and formal measurement, so that the measurement period is influenced. When the secondary gun is seriously rotated, the secondary gun is seriously rotated and put down.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sublance rotary speed reducer installation fixing device to improve the stability of sublance action.

In order to solve the technical problem, the utility model adopts the following technical scheme.

According to an aspect of the utility model, the utility model provides a rotatory speed reducer installation fixing device of sublance, the device includes: the device comprises a rotary platform, a sublance, a mounting seat, a stop block, a speed reducer and a connecting rod set; the sublance is arranged on the rotary platform; the mounting seat is connected to one side of the rotating platform and comprises a first lifting lug with a first mounting hole; the speed reducer comprises a second lifting lug with a second mounting hole, the connecting rod group comprises a fork-shaped connecting rod and a rod end joint bearing, two mounting columns arranged at intervals are convexly arranged at two ends of the fork-shaped connecting rod respectively, and mounting grooves are formed at intervals between the two mounting columns; the two rod end joint bearings are respectively a first rod end joint bearing and a second rod end joint bearing, the bearing mounting part of the first rod end joint bearing is inserted and mounted in the mounting groove at one end of the fork-shaped connecting rod, the thread part of the first rod end joint bearing penetrates through the first mounting hole, the thread part of the first rod end joint bearing is provided with internal threads, and the first rod end joint bearing and the first lifting lug are locked through bolts; the mounting part of the second rod end joint bearing is inserted and mounted in the mounting groove at the other end of the fork-shaped connecting rod, the thread part of the second rod end joint bearing penetrates through the second mounting hole, the thread part of the second rod end joint bearing is provided with internal threads, and the second rod end joint bearing and the second lifting lug are locked through bolts.

In some embodiments of the present application, the device further includes a pin shaft and a fastener, the mounting post is provided with a through hole, the mounting hole is provided with a mounting groove, the pin shaft penetrates through the mounting hole and the bearing inner hole, and the fastener is used for locking and fixing the pin shaft.

In some embodiments of the present application, the mounting post extends in an axial direction of the wishbone link.

In some embodiments of the present application, the apparatus further comprises a mounting plate, the mounting plate is welded to one side of the rotary platform, and the mounting base is bolted to the mounting plate.

According to the above technical scheme, the embodiment of the utility model provides an at least have following advantage and positive effect:

the utility model discloses among the rotatory speed reducer installation fixing device of sublance, utilize the linkage to transmit the moment of torsion, it is rotatory to drive rotary platform and the sublance above it through the push-and-pull linkage promptly, has become the push-and-pull by the extrusion with the mode of transmitting the moment of torsion to the push-and-pull power is born by special linkage, and the structure atress is more reasonable, and the transmission moment of torsion is steady reliable, has reduced equipment failure rate, has improved sublance rotary device's rate of utilization. In addition, the device is provided with the rod end joint bearing in the connecting rod group, and can be adjusted in a rotating mode within a small angle range to adapt to installation errors of the speed reducer and the rotating platform, and the adaptability is wider.

Drawings

Fig. 1 is a schematic structural view of a conventional installation method of a sub-gun rotary reduction gear.

Fig. 2 is a schematic structural diagram of a fixing device for mounting a sublance rotary speed reducer according to an embodiment of the present invention.

Fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.

Fig. 4 is a sectional view taken along line B-B of fig. 3.

Fig. 5 is a sectional view of the spherical plain bearing of fig. 3.

The reference numerals are illustrated below: 11. mounting a lifting lug; 12. a rubber cushion pad; 13. a bolt connection; 2. rotating the platform; 3. a mounting seat; 31. a first lifting lug; 4. a stopper; 5. a speed reducer; 51. a second lifting lug; 6. a linkage; 61. a forked connecting rod; 621. a first rod end knuckle bearing; 622. a second rod end knuckle bearing; 623. a bearing mounting portion; 624. a threaded portion; 7. mounting a plate; 81. a first bolt; 82. a second bolt; 83. a pin and a fastener.

