Novel pusher dog synchronizing shaft and bearing seat

Abstract

The utility model discloses a novel pusher dog synchronizing shaft which comprises a long main shaft and a short main shaft, the long main shaft and the short main shaft are in butt joint through a coupler, a connecting swing arm and a plurality of pusher dog swing arms are arranged on each of the long main shaft and the short main shaft, and each connecting swing arm comprises a first swing arm body and a first connecting semi-ring. A butt joint through hole is formed in one end of the first swing arm body, a first semicircular groove in butt joint with the first connecting semi-ring is formed in the other end of the first swing arm body, the first connecting semi-ring is matched with the first semicircular groove, the pusher dog swing arm comprises a second swing arm body and a second connecting semi-ring, a second semicircular groove is formed in one end of the second swing arm body, and the second connecting semi-ring is matched with the second semicircular groove. And the second semicircular groove is matched with the second connecting semi-ring. According to the utility model, a totally-closed structure is adopted, and during welding, double surfaces are heated, so that the synchronous shaft is uniformly heated, the deformation amount of the main shaft due to heating can be effectively reduced, the subsequent assembly precision is improved, the synchronous shaft is prevented from greatly shaking during working, and the service life of the main shaft is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to synchronous shaft technical field more specifically, it is a kind of new type paw synchronous shaft and bearing seat. BACKGROUND

[0002] In metallurgical continuous casting production process, the continuous casting billet formed by molten steel through continuous casting machine can be sent into next process only after being cooled by cooling bed, usually using the swing arm arranged on synchronous shaft to translate or lift the casting billet, and the transfer of casting billet is completed. However, the swing arm in the prior art is connected with the synchronous shaft by adopting half-round groove and lamination, and then welding is carried out. During welding, the synchronous shaft is heated on one side, so that the synchronous shaft is unevenly heated, which leads to thermal deformation of the synchronous shaft, affects the subsequent assembly precision and service life of the synchronous shaft. SUMMARY

[0003] The utility model discloses a new type paw synchronous shaft and bearing seat, which adopts a fully enclosed structure, and the synchronous shaft is heated evenly during welding, so that the amount of deformation of the main shaft due to heating is effectively reduced, the subsequent assembly precision is improved, the synchronous shaft is prevented from shaking greatly during work, and the service life of the main shaft is improved.

[0004] The utility model discloses a new type paw synchronous shaft and bearing seat, which includes a long main shaft and a short main shaft, the long main shaft and the short main shaft are connected through a shaft coupling, and one connecting swing arm and a plurality of paw swing arms are arranged on the long main shaft and the short main shaft. Four paw swing arms are arranged on the long main shaft, and three paw swing arms are arranged on the short main shaft. The connecting swing arm includes a first swing arm body and a first connecting half ring. One end of the first swing arm body is provided with a butt joint through hole, and the other end is provided with a first semicircular groove which is butt jointed with the first connecting half ring. The first connecting half ring is matched with the first semicircular groove, and the inner diameter of the first connecting half ring and the first semicircular groove is the same as the outer diameter of the long main shaft or the short main shaft. The paw swing arm includes a second swing arm body and a second connecting half ring. One end of the second swing arm body is provided with a second semicircular groove. The second semicircular groove is matched with the second connecting half ring, and the inner diameter of the second semicircular groove and the second connecting half ring is the same as the outer diameter of the long main shaft or the short main shaft.

[0005] In one preferred scheme, the material of the long main shaft and the short main shaft is Q346 φ180x35 seamless steel pipe.

[0006] In one preferred solution, the long main shaft is provided with a first rotary joint at one end away from the coupling, and a first joint at one end close to the coupling, the first rotary joint is connected with a water inlet pipe, the short main shaft is provided with a second rotary joint at one end away from the coupling, and a second joint at one end close to the coupling, the second rotary joint is connected with a water outlet pipe, and the first joint and the second joint are provided with a connecting pipe therebetween.

[0007] A bearing seat comprises a lower semicircular bearing seat body and an upper semicircular bearing seat body, the lower end of the lower semicircular bearing seat body is provided with a supporting lug, the upper end of the lower semicircular bearing seat body is provided with locking threaded holes on both sides, the supporting lug is provided with mounting holes for fixation, the upper semicircular bearing seat body is provided with connecting through holes on both sides corresponding to the locking threaded holes, and the lower semicircular bearing seat body and the upper semicircular bearing seat body are fixedly connected through the cooperation of bolts passing through the connecting through holes and the locking threaded holes.

