CN201120557Y

CN201120557Y - Clamper for thread repair for oil cylinder adjusting bolt

Info

Publication number: CN201120557Y
Application number: CN 200720158791
Authority: CN
Inventors: 于龙春; 聂云亭
Original assignee: Qingdao Port Group Co Ltd
Current assignee: Qingdao Port Group Co Ltd
Priority date: 2007-12-11
Filing date: 2007-12-11
Publication date: 2008-09-24
Anticipated expiration: 2017-12-11

Abstract

The utility model discloses a jig used for an oil cylinder adjusting bolt for repairing the thread, which overcomes the defects that the lead screw part of the oil cylinder adjusting bolt can not be accurately rehabilitated after thread slipping or breakage after using or repairing the current oil cylinder, the oil cylinder adjusting bolt or even the oil cylinder becomes useless, and the repairing cost is increased, and a positioning pin that can cover a hole on an orifice plate of the oil cylinder adjusting bolt and make the lead screw central line of the oil cylinder adjusting bolt be concentric with the central line of a disc is mounted on the side elevation of the disc that can be clamped on a cam-ring chuck of a lathe. After the oil cylinder adjusting bolt with the lead screw requiring repairing is arranged on the jig, the adjusting bolt is directly clamped on the cam-ring chuck of a common lathe for repairing the screw thread by the lathe, and if the thread end of an individual oil cylinder adjusting bolt is damaged seriously, the adjusting bolt can be welded up firstly and then a new thread is reprocessed on the lathe by the jig for rehabilitating. Using the jig to repair the screw thread of the oil cylinder adjusting bolt has advantages of simple operation, high repairing efficiency, reliable quality and great maintenance cost saving.

Description

Oil cylinder is adjusted bolt and is repaiied the silk anchor clamps

Technical field

The utility model belongs to anchor clamps, and specifically a kind of being installed in repaiied bolt screw thread special fixture on the lathe.

Background technology

The used loading mechanization of port and pier container land operation mostly is large-scale, and the large-scale hydraulic jack of many employings that stretches, hoists of loading mechanization landing arm is finished.The oil cylinder that is equipped with on the described hydraulic jack is as shown in Figure 1 and Figure 2 adjusted bolt, is in the screw hole of oil cylinder a one termination, and the oil cylinder that is screwed with an end band flat orifice plate 1.2, an end band screw mandrel 1.1 is adjusted bolt 1.Using or keeping in repair in the process of oil cylinder; stripped thread or fracture of wire phenomenon appear in the screw mandrel 1.1 that runs into oil cylinder upper cylinder adjustment bolt 1 through regular meeting; causing oil cylinder to adjust bolt 1 is not in the screw hole of turning round less than oil cylinder; just do not tear open not get off after turning round exactly; the screw mandrel 1.1 that damages is screwed in the screw hole, might cause with oil cylinder and scrap together.

Because the parts on the oil cylinder a are all very big, the screw mandrel 1.1 that oil cylinder is adjusted on the bolt 1 is also very thick, if just changing behind stripped thread or the fracture of wire appears in screw mandrel 1.1, can increase a lot of repair costs, at present, the modes of repairing screw thread on the screw mandrel 1.1 that adopt make oil cylinder adjust bolt 1 and continue to use more.Because it is tabular that oil cylinder is adjusted on the bolt 1 end relative with screw mandrel 1.1, therefore can't directly clamps accurately and repair with the chuck of engine lathe.Present processing method is simply to repair damaging lighter screw mandrel 1.1 usefulness hand files, the requirement that does not often reach the standard silk after manual the repairing, repair the bad oil cylinder that also can cause and adjust scrapping of bolt 1 even oil cylinder a, so just increased the use cost of oil cylinder a greatly.

The utility model content

Technical problem to be solved in the utility model is, overcome the prior art oil cylinder after using or repairing, can't accurately repair behind the screw mandrel part stripped thread of oil cylinder adjustment bolt or the fracture of wire, cause oil cylinder to adjust scrapping of bolt even oil cylinder, the shortcoming that repair cost is increased provides a kind of oil cylinder to adjust bolt and repaiies the silk anchor clamps.

In order to solve the problems referred to above that prior art exists, the utility model is to adopt following technical proposals to realize: on the disk side facade that can be clamped on the lathe scroll chuck, the orifice bore that oil cylinder can be adjusted bolt is installed puts and make oil cylinder to adjust the screw mandrel center line alignment pin concentric with the disc centre line of bolt, the upper end of alignment pin has to compress uses bolt.

The utility model also has following technical characterictic:

The installation of described alignment pin, be on described disk side facade, angle block of right angle to be installed, the gripper shoe that its plate face and disc centre line parallel are arranged on the angle block of right angle, alignment pin are vertically fixed on the plate face of gripper shoe, and the extended line of the center line of alignment pin and disc centre line intersects;

Be positioned at the both sides of disc centre line on described gripper shoe, be provided with relatively and adjust the ear frame, two described alignment pins of gib screw subtend are screwed in the horizontal screw hole of adjusting on the ear frame;

On described disk, be positioned at the relative side of angle block of right angle, be fixed with the balancing weight that matches with angle block of right angle.