Detailed Description

While the present invention may be susceptible to embodiment in different forms, there is shown in the drawings and will herein be described in detail only some specific embodiments, with the understanding that the present disclosure is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated herein.

Thus, a feature indicated in this specification will serve to explain one of the features of an embodiment of the invention, and not to imply that every embodiment of the invention must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.

In the embodiments shown in the drawings, directional references (such as up, down, left, right, front and rear) are used to explain the arrangements and movements of the various elements of the invention not absolutely, but relatively. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.

The existing sublance is driven by a motor and a speed reducer in most of rotating functions. When the rotary speed reducer is fixed, a rubber cushion pad 12 is mounted on each of two sides of a speed reducer mounting lug 11, and then the rotary speed reducer is connected with a rotary platform through a bolt connecting piece 13. When the sublance rotates, the torque of the lifting lug of the speed reducer is transmitted to the rotating platform through the cushion pad, and the forward and reverse rotation of the sublance body is realized.

Although the installation mode has no big problem when just beginning to use, the rubber block produces destruction, the thickness is thin under the multiple compression/relaxation at any time, leads to the moment of rotatory start-up to produce idle stroke each time, namely when the motor starts positive and negative rotation, the sublance rifle body does not rotate, but has a idle stroke of a few seconds, and the rifle body just begins to rotate to there is an impact before idle stroke and formal measurement, influences measurement cycle. When the secondary gun is seriously rotated, the secondary gun is seriously rotated and put down.

An embodiment of the utility model provides a problem in order to solve above-mentioned prior art of 5 installation fixing devices of sublance rotary reducer.

Referring to fig. 1 to 5, an embodiment of the present invention provides a fixing device for installing a rotary speed reducer 5 of a sublance, which includes a rotary platform 2, a sublance, a mounting seat 3, a stop block 4, a speed reducer 5 and a connecting rod assembly 6, wherein the rotary platform 2 can be a steel structure, and has a good structural strength, the sublance is located on the rotary platform 2, and the sublance can rotate along with the rotation of the rotary platform 2. The mounting base 3 is substantially convex, and the mounting base 3 may be connected to one side of the rotary platform 2 by the first bolt 81 or may be connected to one side of the rotary platform 2 by welding. The mount 3 includes a first lug 31 having a first mounting hole. Dog 4 and mount pad 3 are connected in the same one side of rotary platform 2, and dog 4 is equipped with two to establish with mount pad 3 clamp and fix between two dog 4, take place to rock in order to prevent that mount pad 3 from taking place.

The speed reducer 5 is arranged on one side of the rotary platform 2, the speed reducer 5 comprises a second lug 51 with a second mounting hole, the axis of the second mounting hole and the axis of the first mounting hole are positioned on the same straight line, and the speed reducer 5 outputs torque through the second lug 51. The linkage 6 comprises a fork-shaped connecting rod 61 and a rod end joint bearing, two ends of the fork-shaped connecting rod 61 are respectively provided with two mounting columns which are arranged at intervals in a protruding mode, the mounting columns extend along the axial direction of the fork-shaped connecting rod 61, and the intervals between the two mounting columns form mounting grooves for mounting the rod end joint bearing. The two rod end joint bearings are symmetrically provided at both ends of the wishbone link 61, and include a flat bearing mounting portion 623 and a cylindrical threaded portion 624. The two rod end knuckle bearings are respectively a first rod end knuckle bearing 621 and a second rod end knuckle bearing 622, a bearing mounting portion 623 of the first rod end knuckle bearing 621 is inserted into a mounting groove formed in one end of the forked connecting rod 61, a thread portion 624 of the first rod end knuckle bearing 621 penetrates through the first mounting hole, the thread portion 624 of the first rod end knuckle bearing 621 is provided with internal threads, and the first rod end knuckle bearing 621 and the first lifting lug 31 are locked through a second bolt 82. The bearing mounting portion 623 of the second rod end joint bearing 622 is inserted and mounted in the mounting groove at the other end of the forked link 61, the threaded portion 624 of the second rod end joint bearing 622 is inserted into the second mounting hole, and the threaded portion 624 of the second rod end joint bearing 622 is internally threaded and locks the second rod end joint bearing 622 and the second lifting lug 51 by another second bolt 82.