[0008] In one preferred solution, the upper end of the lower semicircular bearing seat body is provided with a positioning notch on the inner side of the semicircle, and the lower end of the upper semicircular bearing seat body is provided with a positioning protrusion matched with the positioning notch.

[0009] The synchronous shaft is heated uniformly during welding, the amount of deformation of the main shaft caused by heat during the welding process is effectively reduced, the subsequent assembly precision is improved, the synchronous shaft is prevented from shaking greatly during work, and the service life of the main shaft is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0011] Figure 1 It is a structural schematic view of the present application;

[0012] Figure 2 It is a connecting swing arm structural schematic view of the present application;

[0013] Figure 3 It is a pawl swing arm structural schematic view of the present application;

[0014] Figure 4 It is a bearing seat structural schematic view of the present application.

[0015] In the figure, 1-long main shaft, 2-short main shaft, 3-coupling, 4-connecting swing arm, 41-first swing arm body, 42-first connecting half ring, 43-butting through hole, 44-first semicircular groove, 5-paw swing arm, 51-second swing arm body, 52-second connecting half ring, 53-second semicircular groove, 6-first rotary joint, 7-second rotary joint, 8-lower semicircular bearing seat body, 81-ear, 811-mounting hole, 82-locking screw hole, 83-positioning notch, 9-upper semicircular bearing seat body, 91-connecting through hole, 92-positioning protrusion, 10-bearing seat, 11-connecting pipe. DETAILED DESCRIPTION

[0016] To make the objects, technical solutions, and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0018] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0019] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0020] The terms "first", "second", "third", and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0021] The terms "parallel", "perpendicular", and the like do not mean that the components must be absolutely parallel or perpendicular, but can be slightly inclined. For example, "parallel" only means that its direction is more parallel relative to "perpendicular", and does not mean that the structure must be completely parallel, but can be slightly inclined.

[0022] The terms "horizontal", "vertical", "overhanging", and the like do not mean that the components must be absolutely horizontal, vertical, or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0023] In addition, the terms "approximately", "substantially", and the like are intended to indicate that the relevant content is not required to be absolutely accurate, but can have some deviation. For example, "approximately equal" does not only mean absolute equality, because in actual production and operation, it is difficult to achieve absolute "equality", and generally there is some deviation. Therefore, in addition to absolute equality, "approximately equal" also includes the above-mentioned case of having some deviation. For example, in other cases, unless otherwise specified, the terms "approximately", "substantially", and the like have similar meanings as described above.

[0024] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "provided", "installed", "connected", "connected" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Reference is made to Figures 1-4The utility model provides a technical scheme: novel dial claw synchronous shaft and bearing seat, including long main shaft 1 and short main shaft 2, long main shaft 1 and short main shaft 2 are docked through the shaft coupling 3, long main shaft 1 and short main shaft 2 all are equipped with one connecting swing arm 4 and multiple dial claw swing arms 5, wherein long main shaft 1 is equipped with four dial claw swing arms 5, and short main shaft 2 is equipped with three dial claw swing arms 5, the connecting swing arm 4 includes first swing arm body 41 and first connecting half ring 42, the one end of first swing arm body 41 is equipped with the butt joint through -hole 43, the other end is equipped with with first semicircular recess 44 butt joint first connecting half ring 42, first connecting half ring 42 is matched with first semicircular recess 44, and the inside diameter of first connecting half ring 42 and first semicircular recess 44 is same with the outside diameter of long main shaft 1 or short main shaft 2, the dial claw swing arm 5 includes second swing arm body 51 and second connecting half ring 52, the one end of second swing arm body 51 is equipped with second semicircular recess 53, second semicircular recess 53 is matched with second connecting half ring 52, and the inside diameter of second semicircular recess 53 and second connecting half ring 52 is same with the outside diameter of long main shaft 1 or short main shaft 2. The utility model will the existing semi-enclosed structure replace into full enclosed structure, when welding, double-sided heating, effectively reduce the amount of deformation of main shaft due to heating in the welding process, avoid the appearance of large amplitude shaking when working, improve the service life of main shaft simultaneously.

[0026] Preferably, the material of long main shaft 1 and short main shaft 2 is Q346 φ180x35 seamless steel tube. Replacing the original solid round steel with seamless steel tube can not only save material cost, but also facilitate the installation of water cooling device.

