CN217616839U

CN217616839U - Promote universal joint axle operating stability device

Info

Publication number: CN217616839U
Application number: CN202221634656.5U
Authority: CN
Inventors: 刘宝安
Original assignee: Fushun New Steel Co ltd
Current assignee: Fushun New Steel Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-10-21
Anticipated expiration: 2032-06-27

Abstract

The utility model provides a promote universal spindle operating stability device, include: the device comprises four pull rods, a bracket bottom plate and a shock absorption device, wherein the bracket bottom plate is arranged above a universal spindle bracket, the bottoms of the four pull rods are connected with a rolling mill spindle slider, the upper parts of the four pull rods are connected with the bracket bottom plate, the top of each pull rod is provided with the shock absorption device, and a spring is arranged in the shock absorption device. The utility model has the advantages of the installation is dismantled and the maintenance spiale, convenient and fast, easy operation.

Description

Promote universal spindle operating stability device

Technical Field

The utility model relates to the technical field of mechanical equipment, especially, relate to a promote universal joint operation stability device.

Background

The adjustment form that rod flat rolling mill spiale bracket adopted before is for the chain to add adjusting screw, the centre-to-centre spacing of speed reducer is unchangeable, the roll diameter can diminish because of rolling wearing and tearing, different roll diameters just need the rolling mill transmission shaft to have great radial displacement compensation ability and angular displacement compensation ability, in addition in the production process shock, there is not cushioning effect because of the chain adds the adjustment mode of screw, the chain fracture often appears in the use, the condition such as adjusting screw thread damage, if not shut down in time and repair and then can cause damage to joint spindle cross bearing and bracket bearing, abnormal shutdown. In the roll changing process, the roll changing time is prolonged because the connecting shaft and the roll are not concentric.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned technical problems, an apparatus for improving the operation stability of a universal joint shaft is provided. The utility model discloses mainly utilize to inhale shake device and make through the deformation volume of control spring and go up the spiale and be in pretension state to avoid shaking the spring that leads to the spiale because of external shock. The utility model discloses a technical means as follows:

a device for improving the running stability of a universal joint shaft comprises: the universal spindle bracket comprises four pull rods, a bracket bottom plate and a shock absorption device, wherein the bracket bottom plate is arranged above the universal spindle bracket, the bottoms of the four pull rods are connected with a rolling mill spindle sliding block, the upper portions of the four pull rods are connected with the bracket bottom plate, the top of each pull rod is provided with the shock absorption device, and a spring is arranged in the shock absorption device.

Furthermore, the four pull rods are respectively in threaded connection with the rolling mill connecting shaft sliding block and the bracket bottom plate.

Furthermore, the four pull rods are respectively two long pull rods and two short pull rods, the two long pull rods are symmetrically arranged and are respectively connected with the spindle sliding blocks on the two sides of the universal spindle located below, and the two short pull rods are symmetrically arranged and are respectively connected with the spindle sliding blocks on the two sides of the universal spindle located above.

Furthermore, the bottom of the long pull rod is connected with a threaded connecting rod, and the threaded connecting rod is connected with spindle sliders on two sides of the universal spindle below.

Further, inhale shake device still includes spring clamp plate and nut, and the spring housing is established at the top of pull rod and is located the top of bracket bottom plate, and spring clamp plate sets up at the top of spring, and the upper and lower end of spring is connected with spring clamp plate and bracket bottom plate contact respectively, and the top of pull rod passes spring, the end that stretches out of spring clamp plate in proper order and connects at least one nut.

Further, the diameter of the spring is 100mm, the wire diameter is 15mm, the number of effective turns is 5, and two ends are ground flat.

Further, the material of the spring is 60Si2MnA.

Furthermore, after the pre-tightening position of the spring is adjusted, the compression amount of the spring is less than or equal to 90mm.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model provides a promote universal spindle operation stability device, the bracket takes upper and lower disconnect-type, can be to upper and lower spiale independent adjustment.

2. The utility model provides a promote universal spindle running stability device, the installation is dismantled and is maintained the spiale, convenient and fast, easy operation.

3. The utility model provides a promote universal spiale operating stability device can satisfy different rolling specification rolling mill opening degree requirements, realizes electrodeless regulation.

Based on the reason, the utility model discloses can extensively promote in fields such as rolling mill spiale bracket.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a nut; 2. a spring pressing plate; 3. a spring; 4. a bracket bottom plate; 5. a long pull rod; 6. a short pull rod; 7. a threaded connecting rod; 8. shock-absorbing means.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than 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.

As shown in FIG. 1, the utility model provides a promote universal joint axle operating stability device uses in current universal joint axle bracket. This universal spindle bracket comprises the bracket body, is provided with two vertical bracket plates on the bracket body, installs two upper and lower cross universal spindles between two bracket plates, and wherein, upper cross universal spindle both sides are connected with an upper shoe respectively, and the upper shoe in both sides links to each other with two bracket plates respectively, and lower cross universal spindle both sides are connected with an upper shoe respectively, and the slider links to each other with two bracket plates respectively down.

