CN202963116U - Structural steel straightening roll quick alignment locking device - Google Patents

Abstract

The utility model relates to a fast alignment and locking device for section steel straightening rollers, which comprises a straightening roller, a drive shaft arranged on a transmission side bearing seat and matched with one end of the straightening roller, and a transmission shaft arranged on an operation side bearing seat and connected with the straightening roller. The driven shaft matched with the other end of the roller. A pull rod is arranged at the center of the drive shaft. The pull rod passes through the straightening roller and the driven shaft to connect with the hydraulic locking device. Wedge fit connection, the utility model is a fast alignment and locking device for section steel straightening rollers. The oil supply pressure can reduce the requirement of the rated working pressure of the hydraulic equipment, reduce the processing and manufacturing cost and production cost of the straightening machine equipment.

Description

A Quick Alignment and Locking Device for Section Steel Straightening Rolls

technical field

The utility model belongs to metal processing technology, in particular to a fast alignment and locking device for section steel straightening rollers.

Background technique

Structurally, section steel straightening machines can be divided into two types: cantilever structure and gantry type. The gantry type structure is generally adopted for straightening large-size profiles. The actual production has affected the production rhythm and reduced work efficiency; in recent years, the domestic advanced gantry-type steel straightening machines have been designed and manufactured by foreign companies. The machine is different, relying on the friction between the transmission shaft and the straightening roller cone to transmit the torque. For the production of large-scale steel, the required straightening force is very large, so the hydraulic system locking device is required to provide a large The locking force, the oil supply pressure of the locking device is as high as 70 MPa. In this case, the rated working pressure of hydraulic system equipment such as pumps, valves, seals and pipe fittings is very high. During use, hydraulic pressure The loss of system equipment is quite large, so that the processing and manufacturing costs and production costs of the entire straightening machine equipment are relatively high.

Contents of the invention

In view of this, the purpose of this utility model is to provide a fast alignment and locking device for section steel straightening rollers. The oil supply pressure of the hydraulic system in the straightening machine can achieve the purpose of reducing the rated working pressure of the hydraulic equipment and reducing the processing and manufacturing costs and production costs of the straightening machine equipment.

In order to solve the above-mentioned technical problems, a fast alignment and locking device for section steel straightening rollers of the utility model includes a straightening roller, a transmission shaft arranged on the transmission side bearing seat and matched with one end of the straightening roller, and a transmission shaft arranged on the operation side bearing seat The driven shaft on the top and matched with the other end of the straightening roller. A pull rod is arranged at the center of the drive shaft. The pull rod passes through the straightening roller and the driven shaft to connect with the hydraulic locking device. The drive shaft is connected to the straightening The rollers are connected by wedge fit.

Further, the end face of the transmission shaft is provided with a wedge ring I whose center line is coaxial with the drive shaft, and the end face where the straightening roller cooperates with the drive shaft is provided with a wedge ring II whose center line is coaxial with the straightening shaft , the oblique wedge eye ring I is engaged with the oblique wedge eye ring II.

Further, the driven shaft is connected to the straightening roller through wedge fit.

Further, the end face of the driven shaft is provided with a wedge ring IV whose center line is coaxial with the driven shaft, and the end face where the straightening roller cooperates with the driven shaft is provided with a wedge whose center line is coaxial with the straightening shaft Annulus III, the oblique wedge annular ring IV is engaged with the oblique wedge annular ring III.

Further, the cam rings I, II, III and IV are all tightly connected to the transmission shaft, the driven shaft and the straightening roller through countersunk bolts.

Further, the cam ring IV is provided with a circular platform II whose centerline is coaxial with the driven shaft, and the cam ring III is provided with a taper hole II matching the circular platform II.

Further, a round table I whose center line is coaxial with the transmission shaft is arranged in the wedge ring I, a taper hole I matched with the round table I is arranged in the wedge ring II, and the pull rod is arranged on the drive shaft. At the center of the axis circular platform Ⅰ.

The beneficial effects of the utility model are:

1. The fast alignment and locking device of the type steel straightening roller of the utility model replaces the original conical surface connection by setting the oblique wedge fit connection, which can reduce the oil supply pressure of the hydraulic system in the gantry type steel straightening machine during use, and achieve a reduction The requirements for the rated working pressure of hydraulic equipment, the purpose of reducing the processing and manufacturing costs and production costs of straightening machine equipment;

2. The utility model steel straightening roller quick alignment and locking device adopts the circular table and conical guide structure and the tie rod structure through the connection end surface. The structure is simple, the operation of changing the roller is convenient, and the time is short. The replacement time of straight rollers is shortened from one day to 20 minutes, which greatly saves the time of roller replacement, improves the operation rate of the equipment, and improves the production efficiency. The hydraulic locking device is used for locking, which is safe, stable and reliable, and easy to maintain.