During use, described disk is clipped on the scroll chuck of engine lathe, the borehole jack on the orifice plate of oil cylinder oil cylinder adjustment bolt is compressed on the alignment pin on the angle block of right angle, screw mandrel one end of adjusting bolt at the oil cylinder oil cylinder holds out against with the lathe thimble.Like this, just can repair silk by lathe has processed.

Advantage of the present utility model and good effect are, because after described anchor clamps are installed and are needed to repair the oil cylinder oil cylinder adjustment bolt of screw mandrel, can directly be clipped on the scroll chuck of engine lathe and repair screw thread with lathe, compared with coming the precision height with the simple repairing of hand file, repairing efficient height, and it is bad serious that indivedual oil cylinders are adjusted bolt silk damaged on end, can also carry out repair welding earlier, on lathe, processing silk again, repair sth. old and make it as good as new then by these anchor clamps.Use the screw thread of described anchor clamps repairing hydro-cylinder adjustment bolt simple to operate, quick, reliable in quality can be saved a large sum of maintenance cost.

Description of drawings

Fig. 1 looks schematic diagram for the master that oil cylinder adjustment bolt is installed on the oil cylinder;

Fig. 2 is the schematic top plan view of Fig. 1;

Fig. 3 adjusts the structural representation that bolt is repaiied an anchor clamps for oil cylinder;

Fig. 4 is the schematic top plan view of Fig. 3.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1, Fig. 2 are the structural representation of existing oil cylinder a external end head, and in the screw hole of oil cylinder a cylinder body left end head, the oil cylinder that is screwed with left end band flat orifice plate 1.2, right-hand member band screw mandrel 1.1 is adjusted bolt 1.

Among Fig. 3, Fig. 4, on the side elevation that can be clamped in the disk 7 on the lathe scroll chuck 4, be installed with angle block of right angle 2, angle block of right angle 2 is made up of gripper shoe 2.1 and perpendicular base plate 2.2, base plate 2.2 is fixed by bolts on the disk 7, after angle block of right angle 2 was fixed on disk 7 side elevations, the plate face of gripper shoe 2.1 was parallel with the center line of disk 7; On gripper shoe 2.1, be fixed with alignment pin 5 perpendicular to gripper shoe 2.1, the extended line of the center line of alignment pin 5 and disk 7 center lines intersects, hole on the orifice plate 1.2 of alignment pin 5 and oil cylinder adjustment bolt 1 (referring to Fig. 1, Fig. 2) adapts, and the upper end of alignment pin 5 has the bolt 5.1 that nutting compresses orifice plate 1.2 usefulness.

When oil cylinder adjustment bolt 1 is installed, oil cylinder is adjusted borehole jack on bolt 1 orifice plate 1.2 on alignment pin 5, adjust oil cylinder and adjust bolt 1, the center line that makes screw mandrel 1.1 and disk is on same center line, be pressed on the orifice plate 1.2 with pressing plate 6, with nut be screwed in hold-down bolt 5.1 above compress, withstand on the central point that oil cylinder is adjusted bolt 1 screw mandrel 1.1 terminations with the back center of lathe then, can on lathe, repair screw thread.

The screw mandrel 1.1 of adjusting bolt 1 for restoring oil cylinder is more accurate, it is easier that the levelling oil cylinder is adjusted bolt 1, make the center line of screw mandrel 1.1 consistent with disk 7 center lines and lathe spindle center line, on described gripper shoe 2.1, be positioned at the both sides of disk 7 center lines, be provided with relatively and adjust ear frame 2.11, alignment pin 5 on the gib screw 8 subtend gripper shoes 2.1, be screwed in and adjust in the horizontal screw hole corresponding on the ear frame 2.11, turn gib screw 8, can finely tune and clamp screw mandrel 1.1 center lines that oil cylinder is adjusted bolt 1.

In order when repairing thread, to prevent the imbalance of lathe scroll chuck 4 rotations, on described disk 7, be positioned at the relative side of angle block of right angle 2, be fixed with the balancing weight 3 that matches with angle block of right angle 2.

Claims

1, a kind of oil cylinder is adjusted bolt and is repaiied the silk anchor clamps, it is characterized in that: on the disk side facade that can be clamped on the lathe scroll chuck, the orifice bore that oil cylinder can be adjusted bolt is installed puts and make oil cylinder to adjust the screw mandrel center line alignment pin concentric with the disc centre line of bolt, the upper end of alignment pin has to compress uses bolt.

2, oil cylinder as claimed in claim 1 is adjusted bolt and is repaiied the silk anchor clamps, it is characterized in that: the installation of described alignment pin, be on described disk side facade, angle block of right angle to be installed, the gripper shoe that its plate face and disc centre line parallel are arranged on the angle block of right angle, alignment pin is vertically fixed on the plate face of gripper shoe, and the extended line of the center line of alignment pin and disc centre line intersects.

3, oil cylinder as claimed in claim 2 is adjusted bolt and is repaiied the silk anchor clamps, it is characterized in that: the both sides that on described gripper shoe, are positioned at the disc centre line, be provided with relatively and adjust the ear frame, two described alignment pins of gib screw subtend are screwed in the horizontal screw hole of adjusting on the ear frame.

4, repair silk and use anchor clamps as claim 1,2 or 3 described oil cylinders adjustment bolts, it is characterized in that: on described disk, be positioned at the relative side of angle block of right angle, be fixed with the balancing weight that matches with angle block of right angle.