The connecting rod set 6 is utilized to transmit torque, namely the rotating platform 2 and the sublance on the rotating platform are driven to rotate by pushing and pulling the connecting rod set 6, the mode of transmitting the torque is changed from extrusion to pushing and pulling, and the pushing and pulling force is borne by the special connecting rod set 6, so that the structure stress is more reasonable, the torque transmission is stable and reliable, the equipment failure rate is reduced, and the utilization rate of the sublance rotating device is improved. In addition, the device is provided with the rod end joint bearing in the connecting rod group 6, can be adjusted in a rotating mode within a small angle range, is suitable for installation errors of the speed reducer 5 and the rotating platform 2, and is wide in adaptability.

In some embodiments, to enable mounting of the bearing mounting portion 623 within the mounting slot. The device still includes round pin axle and fastener 83, sets up the mounting hole of intercommunication mounting groove on the erection column, and during the round pin axle was worn to locate mounting hole and bearing hole, the fastener was fixed with round pin axle locking, and rod end joint bearing can rotate the adjustment around the round pin axle to adapt to speed reducer 5 and rotary platform 2's installation error.

In some embodiments, the device further comprises a mounting plate 7, the mounting plate 7 is welded to one side of the rotary platform 2, and the mounting base 3 is bolted to the mounting plate 7. Be frame construction based on rotary platform 2, the direct mount pad 3 of being not convenient for through welding mounting panel 7 on rotary platform 2 earlier, utilizes mounting panel 7 to install mounting panel 3 again, simple to operate to there is bigger connection area between mounting panel 7 and mounting panel 3, it is more firm to connect.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. The utility model provides a sublance rotary speed reducer installation fixing device which characterized in that includes: the device comprises a rotary platform, a sublance, a mounting seat, a stop block, a speed reducer and a connecting rod set; the sublance is arranged on the rotary platform; the mounting seat is connected to one side of the rotating platform and comprises a first lifting lug with a first mounting hole; the speed reducer comprises a second lifting lug with a second mounting hole, the connecting rod group comprises a fork-shaped connecting rod and a rod end joint bearing, two mounting columns arranged at intervals are convexly arranged at two ends of the fork-shaped connecting rod respectively, and mounting grooves are formed at intervals between the two mounting columns; the two rod end joint bearings are respectively a first rod end joint bearing and a second rod end joint bearing, the bearing mounting part of the first rod end joint bearing is inserted and mounted in the mounting groove at one end of the fork-shaped connecting rod, the thread part of the first rod end joint bearing penetrates through the first mounting hole, the thread part of the first rod end joint bearing is provided with internal threads, and the first rod end joint bearing and the first lifting lug are locked through bolts; the mounting part of the second rod end joint bearing is inserted and mounted in the mounting groove at the other end of the fork-shaped connecting rod, the thread part of the second rod end joint bearing penetrates through the second mounting hole, the thread part of the second rod end joint bearing is provided with internal threads, and the second rod end joint bearing and the second lifting lug are locked through bolts.

2. The sub-gun rotary speed reducer mounting and fixing device as claimed in claim 1, further comprising a pin shaft and a fastener, wherein the mounting post is provided with a mounting hole communicated with the mounting groove, the pin shaft penetrates through the mounting hole and the bearing inner hole, and the fastener locks and fixes the pin shaft.

3. The sub-gun rotary reducer mounting fixture of claim 1, wherein the mounting posts extend in an axial direction of the wishbone link.

4. The sub-gun rotary reducer mounting fixture according to claim 1, further comprising a mounting plate welded to one side of the rotary platform, the mounting base being bolted to the mounting plate.