Description of drawings

Fig. 1 is the structure schematic diagram of fast alignment and locking device of type steel straightening roller of the present invention;

Fig. 2 is a schematic diagram of the structure of the utility model steel straightening roller when quickly aligning and locking the device for changing rollers;

Fig. 3 is an exploded view of the joint connection between the transmission shaft and the straightening roller in the quick alignment and locking device of the type steel straightening roller of the utility model.

Reference signs: 1-drive side bearing housing; 2-transmission shaft; 3-wedge eye ring I; 4-wedge eye ring II; 5-tie rod; 6-straightening roller; 7-wedge eye ring III; 8- wedge ring IV; 9- driven shaft; 10- bearing seat on the operating side; 11- hydraulic locking device.

Detailed ways

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail:

Embodiment one

As shown in Figure 1, it is a schematic structural diagram of the utility model steel straightening roller fast alignment locking device; Figure 2 is a structural diagram of the utility model steel straightening roller quick alignment locking device when changing rolls; Figure 3 is An exploded view of the joint connection between the transmission shaft and the straightening roller in the fast alignment and locking device of the utility model steel straightening roller. A fast alignment and locking device for section steel straightening rollers of the utility model includes a straightening roller 6, a drive shaft 2 arranged on the transmission side bearing seat 1 and matched with one end of the straightening roller 6, and a transmission shaft 2 arranged on the operation side bearing seat 10 And the driven shaft 9 matched with the other end of the straightening roller 6, the center of the transmission shaft 2 is provided with a pull rod 5, and the pull rod 5 passes through the straightening roller 6 and the driven shaft 9 to connect with the hydraulic locking device 11, The driven shaft 9 is connected with a hydraulic locking device 11, and the transmission shaft 2 and the straightening roller 6 are connected through a wedge fit. In this embodiment, a wedge is set between the transmission shaft 2 and the straightening roller 6. The mating connection replaces the original conical connection. Since the conical connection between the transmission shaft 2 and the straightening roller 6 mainly relies on friction to transmit torque, the direction of the main force is perpendicular to the direction of the transmission shaft 2 and parallel to the direction of the transmission shaft 2. , during use, the hydraulic locking device 11 connected to the driven shaft 9 needs to provide greater pressure, so that the oil supply pressure of the hydraulic system can reach 70MPa, and the direction of the main force of the wedge connection in the transmission torque process is vertical In the direction of the transmission shaft 2, the pressure provided by the hydraulic locking device 11 is required to be relatively reduced during use, reducing the load of the hydraulic locking device 11, thereby reducing the requirements for the rated working pressure of the hydraulic equipment and reducing the processing and manufacturing of the entire straightening machine equipment. costs and production costs.

Further, the end surface of the transmission shaft 2 is provided with a wedge ring I3 whose center line is coaxial with the transmission shaft 2, and the end surface where the straightening roller 6 cooperates with the transmission shaft 2 is provided with a ring I3 whose center line is coaxial with the straightening shaft 6. The wedge ring II4, the wedge ring I3 is meshed with the wedge ring II4, and the wedge rings I3 and II4 include a circular body and uniformly arranged wedge blocks on the circular body. During the process, the wedge blocks on the wedge ring I3 and the wedge ring II4 are staggered and correspondingly arranged for meshing and matching connection.

Further, the driven shaft 9 and the straightening roller 6 are connected through a wedge fit, preferably, the end surface of the driven shaft 9 is provided with a wedge ring IV 8 whose center line is coaxial with the driven shaft 9, and the straightening The end face of the straight roller 6 matched with the driven shaft 9 is provided with a wedge eye ring III7 whose center line is coaxial with the straightening shaft 6, and the wedge eye ring IV8 is meshed with the wedge eye ring III7. Annular rings III7 and IV8 both include a circular body and evenly arranged oblique wedges on the annular body. During the assembly process, the oblique wedges on the oblique wedge annular ring III7 and IV8 are staggered and correspondingly arranged for meshing fit. connect.

Further, preferably, the wedge eyelets I3, II4, III7, and IV8 are all tightly connected to the drive shaft 2, the driven shaft 9, and the straightening roller 6 through countersunk bolts. During use, the wedge eyelets Ⅰ3, Ⅱ4, Ⅲ7 or Ⅳ8 wear defective, can be replaced, thereby improving the utilization rate of the drive shaft 2 and the straightening roller 6.

Further, the wedge hole ring IV8 is provided with a circular platform II whose center line is coaxial with the driven shaft 9, and the wedge hole ring III7 is provided with a taper hole II that matches the circular platform II; during the installation process , can be aligned with the taper hole II through the round table II first, and then installed. Using the guiding effect of the round table II and the taper hole II structure, the driven shaft 2 and the straightening roller 6 can be quickly aligned, which is conducive to quick installation.