In order to eliminate the problems of the spindle bracket in the use process, on the basis of the original bracket, 4 pull rods are self-made to be in threaded connection with a spindle slider, a spring flexible structure is introduced, and a shock absorption device (namely a spring pre-tightening and shock absorption device) is added on the upper portion of the bracket, so that the device can enable an upper spindle and a lower spindle to be in a pre-tightening state by controlling the deformation amount of the spring, the spindle is prevented from bouncing due to external impact shock, the spindle transmission stability is improved, and the roll changing speed is increased for 2-6 minutes.

Promote universal spindle operating stability device includes: four pull rods, a bracket bottom plate 4 and a shock absorption device 8, wherein the bracket bottom plate is arranged above the universal spindle bracket (the upper parts of the two bracket plates are connected with the transverse bracket bottom plate together), the bottoms of the four pull rods are connected with a rolling mill spindle sliding block, the upper parts of the four pull rods are connected with the bracket bottom plate, the top of each pull rod is provided with the shock absorption device, and the shock absorption device is internally provided with a spring 3.

In a preferred embodiment, the four tie rods are respectively in threaded connection with the mill spindle slide and the carrier base plate.

As a preferred embodiment, the four pull rods are two long pull rods 5 and two short pull rods 6, the two long pull rods are symmetrically arranged and are respectively connected with the spindle sliders on two sides of the universal spindle located below, and the two short pull rods are symmetrically arranged and are respectively connected with the spindle sliders on two sides of the universal spindle located above.

In a preferable embodiment, a threaded connecting rod 7 is connected to the bottom of the long pull rod, and the threaded connecting rod is connected with spindle sliding blocks on two sides of the universal spindle located below.

As a preferred embodiment, the shock absorbing device further comprises a spring pressing plate 2 and a nut 1, the spring is sleeved on the top of the pull rod and located above the bracket bottom plate, the spring pressing plate is arranged on the top of the spring, the upper end and the lower end of the spring are respectively in contact connection with the spring pressing plate and the bracket bottom plate, the top of the pull rod sequentially penetrates through the spring, and the extending end of the spring pressing plate is connected with at least one nut, in this embodiment, two nuts are connected.

3. The working principle is as follows:

the shock absorption device can enable the upper connecting shaft and the lower connecting shaft to be in a pre-tightening state by controlling the deformation amount of the spring, so that the connecting shaft is prevented from bouncing due to external impact shock, the transmission stability of the connecting shaft is improved, and the roll changing speed is increased for 2-6 minutes.

4. The operation standard and the control key points are as follows:

1. the spring is made of 60Si2MnA, wherein the spring diameter is 100mm, the wire diameter is 15mm, the effective number of turns is 5, and two ends are ground flat. 2. And adjusting the pre-tightening position of the spring, wherein the compression amount is not more than 90mm.3. And (5) fastening the bolts, wherein the length of the exposed threads is more than 40mm.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a promote universal joint axle operational stability device which characterized in that includes: the universal spindle bracket comprises four pull rods, a bracket bottom plate and a shock absorption device, wherein the bracket bottom plate is arranged above the universal spindle bracket, the bottoms of the four pull rods are connected with a rolling mill spindle sliding block, the upper portions of the four pull rods are connected with the bracket bottom plate, the top of each pull rod is provided with the shock absorption device, and a spring is arranged in the shock absorption device.

2. The device for improving the running stability of the universal spindle according to claim 1, wherein the four pull rods are respectively in threaded connection with the rolling mill spindle slide block and the bracket bottom plate.

3. The device for improving the running stability of the universal spindle according to claim 1 or 2, wherein the four pull rods are two long pull rods and two short pull rods respectively, the two long pull rods are symmetrically arranged and are connected with spindle sliders on two sides of the universal spindle located below respectively, and the two short pull rods are symmetrically arranged and are connected with spindle sliders on two sides of the universal spindle located above respectively.

4. The device for improving the running stability of the universal spindle according to claim 3, wherein a threaded connecting rod is connected to the bottom of the long pull rod, and the threaded connecting rod is connected with spindle sliding blocks on two sides of the universal spindle located below the threaded connecting rod.

5. The device for improving the running stability of the universal spindle according to claim 1, wherein the shock absorbing device further comprises a spring pressing plate and a nut, the spring is sleeved on the top of the pull rod and is located above the bracket bottom plate, the spring pressing plate is arranged on the top of the spring, the upper end and the lower end of the spring are respectively in contact connection with the spring pressing plate and the bracket bottom plate, and the top of the pull rod sequentially penetrates through the spring and the extending end of the spring pressing plate to be connected with at least one nut.

6. The device for improving the running stability of the universal spindle according to claim 1 or 5, wherein the diameter of the spring is 100mm, the wire diameter is 15mm, the effective number of turns is 5, and the two ends are ground flat.

7. The device for improving the running stability of the universal joint shaft according to claim 1 or 5, wherein the material of the spring is 60Si2MnA.

8. The device for improving the running stability of the universal joint shaft according to claim 1, wherein the compression amount of the spring is less than or equal to 90mm after the pre-tightening position of the spring is adjusted.