[0027] Preferably, the one end of long main shaft 1 away from the shaft coupling 3 is provided with a first rotary joint 6, and the one end of long main shaft 1 close to the shaft coupling 3 is provided with a first joint. The first rotary joint 6 is connected with a water inlet pipe. The one end of short main shaft 2 away from the shaft coupling 3 is provided with a second rotary joint 7, and the one end of short main shaft 2 close to the shaft coupling 3 is provided with a second joint. The second rotary joint 7 is connected with a water outlet pipe. A connecting pipe 11 is arranged between the first joint and the second joint.

[0028] A bearing seat comprises a lower semicircular bearing seat body 8 and an upper semicircular bearing seat body 9. The lower end of the lower semicircular bearing seat body 8 is provided with a supporting lug 81. The upper end of the lower semicircular bearing seat body 8 is provided with locking screw holes 82 on both sides. The supporting lug 81 is provided with a mounting hole 811 for fixation. The upper semicircular bearing seat body 9 is provided with connecting through holes 91 on both sides corresponding to the locking screw holes 82. The lower semicircular bearing seat body 8 and the upper semicircular bearing seat body 9 are fixedly connected by bolts passing through the connecting through holes 91 and the locking screw holes 82. The change from integral type to split type makes the installation of the synchronous shaft more convenient and fast, and facilitates maintenance and improves the convenience in use.

[0029] The lower half circular bearing seat body 8 is preferably provided with a positioning notch 83 at the inner side of the upper end of the half circle, and the lower end of the upper half circular bearing seat body 9 is provided with a positioning protrusion 92 matched with the positioning notch 83. The positioning is facilitated, the connection is more compact when matched, and the locking bearing is more firm.

[0030] The above is only the preferred embodiment of the present application, and it should be understood that the present application is not limited to the form disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein by the above teaching or related technical or knowledge. Any modification and change made by the person skilled in the art without departing from the technical and scope of the present application shall be within the protection scope of the claims attached to the present application.

Claims

1. A new type of pawl synchronous shaft, characterized by: The application relates to a long main shaft and a short main shaft which are connected through a shaft coupling, and the long main shaft and the short main shaft are provided with a connecting swing arm and a plurality of pawl swing arms, wherein the long main shaft is provided with four pawl swing arms, and the short main shaft is provided with three pawl swing arms; the connecting swing arm comprises a first swing arm body and a first connecting half ring, one end of the first swing arm body is provided with a butt joint through hole, the other end is provided with a first semicircular groove which is butt jointed with the first connecting half ring, the first connecting half ring is matched with the first semicircular groove, and the inner diameter of the first connecting half ring and the first semicircular groove is the same as the outer diameter of the long main shaft or the short main shaft; the pawl swing arm comprises a second swing arm body and a second connecting half ring, one end of the second swing arm body is provided with a second semicircular groove, the second semicircular groove is matched with the second connecting half ring, and the inner diameter of the second semicircular groove and the second connecting half ring is the same as the outer diameter of the long main shaft or the short main shaft.

2. The novel dialing dog synchronous shaft according to claim 1, characterized in that: The material of the long main shaft and the short main shaft is Q346 phi 180*35 seamless steel pipe.

3. The new style dialing paw synchronous shaft according to claim 2, characterized in that: The long main shaft is provided with a first rotary joint at one end away from the shaft coupling, and is provided with a first joint at one end close to the shaft coupling; the first rotary joint is connected with a water inlet pipe; the short main shaft is provided with a second rotary joint at one end away from the shaft coupling, and is provided with a second joint at one end close to the shaft coupling; the second rotary joint is connected with a water outlet pipe; and a connecting pipe is arranged between the first joint and the second joint.

4. A bearing seat, characterized by: The application relates to a lower semicircular bearing seat body and an upper semicircular bearing seat body, the lower end of the lower semicircular bearing seat body is provided with a supporting lug, the upper end of the lower semicircular bearing seat body is provided with locking screw holes on both sides, the supporting lug is provided with a mounting hole for fixation, the upper semicircular bearing seat body is provided with connecting through holes on both sides corresponding to the locking screw holes, and the lower semicircular bearing seat body and the upper semicircular bearing seat body are fixedly connected through the cooperation of bolts passing through the connecting through holes and the locking screw holes.

5. The bearing seat of claim 4, wherein: The upper end of the lower semicircular bearing seat body is provided with a positioning notch on the inner side of the semicircle, and the lower end of the upper semicircular bearing seat body is provided with a positioning protrusion matched with the positioning notch.

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