Further, the wedge hole ring I3 is provided with a round platform I whose center line is coaxial with the transmission shaft 2, the wedge hole ring II4 is provided with a tapered hole I matching the round platform I, and the tie rod 5 is set At the center of the circular table I of the transmission shaft 2, during the installation process, the circular table II can be aligned with the tapered hole II first, and then the installation is carried out. Using the guiding effect of the circular table I and the tapered hole I structure, the transmission shaft 2 and the straightening roller 6 It can be centered quickly, which is conducive to fast installation.

When disassembling the straightening roller 6, hang the straightening roller 6 with a sling, release the connection between the hydraulic locking device 11 and the pull rod 5, remove the operation side bearing seat 10 and the driven shaft 9, and replace the straightening roller 6 Hang away. When installing the straightening roller 6, hoist the new straightening roller 6 into the designated height position, insert it from the pull rod 5 and get close to the drive shaft 2, and then move the bearing seat 10 on the operation side to make it slowly approach the straightening roller 6 and The driving shaft 2 is connected with the straightening roller 6 and the driven shaft 9 is connected with the straightening roller 6. At this time, the oblique wedge eye ring II4 on the end surface of the straightening roller 6 and the oblique wedge eye ring I3 on the end surface of the transmission shaft 2 mesh with each other. The oblique wedge ring III7 on the end surface of the straightening roller 6 meshes with the oblique wedge ring IV8 on the end surface of the driven shaft 9. After the bearing seat 10 on the operating side is moved to the working position, the hydraulic locking device 11 is used to lock the pull rod 5. Tightening force can make transmission shaft 2 and driven shaft 9 produce pressing force to straightening roller 6 simultaneously, and transmission shaft 2, pull bar 5, straightening roller 6, driven shaft 9 and hydraulic locking device 11 are connected to form one.

Embodiment two

The difference between this embodiment and Embodiment 1 is that: in this embodiment, the driven shaft 9 and the straightening roller 6 are connected through a tapered surface, and in this embodiment, a wedge fit is set between the drive shaft 2 and the straightening roller 6 Connection, the driven shaft 9 and the straightening roller 6 are connected through a tapered surface to reduce the oil supply pressure of the hydraulic system, reduce the consumption of the wedge ring, and reduce the time for changing the roller.

The other structures of this embodiment are the same as those of the first embodiment, and will not be repeated one by one.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described with reference to the preferred embodiment of the utility model, those of ordinary skill in the art should understand that, Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (7)

1. beam straightening roller quick aligning locking device, comprise smoothing roll, be arranged on the transmission side bearing block and the power transmission shaft that coordinates with smoothing roll one end, be arranged on the fore side bearing block and the driven shaft that coordinates with the smoothing roll other end, described center transmission shaft place is provided with pull bar, described pull bar passes smoothing roll and is connected with hydraulic locking apparatus with driven shaft, it is characterized in that: be connected by wedge between described power transmission shaft and smoothing roll.

2. beam straightening roller quick aligning locking device as claimed in claim 1, it is characterized in that: be provided with the center line wedge orifice ring I coaxial with power transmission shaft on described transmission shaft end surface, be provided with the center line wedge orifice ring II coaxial with straightening shaft on smoothing roll and end face that power transmission shaft coordinates, described wedge orifice ring I and wedge orifice ring II are connected with a joggle.

3. beam straightening roller quick aligning locking device as claimed in claim 2, is characterized in that: be connected by wedge between described driven shaft and smoothing roll.

4. beam straightening roller quick aligning locking device as claimed in claim 3, it is characterized in that: be provided with the center line wedge orifice ring IV coaxial with driven shaft on described driven shaft end face, be provided with the center line wedge orifice ring III coaxial with straightening shaft on smoothing roll and end face that driven shaft coordinates, described wedge orifice ring IV and wedge orifice ring III are connected with a joggle.

5. beam straightening roller quick aligning locking device as claimed in claim 4, it is characterized in that: described wedge orifice ring I, II, III and IV all are fastenedly connected with power transmission shaft, driven shaft and smoothing roll respectively by dormant bolt.

6. beam straightening roller quick aligning locking device as described in claim 4 or 5, is characterized in that: be provided with the center line round platform II coaxial with driven shaft in described wedge orifice ring IV, be provided with the taper hole II that coordinates with described round platform II in described wedge orifice ring III.

7. beam straightening roller quick aligning locking device as described in claim 2～5 any one, it is characterized in that: be provided with the center line round platform I coaxial with power transmission shaft in described wedge orifice ring I, be provided with the taper hole I that coordinates with described round platform I in described wedge orifice ring II, described pull bar is arranged on power transmission shaft round platform I center.

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